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Performance tests, some variables missing PERF_ prefix
[mirror_zfs.git] / cmd / zdb / zdb.c
CommitLineData
34dc7c2f
BB		 1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
9ae529ec 21
34dc7c2f 22/*
428870ff 23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
c81f1790 24 * Copyright (c) 2011, 2019 by Delphix. All rights reserved.
a44e7faa 25 * Copyright (c) 2014 Integros [integros.com]
35a357a9 26 * Copyright 2016 Nexenta Systems, Inc.
34fe773e 27 * Copyright (c) 2017, 2018 Lawrence Livermore National Security, LLC.
a44e7faa 28 * Copyright (c) 2015, 2017, Intel Corporation.
f12e42cc 29 * Copyright (c) 2020 Datto Inc.
34dc7c2f
BB		 30 */
31
34dc7c2f 32#include <stdio.h>
d5869641 33#include <unistd.h>
34dc7c2f
BB		 34#include <stdlib.h>
35#include <ctype.h>
36#include <sys/zfs_context.h>
37#include <sys/spa.h>
38#include <sys/spa_impl.h>
39#include <sys/dmu.h>
40#include <sys/zap.h>
41#include <sys/fs/zfs.h>
42#include <sys/zfs_znode.h>
428870ff
BB		 43#include <sys/zfs_sa.h>
44#include <sys/sa.h>
45#include <sys/sa_impl.h>
34dc7c2f
BB		 46#include <sys/vdev.h>
47#include <sys/vdev_impl.h>
48#include <sys/metaslab_impl.h>
49#include <sys/dmu_objset.h>
50#include <sys/dsl_dir.h>
51#include <sys/dsl_dataset.h>
52#include <sys/dsl_pool.h>
30af21b0 53#include <sys/dsl_bookmark.h>
34dc7c2f
BB		 54#include <sys/dbuf.h>
55#include <sys/zil.h>
56#include <sys/zil_impl.h>
57#include <sys/stat.h>
58#include <sys/resource.h>
30af21b0 59#include <sys/dmu_send.h>
34dc7c2f
BB		 60#include <sys/dmu_traverse.h>
61#include <sys/zio_checksum.h>
62#include <sys/zio_compress.h>
63#include <sys/zfs_fuid.h>
b128c09f 64#include <sys/arc.h>
428870ff 65#include <sys/ddt.h>
9ae529ec 66#include <sys/zfeature.h>
a6255b7f 67#include <sys/abd.h>
a896468c 68#include <sys/blkptr.h>
b5256303 69#include <sys/dsl_crypt.h>
0aa5916a 70#include <sys/dsl_scan.h>
6f1ffb06 71#include <zfs_comutil.h>
e89f1295
DB		 72
73#include <libnvpair.h>
74#include <libzutil.h>
34dc7c2f 75
867959b5
BB		 76#include "zdb.h"
77
e6f7d015
CS		 78#define ZDB_COMPRESS_NAME(idx) ((idx) < ZIO_COMPRESS_FUNCTIONS ? \
79 zio_compress_table[(idx)].ci_name : "UNKNOWN")
80#define ZDB_CHECKSUM_NAME(idx) ((idx) < ZIO_CHECKSUM_FUNCTIONS ? \
81 zio_checksum_table[(idx)].ci_name : "UNKNOWN")
e6f7d015 82#define ZDB_OT_TYPE(idx) ((idx) < DMU_OT_NUMTYPES ? (idx) : \
a1d477c2
MA		 83 (idx) == DMU_OTN_ZAP_DATA || (idx) == DMU_OTN_ZAP_METADATA ? \
84 DMU_OT_ZAP_OTHER : \
85 (idx) == DMU_OTN_UINT64_DATA || (idx) == DMU_OTN_UINT64_METADATA ? \
86 DMU_OT_UINT64_OTHER : DMU_OT_NUMTYPES)
428870ff 87
f3c9cac1
BB		 88static char *
89zdb_ot_name(dmu_object_type_t type)
90{
91 if (type < DMU_OT_NUMTYPES)
92 return (dmu_ot[type].ot_name);
93 else if ((type & DMU_OT_NEWTYPE) &&
02730c33 94 ((type & DMU_OT_BYTESWAP_MASK) < DMU_BSWAP_NUMFUNCS))
f3c9cac1
BB		 95 return (dmu_ot_byteswap[type & DMU_OT_BYTESWAP_MASK].ob_name);
96 else
97 return ("UNKNOWN");
98}
99
d69a321e 100extern int reference_tracking_enable;
428870ff 101extern int zfs_recover;
0ec07248 102extern uint64_t zfs_arc_max, zfs_arc_meta_limit;
e5fd1dd6 103extern int zfs_vdev_async_read_max_active;
afd2f7b7 104extern boolean_t spa_load_verify_dryrun;
64bdf63f 105extern int zfs_reconstruct_indirect_combinations_max;
ca577779 106extern int zfs_btree_verify_intensity;
428870ff 107
867959b5 108static const char cmdname[] = "zdb";
34dc7c2f
BB		 109uint8_t dump_opt[256];
110
111typedef void object_viewer_t(objset_t *, uint64_t, void *data, size_t size);
112
34dc7c2f 113uint64_t *zopt_object = NULL;
867959b5 114static unsigned zopt_objects = 0;
c8242a96 115uint64_t max_inflight_bytes = 256 * 1024 * 1024; /* 256MB */
64c1dcef 116static int leaked_objects = 0;
0aa5916a 117static range_tree_t *mos_refd_objs;
34dc7c2f 118
37f03da8
SH		 119static void snprintf_blkptr_compact(char *, size_t, const blkptr_t *,
120 boolean_t);
0aa5916a
MA		 121static void mos_obj_refd(uint64_t);
122static void mos_obj_refd_multiple(uint64_t);
252e1a54 123
34dc7c2f
BB		 124/*
125 * These libumem hooks provide a reasonable set of defaults for the allocator's
126 * debugging facilities.
127 */
128const char *
0bc8fd78 129_umem_debug_init(void)
34dc7c2f
BB		 130{
131 return ("default,verbose"); /* $UMEM_DEBUG setting */
132}
133
134const char *
135_umem_logging_init(void)
136{
137 return ("fail,contents"); /* $UMEM_LOGGING setting */
138}
139
140static void
141usage(void)
142{
143 (void) fprintf(stderr,
d2734cce 144 "Usage:\t%s [-AbcdDFGhikLMPsvX] [-e [-V] [-p <path> ...]] "
a44e7faa
BB		 145 "[-I <inflight I/Os>]\n"
146 "\t\t[-o <var>=<value>]... [-t <txg>] [-U <cache>] [-x <dumpdir>]\n"
f12e42cc
PZ		 147 "\t\t[<poolname>[/<dataset | objset id>] [<object> ...]]\n"
148 "\t%s [-AdiPv] [-e [-V] [-p <path> ...]] [-U <cache>]\n"
149 "\t\t[<poolname>[/<dataset | objset id>] [<object> ...]\n"
30af21b0 150 "\t%s [-v] <bookmark>\n"
a44e7faa
BB		 151 "\t%s -C [-A] [-U <cache>]\n"
152 "\t%s -l [-Aqu] <device>\n"
06675310
RY		 153 "\t%s -m [-AFLPX] [-e [-V] [-p <path> ...]] [-t <txg>] "
154 "[-U <cache>]\n\t\t<poolname> [<vdev> [<metaslab> ...]]\n"
a44e7faa 155 "\t%s -O <dataset> <path>\n"
06675310 156 "\t%s -R [-A] [-e [-V] [-p <path> ...]] [-U <cache>]\n"
a44e7faa 157 "\t\t<poolname> <vdev>:<offset>:<size>[:<flags>]\n"
a896468c 158 "\t%s -E [-A] word0:word1:...:word15\n"
06675310
RY		 159 "\t%s -S [-AP] [-e [-V] [-p <path> ...]] [-U <cache>] "
160 "<poolname>\n\n",
a44e7faa 161 cmdname, cmdname, cmdname, cmdname, cmdname, cmdname, cmdname,
30af21b0 162 cmdname, cmdname, cmdname);
428870ff
BB		 163
164 (void) fprintf(stderr, " Dataset name must include at least one "
165 "separator character '/' or '@'\n");
166 (void) fprintf(stderr, " If dataset name is specified, only that "
167 "dataset is dumped\n");
168 (void) fprintf(stderr, " If object numbers are specified, only "
169 "those objects are dumped\n\n");
170 (void) fprintf(stderr, " Options to control amount of output:\n");
428870ff 171 (void) fprintf(stderr, " -b block statistics\n");
428870ff 172 (void) fprintf(stderr, " -c checksum all metadata (twice for "
9babb374 173 "all data) blocks\n");
a44e7faa
BB		 174 (void) fprintf(stderr, " -C config (or cachefile if alone)\n");
175 (void) fprintf(stderr, " -d dataset(s)\n");
428870ff 176 (void) fprintf(stderr, " -D dedup statistics\n");
a896468c
MA		 177 (void) fprintf(stderr, " -E decode and display block from an "
178 "embedded block pointer\n");
a44e7faa
BB		 179 (void) fprintf(stderr, " -h pool history\n");
180 (void) fprintf(stderr, " -i intent logs\n");
35a357a9 181 (void) fprintf(stderr, " -l read label contents\n");
d2734cce
SD		 182 (void) fprintf(stderr, " -k examine the checkpointed state "
183 "of the pool\n");
fb5f0bc8
BB		 184 (void) fprintf(stderr, " -L disable leak tracking (do not "
185 "load spacemaps)\n");
a44e7faa
BB		 186 (void) fprintf(stderr, " -m metaslabs\n");
187 (void) fprintf(stderr, " -M metaslab groups\n");
188 (void) fprintf(stderr, " -O perform object lookups by path\n");
34dc7c2f 189 (void) fprintf(stderr, " -R read and display block from a "
a44e7faa
BB		 190 "device\n");
191 (void) fprintf(stderr, " -s report stats on zdb's I/O\n");
192 (void) fprintf(stderr, " -S simulate dedup to measure effect\n");
193 (void) fprintf(stderr, " -v verbose (applies to all "
194 "others)\n\n");
428870ff 195 (void) fprintf(stderr, " Below options are intended for use "
9867e8be 196 "with other options:\n");
428870ff
BB		 197 (void) fprintf(stderr, " -A ignore assertions (-A), enable "
198 "panic recovery (-AA) or both (-AAA)\n");
428870ff
BB		 199 (void) fprintf(stderr, " -e pool is exported/destroyed/"
200 "has altroot/not in a cachefile\n");
a44e7faa
BB		 201 (void) fprintf(stderr, " -F attempt automatic rewind within "
202 "safe range of transaction groups\n");
fa603f82
GM		 203 (void) fprintf(stderr, " -G dump zfs_dbgmsg buffer before "
204 "exiting\n");
a44e7faa
BB		 205 (void) fprintf(stderr, " -I <number of inflight I/Os> -- "
206 "specify the maximum number of\n "
207 "checksumming I/Os [default is 200]\n");
ed828c0c 208 (void) fprintf(stderr, " -o <variable>=<value> set global "
a44e7faa
BB		 209 "variable to an unsigned 32-bit integer\n");
210 (void) fprintf(stderr, " -p <path> -- use one or more with "
211 "-e to specify path to vdev dir\n");
212 (void) fprintf(stderr, " -P print numbers in parseable form\n");
35a357a9 213 (void) fprintf(stderr, " -q don't print label contents\n");
a44e7faa
BB		 214 (void) fprintf(stderr, " -t <txg> -- highest txg to use when "
215 "searching for uberblocks\n");
35a357a9 216 (void) fprintf(stderr, " -u uberblock\n");
a44e7faa
BB		 217 (void) fprintf(stderr, " -U <cachefile_path> -- use alternate "
218 "cachefile\n");
06675310 219 (void) fprintf(stderr, " -V do verbatim import\n");
a44e7faa
BB		 220 (void) fprintf(stderr, " -x <dumpdir> -- "
221 "dump all read blocks into specified directory\n");
222 (void) fprintf(stderr, " -X attempt extreme rewind (does not "
223 "work with dataset)\n");
64bdf63f
BB		 224 (void) fprintf(stderr, " -Y attempt all reconstruction "
225 "combinations for split blocks\n");
34dc7c2f
BB		 226 (void) fprintf(stderr, "Specify an option more than once (e.g. -bb) "
227 "to make only that option verbose\n");
228 (void) fprintf(stderr, "Default is to dump everything non-verbosely\n");
229 exit(1);
230}
231
fa603f82
GM		 232static void
233dump_debug_buffer(void)
234{
235 if (dump_opt['G']) {
236 (void) printf("\n");
ab4c009e 237 (void) fflush(stdout);
fa603f82
GM		 238 zfs_dbgmsg_print("zdb");
239 }
240}
241
9babb374
BB		 242/*
243 * Called for usage errors that are discovered after a call to spa_open(),
244 * dmu_bonus_hold(), or pool_match(). abort() is called for other errors.
245 */
246
34dc7c2f
BB		 247static void
248fatal(const char *fmt, ...)
249{
250 va_list ap;
251
252 va_start(ap, fmt);
253 (void) fprintf(stderr, "%s: ", cmdname);
254 (void) vfprintf(stderr, fmt, ap);
255 va_end(ap);
256 (void) fprintf(stderr, "\n");
257
fa603f82
GM		 258 dump_debug_buffer();
259
9babb374 260 exit(1);
34dc7c2f
BB		 261}
262
34dc7c2f
BB		 263/* ARGSUSED */
264static void
265dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size)
266{
267 nvlist_t *nv;
268 size_t nvsize = *(uint64_t *)data;
269 char *packed = umem_alloc(nvsize, UMEM_NOFAIL);
270
9babb374 271 VERIFY(0 == dmu_read(os, object, 0, nvsize, packed, DMU_READ_PREFETCH));
34dc7c2f
BB		 272
273 VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0);
274
275 umem_free(packed, nvsize);
276
277 dump_nvlist(nv, 8);
278
279 nvlist_free(nv);
280}
281
6f1ffb06
MA		 282/* ARGSUSED */
283static void
284dump_history_offsets(objset_t *os, uint64_t object, void *data, size_t size)
285{
286 spa_history_phys_t *shp = data;
287
288 if (shp == NULL)
289 return;
290
291 (void) printf("\t\tpool_create_len = %llu\n",
292 (u_longlong_t)shp->sh_pool_create_len);
293 (void) printf("\t\tphys_max_off = %llu\n",
294 (u_longlong_t)shp->sh_phys_max_off);
295 (void) printf("\t\tbof = %llu\n",
296 (u_longlong_t)shp->sh_bof);
297 (void) printf("\t\teof = %llu\n",
298 (u_longlong_t)shp->sh_eof);
299 (void) printf("\t\trecords_lost = %llu\n",
300 (u_longlong_t)shp->sh_records_lost);
301}
302
428870ff 303static void
f3c8c9e6 304zdb_nicenum(uint64_t num, char *buf, size_t buflen)
428870ff
BB		 305{
306 if (dump_opt['P'])
f3c8c9e6 307 (void) snprintf(buf, buflen, "%llu", (longlong_t)num);
428870ff 308 else
f3c8c9e6 309 nicenum(num, buf, sizeof (buf));
428870ff
BB		 310}
311
867959b5
BB		 312static const char histo_stars[] = "****************************************";
313static const uint64_t histo_width = sizeof (histo_stars) - 1;
34dc7c2f
BB		 314
315static void
93cf2076 316dump_histogram(const uint64_t *histo, int size, int offset)
34dc7c2f
BB		 317{
318 int i;
d5869641 319 int minidx = size - 1;
34dc7c2f
BB		 320 int maxidx = 0;
321 uint64_t max = 0;
322
d5869641 323 for (i = 0; i < size; i++) {
34dc7c2f
BB		 324 if (histo[i] > max)
325 max = histo[i];
326 if (histo[i] > 0 && i > maxidx)
327 maxidx = i;
328 if (histo[i] > 0 && i < minidx)
329 minidx = i;
330 }
331
d5869641
MA		 332 if (max < histo_width)
333 max = histo_width;
34dc7c2f 334
d5869641
MA		 335 for (i = minidx; i <= maxidx; i++) {
336 (void) printf("\t\t\t%3u: %6llu %s\n",
93cf2076 337 i + offset, (u_longlong_t)histo[i],
d5869641
MA		 338 &histo_stars[(max - histo[i]) * histo_width / max]);
339 }
34dc7c2f
BB		 340}
341
342static void
343dump_zap_stats(objset_t *os, uint64_t object)
344{
345 int error;
346 zap_stats_t zs;
347
348 error = zap_get_stats(os, object, &zs);
349 if (error)
350 return;
351
352 if (zs.zs_ptrtbl_len == 0) {
353 ASSERT(zs.zs_num_blocks == 1);
354 (void) printf("\tmicrozap: %llu bytes, %llu entries\n",
355 (u_longlong_t)zs.zs_blocksize,
356 (u_longlong_t)zs.zs_num_entries);
357 return;
358 }
359
360 (void) printf("\tFat ZAP stats:\n");
361
362 (void) printf("\t\tPointer table:\n");
363 (void) printf("\t\t\t%llu elements\n",
364 (u_longlong_t)zs.zs_ptrtbl_len);
365 (void) printf("\t\t\tzt_blk: %llu\n",
366 (u_longlong_t)zs.zs_ptrtbl_zt_blk);
367 (void) printf("\t\t\tzt_numblks: %llu\n",
368 (u_longlong_t)zs.zs_ptrtbl_zt_numblks);
369 (void) printf("\t\t\tzt_shift: %llu\n",
370 (u_longlong_t)zs.zs_ptrtbl_zt_shift);
371 (void) printf("\t\t\tzt_blks_copied: %llu\n",
372 (u_longlong_t)zs.zs_ptrtbl_blks_copied);
373 (void) printf("\t\t\tzt_nextblk: %llu\n",
374 (u_longlong_t)zs.zs_ptrtbl_nextblk);
375
376 (void) printf("\t\tZAP entries: %llu\n",
377 (u_longlong_t)zs.zs_num_entries);
378 (void) printf("\t\tLeaf blocks: %llu\n",
379 (u_longlong_t)zs.zs_num_leafs);
380 (void) printf("\t\tTotal blocks: %llu\n",
381 (u_longlong_t)zs.zs_num_blocks);
382 (void) printf("\t\tzap_block_type: 0x%llx\n",
383 (u_longlong_t)zs.zs_block_type);
384 (void) printf("\t\tzap_magic: 0x%llx\n",
385 (u_longlong_t)zs.zs_magic);
386 (void) printf("\t\tzap_salt: 0x%llx\n",
387 (u_longlong_t)zs.zs_salt);
388
389 (void) printf("\t\tLeafs with 2^n pointers:\n");
93cf2076 390 dump_histogram(zs.zs_leafs_with_2n_pointers, ZAP_HISTOGRAM_SIZE, 0);
34dc7c2f
BB		 391
392 (void) printf("\t\tBlocks with n*5 entries:\n");
93cf2076 393 dump_histogram(zs.zs_blocks_with_n5_entries, ZAP_HISTOGRAM_SIZE, 0);
34dc7c2f
BB		 394
395 (void) printf("\t\tBlocks n/10 full:\n");
93cf2076 396 dump_histogram(zs.zs_blocks_n_tenths_full, ZAP_HISTOGRAM_SIZE, 0);
34dc7c2f
BB		 397
398 (void) printf("\t\tEntries with n chunks:\n");
93cf2076 399 dump_histogram(zs.zs_entries_using_n_chunks, ZAP_HISTOGRAM_SIZE, 0);
34dc7c2f
BB		 400
401 (void) printf("\t\tBuckets with n entries:\n");
93cf2076 402 dump_histogram(zs.zs_buckets_with_n_entries, ZAP_HISTOGRAM_SIZE, 0);
34dc7c2f
BB		 403}
404
405/*ARGSUSED*/
406static void
407dump_none(objset_t *os, uint64_t object, void *data, size_t size)
408{
409}
410
428870ff
BB		 411/*ARGSUSED*/
412static void
413dump_unknown(objset_t *os, uint64_t object, void *data, size_t size)
414{
415 (void) printf("\tUNKNOWN OBJECT TYPE\n");
416}
417
34dc7c2f 418/*ARGSUSED*/
867959b5 419static void
34dc7c2f
BB		 420dump_uint8(objset_t *os, uint64_t object, void *data, size_t size)
421{
422}
423
424/*ARGSUSED*/
425static void
426dump_uint64(objset_t *os, uint64_t object, void *data, size_t size)
427{
30af21b0 428 uint64_t *arr;
3fab4d9e 429 uint64_t oursize;
30af21b0
PD		 430 if (dump_opt['d'] < 6)
431 return;
3fab4d9e 432
30af21b0
PD		 433 if (data == NULL) {
434 dmu_object_info_t doi;
435
436 VERIFY0(dmu_object_info(os, object, &doi));
437 size = doi.doi_max_offset;
3fab4d9e
PD		 438 /*
439 * We cap the size at 1 mebibyte here to prevent
440 * allocation failures and nigh-infinite printing if the
441 * object is extremely large.
442 */
443 oursize = MIN(size, 1 << 20);
444 arr = kmem_alloc(oursize, KM_SLEEP);
445
446 int err = dmu_read(os, object, 0, oursize, arr, 0);
30af21b0
PD		 447 if (err != 0) {
448 (void) printf("got error %u from dmu_read\n", err);
3fab4d9e 449 kmem_free(arr, oursize);
30af21b0
PD		 450 return;
451 }
452 } else {
3fab4d9e
PD		 453 /*
454 * Even though the allocation is already done in this code path,
455 * we still cap the size to prevent excessive printing.
456 */
457 oursize = MIN(size, 1 << 20);
30af21b0
PD		 458 arr = data;
459 }
460
461 if (size == 0) {
462 (void) printf("\t\t[]\n");
463 return;
464 }
465
466 (void) printf("\t\t[%0llx", (u_longlong_t)arr[0]);
3fab4d9e 467 for (size_t i = 1; i * sizeof (uint64_t) < oursize; i++) {
30af21b0
PD		 468 if (i % 4 != 0)
469 (void) printf(", %0llx", (u_longlong_t)arr[i]);
470 else
471 (void) printf(",\n\t\t%0llx", (u_longlong_t)arr[i]);
472 }
3fab4d9e
PD		 473 if (oursize != size)
474 (void) printf(", ... ");
30af21b0
PD		 475 (void) printf("]\n");
476
477 if (data == NULL)
3fab4d9e 478 kmem_free(arr, oursize);
34dc7c2f
BB		 479}
480
481/*ARGSUSED*/
482static void
483dump_zap(objset_t *os, uint64_t object, void *data, size_t size)
484{
485 zap_cursor_t zc;
486 zap_attribute_t attr;
487 void *prop;
867959b5 488 unsigned i;
34dc7c2f
BB		 489
490 dump_zap_stats(os, object);
491 (void) printf("\n");
492
493 for (zap_cursor_init(&zc, os, object);
494 zap_cursor_retrieve(&zc, &attr) == 0;
495 zap_cursor_advance(&zc)) {
496 (void) printf("\t\t%s = ", attr.za_name);
497 if (attr.za_num_integers == 0) {
498 (void) printf("\n");
499 continue;
500 }
501 prop = umem_zalloc(attr.za_num_integers *
502 attr.za_integer_length, UMEM_NOFAIL);
503 (void) zap_lookup(os, object, attr.za_name,
504 attr.za_integer_length, attr.za_num_integers, prop);
505 if (attr.za_integer_length == 1) {
506 (void) printf("%s", (char *)prop);
507 } else {
508 for (i = 0; i < attr.za_num_integers; i++) {
509 switch (attr.za_integer_length) {
510 case 2:
511 (void) printf("%u ",
512 ((uint16_t *)prop)[i]);
513 break;
514 case 4:
515 (void) printf("%u ",
516 ((uint32_t *)prop)[i]);
517 break;
518 case 8:
519 (void) printf("%lld ",
520 (u_longlong_t)((int64_t *)prop)[i]);
521 break;
522 }
523 }
524 }
525 (void) printf("\n");
526 umem_free(prop, attr.za_num_integers * attr.za_integer_length);
527 }
528 zap_cursor_fini(&zc);
529}
530
252e1a54
MA		 531static void
532dump_bpobj(objset_t *os, uint64_t object, void *data, size_t size)
533{
534 bpobj_phys_t *bpop = data;
535 uint64_t i;
536 char bytes[32], comp[32], uncomp[32];
537
f3c8c9e6
JK		 538 /* make sure the output won't get truncated */
539 CTASSERT(sizeof (bytes) >= NN_NUMBUF_SZ);
540 CTASSERT(sizeof (comp) >= NN_NUMBUF_SZ);
541 CTASSERT(sizeof (uncomp) >= NN_NUMBUF_SZ);
542
252e1a54
MA		 543 if (bpop == NULL)
544 return;
545
f3c8c9e6
JK		 546 zdb_nicenum(bpop->bpo_bytes, bytes, sizeof (bytes));
547 zdb_nicenum(bpop->bpo_comp, comp, sizeof (comp));
548 zdb_nicenum(bpop->bpo_uncomp, uncomp, sizeof (uncomp));
252e1a54
MA		 549
550 (void) printf("\t\tnum_blkptrs = %llu\n",
551 (u_longlong_t)bpop->bpo_num_blkptrs);
552 (void) printf("\t\tbytes = %s\n", bytes);
553 if (size >= BPOBJ_SIZE_V1) {
554 (void) printf("\t\tcomp = %s\n", comp);
555 (void) printf("\t\tuncomp = %s\n", uncomp);
556 }
37f03da8 557 if (size >= BPOBJ_SIZE_V2) {
252e1a54
MA		 558 (void) printf("\t\tsubobjs = %llu\n",
559 (u_longlong_t)bpop->bpo_subobjs);
560 (void) printf("\t\tnum_subobjs = %llu\n",
561 (u_longlong_t)bpop->bpo_num_subobjs);
562 }
37f03da8
SH		 563 if (size >= sizeof (*bpop)) {
564 (void) printf("\t\tnum_freed = %llu\n",
565 (u_longlong_t)bpop->bpo_num_freed);
566 }
252e1a54
MA		 567
568 if (dump_opt['d'] < 5)
569 return;
570
571 for (i = 0; i < bpop->bpo_num_blkptrs; i++) {
572 char blkbuf[BP_SPRINTF_LEN];
573 blkptr_t bp;
574
575 int err = dmu_read(os, object,
576 i * sizeof (bp), sizeof (bp), &bp, 0);
577 if (err != 0) {
578 (void) printf("got error %u from dmu_read\n", err);
579 break;
580 }
37f03da8
SH		 581 snprintf_blkptr_compact(blkbuf, sizeof (blkbuf), &bp,
582 BP_GET_FREE(&bp));
252e1a54
MA		 583 (void) printf("\t%s\n", blkbuf);
584 }
585}
586
587/* ARGSUSED */
588static void
589dump_bpobj_subobjs(objset_t *os, uint64_t object, void *data, size_t size)
590{
591 dmu_object_info_t doi;
2986b3fd 592 int64_t i;
252e1a54
MA		 593
594 VERIFY0(dmu_object_info(os, object, &doi));
595 uint64_t *subobjs = kmem_alloc(doi.doi_max_offset, KM_SLEEP);
596
597 int err = dmu_read(os, object, 0, doi.doi_max_offset, subobjs, 0);
598 if (err != 0) {
599 (void) printf("got error %u from dmu_read\n", err);
600 kmem_free(subobjs, doi.doi_max_offset);
601 return;
602 }
603
604 int64_t last_nonzero = -1;
605 for (i = 0; i < doi.doi_max_offset / 8; i++) {
606 if (subobjs[i] != 0)
607 last_nonzero = i;
608 }
609
610 for (i = 0; i <= last_nonzero; i++) {
2986b3fd 611 (void) printf("\t%llu\n", (u_longlong_t)subobjs[i]);
252e1a54
MA		 612 }
613 kmem_free(subobjs, doi.doi_max_offset);
614}
615
428870ff
BB		 616/*ARGSUSED*/
617static void
618dump_ddt_zap(objset_t *os, uint64_t object, void *data, size_t size)
619{
620 dump_zap_stats(os, object);
621 /* contents are printed elsewhere, properly decoded */
622}
623
624/*ARGSUSED*/
625static void
626dump_sa_attrs(objset_t *os, uint64_t object, void *data, size_t size)
627{
628 zap_cursor_t zc;
629 zap_attribute_t attr;
630
631 dump_zap_stats(os, object);
632 (void) printf("\n");
633
634 for (zap_cursor_init(&zc, os, object);
635 zap_cursor_retrieve(&zc, &attr) == 0;
636 zap_cursor_advance(&zc)) {
637 (void) printf("\t\t%s = ", attr.za_name);
638 if (attr.za_num_integers == 0) {
639 (void) printf("\n");
640 continue;
641 }
642 (void) printf(" %llx : [%d:%d:%d]\n",
643 (u_longlong_t)attr.za_first_integer,
644 (int)ATTR_LENGTH(attr.za_first_integer),
645 (int)ATTR_BSWAP(attr.za_first_integer),
646 (int)ATTR_NUM(attr.za_first_integer));
647 }
648 zap_cursor_fini(&zc);
649}
650
651/*ARGSUSED*/
652static void
653dump_sa_layouts(objset_t *os, uint64_t object, void *data, size_t size)
654{
655 zap_cursor_t zc;
656 zap_attribute_t attr;
657 uint16_t *layout_attrs;
867959b5 658 unsigned i;
428870ff
BB		 659
660 dump_zap_stats(os, object);
661 (void) printf("\n");
662
663 for (zap_cursor_init(&zc, os, object);
664 zap_cursor_retrieve(&zc, &attr) == 0;
665 zap_cursor_advance(&zc)) {
666 (void) printf("\t\t%s = [", attr.za_name);
667 if (attr.za_num_integers == 0) {
668 (void) printf("\n");
669 continue;
670 }
671
672 VERIFY(attr.za_integer_length == 2);
673 layout_attrs = umem_zalloc(attr.za_num_integers *
674 attr.za_integer_length, UMEM_NOFAIL);
675
676 VERIFY(zap_lookup(os, object, attr.za_name,
677 attr.za_integer_length,
678 attr.za_num_integers, layout_attrs) == 0);
679
680 for (i = 0; i != attr.za_num_integers; i++)
681 (void) printf(" %d ", (int)layout_attrs[i]);
682 (void) printf("]\n");
683 umem_free(layout_attrs,
684 attr.za_num_integers * attr.za_integer_length);
685 }
686 zap_cursor_fini(&zc);
687}
688
34dc7c2f
BB		 689/*ARGSUSED*/
690static void
691dump_zpldir(objset_t *os, uint64_t object, void *data, size_t size)
692{
693 zap_cursor_t zc;
694 zap_attribute_t attr;
695 const char *typenames[] = {
696 /* 0 */ "not specified",
697 /* 1 */ "FIFO",
698 /* 2 */ "Character Device",
699 /* 3 */ "3 (invalid)",
700 /* 4 */ "Directory",
701 /* 5 */ "5 (invalid)",
702 /* 6 */ "Block Device",
703 /* 7 */ "7 (invalid)",
704 /* 8 */ "Regular File",
705 /* 9 */ "9 (invalid)",
706 /* 10 */ "Symbolic Link",
707 /* 11 */ "11 (invalid)",
708 /* 12 */ "Socket",
709 /* 13 */ "Door",
710 /* 14 */ "Event Port",
711 /* 15 */ "15 (invalid)",
712 };
713
714 dump_zap_stats(os, object);
715 (void) printf("\n");
716
717 for (zap_cursor_init(&zc, os, object);
718 zap_cursor_retrieve(&zc, &attr) == 0;
719 zap_cursor_advance(&zc)) {
720 (void) printf("\t\t%s = %lld (type: %s)\n",
721 attr.za_name, ZFS_DIRENT_OBJ(attr.za_first_integer),
722 typenames[ZFS_DIRENT_TYPE(attr.za_first_integer)]);
723 }
724 zap_cursor_fini(&zc);
725}
726
867959b5 727static int
93cf2076
GW		 728get_dtl_refcount(vdev_t *vd)
729{
730 int refcount = 0;
93cf2076
GW		 731
732 if (vd->vdev_ops->vdev_op_leaf) {
733 space_map_t *sm = vd->vdev_dtl_sm;
734
735 if (sm != NULL &&
736 sm->sm_dbuf->db_size == sizeof (space_map_phys_t))
737 return (1);
738 return (0);
739 }
740
867959b5 741 for (unsigned c = 0; c < vd->vdev_children; c++)
93cf2076
GW		 742 refcount += get_dtl_refcount(vd->vdev_child[c]);
743 return (refcount);
744}
745
867959b5 746static int
93cf2076
GW		 747get_metaslab_refcount(vdev_t *vd)
748{
749 int refcount = 0;
93cf2076 750
a1d477c2
MA		 751 if (vd->vdev_top == vd) {
752 for (uint64_t m = 0; m < vd->vdev_ms_count; m++) {
93cf2076
GW		 753 space_map_t *sm = vd->vdev_ms[m]->ms_sm;
754
755 if (sm != NULL &&
756 sm->sm_dbuf->db_size == sizeof (space_map_phys_t))
757 refcount++;
758 }
759 }
867959b5 760 for (unsigned c = 0; c < vd->vdev_children; c++)
93cf2076
GW		 761 refcount += get_metaslab_refcount(vd->vdev_child[c]);
762
763 return (refcount);
764}
765
a1d477c2
MA		 766static int
767get_obsolete_refcount(vdev_t *vd)
768{
27f80e85 769 uint64_t obsolete_sm_object;
a1d477c2
MA		 770 int refcount = 0;
771
27f80e85
BB		 772 VERIFY0(vdev_obsolete_sm_object(vd, &obsolete_sm_object));
773 if (vd->vdev_top == vd && obsolete_sm_object != 0) {
a1d477c2
MA		 774 dmu_object_info_t doi;
775 VERIFY0(dmu_object_info(vd->vdev_spa->spa_meta_objset,
27f80e85 776 obsolete_sm_object, &doi));
a1d477c2
MA		 777 if (doi.doi_bonus_size == sizeof (space_map_phys_t)) {
778 refcount++;
779 }
780 } else {
781 ASSERT3P(vd->vdev_obsolete_sm, ==, NULL);
27f80e85 782 ASSERT3U(obsolete_sm_object, ==, 0);
a1d477c2
MA		 783 }
784 for (unsigned c = 0; c < vd->vdev_children; c++) {
785 refcount += get_obsolete_refcount(vd->vdev_child[c]);
786 }
787
788 return (refcount);
789}
790
791static int
792get_prev_obsolete_spacemap_refcount(spa_t *spa)
793{
794 uint64_t prev_obj =
795 spa->spa_condensing_indirect_phys.scip_prev_obsolete_sm_object;
796 if (prev_obj != 0) {
797 dmu_object_info_t doi;
798 VERIFY0(dmu_object_info(spa->spa_meta_objset, prev_obj, &doi));
799 if (doi.doi_bonus_size == sizeof (space_map_phys_t)) {
800 return (1);
801 }
802 }
803 return (0);
804}
805
d2734cce
SD		 806static int
807get_checkpoint_refcount(vdev_t *vd)
808{
809 int refcount = 0;
810
811 if (vd->vdev_top == vd && vd->vdev_top_zap != 0 &&
812 zap_contains(spa_meta_objset(vd->vdev_spa),
813 vd->vdev_top_zap, VDEV_TOP_ZAP_POOL_CHECKPOINT_SM) == 0)
814 refcount++;
815
816 for (uint64_t c = 0; c < vd->vdev_children; c++)
817 refcount += get_checkpoint_refcount(vd->vdev_child[c]);
818
819 return (refcount);
820}
821
93e28d66
SD		 822static int
823get_log_spacemap_refcount(spa_t *spa)
824{
825 return (avl_numnodes(&spa->spa_sm_logs_by_txg));
826}
827
93cf2076
GW		 828static int
829verify_spacemap_refcounts(spa_t *spa)
830{
fa86b5db
MA		 831 uint64_t expected_refcount = 0;
832 uint64_t actual_refcount;
93cf2076 833
fa86b5db
MA		 834 (void) feature_get_refcount(spa,
835 &spa_feature_table[SPA_FEATURE_SPACEMAP_HISTOGRAM],
836 &expected_refcount);
93cf2076
GW		 837 actual_refcount = get_dtl_refcount(spa->spa_root_vdev);
838 actual_refcount += get_metaslab_refcount(spa->spa_root_vdev);
a1d477c2
MA		 839 actual_refcount += get_obsolete_refcount(spa->spa_root_vdev);
840 actual_refcount += get_prev_obsolete_spacemap_refcount(spa);
d2734cce 841 actual_refcount += get_checkpoint_refcount(spa->spa_root_vdev);
93e28d66 842 actual_refcount += get_log_spacemap_refcount(spa);
93cf2076
GW		 843
844 if (expected_refcount != actual_refcount) {
fa86b5db
MA		 845 (void) printf("space map refcount mismatch: expected %lld != "
846 "actual %lld\n",
847 (longlong_t)expected_refcount,
848 (longlong_t)actual_refcount);
93cf2076
GW		 849 return (2);
850 }
851 return (0);
852}
853
34dc7c2f 854static void
93cf2076 855dump_spacemap(objset_t *os, space_map_t *sm)
34dc7c2f 856{
867959b5 857 const char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID",
a1d477c2 858 "INVALID", "INVALID", "INVALID", "INVALID" };
34dc7c2f 859
93cf2076 860 if (sm == NULL)
34dc7c2f
BB		 861 return;
862
a1d477c2 863 (void) printf("space map object %llu:\n",
425d3237
SD		 864 (longlong_t)sm->sm_object);
865 (void) printf(" smp_length = 0x%llx\n",
866 (longlong_t)sm->sm_phys->smp_length);
a1d477c2
MA		 867 (void) printf(" smp_alloc = 0x%llx\n",
868 (longlong_t)sm->sm_phys->smp_alloc);
869
21e7cf5d
SD		 870 if (dump_opt['d'] < 6 && dump_opt['m'] < 4)
871 return;
872
34dc7c2f
BB		 873 /*
874 * Print out the freelist entries in both encoded and decoded form.
875 */
4d044c4c
SD		 876 uint8_t mapshift = sm->sm_shift;
877 int64_t alloc = 0;
21e7cf5d 878 uint64_t word, entry_id = 0;
4d044c4c
SD		 879 for (uint64_t offset = 0; offset < space_map_length(sm);
880 offset += sizeof (word)) {
93cf2076
GW		 881
882 VERIFY0(dmu_read(os, space_map_object(sm), offset,
4d044c4c 883 sizeof (word), &word, DMU_READ_PREFETCH));
93cf2076 884
4d044c4c 885 if (sm_entry_is_debug(word)) {
21e7cf5d
SD		 886 (void) printf("\t [%6llu] %s: txg %llu pass %llu\n",
887 (u_longlong_t)entry_id,
4d044c4c
SD		 888 ddata[SM_DEBUG_ACTION_DECODE(word)],
889 (u_longlong_t)SM_DEBUG_TXG_DECODE(word),
890 (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(word));
21e7cf5d 891 entry_id++;
4d044c4c
SD		 892 continue;
893 }
894
895 uint8_t words;
896 char entry_type;
897 uint64_t entry_off, entry_run, entry_vdev = SM_NO_VDEVID;
898
899 if (sm_entry_is_single_word(word)) {
900 entry_type = (SM_TYPE_DECODE(word) == SM_ALLOC) ?
901 'A' : 'F';
902 entry_off = (SM_OFFSET_DECODE(word) << mapshift) +
903 sm->sm_start;
904 entry_run = SM_RUN_DECODE(word) << mapshift;
905 words = 1;
34dc7c2f 906 } else {
4d044c4c
SD		 907 /* it is a two-word entry so we read another word */
908 ASSERT(sm_entry_is_double_word(word));
909
910 uint64_t extra_word;
911 offset += sizeof (extra_word);
912 VERIFY0(dmu_read(os, space_map_object(sm), offset,
913 sizeof (extra_word), &extra_word,
914 DMU_READ_PREFETCH));
915
916 ASSERT3U(offset, <=, space_map_length(sm));
917
918 entry_run = SM2_RUN_DECODE(word) << mapshift;
919 entry_vdev = SM2_VDEV_DECODE(word);
920 entry_type = (SM2_TYPE_DECODE(extra_word) == SM_ALLOC) ?
921 'A' : 'F';
922 entry_off = (SM2_OFFSET_DECODE(extra_word) <<
923 mapshift) + sm->sm_start;
924 words = 2;
34dc7c2f 925 }
4d044c4c
SD		 926
927 (void) printf("\t [%6llu] %c range:"
928 " %010llx-%010llx size: %06llx vdev: %06llu words: %u\n",
21e7cf5d 929 (u_longlong_t)entry_id,
4d044c4c
SD		 930 entry_type, (u_longlong_t)entry_off,
931 (u_longlong_t)(entry_off + entry_run),
932 (u_longlong_t)entry_run,
933 (u_longlong_t)entry_vdev, words);
934
935 if (entry_type == 'A')
936 alloc += entry_run;
937 else
938 alloc -= entry_run;
21e7cf5d 939 entry_id++;
34dc7c2f 940 }
93e28d66 941 if (alloc != space_map_allocated(sm)) {
4d044c4c
SD		 942 (void) printf("space_map_object alloc (%lld) INCONSISTENT "
943 "with space map summary (%lld)\n",
944 (longlong_t)space_map_allocated(sm), (longlong_t)alloc);
34dc7c2f
BB		 945 }
946}
947
9babb374
BB		 948static void
949dump_metaslab_stats(metaslab_t *msp)
950{
428870ff 951 char maxbuf[32];
d2734cce 952 range_tree_t *rt = msp->ms_allocatable;
ca577779 953 zfs_btree_t *t = &msp->ms_allocatable_by_size;
93cf2076 954 int free_pct = range_tree_space(rt) * 100 / msp->ms_size;
9babb374 955
f3c8c9e6
JK		 956 /* max sure nicenum has enough space */
957 CTASSERT(sizeof (maxbuf) >= NN_NUMBUF_SZ);
958
c81f1790 959 zdb_nicenum(metaslab_largest_allocatable(msp), maxbuf, sizeof (maxbuf));
9babb374 960
428870ff 961 (void) printf("\t %25s %10lu %7s %6s %4s %4d%%\n",
ca577779 962 "segments", zfs_btree_numnodes(t), "maxsize", maxbuf,
9babb374 963 "freepct", free_pct);
93cf2076
GW		 964 (void) printf("\tIn-memory histogram:\n");
965 dump_histogram(rt->rt_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0);
9babb374
BB		 966}
967
34dc7c2f
BB		 968static void
969dump_metaslab(metaslab_t *msp)
970{
34dc7c2f
BB		 971 vdev_t *vd = msp->ms_group->mg_vd;
972 spa_t *spa = vd->vdev_spa;
93cf2076 973 space_map_t *sm = msp->ms_sm;
428870ff 974 char freebuf[32];
34dc7c2f 975
f3c8c9e6
JK		 976 zdb_nicenum(msp->ms_size - space_map_allocated(sm), freebuf,
977 sizeof (freebuf));
34dc7c2f 978
34dc7c2f 979 (void) printf(
428870ff 980 "\tmetaslab %6llu offset %12llx spacemap %6llu free %5s\n",
93cf2076
GW		 981 (u_longlong_t)msp->ms_id, (u_longlong_t)msp->ms_start,
982 (u_longlong_t)space_map_object(sm), freebuf);
34dc7c2f 983
93cf2076 984 if (dump_opt['m'] > 2 && !dump_opt['L']) {
9babb374 985 mutex_enter(&msp->ms_lock);
b194fab0
SD		 986 VERIFY0(metaslab_load(msp));
987 range_tree_stat_verify(msp->ms_allocatable);
9babb374 988 dump_metaslab_stats(msp);
93cf2076 989 metaslab_unload(msp);
9babb374
BB		 990 mutex_exit(&msp->ms_lock);
991 }
992
93cf2076 993 if (dump_opt['m'] > 1 && sm != NULL &&
fa86b5db 994 spa_feature_is_active(spa, SPA_FEATURE_SPACEMAP_HISTOGRAM)) {
93cf2076
GW		 995 /*
996 * The space map histogram represents free space in chunks
997 * of sm_shift (i.e. bucket 0 refers to 2^sm_shift).
998 */
f3a7f661
GW		 999 (void) printf("\tOn-disk histogram:\t\tfragmentation %llu\n",
1000 (u_longlong_t)msp->ms_fragmentation);
93cf2076 1001 dump_histogram(sm->sm_phys->smp_histogram,
f3a7f661 1002 SPACE_MAP_HISTOGRAM_SIZE, sm->sm_shift);
93cf2076
GW		 1003 }
1004
21e7cf5d
SD		 1005 ASSERT(msp->ms_size == (1ULL << vd->vdev_ms_shift));
1006 dump_spacemap(spa->spa_meta_objset, msp->ms_sm);
93e28d66
SD		 1007
1008 if (spa_feature_is_active(spa, SPA_FEATURE_LOG_SPACEMAP)) {
1009 (void) printf("\tFlush data:\n\tunflushed txg=%llu\n\n",
1010 (u_longlong_t)metaslab_unflushed_txg(msp));
1011 }
428870ff 1012}
34dc7c2f 1013
428870ff
BB		 1014static void
1015print_vdev_metaslab_header(vdev_t *vd)
1016{
cc99f275 1017 vdev_alloc_bias_t alloc_bias = vd->vdev_alloc_bias;
93e28d66
SD		 1018 const char *bias_str = "";
1019 if (alloc_bias == VDEV_BIAS_LOG || vd->vdev_islog) {
1020 bias_str = VDEV_ALLOC_BIAS_LOG;
1021 } else if (alloc_bias == VDEV_BIAS_SPECIAL) {
1022 bias_str = VDEV_ALLOC_BIAS_SPECIAL;
1023 } else if (alloc_bias == VDEV_BIAS_DEDUP) {
1024 bias_str = VDEV_ALLOC_BIAS_DEDUP;
1025 }
1026
1027 uint64_t ms_flush_data_obj = 0;
1028 if (vd->vdev_top_zap != 0) {
1029 int error = zap_lookup(spa_meta_objset(vd->vdev_spa),
1030 vd->vdev_top_zap, VDEV_TOP_ZAP_MS_UNFLUSHED_PHYS_TXGS,
1031 sizeof (uint64_t), 1, &ms_flush_data_obj);
1032 if (error != ENOENT) {
1033 ASSERT0(error);
1034 }
1035 }
1036
1037 (void) printf("\tvdev %10llu %s",
1038 (u_longlong_t)vd->vdev_id, bias_str);
cc99f275 1039
93e28d66
SD		 1040 if (ms_flush_data_obj != 0) {
1041 (void) printf(" ms_unflushed_phys object %llu",
1042 (u_longlong_t)ms_flush_data_obj);
1043 }
cc99f275 1044
93e28d66 1045 (void) printf("\n\t%-10s%5llu %-19s %-15s %-12s\n",
428870ff
BB		 1046 "metaslabs", (u_longlong_t)vd->vdev_ms_count,
1047 "offset", "spacemap", "free");
cc99f275 1048 (void) printf("\t%15s %19s %15s %12s\n",
428870ff 1049 "---------------", "-------------------",
cc99f275 1050 "---------------", "------------");
34dc7c2f
BB		 1051}
1052
f3a7f661
GW		 1053static void
1054dump_metaslab_groups(spa_t *spa)
1055{
1056 vdev_t *rvd = spa->spa_root_vdev;
1057 metaslab_class_t *mc = spa_normal_class(spa);
1058 uint64_t fragmentation;
f3a7f661
GW		 1059
1060 metaslab_class_histogram_verify(mc);
1061
867959b5 1062 for (unsigned c = 0; c < rvd->vdev_children; c++) {
f3a7f661
GW		 1063 vdev_t *tvd = rvd->vdev_child[c];
1064 metaslab_group_t *mg = tvd->vdev_mg;
1065
cc99f275 1066 if (mg == NULL || mg->mg_class != mc)
f3a7f661
GW		 1067 continue;
1068
1069 metaslab_group_histogram_verify(mg);
1070 mg->mg_fragmentation = metaslab_group_fragmentation(mg);
1071
1072 (void) printf("\tvdev %10llu\t\tmetaslabs%5llu\t\t"
1073 "fragmentation",
1074 (u_longlong_t)tvd->vdev_id,
1075 (u_longlong_t)tvd->vdev_ms_count);
1076 if (mg->mg_fragmentation == ZFS_FRAG_INVALID) {
1077 (void) printf("%3s\n", "-");
1078 } else {
1079 (void) printf("%3llu%%\n",
1080 (u_longlong_t)mg->mg_fragmentation);
1081 }
1082 dump_histogram(mg->mg_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0);
1083 }
1084
1085 (void) printf("\tpool %s\tfragmentation", spa_name(spa));
1086 fragmentation = metaslab_class_fragmentation(mc);
1087 if (fragmentation == ZFS_FRAG_INVALID)
1088 (void) printf("\t%3s\n", "-");
1089 else
1090 (void) printf("\t%3llu%%\n", (u_longlong_t)fragmentation);
1091 dump_histogram(mc->mc_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0);
1092}
1093
a1d477c2
MA		 1094static void
1095print_vdev_indirect(vdev_t *vd)
1096{
1097 vdev_indirect_config_t *vic = &vd->vdev_indirect_config;
1098 vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping;
1099 vdev_indirect_births_t *vib = vd->vdev_indirect_births;
1100
1101 if (vim == NULL) {
1102 ASSERT3P(vib, ==, NULL);
1103 return;
1104 }
1105
1106 ASSERT3U(vdev_indirect_mapping_object(vim), ==,
1107 vic->vic_mapping_object);
1108 ASSERT3U(vdev_indirect_births_object(vib), ==,
1109 vic->vic_births_object);
1110
1111 (void) printf("indirect births obj %llu:\n",
1112 (longlong_t)vic->vic_births_object);
1113 (void) printf(" vib_count = %llu\n",
1114 (longlong_t)vdev_indirect_births_count(vib));
1115 for (uint64_t i = 0; i < vdev_indirect_births_count(vib); i++) {
1116 vdev_indirect_birth_entry_phys_t *cur_vibe =
1117 &vib->vib_entries[i];
1118 (void) printf("\toffset %llx -> txg %llu\n",
1119 (longlong_t)cur_vibe->vibe_offset,
1120 (longlong_t)cur_vibe->vibe_phys_birth_txg);
1121 }
1122 (void) printf("\n");
1123
1124 (void) printf("indirect mapping obj %llu:\n",
1125 (longlong_t)vic->vic_mapping_object);
1126 (void) printf(" vim_max_offset = 0x%llx\n",
1127 (longlong_t)vdev_indirect_mapping_max_offset(vim));
1128 (void) printf(" vim_bytes_mapped = 0x%llx\n",
1129 (longlong_t)vdev_indirect_mapping_bytes_mapped(vim));
1130 (void) printf(" vim_count = %llu\n",
1131 (longlong_t)vdev_indirect_mapping_num_entries(vim));
1132
1133 if (dump_opt['d'] <= 5 && dump_opt['m'] <= 3)
1134 return;
1135
1136 uint32_t *counts = vdev_indirect_mapping_load_obsolete_counts(vim);
1137
1138 for (uint64_t i = 0; i < vdev_indirect_mapping_num_entries(vim); i++) {
1139 vdev_indirect_mapping_entry_phys_t *vimep =
1140 &vim->vim_entries[i];
1141 (void) printf("\t<%llx:%llx:%llx> -> "
1142 "<%llx:%llx:%llx> (%x obsolete)\n",
1143 (longlong_t)vd->vdev_id,
1144 (longlong_t)DVA_MAPPING_GET_SRC_OFFSET(vimep),
1145 (longlong_t)DVA_GET_ASIZE(&vimep->vimep_dst),
1146 (longlong_t)DVA_GET_VDEV(&vimep->vimep_dst),
1147 (longlong_t)DVA_GET_OFFSET(&vimep->vimep_dst),
1148 (longlong_t)DVA_GET_ASIZE(&vimep->vimep_dst),
1149 counts[i]);
1150 }
1151 (void) printf("\n");
1152
27f80e85
BB		 1153 uint64_t obsolete_sm_object;
1154 VERIFY0(vdev_obsolete_sm_object(vd, &obsolete_sm_object));
a1d477c2
MA		 1155 if (obsolete_sm_object != 0) {
1156 objset_t *mos = vd->vdev_spa->spa_meta_objset;
1157 (void) printf("obsolete space map object %llu:\n",
1158 (u_longlong_t)obsolete_sm_object);
1159 ASSERT(vd->vdev_obsolete_sm != NULL);
1160 ASSERT3U(space_map_object(vd->vdev_obsolete_sm), ==,
1161 obsolete_sm_object);
1162 dump_spacemap(mos, vd->vdev_obsolete_sm);
1163 (void) printf("\n");
1164 }
1165}
1166
34dc7c2f
BB		 1167static void
1168dump_metaslabs(spa_t *spa)
1169{
428870ff
BB		 1170 vdev_t *vd, *rvd = spa->spa_root_vdev;
1171 uint64_t m, c = 0, children = rvd->vdev_children;
34dc7c2f
BB		 1172
1173 (void) printf("\nMetaslabs:\n");
1174
428870ff
BB		 1175 if (!dump_opt['d'] && zopt_objects > 0) {
1176 c = zopt_object[0];
1177
1178 if (c >= children)
1179 (void) fatal("bad vdev id: %llu", (u_longlong_t)c);
34dc7c2f 1180
428870ff
BB		 1181 if (zopt_objects > 1) {
1182 vd = rvd->vdev_child[c];
1183 print_vdev_metaslab_header(vd);
1184
1185 for (m = 1; m < zopt_objects; m++) {
1186 if (zopt_object[m] < vd->vdev_ms_count)
1187 dump_metaslab(
1188 vd->vdev_ms[zopt_object[m]]);
1189 else
1190 (void) fprintf(stderr, "bad metaslab "
1191 "number %llu\n",
1192 (u_longlong_t)zopt_object[m]);
1193 }
1194 (void) printf("\n");
1195 return;
1196 }
1197 children = c + 1;
1198 }
1199 for (; c < children; c++) {
1200 vd = rvd->vdev_child[c];
1201 print_vdev_metaslab_header(vd);
34dc7c2f 1202
a1d477c2
MA		 1203 print_vdev_indirect(vd);
1204
34dc7c2f
BB		 1205 for (m = 0; m < vd->vdev_ms_count; m++)
1206 dump_metaslab(vd->vdev_ms[m]);
1207 (void) printf("\n");
1208 }
1209}
1210
93e28d66
SD		 1211static void
1212dump_log_spacemaps(spa_t *spa)
1213{
bac15c11
SD		 1214 if (!spa_feature_is_active(spa, SPA_FEATURE_LOG_SPACEMAP))
1215 return;
1216
93e28d66
SD		 1217 (void) printf("\nLog Space Maps in Pool:\n");
1218 for (spa_log_sm_t *sls = avl_first(&spa->spa_sm_logs_by_txg);
1219 sls; sls = AVL_NEXT(&spa->spa_sm_logs_by_txg, sls)) {
1220 space_map_t *sm = NULL;
1221 VERIFY0(space_map_open(&sm, spa_meta_objset(spa),
1222 sls->sls_sm_obj, 0, UINT64_MAX, SPA_MINBLOCKSHIFT));
1223
1224 (void) printf("Log Spacemap object %llu txg %llu\n",
1225 (u_longlong_t)sls->sls_sm_obj, (u_longlong_t)sls->sls_txg);
1226 dump_spacemap(spa->spa_meta_objset, sm);
1227 space_map_close(sm);
1228 }
1229 (void) printf("\n");
1230}
1231
428870ff
BB		 1232static void
1233dump_dde(const ddt_t *ddt, const ddt_entry_t *dde, uint64_t index)
1234{
1235 const ddt_phys_t *ddp = dde->dde_phys;
1236 const ddt_key_t *ddk = &dde->dde_key;
867959b5 1237 const char *types[4] = { "ditto", "single", "double", "triple" };
428870ff
BB		 1238 char blkbuf[BP_SPRINTF_LEN];
1239 blkptr_t blk;
d6320ddb 1240 int p;
428870ff 1241
d6320ddb 1242 for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
428870ff
BB		 1243 if (ddp->ddp_phys_birth == 0)
1244 continue;
1245 ddt_bp_create(ddt->ddt_checksum, ddk, ddp, &blk);
b0bc7a84 1246 snprintf_blkptr(blkbuf, sizeof (blkbuf), &blk);
428870ff
BB		 1247 (void) printf("index %llx refcnt %llu %s %s\n",
1248 (u_longlong_t)index, (u_longlong_t)ddp->ddp_refcnt,
1249 types[p], blkbuf);
1250 }
1251}
1252
1253static void
1254dump_dedup_ratio(const ddt_stat_t *dds)
1255{
1256 double rL, rP, rD, D, dedup, compress, copies;
1257
1258 if (dds->dds_blocks == 0)
1259 return;
1260
1261 rL = (double)dds->dds_ref_lsize;
1262 rP = (double)dds->dds_ref_psize;
1263 rD = (double)dds->dds_ref_dsize;
1264 D = (double)dds->dds_dsize;
1265
1266 dedup = rD / D;
1267 compress = rL / rP;
1268 copies = rD / rP;
1269
1270 (void) printf("dedup = %.2f, compress = %.2f, copies = %.2f, "
1271 "dedup * compress / copies = %.2f\n\n",
1272 dedup, compress, copies, dedup * compress / copies);
1273}
1274
1275static void
1276dump_ddt(ddt_t *ddt, enum ddt_type type, enum ddt_class class)
1277{
1278 char name[DDT_NAMELEN];
1279 ddt_entry_t dde;
1280 uint64_t walk = 0;
1281 dmu_object_info_t doi;
1282 uint64_t count, dspace, mspace;
1283 int error;
1284
1285 error = ddt_object_info(ddt, type, class, &doi);
1286
1287 if (error == ENOENT)
1288 return;
1289 ASSERT(error == 0);
1290
e8fd45a0
BB		 1291 error = ddt_object_count(ddt, type, class, &count);
1292 ASSERT(error == 0);
1293 if (count == 0)
572e2857
BB		 1294 return;
1295
428870ff
BB		 1296 dspace = doi.doi_physical_blocks_512 << 9;
1297 mspace = doi.doi_fill_count * doi.doi_data_block_size;
1298
428870ff
BB		 1299 ddt_object_name(ddt, type, class, name);
1300
1301 (void) printf("%s: %llu entries, size %llu on disk, %llu in core\n",
1302 name,
1303 (u_longlong_t)count,
1304 (u_longlong_t)(dspace / count),
1305 (u_longlong_t)(mspace / count));
1306
1307 if (dump_opt['D'] < 3)
1308 return;
1309
1310 zpool_dump_ddt(NULL, &ddt->ddt_histogram[type][class]);
1311
1312 if (dump_opt['D'] < 4)
1313 return;
1314
1315 if (dump_opt['D'] < 5 && class == DDT_CLASS_UNIQUE)
1316 return;
1317
1318 (void) printf("%s contents:\n\n", name);
1319
1320 while ((error = ddt_object_walk(ddt, type, class, &walk, &dde)) == 0)
1321 dump_dde(ddt, &dde, walk);
1322
4d044c4c 1323 ASSERT3U(error, ==, ENOENT);
428870ff
BB		 1324
1325 (void) printf("\n");
1326}
1327
1328static void
1329dump_all_ddts(spa_t *spa)
1330{
d6320ddb
BB		 1331 ddt_histogram_t ddh_total;
1332 ddt_stat_t dds_total;
428870ff 1333
867959b5
BB		 1334 bzero(&ddh_total, sizeof (ddh_total));
1335 bzero(&dds_total, sizeof (dds_total));
d6320ddb 1336
867959b5 1337 for (enum zio_checksum c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
428870ff 1338 ddt_t *ddt = spa->spa_ddt[c];
867959b5
BB		 1339 for (enum ddt_type type = 0; type < DDT_TYPES; type++) {
1340 for (enum ddt_class class = 0; class < DDT_CLASSES;
428870ff
BB		 1341 class++) {
1342 dump_ddt(ddt, type, class);
1343 }
1344 }
1345 }
1346
1347 ddt_get_dedup_stats(spa, &dds_total);
1348
1349 if (dds_total.dds_blocks == 0) {
1350 (void) printf("All DDTs are empty\n");
1351 return;
1352 }
1353
1354 (void) printf("\n");
1355
1356 if (dump_opt['D'] > 1) {
1357 (void) printf("DDT histogram (aggregated over all DDTs):\n");
1358 ddt_get_dedup_histogram(spa, &ddh_total);
1359 zpool_dump_ddt(&dds_total, &ddh_total);
1360 }
1361
1362 dump_dedup_ratio(&dds_total);
1363}
1364
fb5f0bc8 1365static void
93cf2076 1366dump_dtl_seg(void *arg, uint64_t start, uint64_t size)
fb5f0bc8 1367{
93cf2076 1368 char *prefix = arg;
fb5f0bc8
BB		 1369
1370 (void) printf("%s [%llu,%llu) length %llu\n",
1371 prefix,
1372 (u_longlong_t)start,
1373 (u_longlong_t)(start + size),
1374 (u_longlong_t)(size));
1375}
1376
34dc7c2f
BB		 1377static void
1378dump_dtl(vdev_t *vd, int indent)
1379{
fb5f0bc8
BB		 1380 spa_t *spa = vd->vdev_spa;
1381 boolean_t required;
867959b5
BB		 1382 const char *name[DTL_TYPES] = { "missing", "partial", "scrub",
1383 "outage" };
fb5f0bc8
BB		 1384 char prefix[256];
1385
428870ff 1386 spa_vdev_state_enter(spa, SCL_NONE);
fb5f0bc8
BB		 1387 required = vdev_dtl_required(vd);
1388 (void) spa_vdev_state_exit(spa, NULL, 0);
34dc7c2f
BB		 1389
1390 if (indent == 0)
1391 (void) printf("\nDirty time logs:\n\n");
1392
fb5f0bc8 1393 (void) printf("\t%*s%s [%s]\n", indent, "",
b128c09f 1394 vd->vdev_path ? vd->vdev_path :
fb5f0bc8
BB		 1395 vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa),
1396 required ? "DTL-required" : "DTL-expendable");
34dc7c2f 1397
867959b5 1398 for (int t = 0; t < DTL_TYPES; t++) {
93cf2076
GW		 1399 range_tree_t *rt = vd->vdev_dtl[t];
1400 if (range_tree_space(rt) == 0)
fb5f0bc8
BB		 1401 continue;
1402 (void) snprintf(prefix, sizeof (prefix), "\t%*s%s",
1403 indent + 2, "", name[t]);
93cf2076 1404 range_tree_walk(rt, dump_dtl_seg, prefix);
fb5f0bc8
BB		 1405 if (dump_opt['d'] > 5 && vd->vdev_children == 0)
1406 dump_spacemap(spa->spa_meta_objset,
93cf2076 1407 vd->vdev_dtl_sm);
34dc7c2f
BB		 1408 }
1409
867959b5 1410 for (unsigned c = 0; c < vd->vdev_children; c++)
34dc7c2f
BB		 1411 dump_dtl(vd->vdev_child[c], indent + 4);
1412}
1413
428870ff
BB		 1414static void
1415dump_history(spa_t *spa)
1416{
1417 nvlist_t **events = NULL;
017da6f0 1418 char *buf;
428870ff
BB		 1419 uint64_t resid, len, off = 0;
1420 uint_t num = 0;
1421 int error;
1422 time_t tsec;
1423 struct tm t;
1424 char tbuf[30];
1425 char internalstr[MAXPATHLEN];
1426
017da6f0
DB		 1427 if ((buf = malloc(SPA_OLD_MAXBLOCKSIZE)) == NULL) {
1428 (void) fprintf(stderr, "%s: unable to allocate I/O buffer\n",
1429 __func__);
1430 return;
1431 }
1432
428870ff 1433 do {
017da6f0 1434 len = SPA_OLD_MAXBLOCKSIZE;
428870ff
BB		 1435
1436 if ((error = spa_history_get(spa, &off, &len, buf)) != 0) {
1437 (void) fprintf(stderr, "Unable to read history: "
1438 "error %d\n", error);
017da6f0 1439 free(buf);
428870ff
BB		 1440 return;
1441 }
1442
1443 if (zpool_history_unpack(buf, len, &resid, &events, &num) != 0)
1444 break;
1445
1446 off -= resid;
1447 } while (len != 0);
1448
1449 (void) printf("\nHistory:\n");
867959b5 1450 for (unsigned i = 0; i < num; i++) {
428870ff
BB		 1451 uint64_t time, txg, ievent;
1452 char *cmd, *intstr;
6f1ffb06 1453 boolean_t printed = B_FALSE;
428870ff
BB		 1454
1455 if (nvlist_lookup_uint64(events[i], ZPOOL_HIST_TIME,
1456 &time) != 0)
6f1ffb06 1457 goto next;
428870ff
BB		 1458 if (nvlist_lookup_string(events[i], ZPOOL_HIST_CMD,
1459 &cmd) != 0) {
1460 if (nvlist_lookup_uint64(events[i],
1461 ZPOOL_HIST_INT_EVENT, &ievent) != 0)
6f1ffb06 1462 goto next;
428870ff
BB		 1463 verify(nvlist_lookup_uint64(events[i],
1464 ZPOOL_HIST_TXG, &txg) == 0);
1465 verify(nvlist_lookup_string(events[i],
1466 ZPOOL_HIST_INT_STR, &intstr) == 0);
6f1ffb06
MA		 1467 if (ievent >= ZFS_NUM_LEGACY_HISTORY_EVENTS)
1468 goto next;
428870ff
BB		 1469
1470 (void) snprintf(internalstr,
1471 sizeof (internalstr),
1472 "[internal %s txg:%lld] %s",
b8864a23
BB		 1473 zfs_history_event_names[ievent],
1474 (longlong_t)txg, intstr);
428870ff
BB		 1475 cmd = internalstr;
1476 }
1477 tsec = time;
1478 (void) localtime_r(&tsec, &t);
1479 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t);
1480 (void) printf("%s %s\n", tbuf, cmd);
6f1ffb06
MA		 1481 printed = B_TRUE;
1482
1483next:
1484 if (dump_opt['h'] > 1) {
1485 if (!printed)
1486 (void) printf("unrecognized record:\n");
1487 dump_nvlist(events[i], 2);
1488 }
428870ff 1489 }
017da6f0 1490 free(buf);
428870ff
BB		 1491}
1492
34dc7c2f
BB		 1493/*ARGSUSED*/
1494static void
1495dump_dnode(objset_t *os, uint64_t object, void *data, size_t size)
1496{
1497}
1498
1499static uint64_t
5dbd68a3
MA		 1500blkid2offset(const dnode_phys_t *dnp, const blkptr_t *bp,
1501 const zbookmark_phys_t *zb)
34dc7c2f 1502{
428870ff
BB		 1503 if (dnp == NULL) {
1504 ASSERT(zb->zb_level < 0);
1505 if (zb->zb_object == 0)
1506 return (zb->zb_blkid);
1507 return (zb->zb_blkid * BP_GET_LSIZE(bp));
1508 }
1509
1510 ASSERT(zb->zb_level >= 0);
34dc7c2f 1511
428870ff
BB		 1512 return ((zb->zb_blkid <<
1513 (zb->zb_level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) *
34dc7c2f
BB		 1514 dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT);
1515}
1516
1517static void
37f03da8
SH		 1518snprintf_blkptr_compact(char *blkbuf, size_t buflen, const blkptr_t *bp,
1519 boolean_t bp_freed)
34dc7c2f 1520{
428870ff
BB		 1521 const dva_t *dva = bp->blk_dva;
1522 int ndvas = dump_opt['d'] > 5 ? BP_GET_NDVAS(bp) : 1;
d6320ddb 1523 int i;
428870ff 1524
d5869641 1525 if (dump_opt['b'] >= 6) {
b0bc7a84 1526 snprintf_blkptr(blkbuf, buflen, bp);
37f03da8
SH		 1527 if (bp_freed) {
1528 (void) snprintf(blkbuf + strlen(blkbuf),
1529 buflen - strlen(blkbuf), " %s", "FREE");
1530 }
428870ff
BB		 1531 return;
1532 }
34dc7c2f 1533
9b67f605
MA		 1534 if (BP_IS_EMBEDDED(bp)) {
1535 (void) sprintf(blkbuf,
1536 "EMBEDDED et=%u %llxL/%llxP B=%llu",
1537 (int)BPE_GET_ETYPE(bp),
1538 (u_longlong_t)BPE_GET_LSIZE(bp),
1539 (u_longlong_t)BPE_GET_PSIZE(bp),
1540 (u_longlong_t)bp->blk_birth);
1541 return;
1542 }
1543
34dc7c2f
BB		 1544 blkbuf[0] = '\0';
1545
d6320ddb 1546 for (i = 0; i < ndvas; i++)
b0bc7a84
MG		 1547 (void) snprintf(blkbuf + strlen(blkbuf),
1548 buflen - strlen(blkbuf), "%llu:%llx:%llx ",
34dc7c2f
BB		 1549 (u_longlong_t)DVA_GET_VDEV(&dva[i]),
1550 (u_longlong_t)DVA_GET_OFFSET(&dva[i]),
1551 (u_longlong_t)DVA_GET_ASIZE(&dva[i]));
1552
b0bc7a84
MG		 1553 if (BP_IS_HOLE(bp)) {
1554 (void) snprintf(blkbuf + strlen(blkbuf),
a4069eef
PS		 1555 buflen - strlen(blkbuf),
1556 "%llxL B=%llu",
1557 (u_longlong_t)BP_GET_LSIZE(bp),
b0bc7a84
MG		 1558 (u_longlong_t)bp->blk_birth);
1559 } else {
1560 (void) snprintf(blkbuf + strlen(blkbuf),
1561 buflen - strlen(blkbuf),
1562 "%llxL/%llxP F=%llu B=%llu/%llu",
1563 (u_longlong_t)BP_GET_LSIZE(bp),
1564 (u_longlong_t)BP_GET_PSIZE(bp),
9b67f605 1565 (u_longlong_t)BP_GET_FILL(bp),
b0bc7a84
MG		 1566 (u_longlong_t)bp->blk_birth,
1567 (u_longlong_t)BP_PHYSICAL_BIRTH(bp));
37f03da8
SH		 1568 if (bp_freed)
1569 (void) snprintf(blkbuf + strlen(blkbuf),
1570 buflen - strlen(blkbuf), " %s", "FREE");
8b3438e5
NB		 1571 (void) snprintf(blkbuf + strlen(blkbuf),
1572 buflen - strlen(blkbuf), " cksum=%llx:%llx:%llx:%llx",
1573 (u_longlong_t)bp->blk_cksum.zc_word[0],
1574 (u_longlong_t)bp->blk_cksum.zc_word[1],
1575 (u_longlong_t)bp->blk_cksum.zc_word[2],
1576 (u_longlong_t)bp->blk_cksum.zc_word[3]);
b0bc7a84 1577 }
34dc7c2f
BB		 1578}
1579
b128c09f 1580static void
5dbd68a3 1581print_indirect(blkptr_t *bp, const zbookmark_phys_t *zb,
b128c09f 1582 const dnode_phys_t *dnp)
34dc7c2f 1583{
b128c09f 1584 char blkbuf[BP_SPRINTF_LEN];
34dc7c2f
BB		 1585 int l;
1586
9b67f605
MA		 1587 if (!BP_IS_EMBEDDED(bp)) {
1588 ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type);
1589 ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level);
1590 }
34dc7c2f 1591
428870ff 1592 (void) printf("%16llx ", (u_longlong_t)blkid2offset(dnp, bp, zb));
34dc7c2f
BB		 1593
1594 ASSERT(zb->zb_level >= 0);
1595
1596 for (l = dnp->dn_nlevels - 1; l >= -1; l--) {
1597 if (l == zb->zb_level) {
b128c09f 1598 (void) printf("L%llx", (u_longlong_t)zb->zb_level);
34dc7c2f 1599 } else {
b128c09f 1600 (void) printf(" ");
34dc7c2f
BB		 1601 }
1602 }
1603
37f03da8 1604 snprintf_blkptr_compact(blkbuf, sizeof (blkbuf), bp, B_FALSE);
b128c09f
BB		 1605 (void) printf("%s\n", blkbuf);
1606}
1607
b128c09f
BB		 1608static int
1609visit_indirect(spa_t *spa, const dnode_phys_t *dnp,
5dbd68a3 1610 blkptr_t *bp, const zbookmark_phys_t *zb)
b128c09f 1611{
428870ff 1612 int err = 0;
b128c09f
BB		 1613
1614 if (bp->blk_birth == 0)
1615 return (0);
1616
1617 print_indirect(bp, zb, dnp);
1618
b0bc7a84 1619 if (BP_GET_LEVEL(bp) > 0 && !BP_IS_HOLE(bp)) {
2a432414 1620 arc_flags_t flags = ARC_FLAG_WAIT;
b128c09f
BB		 1621 int i;
1622 blkptr_t *cbp;
1623 int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT;
1624 arc_buf_t *buf;
1625 uint64_t fill = 0;
30af21b0 1626 ASSERT(!BP_IS_REDACTED(bp));
b128c09f 1627
294f6806 1628 err = arc_read(NULL, spa, bp, arc_getbuf_func, &buf,
b128c09f
BB		 1629 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb);
1630 if (err)
1631 return (err);
428870ff 1632 ASSERT(buf->b_data);
b128c09f
BB		 1633
1634 /* recursively visit blocks below this */
1635 cbp = buf->b_data;
1636 for (i = 0; i < epb; i++, cbp++) {
5dbd68a3 1637 zbookmark_phys_t czb;
b128c09f
BB		 1638
1639 SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object,
1640 zb->zb_level - 1,
1641 zb->zb_blkid * epb + i);
1642 err = visit_indirect(spa, dnp, cbp, &czb);
1643 if (err)
1644 break;
9b67f605 1645 fill += BP_GET_FILL(cbp);
b128c09f 1646 }
fb5f0bc8 1647 if (!err)
9b67f605 1648 ASSERT3U(fill, ==, BP_GET_FILL(bp));
d3c2ae1c 1649 arc_buf_destroy(buf, &buf);
34dc7c2f
BB		 1650 }
1651
b128c09f 1652 return (err);
34dc7c2f
BB		 1653}
1654
1655/*ARGSUSED*/
1656static void
b128c09f 1657dump_indirect(dnode_t *dn)
34dc7c2f 1658{
b128c09f
BB		 1659 dnode_phys_t *dnp = dn->dn_phys;
1660 int j;
5dbd68a3 1661 zbookmark_phys_t czb;
34dc7c2f
BB		 1662
1663 (void) printf("Indirect blocks:\n");
1664
428870ff 1665 SET_BOOKMARK(&czb, dmu_objset_id(dn->dn_objset),
b128c09f
BB		 1666 dn->dn_object, dnp->dn_nlevels - 1, 0);
1667 for (j = 0; j < dnp->dn_nblkptr; j++) {
1668 czb.zb_blkid = j;
428870ff 1669 (void) visit_indirect(dmu_objset_spa(dn->dn_objset), dnp,
b128c09f
BB		 1670 &dnp->dn_blkptr[j], &czb);
1671 }
34dc7c2f
BB		 1672
1673 (void) printf("\n");
34dc7c2f
BB		 1674}
1675
1676/*ARGSUSED*/
1677static void
1678dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size)
1679{
1680 dsl_dir_phys_t *dd = data;
1681 time_t crtime;
428870ff 1682 char nice[32];
34dc7c2f 1683
f3c8c9e6
JK		 1684 /* make sure nicenum has enough space */
1685 CTASSERT(sizeof (nice) >= NN_NUMBUF_SZ);
1686
34dc7c2f
BB		 1687 if (dd == NULL)
1688 return;
1689
1690 ASSERT3U(size, >=, sizeof (dsl_dir_phys_t));
1691
1692 crtime = dd->dd_creation_time;
34dc7c2f
BB		 1693 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
1694 (void) printf("\t\thead_dataset_obj = %llu\n",
1695 (u_longlong_t)dd->dd_head_dataset_obj);
1696 (void) printf("\t\tparent_dir_obj = %llu\n",
1697 (u_longlong_t)dd->dd_parent_obj);
1698 (void) printf("\t\torigin_obj = %llu\n",
1699 (u_longlong_t)dd->dd_origin_obj);
1700 (void) printf("\t\tchild_dir_zapobj = %llu\n",
1701 (u_longlong_t)dd->dd_child_dir_zapobj);
f3c8c9e6 1702 zdb_nicenum(dd->dd_used_bytes, nice, sizeof (nice));
b128c09f 1703 (void) printf("\t\tused_bytes = %s\n", nice);
f3c8c9e6 1704 zdb_nicenum(dd->dd_compressed_bytes, nice, sizeof (nice));
b128c09f 1705 (void) printf("\t\tcompressed_bytes = %s\n", nice);
f3c8c9e6 1706 zdb_nicenum(dd->dd_uncompressed_bytes, nice, sizeof (nice));
b128c09f 1707 (void) printf("\t\tuncompressed_bytes = %s\n", nice);
f3c8c9e6 1708 zdb_nicenum(dd->dd_quota, nice, sizeof (nice));
b128c09f 1709 (void) printf("\t\tquota = %s\n", nice);
f3c8c9e6 1710 zdb_nicenum(dd->dd_reserved, nice, sizeof (nice));
b128c09f 1711 (void) printf("\t\treserved = %s\n", nice);
34dc7c2f
BB		 1712 (void) printf("\t\tprops_zapobj = %llu\n",
1713 (u_longlong_t)dd->dd_props_zapobj);
1714 (void) printf("\t\tdeleg_zapobj = %llu\n",
1715 (u_longlong_t)dd->dd_deleg_zapobj);
b128c09f
BB		 1716 (void) printf("\t\tflags = %llx\n",
1717 (u_longlong_t)dd->dd_flags);
1718
1719#define DO(which) \
f3c8c9e6
JK		 1720 zdb_nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice, \
1721 sizeof (nice)); \
b128c09f
BB		 1722 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice)
1723 DO(HEAD);
1724 DO(SNAP);
1725 DO(CHILD);
1726 DO(CHILD_RSRV);
1727 DO(REFRSRV);
1728#undef DO
0aa5916a
MA		 1729 (void) printf("\t\tclones = %llu\n",
1730 (u_longlong_t)dd->dd_clones);
34dc7c2f
BB		 1731}
1732
1733/*ARGSUSED*/
1734static void
1735dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size)
1736{
1737 dsl_dataset_phys_t *ds = data;
1738 time_t crtime;
428870ff 1739 char used[32], compressed[32], uncompressed[32], unique[32];
34dc7c2f
BB		 1740 char blkbuf[BP_SPRINTF_LEN];
1741
f3c8c9e6
JK		 1742 /* make sure nicenum has enough space */
1743 CTASSERT(sizeof (used) >= NN_NUMBUF_SZ);
1744 CTASSERT(sizeof (compressed) >= NN_NUMBUF_SZ);
1745 CTASSERT(sizeof (uncompressed) >= NN_NUMBUF_SZ);
1746 CTASSERT(sizeof (unique) >= NN_NUMBUF_SZ);
1747
34dc7c2f
BB		 1748 if (ds == NULL)
1749 return;
1750
1751 ASSERT(size == sizeof (*ds));
1752 crtime = ds->ds_creation_time;
f3c8c9e6
JK		 1753 zdb_nicenum(ds->ds_referenced_bytes, used, sizeof (used));
1754 zdb_nicenum(ds->ds_compressed_bytes, compressed, sizeof (compressed));
1755 zdb_nicenum(ds->ds_uncompressed_bytes, uncompressed,
1756 sizeof (uncompressed));
1757 zdb_nicenum(ds->ds_unique_bytes, unique, sizeof (unique));
b0bc7a84 1758 snprintf_blkptr(blkbuf, sizeof (blkbuf), &ds->ds_bp);
34dc7c2f 1759
b128c09f 1760 (void) printf("\t\tdir_obj = %llu\n",
34dc7c2f
BB		 1761 (u_longlong_t)ds->ds_dir_obj);
1762 (void) printf("\t\tprev_snap_obj = %llu\n",
1763 (u_longlong_t)ds->ds_prev_snap_obj);
1764 (void) printf("\t\tprev_snap_txg = %llu\n",
1765 (u_longlong_t)ds->ds_prev_snap_txg);
1766 (void) printf("\t\tnext_snap_obj = %llu\n",
1767 (u_longlong_t)ds->ds_next_snap_obj);
1768 (void) printf("\t\tsnapnames_zapobj = %llu\n",
1769 (u_longlong_t)ds->ds_snapnames_zapobj);
1770 (void) printf("\t\tnum_children = %llu\n",
1771 (u_longlong_t)ds->ds_num_children);
45d1cae3
BB		 1772 (void) printf("\t\tuserrefs_obj = %llu\n",
1773 (u_longlong_t)ds->ds_userrefs_obj);
34dc7c2f
BB		 1774 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
1775 (void) printf("\t\tcreation_txg = %llu\n",
1776 (u_longlong_t)ds->ds_creation_txg);
1777 (void) printf("\t\tdeadlist_obj = %llu\n",
1778 (u_longlong_t)ds->ds_deadlist_obj);
1779 (void) printf("\t\tused_bytes = %s\n", used);
1780 (void) printf("\t\tcompressed_bytes = %s\n", compressed);
1781 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed);
1782 (void) printf("\t\tunique = %s\n", unique);
1783 (void) printf("\t\tfsid_guid = %llu\n",
1784 (u_longlong_t)ds->ds_fsid_guid);
1785 (void) printf("\t\tguid = %llu\n",
1786 (u_longlong_t)ds->ds_guid);
1787 (void) printf("\t\tflags = %llx\n",
1788 (u_longlong_t)ds->ds_flags);
b128c09f
BB		 1789 (void) printf("\t\tnext_clones_obj = %llu\n",
1790 (u_longlong_t)ds->ds_next_clones_obj);
1791 (void) printf("\t\tprops_obj = %llu\n",
1792 (u_longlong_t)ds->ds_props_obj);
34dc7c2f
BB		 1793 (void) printf("\t\tbp = %s\n", blkbuf);
1794}
1795
9ae529ec
CS		 1796/* ARGSUSED */
1797static int
1798dump_bptree_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
1799{
1800 char blkbuf[BP_SPRINTF_LEN];
1801
1802 if (bp->blk_birth != 0) {
b0bc7a84 1803 snprintf_blkptr(blkbuf, sizeof (blkbuf), bp);
9ae529ec
CS		 1804 (void) printf("\t%s\n", blkbuf);
1805 }
1806 return (0);
1807}
1808
1809static void
867959b5 1810dump_bptree(objset_t *os, uint64_t obj, const char *name)
9ae529ec
CS		 1811{
1812 char bytes[32];
1813 bptree_phys_t *bt;
1814 dmu_buf_t *db;
1815
f3c8c9e6
JK		 1816 /* make sure nicenum has enough space */
1817 CTASSERT(sizeof (bytes) >= NN_NUMBUF_SZ);
1818
9ae529ec
CS		 1819 if (dump_opt['d'] < 3)
1820 return;
1821
1822 VERIFY3U(0, ==, dmu_bonus_hold(os, obj, FTAG, &db));
1823 bt = db->db_data;
f3c8c9e6 1824 zdb_nicenum(bt->bt_bytes, bytes, sizeof (bytes));
9ae529ec
CS		 1825 (void) printf("\n %s: %llu datasets, %s\n",
1826 name, (unsigned long long)(bt->bt_end - bt->bt_begin), bytes);
1827 dmu_buf_rele(db, FTAG);
1828
1829 if (dump_opt['d'] < 5)
1830 return;
1831
1832 (void) printf("\n");
1833
1834 (void) bptree_iterate(os, obj, B_FALSE, dump_bptree_cb, NULL, NULL);
1835}
1836
428870ff
BB		 1837/* ARGSUSED */
1838static int
37f03da8 1839dump_bpobj_cb(void *arg, const blkptr_t *bp, boolean_t bp_freed, dmu_tx_t *tx)
428870ff
BB		 1840{
1841 char blkbuf[BP_SPRINTF_LEN];
1842
1843 ASSERT(bp->blk_birth != 0);
37f03da8 1844 snprintf_blkptr_compact(blkbuf, sizeof (blkbuf), bp, bp_freed);
428870ff
BB		 1845 (void) printf("\t%s\n", blkbuf);
1846 return (0);
1847}
1848
34dc7c2f 1849static void
867959b5 1850dump_full_bpobj(bpobj_t *bpo, const char *name, int indent)
34dc7c2f 1851{
428870ff
BB		 1852 char bytes[32];
1853 char comp[32];
1854 char uncomp[32];
d1fada1e 1855 uint64_t i;
34dc7c2f 1856
f3c8c9e6
JK		 1857 /* make sure nicenum has enough space */
1858 CTASSERT(sizeof (bytes) >= NN_NUMBUF_SZ);
1859 CTASSERT(sizeof (comp) >= NN_NUMBUF_SZ);
1860 CTASSERT(sizeof (uncomp) >= NN_NUMBUF_SZ);
1861
34dc7c2f
BB		 1862 if (dump_opt['d'] < 3)
1863 return;
1864
f3c8c9e6 1865 zdb_nicenum(bpo->bpo_phys->bpo_bytes, bytes, sizeof (bytes));
d1fada1e 1866 if (bpo->bpo_havesubobj && bpo->bpo_phys->bpo_subobjs != 0) {
f3c8c9e6
JK		 1867 zdb_nicenum(bpo->bpo_phys->bpo_comp, comp, sizeof (comp));
1868 zdb_nicenum(bpo->bpo_phys->bpo_uncomp, uncomp, sizeof (uncomp));
37f03da8
SH		 1869 if (bpo->bpo_havefreed) {
1870 (void) printf(" %*s: object %llu, %llu local "
1871 "blkptrs, %llu freed, %llu subobjs in object %llu, "
1872 "%s (%s/%s comp)\n",
1873 indent * 8, name,
1874 (u_longlong_t)bpo->bpo_object,
1875 (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs,
1876 (u_longlong_t)bpo->bpo_phys->bpo_num_freed,
1877 (u_longlong_t)bpo->bpo_phys->bpo_num_subobjs,
1878 (u_longlong_t)bpo->bpo_phys->bpo_subobjs,
1879 bytes, comp, uncomp);
1880 } else {
1881 (void) printf(" %*s: object %llu, %llu local "
1882 "blkptrs, %llu subobjs in object %llu, "
1883 "%s (%s/%s comp)\n",
1884 indent * 8, name,
1885 (u_longlong_t)bpo->bpo_object,
1886 (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs,
1887 (u_longlong_t)bpo->bpo_phys->bpo_num_subobjs,
1888 (u_longlong_t)bpo->bpo_phys->bpo_subobjs,
1889 bytes, comp, uncomp);
1890 }
d1fada1e
MA		 1891
1892 for (i = 0; i < bpo->bpo_phys->bpo_num_subobjs; i++) {
1893 uint64_t subobj;
1894 bpobj_t subbpo;
1895 int error;
1896 VERIFY0(dmu_read(bpo->bpo_os,
1897 bpo->bpo_phys->bpo_subobjs,
1898 i * sizeof (subobj), sizeof (subobj), &subobj, 0));
1899 error = bpobj_open(&subbpo, bpo->bpo_os, subobj);
1900 if (error != 0) {
1901 (void) printf("ERROR %u while trying to open "
1902 "subobj id %llu\n",
1903 error, (u_longlong_t)subobj);
1904 continue;
1905 }
252e1a54 1906 dump_full_bpobj(&subbpo, "subobj", indent + 1);
07434858 1907 bpobj_close(&subbpo);
d1fada1e 1908 }
34dc7c2f 1909 } else {
37f03da8
SH		 1910 if (bpo->bpo_havefreed) {
1911 (void) printf(" %*s: object %llu, %llu blkptrs, "
1912 "%llu freed, %s\n",
1913 indent * 8, name,
1914 (u_longlong_t)bpo->bpo_object,
1915 (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs,
1916 (u_longlong_t)bpo->bpo_phys->bpo_num_freed,
1917 bytes);
1918 } else {
1919 (void) printf(" %*s: object %llu, %llu blkptrs, "
1920 "%s\n",
1921 indent * 8, name,
1922 (u_longlong_t)bpo->bpo_object,
1923 (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs,
1924 bytes);
1925 }
34dc7c2f
BB		 1926 }
1927
428870ff 1928 if (dump_opt['d'] < 5)
34dc7c2f 1929 return;
34dc7c2f 1930
34dc7c2f 1931
d1fada1e
MA		 1932 if (indent == 0) {
1933 (void) bpobj_iterate_nofree(bpo, dump_bpobj_cb, NULL, NULL);
1934 (void) printf("\n");
1935 }
428870ff 1936}
34dc7c2f 1937
30af21b0
PD		 1938static int
1939dump_bookmark(dsl_pool_t *dp, char *name, boolean_t print_redact,
1940 boolean_t print_list)
1941{
1942 int err = 0;
1943 zfs_bookmark_phys_t prop;
1944 objset_t *mos = dp->dp_spa->spa_meta_objset;
1945 err = dsl_bookmark_lookup(dp, name, NULL, &prop);
1946
1947 if (err != 0) {
1948 return (err);
1949 }
1950
1951 (void) printf("\t#%s: ", strchr(name, '#') + 1);
1952 (void) printf("{guid: %llx creation_txg: %llu creation_time: "
1953 "%llu redaction_obj: %llu}\n", (u_longlong_t)prop.zbm_guid,
1954 (u_longlong_t)prop.zbm_creation_txg,
1955 (u_longlong_t)prop.zbm_creation_time,
1956 (u_longlong_t)prop.zbm_redaction_obj);
1957
1958 IMPLY(print_list, print_redact);
1959 if (!print_redact || prop.zbm_redaction_obj == 0)
1960 return (0);
1961
1962 redaction_list_t *rl;
1963 VERIFY0(dsl_redaction_list_hold_obj(dp,
1964 prop.zbm_redaction_obj, FTAG, &rl));
1965
1966 redaction_list_phys_t *rlp = rl->rl_phys;
1967 (void) printf("\tRedacted:\n\t\tProgress: ");
1968 if (rlp->rlp_last_object != UINT64_MAX ||
1969 rlp->rlp_last_blkid != UINT64_MAX) {
1970 (void) printf("%llu %llu (incomplete)\n",
1971 (u_longlong_t)rlp->rlp_last_object,
1972 (u_longlong_t)rlp->rlp_last_blkid);
1973 } else {
1974 (void) printf("complete\n");
1975 }
1976 (void) printf("\t\tSnapshots: [");
1977 for (unsigned int i = 0; i < rlp->rlp_num_snaps; i++) {
1978 if (i > 0)
1979 (void) printf(", ");
1980 (void) printf("%0llu",
1981 (u_longlong_t)rlp->rlp_snaps[i]);
1982 }
1983 (void) printf("]\n\t\tLength: %llu\n",
1984 (u_longlong_t)rlp->rlp_num_entries);
1985
1986 if (!print_list) {
1987 dsl_redaction_list_rele(rl, FTAG);
1988 return (0);
1989 }
1990
1991 if (rlp->rlp_num_entries == 0) {
1992 dsl_redaction_list_rele(rl, FTAG);
1993 (void) printf("\t\tRedaction List: []\n\n");
1994 return (0);
1995 }
1996
1997 redact_block_phys_t *rbp_buf;
1998 uint64_t size;
1999 dmu_object_info_t doi;
2000
2001 VERIFY0(dmu_object_info(mos, prop.zbm_redaction_obj, &doi));
2002 size = doi.doi_max_offset;
2003 rbp_buf = kmem_alloc(size, KM_SLEEP);
2004
2005 err = dmu_read(mos, prop.zbm_redaction_obj, 0, size,
2006 rbp_buf, 0);
2007 if (err != 0) {
2008 dsl_redaction_list_rele(rl, FTAG);
2009 kmem_free(rbp_buf, size);
2010 return (err);
2011 }
2012
2013 (void) printf("\t\tRedaction List: [{object: %llx, offset: "
2014 "%llx, blksz: %x, count: %llx}",
2015 (u_longlong_t)rbp_buf[0].rbp_object,
2016 (u_longlong_t)rbp_buf[0].rbp_blkid,
2017 (uint_t)(redact_block_get_size(&rbp_buf[0])),
2018 (u_longlong_t)redact_block_get_count(&rbp_buf[0]));
2019
2020 for (size_t i = 1; i < rlp->rlp_num_entries; i++) {
2021 (void) printf(",\n\t\t{object: %llx, offset: %llx, "
2022 "blksz: %x, count: %llx}",
2023 (u_longlong_t)rbp_buf[i].rbp_object,
2024 (u_longlong_t)rbp_buf[i].rbp_blkid,
2025 (uint_t)(redact_block_get_size(&rbp_buf[i])),
2026 (u_longlong_t)redact_block_get_count(&rbp_buf[i]));
2027 }
2028 dsl_redaction_list_rele(rl, FTAG);
2029 kmem_free(rbp_buf, size);
2030 (void) printf("]\n\n");
2031 return (0);
2032}
2033
2034static void
2035dump_bookmarks(objset_t *os, int verbosity)
2036{
2037 zap_cursor_t zc;
2038 zap_attribute_t attr;
2039 dsl_dataset_t *ds = dmu_objset_ds(os);
2040 dsl_pool_t *dp = spa_get_dsl(os->os_spa);
2041 objset_t *mos = os->os_spa->spa_meta_objset;
2042 if (verbosity < 4)
2043 return;
2044 dsl_pool_config_enter(dp, FTAG);
2045
2046 for (zap_cursor_init(&zc, mos, ds->ds_bookmarks_obj);
2047 zap_cursor_retrieve(&zc, &attr) == 0;
2048 zap_cursor_advance(&zc)) {
2049 char osname[ZFS_MAX_DATASET_NAME_LEN];
2050 char buf[ZFS_MAX_DATASET_NAME_LEN];
2051 dmu_objset_name(os, osname);
5279ae91 2052 VERIFY3S(0, <=, snprintf(buf, sizeof (buf), "%s#%s", osname,
30af21b0
PD		 2053 attr.za_name));
2054 (void) dump_bookmark(dp, buf, verbosity >= 5, verbosity >= 6);
2055 }
2056 zap_cursor_fini(&zc);
2057 dsl_pool_config_exit(dp, FTAG);
2058}
2059
0aa5916a
MA		 2060static void
2061bpobj_count_refd(bpobj_t *bpo)
2062{
2063 mos_obj_refd(bpo->bpo_object);
2064
2065 if (bpo->bpo_havesubobj && bpo->bpo_phys->bpo_subobjs != 0) {
2066 mos_obj_refd(bpo->bpo_phys->bpo_subobjs);
2067 for (uint64_t i = 0; i < bpo->bpo_phys->bpo_num_subobjs; i++) {
2068 uint64_t subobj;
2069 bpobj_t subbpo;
2070 int error;
2071 VERIFY0(dmu_read(bpo->bpo_os,
2072 bpo->bpo_phys->bpo_subobjs,
2073 i * sizeof (subobj), sizeof (subobj), &subobj, 0));
2074 error = bpobj_open(&subbpo, bpo->bpo_os, subobj);
2075 if (error != 0) {
2076 (void) printf("ERROR %u while trying to open "
2077 "subobj id %llu\n",
2078 error, (u_longlong_t)subobj);
2079 continue;
2080 }
2081 bpobj_count_refd(&subbpo);
2082 bpobj_close(&subbpo);
2083 }
2084 }
2085}
2086
37f03da8
SH		 2087static int
2088dsl_deadlist_entry_count_refd(void *arg, dsl_deadlist_entry_t *dle)
2089{
2090 spa_t *spa = arg;
2091 uint64_t empty_bpobj = spa->spa_dsl_pool->dp_empty_bpobj;
2092 if (dle->dle_bpobj.bpo_object != empty_bpobj)
2093 bpobj_count_refd(&dle->dle_bpobj);
2094 return (0);
2095}
2096
2097static int
2098dsl_deadlist_entry_dump(void *arg, dsl_deadlist_entry_t *dle)
2099{
2100 ASSERT(arg == NULL);
2101 if (dump_opt['d'] >= 5) {
2102 char buf[128];
2103 (void) snprintf(buf, sizeof (buf),
2104 "mintxg %llu -> obj %llu",
2105 (longlong_t)dle->dle_mintxg,
2106 (longlong_t)dle->dle_bpobj.bpo_object);
2107
2108 dump_full_bpobj(&dle->dle_bpobj, buf, 0);
2109 } else {
2110 (void) printf("mintxg %llu -> obj %llu\n",
2111 (longlong_t)dle->dle_mintxg,
2112 (longlong_t)dle->dle_bpobj.bpo_object);
2113 }
2114 return (0);
2115}
2116
428870ff 2117static void
37f03da8 2118dump_blkptr_list(dsl_deadlist_t *dl, char *name)
428870ff 2119{
428870ff
BB		 2120 char bytes[32];
2121 char comp[32];
2122 char uncomp[32];
37f03da8
SH		 2123 char entries[32];
2124 spa_t *spa = dmu_objset_spa(dl->dl_os);
2125 uint64_t empty_bpobj = spa->spa_dsl_pool->dp_empty_bpobj;
0aa5916a
MA		 2126
2127 if (dl->dl_oldfmt) {
2128 if (dl->dl_bpobj.bpo_object != empty_bpobj)
2129 bpobj_count_refd(&dl->dl_bpobj);
2130 } else {
2131 mos_obj_refd(dl->dl_object);
37f03da8 2132 dsl_deadlist_iterate(dl, dsl_deadlist_entry_count_refd, spa);
0aa5916a 2133 }
428870ff 2134
f3c8c9e6
JK		 2135 /* make sure nicenum has enough space */
2136 CTASSERT(sizeof (bytes) >= NN_NUMBUF_SZ);
2137 CTASSERT(sizeof (comp) >= NN_NUMBUF_SZ);
2138 CTASSERT(sizeof (uncomp) >= NN_NUMBUF_SZ);
37f03da8 2139 CTASSERT(sizeof (entries) >= NN_NUMBUF_SZ);
f3c8c9e6 2140
428870ff
BB		 2141 if (dump_opt['d'] < 3)
2142 return;
34dc7c2f 2143
acf58e70 2144 if (dl->dl_oldfmt) {
252e1a54 2145 dump_full_bpobj(&dl->dl_bpobj, "old-format deadlist", 0);
acf58e70
MA		 2146 return;
2147 }
2148
f3c8c9e6
JK		 2149 zdb_nicenum(dl->dl_phys->dl_used, bytes, sizeof (bytes));
2150 zdb_nicenum(dl->dl_phys->dl_comp, comp, sizeof (comp));
2151 zdb_nicenum(dl->dl_phys->dl_uncomp, uncomp, sizeof (uncomp));
37f03da8
SH		 2152 zdb_nicenum(avl_numnodes(&dl->dl_tree), entries, sizeof (entries));
2153 (void) printf("\n %s: %s (%s/%s comp), %s entries\n",
2154 name, bytes, comp, uncomp, entries);
428870ff
BB		 2155
2156 if (dump_opt['d'] < 4)
2157 return;
2158
2159 (void) printf("\n");
2160
37f03da8
SH		 2161 dsl_deadlist_iterate(dl, dsl_deadlist_entry_dump, NULL);
2162}
428870ff 2163
37f03da8
SH		 2164static int
2165verify_dd_livelist(objset_t *os)
2166{
2167 uint64_t ll_used, used, ll_comp, comp, ll_uncomp, uncomp;
2168 dsl_pool_t *dp = spa_get_dsl(os->os_spa);
2169 dsl_dir_t *dd = os->os_dsl_dataset->ds_dir;
2170
2171 ASSERT(!dmu_objset_is_snapshot(os));
2172 if (!dsl_deadlist_is_open(&dd->dd_livelist))
2173 return (0);
2174 dsl_pool_config_enter(dp, FTAG);
2175 dsl_deadlist_space(&dd->dd_livelist, &ll_used,
2176 &ll_comp, &ll_uncomp);
2177
2178 dsl_dataset_t *origin_ds;
2179 ASSERT(dsl_pool_config_held(dp));
2180 VERIFY0(dsl_dataset_hold_obj(dp,
2181 dsl_dir_phys(dd)->dd_origin_obj, FTAG, &origin_ds));
2182 VERIFY0(dsl_dataset_space_written(origin_ds, os->os_dsl_dataset,
2183 &used, &comp, &uncomp));
2184 dsl_dataset_rele(origin_ds, FTAG);
2185 dsl_pool_config_exit(dp, FTAG);
2186 /*
2187 * It's possible that the dataset's uncomp space is larger than the
2188 * livelist's because livelists do not track embedded block pointers
2189 */
2190 if (used != ll_used || comp != ll_comp || uncomp < ll_uncomp) {
2191 char nice_used[32], nice_comp[32], nice_uncomp[32];
2192 (void) printf("Discrepancy in space accounting:\n");
2193 zdb_nicenum(used, nice_used, sizeof (nice_used));
2194 zdb_nicenum(comp, nice_comp, sizeof (nice_comp));
2195 zdb_nicenum(uncomp, nice_uncomp, sizeof (nice_uncomp));
2196 (void) printf("dir: used %s, comp %s, uncomp %s\n",
2197 nice_used, nice_comp, nice_uncomp);
2198 zdb_nicenum(ll_used, nice_used, sizeof (nice_used));
2199 zdb_nicenum(ll_comp, nice_comp, sizeof (nice_comp));
2200 zdb_nicenum(ll_uncomp, nice_uncomp, sizeof (nice_uncomp));
2201 (void) printf("livelist: used %s, comp %s, uncomp %s\n",
2202 nice_used, nice_comp, nice_uncomp);
2203 return (1);
428870ff 2204 }
37f03da8 2205 return (0);
34dc7c2f
BB		 2206}
2207
2208static avl_tree_t idx_tree;
2209static avl_tree_t domain_tree;
2210static boolean_t fuid_table_loaded;
a44e7faa
BB		 2211static objset_t *sa_os = NULL;
2212static sa_attr_type_t *sa_attr_table = NULL;
2213
2214static int
30af21b0 2215open_objset(const char *path, void *tag, objset_t **osp)
a44e7faa
BB		 2216{
2217 int err;
2218 uint64_t sa_attrs = 0;
2219 uint64_t version = 0;
2220
2221 VERIFY3P(sa_os, ==, NULL);
30af21b0
PD		 2222 /*
2223 * We can't own an objset if it's redacted. Therefore, we do this
2224 * dance: hold the objset, then acquire a long hold on its dataset, then
2225 * release the pool (which is held as part of holding the objset).
2226 */
2227 err = dmu_objset_hold(path, tag, osp);
a44e7faa 2228 if (err != 0) {
30af21b0
PD		 2229 (void) fprintf(stderr, "failed to hold dataset '%s': %s\n",
2230 path, strerror(err));
a44e7faa
BB		 2231 return (err);
2232 }
30af21b0
PD		 2233 dsl_dataset_long_hold(dmu_objset_ds(*osp), tag);
2234 dsl_pool_rele(dmu_objset_pool(*osp), tag);
a44e7faa 2235
b5256303 2236 if (dmu_objset_type(*osp) == DMU_OST_ZFS && !(*osp)->os_encrypted) {
a44e7faa
BB		 2237 (void) zap_lookup(*osp, MASTER_NODE_OBJ, ZPL_VERSION_STR,
2238 8, 1, &version);
2239 if (version >= ZPL_VERSION_SA) {
2240 (void) zap_lookup(*osp, MASTER_NODE_OBJ, ZFS_SA_ATTRS,
2241 8, 1, &sa_attrs);
2242 }
2243 err = sa_setup(*osp, sa_attrs, zfs_attr_table, ZPL_END,
2244 &sa_attr_table);
2245 if (err != 0) {
2246 (void) fprintf(stderr, "sa_setup failed: %s\n",
2247 strerror(err));
30af21b0
PD		 2248 dsl_dataset_long_rele(dmu_objset_ds(*osp), tag);
2249 dsl_dataset_rele(dmu_objset_ds(*osp), tag);
a44e7faa
BB		 2250 *osp = NULL;
2251 }
2252 }
2253 sa_os = *osp;
2254
2255 return (0);
2256}
2257
2258static void
2259close_objset(objset_t *os, void *tag)
2260{
2261 VERIFY3P(os, ==, sa_os);
2262 if (os->os_sa != NULL)
2263 sa_tear_down(os);
30af21b0
PD		 2264 dsl_dataset_long_rele(dmu_objset_ds(os), tag);
2265 dsl_dataset_rele(dmu_objset_ds(os), tag);
a44e7faa
BB		 2266 sa_attr_table = NULL;
2267 sa_os = NULL;
2268}
34dc7c2f
BB		 2269
2270static void
0bc8fd78 2271fuid_table_destroy(void)
34dc7c2f
BB		 2272{
2273 if (fuid_table_loaded) {
2274 zfs_fuid_table_destroy(&idx_tree, &domain_tree);
2275 fuid_table_loaded = B_FALSE;
2276 }
2277}
2278
2279/*
2280 * print uid or gid information.
2281 * For normal POSIX id just the id is printed in decimal format.
2282 * For CIFS files with FUID the fuid is printed in hex followed by
d1fada1e 2283 * the domain-rid string.
34dc7c2f
BB		 2284 */
2285static void
2286print_idstr(uint64_t id, const char *id_type)
2287{
2288 if (FUID_INDEX(id)) {
2289 char *domain;
2290
2291 domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id));
2292 (void) printf("\t%s %llx [%s-%d]\n", id_type,
2293 (u_longlong_t)id, domain, (int)FUID_RID(id));
2294 } else {
2295 (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id);
2296 }
2297
2298}
2299
2300static void
428870ff 2301dump_uidgid(objset_t *os, uint64_t uid, uint64_t gid)
34dc7c2f
BB		 2302{
2303 uint32_t uid_idx, gid_idx;
2304
428870ff
BB		 2305 uid_idx = FUID_INDEX(uid);
2306 gid_idx = FUID_INDEX(gid);
34dc7c2f
BB		 2307
2308 /* Load domain table, if not already loaded */
2309 if (!fuid_table_loaded && (uid_idx || gid_idx)) {
2310 uint64_t fuid_obj;
2311
2312 /* first find the fuid object. It lives in the master node */
2313 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES,
2314 8, 1, &fuid_obj) == 0);
9babb374 2315 zfs_fuid_avl_tree_create(&idx_tree, &domain_tree);
34dc7c2f
BB		 2316 (void) zfs_fuid_table_load(os, fuid_obj,
2317 &idx_tree, &domain_tree);
2318 fuid_table_loaded = B_TRUE;
2319 }
2320
428870ff
BB		 2321 print_idstr(uid, "uid");
2322 print_idstr(gid, "gid");
34dc7c2f
BB		 2323}
2324
50210587
TC		 2325static void
2326dump_znode_sa_xattr(sa_handle_t *hdl)
2327{
2328 nvlist_t *sa_xattr;
2329 nvpair_t *elem = NULL;
2330 int sa_xattr_size = 0;
2331 int sa_xattr_entries = 0;
2332 int error;
2333 char *sa_xattr_packed;
2334
2335 error = sa_size(hdl, sa_attr_table[ZPL_DXATTR], &sa_xattr_size);
2336 if (error || sa_xattr_size == 0)
2337 return;
2338
2339 sa_xattr_packed = malloc(sa_xattr_size);
2340 if (sa_xattr_packed == NULL)
2341 return;
2342
2343 error = sa_lookup(hdl, sa_attr_table[ZPL_DXATTR],
2344 sa_xattr_packed, sa_xattr_size);
2345 if (error) {
2346 free(sa_xattr_packed);
2347 return;
2348 }
2349
2350 error = nvlist_unpack(sa_xattr_packed, sa_xattr_size, &sa_xattr, 0);
2351 if (error) {
2352 free(sa_xattr_packed);
2353 return;
2354 }
2355
2356 while ((elem = nvlist_next_nvpair(sa_xattr, elem)) != NULL)
2357 sa_xattr_entries++;
2358
2359 (void) printf("\tSA xattrs: %d bytes, %d entries\n\n",
2360 sa_xattr_size, sa_xattr_entries);
2361 while ((elem = nvlist_next_nvpair(sa_xattr, elem)) != NULL) {
2362 uchar_t *value;
2363 uint_t cnt, idx;
2364
2365 (void) printf("\t\t%s = ", nvpair_name(elem));
2366 nvpair_value_byte_array(elem, &value, &cnt);
d1d7e268 2367 for (idx = 0; idx < cnt; ++idx) {
50210587
TC		 2368 if (isprint(value[idx]))
2369 (void) putchar(value[idx]);
2370 else
2371 (void) printf("\\%3.3o", value[idx]);
2372 }
2373 (void) putchar('\n');
2374 }
2375
2376 nvlist_free(sa_xattr);
2377 free(sa_xattr_packed);
2378}
2379
34dc7c2f
BB		 2380/*ARGSUSED*/
2381static void
2382dump_znode(objset_t *os, uint64_t object, void *data, size_t size)
2383{
34dc7c2f 2384 char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */
428870ff
BB		 2385 sa_handle_t *hdl;
2386 uint64_t xattr, rdev, gen;
2387 uint64_t uid, gid, mode, fsize, parent, links;
2388 uint64_t pflags;
2389 uint64_t acctm[2], modtm[2], chgtm[2], crtm[2];
2390 time_t z_crtime, z_atime, z_mtime, z_ctime;
2391 sa_bulk_attr_t bulk[12];
2392 int idx = 0;
34dc7c2f
BB		 2393 int error;
2394
a44e7faa 2395 VERIFY3P(os, ==, sa_os);
428870ff
BB		 2396 if (sa_handle_get(os, object, NULL, SA_HDL_PRIVATE, &hdl)) {
2397 (void) printf("Failed to get handle for SA znode\n");
2398 return;
2399 }
2400
2401 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_UID], NULL, &uid, 8);
2402 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GID], NULL, &gid, 8);
2403 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_LINKS], NULL,
2404 &links, 8);
2405 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GEN], NULL, &gen, 8);
2406 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MODE], NULL,
2407 &mode, 8);
2408 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_PARENT],
2409 NULL, &parent, 8);
2410 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_SIZE], NULL,
2411 &fsize, 8);
2412 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_ATIME], NULL,
2413 acctm, 16);
2414 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MTIME], NULL,
2415 modtm, 16);
2416 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CRTIME], NULL,
2417 crtm, 16);
2418 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CTIME], NULL,
2419 chgtm, 16);
2420 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_FLAGS], NULL,
2421 &pflags, 8);
2422
2423 if (sa_bulk_lookup(hdl, bulk, idx)) {
2424 (void) sa_handle_destroy(hdl);
2425 return;
2426 }
34dc7c2f 2427
428870ff
BB		 2428 z_crtime = (time_t)crtm[0];
2429 z_atime = (time_t)acctm[0];
2430 z_mtime = (time_t)modtm[0];
2431 z_ctime = (time_t)chgtm[0];
34dc7c2f 2432
a5c3a1ef
AS		 2433 if (dump_opt['d'] > 4) {
2434 error = zfs_obj_to_path(os, object, path, sizeof (path));
64c1dcef
PD		 2435 if (error == ESTALE) {
2436 (void) snprintf(path, sizeof (path), "on delete queue");
2437 } else if (error != 0) {
2438 leaked_objects++;
a5c3a1ef 2439 (void) snprintf(path, sizeof (path),
64c1dcef 2440 "path not found, possibly leaked");
a5c3a1ef
AS		 2441 }
2442 (void) printf("\tpath %s\n", path);
2443 }
428870ff 2444 dump_uidgid(os, uid, gid);
34dc7c2f
BB		 2445 (void) printf("\tatime %s", ctime(&z_atime));
2446 (void) printf("\tmtime %s", ctime(&z_mtime));
2447 (void) printf("\tctime %s", ctime(&z_ctime));
2448 (void) printf("\tcrtime %s", ctime(&z_crtime));
428870ff
BB		 2449 (void) printf("\tgen %llu\n", (u_longlong_t)gen);
2450 (void) printf("\tmode %llo\n", (u_longlong_t)mode);
2451 (void) printf("\tsize %llu\n", (u_longlong_t)fsize);
2452 (void) printf("\tparent %llu\n", (u_longlong_t)parent);
2453 (void) printf("\tlinks %llu\n", (u_longlong_t)links);
2454 (void) printf("\tpflags %llx\n", (u_longlong_t)pflags);
9c5167d1
NF		 2455 if (dmu_objset_projectquota_enabled(os) && (pflags & ZFS_PROJID)) {
2456 uint64_t projid;
2457
2458 if (sa_lookup(hdl, sa_attr_table[ZPL_PROJID], &projid,
2459 sizeof (uint64_t)) == 0)
2460 (void) printf("\tprojid %llu\n", (u_longlong_t)projid);
2461 }
428870ff
BB		 2462 if (sa_lookup(hdl, sa_attr_table[ZPL_XATTR], &xattr,
2463 sizeof (uint64_t)) == 0)
2464 (void) printf("\txattr %llu\n", (u_longlong_t)xattr);
2465 if (sa_lookup(hdl, sa_attr_table[ZPL_RDEV], &rdev,
2466 sizeof (uint64_t)) == 0)
2467 (void) printf("\trdev 0x%016llx\n", (u_longlong_t)rdev);
50210587 2468 dump_znode_sa_xattr(hdl);
428870ff 2469 sa_handle_destroy(hdl);
34dc7c2f
BB		 2470}
2471
2472/*ARGSUSED*/
2473static void
2474dump_acl(objset_t *os, uint64_t object, void *data, size_t size)
2475{
2476}
2477
2478/*ARGSUSED*/
2479static void
2480dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size)
2481{
2482}
2483
428870ff 2484static object_viewer_t *object_viewer[DMU_OT_NUMTYPES + 1] = {
34dc7c2f
BB		 2485 dump_none, /* unallocated */
2486 dump_zap, /* object directory */
2487 dump_uint64, /* object array */
2488 dump_none, /* packed nvlist */
2489 dump_packed_nvlist, /* packed nvlist size */
252e1a54
MA		 2490 dump_none, /* bpobj */
2491 dump_bpobj, /* bpobj header */
34dc7c2f
BB		 2492 dump_none, /* SPA space map header */
2493 dump_none, /* SPA space map */
2494 dump_none, /* ZIL intent log */
2495 dump_dnode, /* DMU dnode */
2496 dump_dmu_objset, /* DMU objset */
2497 dump_dsl_dir, /* DSL directory */
2498 dump_zap, /* DSL directory child map */
2499 dump_zap, /* DSL dataset snap map */
2500 dump_zap, /* DSL props */
2501 dump_dsl_dataset, /* DSL dataset */
2502 dump_znode, /* ZFS znode */
2503 dump_acl, /* ZFS V0 ACL */
2504 dump_uint8, /* ZFS plain file */
2505 dump_zpldir, /* ZFS directory */
2506 dump_zap, /* ZFS master node */
2507 dump_zap, /* ZFS delete queue */
2508 dump_uint8, /* zvol object */
2509 dump_zap, /* zvol prop */
2510 dump_uint8, /* other uint8[] */
2511 dump_uint64, /* other uint64[] */
2512 dump_zap, /* other ZAP */
2513 dump_zap, /* persistent error log */
2514 dump_uint8, /* SPA history */
6f1ffb06 2515 dump_history_offsets, /* SPA history offsets */
34dc7c2f
BB		 2516 dump_zap, /* Pool properties */
2517 dump_zap, /* DSL permissions */
2518 dump_acl, /* ZFS ACL */
2519 dump_uint8, /* ZFS SYSACL */
2520 dump_none, /* FUID nvlist */
2521 dump_packed_nvlist, /* FUID nvlist size */
b128c09f
BB		 2522 dump_zap, /* DSL dataset next clones */
2523 dump_zap, /* DSL scrub queue */
9c5167d1
NF		 2524 dump_zap, /* ZFS user/group/project used */
2525 dump_zap, /* ZFS user/group/project quota */
45d1cae3 2526 dump_zap, /* snapshot refcount tags */
428870ff
BB		 2527 dump_ddt_zap, /* DDT ZAP object */
2528 dump_zap, /* DDT statistics */
2529 dump_znode, /* SA object */
2530 dump_zap, /* SA Master Node */
2531 dump_sa_attrs, /* SA attribute registration */
2532 dump_sa_layouts, /* SA attribute layouts */
2533 dump_zap, /* DSL scrub translations */
2534 dump_none, /* fake dedup BP */
2535 dump_zap, /* deadlist */
2536 dump_none, /* deadlist hdr */
2537 dump_zap, /* dsl clones */
252e1a54 2538 dump_bpobj_subobjs, /* bpobj subobjs */
428870ff 2539 dump_unknown, /* Unknown type, must be last */
34dc7c2f
BB		 2540};
2541
2542static void
30af21b0
PD		 2543dump_object(objset_t *os, uint64_t object, int verbosity,
2544 boolean_t *print_header, uint64_t *dnode_slots_used)
34dc7c2f
BB		 2545{
2546 dmu_buf_t *db = NULL;
2547 dmu_object_info_t doi;
2548 dnode_t *dn;
b5256303 2549 boolean_t dnode_held = B_FALSE;
34dc7c2f
BB		 2550 void *bonus = NULL;
2551 size_t bsize = 0;
50c957f7 2552 char iblk[32], dblk[32], lsize[32], asize[32], fill[32], dnsize[32];
428870ff 2553 char bonus_size[32];
34dc7c2f
BB		 2554 char aux[50];
2555 int error;
2556
f3c8c9e6
JK		 2557 /* make sure nicenum has enough space */
2558 CTASSERT(sizeof (iblk) >= NN_NUMBUF_SZ);
2559 CTASSERT(sizeof (dblk) >= NN_NUMBUF_SZ);
2560 CTASSERT(sizeof (lsize) >= NN_NUMBUF_SZ);
2561 CTASSERT(sizeof (asize) >= NN_NUMBUF_SZ);
2562 CTASSERT(sizeof (bonus_size) >= NN_NUMBUF_SZ);
2563
34dc7c2f 2564 if (*print_header) {
50c957f7
NB		 2565 (void) printf("\n%10s %3s %5s %5s %5s %6s %5s %6s %s\n",
2566 "Object", "lvl", "iblk", "dblk", "dsize", "dnsize",
2567 "lsize", "%full", "type");
34dc7c2f
BB		 2568 *print_header = 0;
2569 }
2570
2571 if (object == 0) {
572e2857 2572 dn = DMU_META_DNODE(os);
b5256303 2573 dmu_object_info_from_dnode(dn, &doi);
34dc7c2f 2574 } else {
b5256303
TC		 2575 /*
2576 * Encrypted datasets will have sensitive bonus buffers
2577 * encrypted. Therefore we cannot hold the bonus buffer and
2578 * must hold the dnode itself instead.
2579 */
2580 error = dmu_object_info(os, object, &doi);
34dc7c2f 2581 if (error)
b5256303
TC		 2582 fatal("dmu_object_info() failed, errno %u", error);
2583
2584 if (os->os_encrypted &&
2585 DMU_OT_IS_ENCRYPTED(doi.doi_bonus_type)) {
2586 error = dnode_hold(os, object, FTAG, &dn);
2587 if (error)
2588 fatal("dnode_hold() failed, errno %u", error);
2589 dnode_held = B_TRUE;
2590 } else {
2591 error = dmu_bonus_hold(os, object, FTAG, &db);
2592 if (error)
2593 fatal("dmu_bonus_hold(%llu) failed, errno %u",
2594 object, error);
2595 bonus = db->db_data;
2596 bsize = db->db_size;
2597 dn = DB_DNODE((dmu_buf_impl_t *)db);
2598 }
34dc7c2f 2599 }
34dc7c2f 2600
4c5b89f5
OF		 2601 if (dnode_slots_used)
2602 *dnode_slots_used = doi.doi_dnodesize / DNODE_MIN_SIZE;
2603
f3c8c9e6
JK		 2604 zdb_nicenum(doi.doi_metadata_block_size, iblk, sizeof (iblk));
2605 zdb_nicenum(doi.doi_data_block_size, dblk, sizeof (dblk));
2606 zdb_nicenum(doi.doi_max_offset, lsize, sizeof (lsize));
2607 zdb_nicenum(doi.doi_physical_blocks_512 << 9, asize, sizeof (asize));
2608 zdb_nicenum(doi.doi_bonus_size, bonus_size, sizeof (bonus_size));
2609 zdb_nicenum(doi.doi_dnodesize, dnsize, sizeof (dnsize));
428870ff
BB		 2610 (void) sprintf(fill, "%6.2f", 100.0 * doi.doi_fill_count *
2611 doi.doi_data_block_size / (object == 0 ? DNODES_PER_BLOCK : 1) /
2612 doi.doi_max_offset);
34dc7c2f
BB		 2613
2614 aux[0] = '\0';
2615
2616 if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) {
ced28193
TH		 2617 (void) snprintf(aux + strlen(aux), sizeof (aux) - strlen(aux),
2618 " (K=%s)", ZDB_CHECKSUM_NAME(doi.doi_checksum));
34dc7c2f
BB		 2619 }
2620
2621 if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) {
ced28193
TH		 2622 (void) snprintf(aux + strlen(aux), sizeof (aux) - strlen(aux),
2623 " (Z=%s)", ZDB_COMPRESS_NAME(doi.doi_compress));
34dc7c2f
BB		 2624 }
2625
50c957f7 2626 (void) printf("%10lld %3u %5s %5s %5s %6s %5s %6s %s%s\n",
428870ff 2627 (u_longlong_t)object, doi.doi_indirection, iblk, dblk,
f3c9cac1 2628 asize, dnsize, lsize, fill, zdb_ot_name(doi.doi_type), aux);
34dc7c2f
BB		 2629
2630 if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) {
50c957f7
NB		 2631 (void) printf("%10s %3s %5s %5s %5s %5s %5s %6s %s\n",
2632 "", "", "", "", "", "", bonus_size, "bonus",
f3c9cac1 2633 zdb_ot_name(doi.doi_bonus_type));
34dc7c2f
BB		 2634 }
2635
2636 if (verbosity >= 4) {
1de321e6 2637 (void) printf("\tdnode flags: %s%s%s%s\n",
9babb374
BB		 2638 (dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ?
2639 "USED_BYTES " : "",
2640 (dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ?
428870ff 2641 "USERUSED_ACCOUNTED " : "",
1de321e6
JX		 2642 (dn->dn_phys->dn_flags & DNODE_FLAG_USEROBJUSED_ACCOUNTED) ?
2643 "USEROBJUSED_ACCOUNTED " : "",
428870ff
BB		 2644 (dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR) ?
2645 "SPILL_BLKPTR" : "");
9babb374
BB		 2646 (void) printf("\tdnode maxblkid: %llu\n",
2647 (longlong_t)dn->dn_phys->dn_maxblkid);
2648
b5256303
TC		 2649 if (!dnode_held) {
2650 object_viewer[ZDB_OT_TYPE(doi.doi_bonus_type)](os,
2651 object, bonus, bsize);
2652 } else {
2653 (void) printf("\t\t(bonus encrypted)\n");
2654 }
2655
2656 if (!os->os_encrypted || !DMU_OT_IS_ENCRYPTED(doi.doi_type)) {
2657 object_viewer[ZDB_OT_TYPE(doi.doi_type)](os, object,
2658 NULL, 0);
2659 } else {
2660 (void) printf("\t\t(object encrypted)\n");
2661 }
2662
30af21b0 2663 *print_header = B_TRUE;
34dc7c2f
BB		 2664 }
2665
2666 if (verbosity >= 5)
b128c09f 2667 dump_indirect(dn);
34dc7c2f
BB		 2668
2669 if (verbosity >= 5) {
2670 /*
2671 * Report the list of segments that comprise the object.
2672 */
2673 uint64_t start = 0;
2674 uint64_t end;
2675 uint64_t blkfill = 1;
2676 int minlvl = 1;
2677
2678 if (dn->dn_type == DMU_OT_DNODE) {
2679 minlvl = 0;
2680 blkfill = DNODES_PER_BLOCK;
2681 }
2682
2683 for (;;) {
428870ff 2684 char segsize[32];
f3c8c9e6
JK		 2685 /* make sure nicenum has enough space */
2686 CTASSERT(sizeof (segsize) >= NN_NUMBUF_SZ);
b128c09f
BB		 2687 error = dnode_next_offset(dn,
2688 0, &start, minlvl, blkfill, 0);
34dc7c2f
BB		 2689 if (error)
2690 break;
2691 end = start;
b128c09f
BB		 2692 error = dnode_next_offset(dn,
2693 DNODE_FIND_HOLE, &end, minlvl, blkfill, 0);
f3c8c9e6 2694 zdb_nicenum(end - start, segsize, sizeof (segsize));
34dc7c2f
BB		 2695 (void) printf("\t\tsegment [%016llx, %016llx)"
2696 " size %5s\n", (u_longlong_t)start,
2697 (u_longlong_t)end, segsize);
2698 if (error)
2699 break;
2700 start = end;
2701 }
2702 }
2703
2704 if (db != NULL)
2705 dmu_buf_rele(db, FTAG);
b5256303
TC		 2706 if (dnode_held)
2707 dnode_rele(dn, FTAG);
34dc7c2f
BB		 2708}
2709
0aa5916a
MA		 2710static void
2711count_dir_mos_objects(dsl_dir_t *dd)
2712{
2713 mos_obj_refd(dd->dd_object);
2714 mos_obj_refd(dsl_dir_phys(dd)->dd_child_dir_zapobj);
2715 mos_obj_refd(dsl_dir_phys(dd)->dd_deleg_zapobj);
2716 mos_obj_refd(dsl_dir_phys(dd)->dd_props_zapobj);
2717 mos_obj_refd(dsl_dir_phys(dd)->dd_clones);
2718
2719 /*
2720 * The dd_crypto_obj can be referenced by multiple dsl_dir's.
2721 * Ignore the references after the first one.
2722 */
2723 mos_obj_refd_multiple(dd->dd_crypto_obj);
2724}
2725
2726static void
2727count_ds_mos_objects(dsl_dataset_t *ds)
2728{
2729 mos_obj_refd(ds->ds_object);
2730 mos_obj_refd(dsl_dataset_phys(ds)->ds_next_clones_obj);
2731 mos_obj_refd(dsl_dataset_phys(ds)->ds_props_obj);
2732 mos_obj_refd(dsl_dataset_phys(ds)->ds_userrefs_obj);
2733 mos_obj_refd(dsl_dataset_phys(ds)->ds_snapnames_zapobj);
30af21b0 2734 mos_obj_refd(ds->ds_bookmarks_obj);
0aa5916a
MA		 2735
2736 if (!dsl_dataset_is_snapshot(ds)) {
2737 count_dir_mos_objects(ds->ds_dir);
2738 }
2739}
2740
867959b5 2741static const char *objset_types[DMU_OST_NUMTYPES] = {
34dc7c2f
BB		 2742 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" };
2743
2744static void
37f03da8 2745dump_objset(objset_t *os)
34dc7c2f 2746{
f0bf4351 2747 dmu_objset_stats_t dds = { 0 };
34dc7c2f
BB		 2748 uint64_t object, object_count;
2749 uint64_t refdbytes, usedobjs, scratch;
428870ff 2750 char numbuf[32];
9babb374 2751 char blkbuf[BP_SPRINTF_LEN + 20];
eca7b760 2752 char osname[ZFS_MAX_DATASET_NAME_LEN];
867959b5 2753 const char *type = "UNKNOWN";
34dc7c2f 2754 int verbosity = dump_opt['d'];
30af21b0 2755 boolean_t print_header;
867959b5
BB		 2756 unsigned i;
2757 int error;
4c5b89f5
OF		 2758 uint64_t total_slots_used = 0;
2759 uint64_t max_slot_used = 0;
2760 uint64_t dnode_slots;
34dc7c2f 2761
f3c8c9e6
JK		 2762 /* make sure nicenum has enough space */
2763 CTASSERT(sizeof (numbuf) >= NN_NUMBUF_SZ);
2764
13fe0198 2765 dsl_pool_config_enter(dmu_objset_pool(os), FTAG);
34dc7c2f 2766 dmu_objset_fast_stat(os, &dds);
13fe0198 2767 dsl_pool_config_exit(dmu_objset_pool(os), FTAG);
34dc7c2f 2768
30af21b0
PD		 2769 print_header = B_TRUE;
2770
34dc7c2f
BB		 2771 if (dds.dds_type < DMU_OST_NUMTYPES)
2772 type = objset_types[dds.dds_type];
2773
2774 if (dds.dds_type == DMU_OST_META) {
2775 dds.dds_creation_txg = TXG_INITIAL;
9b67f605 2776 usedobjs = BP_GET_FILL(os->os_rootbp);
d683ddbb
JG		 2777 refdbytes = dsl_dir_phys(os->os_spa->spa_dsl_pool->dp_mos_dir)->
2778 dd_used_bytes;
34dc7c2f
BB		 2779 } else {
2780 dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch);
2781 }
2782
9b67f605 2783 ASSERT3U(usedobjs, ==, BP_GET_FILL(os->os_rootbp));
34dc7c2f 2784
f3c8c9e6 2785 zdb_nicenum(refdbytes, numbuf, sizeof (numbuf));
34dc7c2f
BB		 2786
2787 if (verbosity >= 4) {
b0bc7a84
MG		 2788 (void) snprintf(blkbuf, sizeof (blkbuf), ", rootbp ");
2789 (void) snprintf_blkptr(blkbuf + strlen(blkbuf),
2790 sizeof (blkbuf) - strlen(blkbuf), os->os_rootbp);
34dc7c2f
BB		 2791 } else {
2792 blkbuf[0] = '\0';
2793 }
2794
2795 dmu_objset_name(os, osname);
2796
2797 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, "
9b2266e3 2798 "%s, %llu objects%s%s\n",
34dc7c2f
BB		 2799 osname, type, (u_longlong_t)dmu_objset_id(os),
2800 (u_longlong_t)dds.dds_creation_txg,
9b2266e3
SD		 2801 numbuf, (u_longlong_t)usedobjs, blkbuf,
2802 (dds.dds_inconsistent) ? " (inconsistent)" : "");
34dc7c2f 2803
34dc7c2f 2804 if (zopt_objects != 0) {
30af21b0 2805 for (i = 0; i < zopt_objects; i++) {
34dc7c2f 2806 dump_object(os, zopt_object[i], verbosity,
4c5b89f5 2807 &print_header, NULL);
30af21b0 2808 }
34dc7c2f
BB		 2809 (void) printf("\n");
2810 return;
2811 }
2812
428870ff
BB		 2813 if (dump_opt['i'] != 0 || verbosity >= 2)
2814 dump_intent_log(dmu_objset_zil(os));
2815
a1d477c2
MA		 2816 if (dmu_objset_ds(os) != NULL) {
2817 dsl_dataset_t *ds = dmu_objset_ds(os);
37f03da8
SH		 2818 dump_blkptr_list(&ds->ds_deadlist, "Deadlist");
2819 if (dsl_deadlist_is_open(&ds->ds_dir->dd_livelist) &&
2820 !dmu_objset_is_snapshot(os)) {
2821 dump_blkptr_list(&ds->ds_dir->dd_livelist, "Livelist");
2822 if (verify_dd_livelist(os) != 0)
2823 fatal("livelist is incorrect");
2824 }
a1d477c2
MA		 2825
2826 if (dsl_dataset_remap_deadlist_exists(ds)) {
2827 (void) printf("ds_remap_deadlist:\n");
37f03da8 2828 dump_blkptr_list(&ds->ds_remap_deadlist, "Deadlist");
a1d477c2 2829 }
0aa5916a 2830 count_ds_mos_objects(ds);
a1d477c2 2831 }
428870ff 2832
30af21b0
PD		 2833 if (dmu_objset_ds(os) != NULL)
2834 dump_bookmarks(os, verbosity);
2835
428870ff
BB		 2836 if (verbosity < 2)
2837 return;
2838
b0bc7a84 2839 if (BP_IS_HOLE(os->os_rootbp))
428870ff
BB		 2840 return;
2841
4c5b89f5 2842 dump_object(os, 0, verbosity, &print_header, NULL);
9babb374 2843 object_count = 0;
572e2857
BB		 2844 if (DMU_USERUSED_DNODE(os) != NULL &&
2845 DMU_USERUSED_DNODE(os)->dn_type != 0) {
4c5b89f5
OF		 2846 dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header,
2847 NULL);
2848 dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header,
2849 NULL);
9babb374 2850 }
34dc7c2f 2851
9c5167d1
NF		 2852 if (DMU_PROJECTUSED_DNODE(os) != NULL &&
2853 DMU_PROJECTUSED_DNODE(os)->dn_type != 0)
2854 dump_object(os, DMU_PROJECTUSED_OBJECT, verbosity,
2855 &print_header, NULL);
2856
34dc7c2f
BB		 2857 object = 0;
2858 while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) {
4c5b89f5 2859 dump_object(os, object, verbosity, &print_header, &dnode_slots);
34dc7c2f 2860 object_count++;
4c5b89f5
OF		 2861 total_slots_used += dnode_slots;
2862 max_slot_used = object + dnode_slots - 1;
34dc7c2f
BB		 2863 }
2864
34dc7c2f
BB		 2865 (void) printf("\n");
2866
4c5b89f5
OF		 2867 (void) printf(" Dnode slots:\n");
2868 (void) printf("\tTotal used: %10llu\n",
2869 (u_longlong_t)total_slots_used);
2870 (void) printf("\tMax used: %10llu\n",
2871 (u_longlong_t)max_slot_used);
2872 (void) printf("\tPercent empty: %10lf\n",
2873 (double)(max_slot_used - total_slots_used)*100 /
2874 (double)max_slot_used);
4c5b89f5
OF		 2875 (void) printf("\n");
2876
9babb374
BB		 2877 if (error != ESRCH) {
2878 (void) fprintf(stderr, "dmu_object_next() = %d\n", error);
2879 abort();
2880 }
e3c85c09
TC		 2881
2882 ASSERT3U(object_count, ==, usedobjs);
2883
64c1dcef
PD		 2884 if (leaked_objects != 0) {
2885 (void) printf("%d potentially leaked objects detected\n",
2886 leaked_objects);
2887 leaked_objects = 0;
2888 }
34dc7c2f
BB		 2889}
2890
2891static void
428870ff 2892dump_uberblock(uberblock_t *ub, const char *header, const char *footer)
34dc7c2f
BB		 2893{
2894 time_t timestamp = ub->ub_timestamp;
2895
0e5b68e0 2896 (void) printf("%s", header ? header : "");
34dc7c2f
BB		 2897 (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic);
2898 (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version);
2899 (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg);
2900 (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum);
2901 (void) printf("\ttimestamp = %llu UTC = %s",
2902 (u_longlong_t)ub->ub_timestamp, asctime(localtime(&timestamp)));
379ca9cf
OF		 2903
2904 (void) printf("\tmmp_magic = %016llx\n",
2905 (u_longlong_t)ub->ub_mmp_magic);
060f0226 2906 if (MMP_VALID(ub)) {
379ca9cf
OF		 2907 (void) printf("\tmmp_delay = %0llu\n",
2908 (u_longlong_t)ub->ub_mmp_delay);
060f0226
OF		 2909 if (MMP_SEQ_VALID(ub))
2910 (void) printf("\tmmp_seq = %u\n",
2911 (unsigned int) MMP_SEQ(ub));
2912 if (MMP_FAIL_INT_VALID(ub))
2913 (void) printf("\tmmp_fail = %u\n",
2914 (unsigned int) MMP_FAIL_INT(ub));
2915 if (MMP_INTERVAL_VALID(ub))
2916 (void) printf("\tmmp_write = %u\n",
2917 (unsigned int) MMP_INTERVAL(ub));
2918 /* After MMP_* to make summarize_uberblock_mmp cleaner */
2919 (void) printf("\tmmp_valid = %x\n",
2920 (unsigned int) ub->ub_mmp_config & 0xFF);
2921 }
379ca9cf 2922
3c9e0d67 2923 if (dump_opt['u'] >= 4) {
34dc7c2f 2924 char blkbuf[BP_SPRINTF_LEN];
b0bc7a84 2925 snprintf_blkptr(blkbuf, sizeof (blkbuf), &ub->ub_rootbp);
34dc7c2f
BB		 2926 (void) printf("\trootbp = %s\n", blkbuf);
2927 }
d2734cce
SD		 2928 (void) printf("\tcheckpoint_txg = %llu\n",
2929 (u_longlong_t)ub->ub_checkpoint_txg);
0e5b68e0 2930 (void) printf("%s", footer ? footer : "");
34dc7c2f
BB		 2931}
2932
2933static void
428870ff 2934dump_config(spa_t *spa)
34dc7c2f 2935{
428870ff
BB		 2936 dmu_buf_t *db;
2937 size_t nvsize = 0;
2938 int error = 0;
34dc7c2f 2939
34dc7c2f 2940
428870ff
BB		 2941 error = dmu_bonus_hold(spa->spa_meta_objset,
2942 spa->spa_config_object, FTAG, &db);
2943
2944 if (error == 0) {
2945 nvsize = *(uint64_t *)db->db_data;
2946 dmu_buf_rele(db, FTAG);
2947
2948 (void) printf("\nMOS Configuration:\n");
2949 dump_packed_nvlist(spa->spa_meta_objset,
2950 spa->spa_config_object, (void *)&nvsize, 1);
2951 } else {
2952 (void) fprintf(stderr, "dmu_bonus_hold(%llu) failed, errno %d",
2953 (u_longlong_t)spa->spa_config_object, error);
2954 }
2955}
2956
2957static void
b128c09f
BB		 2958dump_cachefile(const char *cachefile)
2959{
2960 int fd;
2961 struct stat64 statbuf;
2962 char *buf;
2963 nvlist_t *config;
2964
2965 if ((fd = open64(cachefile, O_RDONLY)) < 0) {
2966 (void) printf("cannot open '%s': %s\n", cachefile,
2967 strerror(errno));
2968 exit(1);
2969 }
2970
2971 if (fstat64(fd, &statbuf) != 0) {
2972 (void) printf("failed to stat '%s': %s\n", cachefile,
2973 strerror(errno));
2974 exit(1);
2975 }
2976
2977 if ((buf = malloc(statbuf.st_size)) == NULL) {
2978 (void) fprintf(stderr, "failed to allocate %llu bytes\n",
2979 (u_longlong_t)statbuf.st_size);
2980 exit(1);
2981 }
2982
2983 if (read(fd, buf, statbuf.st_size) != statbuf.st_size) {
2984 (void) fprintf(stderr, "failed to read %llu bytes\n",
2985 (u_longlong_t)statbuf.st_size);
2986 exit(1);
2987 }
2988
2989 (void) close(fd);
2990
2991 if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) {
2992 (void) fprintf(stderr, "failed to unpack nvlist\n");
2993 exit(1);
2994 }
2995
2996 free(buf);
2997
2998 dump_nvlist(config, 0);
2999
3000 nvlist_free(config);
3001}
3002
96f1b347
DB		 3003/*
3004 * ZFS label nvlist stats
3005 */
3006typedef struct zdb_nvl_stats {
3007 int zns_list_count;
3008 int zns_leaf_count;
3009 size_t zns_leaf_largest;
3010 size_t zns_leaf_total;
3011 nvlist_t *zns_string;
3012 nvlist_t *zns_uint64;
3013 nvlist_t *zns_boolean;
3014} zdb_nvl_stats_t;
3015
3016static void
3017collect_nvlist_stats(nvlist_t *nvl, zdb_nvl_stats_t *stats)
3018{
3019 nvlist_t *list, **array;
3020 nvpair_t *nvp = NULL;
3021 char *name;
3022 uint_t i, items;
3023
3024 stats->zns_list_count++;
3025
3026 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
3027 name = nvpair_name(nvp);
3028
3029 switch (nvpair_type(nvp)) {
3030 case DATA_TYPE_STRING:
3031 fnvlist_add_string(stats->zns_string, name,
3032 fnvpair_value_string(nvp));
3033 break;
3034 case DATA_TYPE_UINT64:
3035 fnvlist_add_uint64(stats->zns_uint64, name,
3036 fnvpair_value_uint64(nvp));
3037 break;
3038 case DATA_TYPE_BOOLEAN:
3039 fnvlist_add_boolean(stats->zns_boolean, name);
3040 break;
3041 case DATA_TYPE_NVLIST:
3042 if (nvpair_value_nvlist(nvp, &list) == 0)
3043 collect_nvlist_stats(list, stats);
3044 break;
3045 case DATA_TYPE_NVLIST_ARRAY:
3046 if (nvpair_value_nvlist_array(nvp, &array, &items) != 0)
3047 break;
3048
3049 for (i = 0; i < items; i++) {
3050 collect_nvlist_stats(array[i], stats);
3051
3052 /* collect stats on leaf vdev */
3053 if (strcmp(name, "children") == 0) {
3054 size_t size;
3055
3056 (void) nvlist_size(array[i], &size,
3057 NV_ENCODE_XDR);
3058 stats->zns_leaf_total += size;
3059 if (size > stats->zns_leaf_largest)
3060 stats->zns_leaf_largest = size;
3061 stats->zns_leaf_count++;
3062 }
3063 }
3064 break;
3065 default:
3066 (void) printf("skip type %d!\n", (int)nvpair_type(nvp));
3067 }
3068 }
3069}
3070
3071static void
3072dump_nvlist_stats(nvlist_t *nvl, size_t cap)
3073{
3074 zdb_nvl_stats_t stats = { 0 };
3075 size_t size, sum = 0, total;
cd5083c0 3076 size_t noise;
96f1b347
DB		 3077
3078 /* requires nvlist with non-unique names for stat collection */
3079 VERIFY0(nvlist_alloc(&stats.zns_string, 0, 0));
3080 VERIFY0(nvlist_alloc(&stats.zns_uint64, 0, 0));
3081 VERIFY0(nvlist_alloc(&stats.zns_boolean, 0, 0));
3082 VERIFY0(nvlist_size(stats.zns_boolean, &noise, NV_ENCODE_XDR));
3083
3084 (void) printf("\n\nZFS Label NVList Config Stats:\n");
3085
3086 VERIFY0(nvlist_size(nvl, &total, NV_ENCODE_XDR));
3087 (void) printf(" %d bytes used, %d bytes free (using %4.1f%%)\n\n",
3088 (int)total, (int)(cap - total), 100.0 * total / cap);
3089
3090 collect_nvlist_stats(nvl, &stats);
3091
3092 VERIFY0(nvlist_size(stats.zns_uint64, &size, NV_ENCODE_XDR));
3093 size -= noise;
3094 sum += size;
3095 (void) printf("%12s %4d %6d bytes (%5.2f%%)\n", "integers:",
3096 (int)fnvlist_num_pairs(stats.zns_uint64),
3097 (int)size, 100.0 * size / total);
3098
3099 VERIFY0(nvlist_size(stats.zns_string, &size, NV_ENCODE_XDR));
3100 size -= noise;
3101 sum += size;
3102 (void) printf("%12s %4d %6d bytes (%5.2f%%)\n", "strings:",
3103 (int)fnvlist_num_pairs(stats.zns_string),
3104 (int)size, 100.0 * size / total);
3105
3106 VERIFY0(nvlist_size(stats.zns_boolean, &size, NV_ENCODE_XDR));
3107 size -= noise;
3108 sum += size;
3109 (void) printf("%12s %4d %6d bytes (%5.2f%%)\n", "booleans:",
3110 (int)fnvlist_num_pairs(stats.zns_boolean),
3111 (int)size, 100.0 * size / total);
3112
3113 size = total - sum; /* treat remainder as nvlist overhead */
3114 (void) printf("%12s %4d %6d bytes (%5.2f%%)\n\n", "nvlists:",
3115 stats.zns_list_count, (int)size, 100.0 * size / total);
3116
cd5083c0
DB		 3117 if (stats.zns_leaf_count > 0) {
3118 size_t average = stats.zns_leaf_total / stats.zns_leaf_count;
96f1b347 3119
cd5083c0
DB		 3120 (void) printf("%12s %4d %6d bytes average\n", "leaf vdevs:",
3121 stats.zns_leaf_count, (int)average);
3122 (void) printf("%24d bytes largest\n",
3123 (int)stats.zns_leaf_largest);
96f1b347 3124
cd5083c0
DB		 3125 if (dump_opt['l'] >= 3 && average > 0)
3126 (void) printf(" space for %d additional leaf vdevs\n",
3127 (int)((cap - total) / average));
3128 }
96f1b347
DB		 3129 (void) printf("\n");
3130
3131 nvlist_free(stats.zns_string);
3132 nvlist_free(stats.zns_uint64);
3133 nvlist_free(stats.zns_boolean);
3134}
3135
3c9e0d67
OF		 3136typedef struct cksum_record {
3137 zio_cksum_t cksum;
3138 boolean_t labels[VDEV_LABELS];
3139 avl_node_t link;
3140} cksum_record_t;
3141
35a357a9 3142static int
3c9e0d67 3143cksum_record_compare(const void *x1, const void *x2)
34dc7c2f 3144{
3c9e0d67
OF		 3145 const cksum_record_t *l = (cksum_record_t *)x1;
3146 const cksum_record_t *r = (cksum_record_t *)x2;
3147 int arraysize = ARRAY_SIZE(l->cksum.zc_word);
3148 int difference;
3149
3150 for (int i = 0; i < arraysize; i++) {
ca577779 3151 difference = TREE_CMP(l->cksum.zc_word[i], r->cksum.zc_word[i]);
3c9e0d67
OF		 3152 if (difference)
3153 break;
3154 }
3155
3156 return (difference);
3157}
3158
3159static cksum_record_t *
3160cksum_record_alloc(zio_cksum_t *cksum, int l)
3161{
3162 cksum_record_t *rec;
3163
3164 rec = umem_zalloc(sizeof (*rec), UMEM_NOFAIL);
3165 rec->cksum = *cksum;
3166 rec->labels[l] = B_TRUE;
3167
3168 return (rec);
3169}
3170
3171static cksum_record_t *
3172cksum_record_lookup(avl_tree_t *tree, zio_cksum_t *cksum)
3173{
3174 cksum_record_t lookup = { .cksum = *cksum };
3175 avl_index_t where;
3176
3177 return (avl_find(tree, &lookup, &where));
3178}
3179
3180static cksum_record_t *
3181cksum_record_insert(avl_tree_t *tree, zio_cksum_t *cksum, int l)
3182{
3183 cksum_record_t *rec;
3184
3185 rec = cksum_record_lookup(tree, cksum);
3186 if (rec) {
3187 rec->labels[l] = B_TRUE;
3188 } else {
3189 rec = cksum_record_alloc(cksum, l);
3190 avl_add(tree, rec);
3191 }
3192
3193 return (rec);
3194}
3195
3196static int
3197first_label(cksum_record_t *rec)
3198{
3199 for (int i = 0; i < VDEV_LABELS; i++)
3200 if (rec->labels[i])
3201 return (i);
3202
3203 return (-1);
3204}
3205
3206static void
3207print_label_numbers(char *prefix, cksum_record_t *rec)
3208{
3209 printf("%s", prefix);
3210 for (int i = 0; i < VDEV_LABELS; i++)
3211 if (rec->labels[i] == B_TRUE)
3212 printf("%d ", i);
3213 printf("\n");
3214}
3215
3216#define MAX_UBERBLOCK_COUNT (VDEV_UBERBLOCK_RING >> UBERBLOCK_SHIFT)
3217
cf89a4ec 3218typedef struct zdb_label {
34dc7c2f 3219 vdev_label_t label;
3c9e0d67
OF		 3220 nvlist_t *config_nv;
3221 cksum_record_t *config;
3222 cksum_record_t *uberblocks[MAX_UBERBLOCK_COUNT];
3223 boolean_t header_printed;
3224 boolean_t read_failed;
cf89a4ec 3225} zdb_label_t;
3c9e0d67
OF		 3226
3227static void
cf89a4ec 3228print_label_header(zdb_label_t *label, int l)
3c9e0d67
OF		 3229{
3230
3231 if (dump_opt['q'])
3232 return;
3233
3234 if (label->header_printed == B_TRUE)
3235 return;
3236
3237 (void) printf("------------------------------------\n");
3238 (void) printf("LABEL %d\n", l);
3239 (void) printf("------------------------------------\n");
3240
3241 label->header_printed = B_TRUE;
3242}
3243
3244static void
cf89a4ec 3245dump_config_from_label(zdb_label_t *label, size_t buflen, int l)
3c9e0d67
OF		 3246{
3247 if (dump_opt['q'])
3248 return;
3249
3250 if ((dump_opt['l'] < 3) && (first_label(label->config) != l))
3251 return;
3252
3253 print_label_header(label, l);
3254 dump_nvlist(label->config_nv, 4);
3255 print_label_numbers(" labels = ", label->config);
3256
3257 if (dump_opt['l'] >= 2)
3258 dump_nvlist_stats(label->config_nv, buflen);
3259}
3260
3261#define ZDB_MAX_UB_HEADER_SIZE 32
3262
3263static void
cf89a4ec 3264dump_label_uberblocks(zdb_label_t *label, uint64_t ashift, int label_num)
3c9e0d67
OF		 3265{
3266
3267 vdev_t vd;
3268 char header[ZDB_MAX_UB_HEADER_SIZE];
3269
3270 vd.vdev_ashift = ashift;
3271 vd.vdev_top = &vd;
3272
3273 for (int i = 0; i < VDEV_UBERBLOCK_COUNT(&vd); i++) {
3274 uint64_t uoff = VDEV_UBERBLOCK_OFFSET(&vd, i);
3275 uberblock_t *ub = (void *)((char *)&label->label + uoff);
3276 cksum_record_t *rec = label->uberblocks[i];
3277
3278 if (rec == NULL) {
3279 if (dump_opt['u'] >= 2) {
3280 print_label_header(label, label_num);
3281 (void) printf(" Uberblock[%d] invalid\n", i);
3282 }
3283 continue;
3284 }
3285
3286 if ((dump_opt['u'] < 3) && (first_label(rec) != label_num))
3287 continue;
3288
379ca9cf
OF		 3289 if ((dump_opt['u'] < 4) &&
3290 (ub->ub_mmp_magic == MMP_MAGIC) && ub->ub_mmp_delay &&
3291 (i >= VDEV_UBERBLOCK_COUNT(&vd) - MMP_BLOCKS_PER_LABEL))
3292 continue;
3293
3c9e0d67
OF		 3294 print_label_header(label, label_num);
3295 (void) snprintf(header, ZDB_MAX_UB_HEADER_SIZE,
3296 " Uberblock[%d]\n", i);
3297 dump_uberblock(ub, header, "");
3298 print_label_numbers(" labels = ", rec);
3299 }
3300}
3301
a44e7faa
BB		 3302static char curpath[PATH_MAX];
3303
3304/*
3305 * Iterate through the path components, recursively passing
3306 * current one's obj and remaining path until we find the obj
3307 * for the last one.
3308 */
3309static int
3310dump_path_impl(objset_t *os, uint64_t obj, char *name)
3311{
3312 int err;
30af21b0 3313 boolean_t header = B_TRUE;
a44e7faa
BB		 3314 uint64_t child_obj;
3315 char *s;
3316 dmu_buf_t *db;
3317 dmu_object_info_t doi;
3318
3319 if ((s = strchr(name, '/')) != NULL)
3320 *s = '\0';
3321 err = zap_lookup(os, obj, name, 8, 1, &child_obj);
3322
3323 (void) strlcat(curpath, name, sizeof (curpath));
3324
3325 if (err != 0) {
3326 (void) fprintf(stderr, "failed to lookup %s: %s\n",
3327 curpath, strerror(err));
3328 return (err);
3329 }
3330
3331 child_obj = ZFS_DIRENT_OBJ(child_obj);
3332 err = sa_buf_hold(os, child_obj, FTAG, &db);
3333 if (err != 0) {
3334 (void) fprintf(stderr,
3335 "failed to get SA dbuf for obj %llu: %s\n",
3336 (u_longlong_t)child_obj, strerror(err));
3337 return (EINVAL);
3338 }
3339 dmu_object_info_from_db(db, &doi);
3340 sa_buf_rele(db, FTAG);
3341
3342 if (doi.doi_bonus_type != DMU_OT_SA &&
3343 doi.doi_bonus_type != DMU_OT_ZNODE) {
3344 (void) fprintf(stderr, "invalid bonus type %d for obj %llu\n",
3345 doi.doi_bonus_type, (u_longlong_t)child_obj);
3346 return (EINVAL);
3347 }
3348
3349 if (dump_opt['v'] > 6) {
3350 (void) printf("obj=%llu %s type=%d bonustype=%d\n",
3351 (u_longlong_t)child_obj, curpath, doi.doi_type,
3352 doi.doi_bonus_type);
3353 }
3354
3355 (void) strlcat(curpath, "/", sizeof (curpath));
3356
3357 switch (doi.doi_type) {
3358 case DMU_OT_DIRECTORY_CONTENTS:
3359 if (s != NULL && *(s + 1) != '\0')
3360 return (dump_path_impl(os, child_obj, s + 1));
3361 /*FALLTHROUGH*/
3362 case DMU_OT_PLAIN_FILE_CONTENTS:
4c5b89f5 3363 dump_object(os, child_obj, dump_opt['v'], &header, NULL);
a44e7faa
BB		 3364 return (0);
3365 default:
3366 (void) fprintf(stderr, "object %llu has non-file/directory "
3367 "type %d\n", (u_longlong_t)obj, doi.doi_type);
3368 break;
3369 }
3370
3371 return (EINVAL);
3372}
3373
3374/*
3375 * Dump the blocks for the object specified by path inside the dataset.
3376 */
3377static int
3378dump_path(char *ds, char *path)
3379{
3380 int err;
3381 objset_t *os;
3382 uint64_t root_obj;
3383
30af21b0 3384 err = open_objset(ds, FTAG, &os);
a44e7faa
BB		 3385 if (err != 0)
3386 return (err);
3387
3388 err = zap_lookup(os, MASTER_NODE_OBJ, ZFS_ROOT_OBJ, 8, 1, &root_obj);
3389 if (err != 0) {
3390 (void) fprintf(stderr, "can't lookup root znode: %s\n",
3391 strerror(err));
30af21b0 3392 close_objset(os, FTAG);
a44e7faa
BB		 3393 return (EINVAL);
3394 }
3395
3396 (void) snprintf(curpath, sizeof (curpath), "dataset=%s path=/", ds);
3397
3398 err = dump_path_impl(os, root_obj, path);
3399
3400 close_objset(os, FTAG);
3401 return (err);
3402}
3403
3c9e0d67
OF		 3404static int
3405dump_label(const char *dev)
3406{
35a357a9 3407 char path[MAXPATHLEN];
cf89a4ec 3408 zdb_label_t labels[VDEV_LABELS];
428870ff 3409 uint64_t psize, ashift;
3c9e0d67
OF		 3410 struct stat64 statbuf;
3411 boolean_t config_found = B_FALSE;
3412 boolean_t error = B_FALSE;
3413 avl_tree_t config_tree;
3414 avl_tree_t uberblock_tree;
3415 void *node, *cookie;
3416 int fd;
3417
3418 bzero(labels, sizeof (labels));
34dc7c2f 3419
dbb38f66
YP		 3420 /*
3421 * Check if we were given absolute path and use it as is.
3422 * Otherwise if the provided vdev name doesn't point to a file,
3423 * try prepending expected disk paths and partition numbers.
3424 */
35a357a9 3425 (void) strlcpy(path, dev, sizeof (path));
dbb38f66
YP		 3426 if (dev[0] != '/' && stat64(path, &statbuf) != 0) {
3427 int error;
3428
3429 error = zfs_resolve_shortname(dev, path, MAXPATHLEN);
3430 if (error == 0 && zfs_dev_is_whole_disk(path)) {
3431 if (zfs_append_partition(path, MAXPATHLEN) == -1)
3432 error = ENOENT;
3433 }
3434
3435 if (error || (stat64(path, &statbuf) != 0)) {
3436 (void) printf("failed to find device %s, try "
3437 "specifying absolute path instead\n", dev);
3438 return (1);
3439 }
3440 }
428870ff
BB		 3441
3442 if ((fd = open64(path, O_RDONLY)) < 0) {
3443 (void) printf("cannot open '%s': %s\n", path, strerror(errno));
34dc7c2f
BB		 3444 exit(1);
3445 }
3446
8d4e8140 3447 if (fstat64_blk(fd, &statbuf) != 0) {
428870ff 3448 (void) printf("failed to stat '%s': %s\n", path,
34dc7c2f 3449 strerror(errno));
428870ff
BB		 3450 (void) close(fd);
3451 exit(1);
3452 }
3453
d46f0deb 3454 if (S_ISBLK(statbuf.st_mode) && zfs_dev_flush(fd) != 0)
c30e34fa 3455 (void) printf("failed to invalidate cache '%s' : %s\n", path,
3456 strerror(errno));
3457
3c9e0d67
OF		 3458 avl_create(&config_tree, cksum_record_compare,
3459 sizeof (cksum_record_t), offsetof(cksum_record_t, link));
3460 avl_create(&uberblock_tree, cksum_record_compare,
3461 sizeof (cksum_record_t), offsetof(cksum_record_t, link));
3462
34dc7c2f
BB		 3463 psize = statbuf.st_size;
3464 psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t));
3c9e0d67 3465 ashift = SPA_MINBLOCKSHIFT;
34dc7c2f 3466
3c9e0d67
OF		 3467 /*
3468 * 1. Read the label from disk
3469 * 2. Unpack the configuration and insert in config tree.
3470 * 3. Traverse all uberblocks and insert in uberblock tree.
3471 */
3472 for (int l = 0; l < VDEV_LABELS; l++) {
cf89a4ec 3473 zdb_label_t *label = &labels[l];
3c9e0d67
OF		 3474 char *buf = label->label.vl_vdev_phys.vp_nvlist;
3475 size_t buflen = sizeof (label->label.vl_vdev_phys.vp_nvlist);
3476 nvlist_t *config;
3477 cksum_record_t *rec;
3478 zio_cksum_t cksum;
3479 vdev_t vd;
3480
3481 if (pread64(fd, &label->label, sizeof (label->label),
3482 vdev_label_offset(psize, l, 0)) != sizeof (label->label)) {
35a357a9
DB		 3483 if (!dump_opt['q'])
3484 (void) printf("failed to read label %d\n", l);
3c9e0d67
OF		 3485 label->read_failed = B_TRUE;
3486 error = B_TRUE;
34dc7c2f
BB		 3487 continue;
3488 }
3489
3c9e0d67
OF		 3490 label->read_failed = B_FALSE;
3491
3492 if (nvlist_unpack(buf, buflen, &config, 0) == 0) {
428870ff 3493 nvlist_t *vdev_tree = NULL;
3c9e0d67 3494 size_t size;
428870ff 3495
428870ff
BB		 3496 if ((nvlist_lookup_nvlist(config,
3497 ZPOOL_CONFIG_VDEV_TREE, &vdev_tree) != 0) ||
3498 (nvlist_lookup_uint64(vdev_tree,
3499 ZPOOL_CONFIG_ASHIFT, &ashift) != 0))
3500 ashift = SPA_MINBLOCKSHIFT;
3c9e0d67
OF		 3501
3502 if (nvlist_size(config, &size, NV_ENCODE_XDR) != 0)
3503 size = buflen;
3504
3505 fletcher_4_native_varsize(buf, size, &cksum);
3506 rec = cksum_record_insert(&config_tree, &cksum, l);
3507
3508 label->config = rec;
3509 label->config_nv = config;
3510 config_found = B_TRUE;
3511 } else {
3512 error = B_TRUE;
34dc7c2f 3513 }
3c9e0d67
OF		 3514
3515 vd.vdev_ashift = ashift;
3516 vd.vdev_top = &vd;
3517
3518 for (int i = 0; i < VDEV_UBERBLOCK_COUNT(&vd); i++) {
3519 uint64_t uoff = VDEV_UBERBLOCK_OFFSET(&vd, i);
3520 uberblock_t *ub = (void *)((char *)label + uoff);
3521
3522 if (uberblock_verify(ub))
3523 continue;
3524
3525 fletcher_4_native_varsize(ub, sizeof (*ub), &cksum);
3526 rec = cksum_record_insert(&uberblock_tree, &cksum, l);
3527
3528 label->uberblocks[i] = rec;
3529 }
3530 }
3531
3532 /*
3533 * Dump the label and uberblocks.
3534 */
3535 for (int l = 0; l < VDEV_LABELS; l++) {
cf89a4ec 3536 zdb_label_t *label = &labels[l];
3c9e0d67
OF		 3537 size_t buflen = sizeof (label->label.vl_vdev_phys.vp_nvlist);
3538
3539 if (label->read_failed == B_TRUE)
3540 continue;
3541
3542 if (label->config_nv) {
3543 dump_config_from_label(label, buflen, l);
3544 } else {
3545 if (!dump_opt['q'])
3546 (void) printf("failed to unpack label %d\n", l);
3547 }
3548
428870ff 3549 if (dump_opt['u'])
3c9e0d67
OF		 3550 dump_label_uberblocks(label, ashift, l);
3551
3552 nvlist_free(label->config_nv);
34dc7c2f 3553 }
428870ff 3554
3c9e0d67
OF		 3555 cookie = NULL;
3556 while ((node = avl_destroy_nodes(&config_tree, &cookie)) != NULL)
3557 umem_free(node, sizeof (cksum_record_t));
3558
3559 cookie = NULL;
3560 while ((node = avl_destroy_nodes(&uberblock_tree, &cookie)) != NULL)
3561 umem_free(node, sizeof (cksum_record_t));
3562
3563 avl_destroy(&config_tree);
3564 avl_destroy(&uberblock_tree);
3565
428870ff 3566 (void) close(fd);
35a357a9 3567
3c9e0d67
OF		 3568 return (config_found == B_FALSE ? 2 :
3569 (error == B_TRUE ? 1 : 0));
34dc7c2f
BB		 3570}
3571
241b5415 3572static uint64_t dataset_feature_count[SPA_FEATURES];
30af21b0 3573static uint64_t global_feature_count[SPA_FEATURES];
a1d477c2 3574static uint64_t remap_deadlist_count = 0;
f1512ee6 3575
34dc7c2f
BB		 3576/*ARGSUSED*/
3577static int
37f03da8 3578dump_one_objset(const char *dsname, void *arg)
34dc7c2f
BB		 3579{
3580 int error;
3581 objset_t *os;
241b5415 3582 spa_feature_t f;
34dc7c2f 3583
30af21b0 3584 error = open_objset(dsname, FTAG, &os);
a44e7faa 3585 if (error != 0)
34dc7c2f 3586 return (0);
241b5415
MA		 3587
3588 for (f = 0; f < SPA_FEATURES; f++) {
d52d80b7 3589 if (!dsl_dataset_feature_is_active(dmu_objset_ds(os), f))
241b5415
MA		 3590 continue;
3591 ASSERT(spa_feature_table[f].fi_flags &
3592 ZFEATURE_FLAG_PER_DATASET);
3593 dataset_feature_count[f]++;
3594 }
3595
a1d477c2
MA		 3596 if (dsl_dataset_remap_deadlist_exists(dmu_objset_ds(os))) {
3597 remap_deadlist_count++;
3598 }
3599
30af21b0
PD		 3600 for (dsl_bookmark_node_t *dbn =
3601 avl_first(&dmu_objset_ds(os)->ds_bookmarks); dbn != NULL;
3602 dbn = AVL_NEXT(&dmu_objset_ds(os)->ds_bookmarks, dbn)) {
3603 mos_obj_refd(dbn->dbn_phys.zbm_redaction_obj);
3604 if (dbn->dbn_phys.zbm_redaction_obj != 0)
3605 global_feature_count[SPA_FEATURE_REDACTION_BOOKMARKS]++;
3606 if (dbn->dbn_phys.zbm_flags & ZBM_FLAG_HAS_FBN)
3607 global_feature_count[SPA_FEATURE_BOOKMARK_WRITTEN]++;
3608 }
3609
37f03da8
SH		 3610 if (dsl_deadlist_is_open(&dmu_objset_ds(os)->ds_dir->dd_livelist) &&
3611 !dmu_objset_is_snapshot(os)) {
3612 global_feature_count[SPA_FEATURE_LIVELIST]++;
3613 }
3614
3615 dump_objset(os);
a44e7faa 3616 close_objset(os, FTAG);
34dc7c2f
BB		 3617 fuid_table_destroy();
3618 return (0);
3619}
3620
34dc7c2f 3621/*
428870ff 3622 * Block statistics.
34dc7c2f 3623 */
f1512ee6 3624#define PSIZE_HISTO_SIZE (SPA_OLD_MAXBLOCKSIZE / SPA_MINBLOCKSIZE + 2)
34dc7c2f 3625typedef struct zdb_blkstats {
d5869641
MA		 3626 uint64_t zb_asize;
3627 uint64_t zb_lsize;
3628 uint64_t zb_psize;
3629 uint64_t zb_count;
83017311
MA		 3630 uint64_t zb_gangs;
3631 uint64_t zb_ditto_samevdev;
cc99f275 3632 uint64_t zb_ditto_same_ms;
d5869641 3633 uint64_t zb_psize_histogram[PSIZE_HISTO_SIZE];
34dc7c2f
BB		 3634} zdb_blkstats_t;
3635
428870ff
BB		 3636/*
3637 * Extended object types to report deferred frees and dedup auto-ditto blocks.
3638 */
3639#define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0)
3640#define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1)
9ae529ec
CS		 3641#define ZDB_OT_OTHER (DMU_OT_NUMTYPES + 2)
3642#define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 3)
428870ff 3643
867959b5 3644static const char *zdb_ot_extname[] = {
428870ff
BB		 3645 "deferred free",
3646 "dedup ditto",
9ae529ec 3647 "other",
428870ff
BB		 3648 "Total",
3649};
34dc7c2f 3650
b128c09f 3651#define ZB_TOTAL DN_MAX_LEVELS
34dc7c2f
BB		 3652
3653typedef struct zdb_cb {
428870ff 3654 zdb_blkstats_t zcb_type[ZB_TOTAL + 1][ZDB_OT_TOTAL + 1];
a1d477c2 3655 uint64_t zcb_removing_size;
d2734cce 3656 uint64_t zcb_checkpoint_size;
428870ff
BB		 3657 uint64_t zcb_dedup_asize;
3658 uint64_t zcb_dedup_blocks;
9b67f605
MA		 3659 uint64_t zcb_embedded_blocks[NUM_BP_EMBEDDED_TYPES];
3660 uint64_t zcb_embedded_histogram[NUM_BP_EMBEDDED_TYPES]
f0c26069 3661 [BPE_PAYLOAD_SIZE + 1];
d5869641 3662 uint64_t zcb_start;
867959b5 3663 hrtime_t zcb_lastprint;
d5869641 3664 uint64_t zcb_totalasize;
34dc7c2f 3665 uint64_t zcb_errors[256];
34dc7c2f
BB		 3666 int zcb_readfails;
3667 int zcb_haderrors;
428870ff 3668 spa_t *zcb_spa;
a1d477c2 3669 uint32_t **zcb_vd_obsolete_counts;
34dc7c2f
BB		 3670} zdb_cb_t;
3671
cc99f275
DB		 3672/* test if two DVA offsets from same vdev are within the same metaslab */
3673static boolean_t
3674same_metaslab(spa_t *spa, uint64_t vdev, uint64_t off1, uint64_t off2)
3675{
3676 vdev_t *vd = vdev_lookup_top(spa, vdev);
3677 uint64_t ms_shift = vd->vdev_ms_shift;
3678
3679 return ((off1 >> ms_shift) == (off2 >> ms_shift));
3680}
3681
34dc7c2f 3682static void
428870ff
BB		 3683zdb_count_block(zdb_cb_t *zcb, zilog_t *zilog, const blkptr_t *bp,
3684 dmu_object_type_t type)
34dc7c2f 3685{
428870ff 3686 uint64_t refcnt = 0;
d6320ddb 3687 int i;
428870ff
BB		 3688
3689 ASSERT(type < ZDB_OT_TOTAL);
3690
3691 if (zilog && zil_bp_tree_add(zilog, bp) != 0)
3692 return;
3693
cc99f275
DB		 3694 spa_config_enter(zcb->zcb_spa, SCL_CONFIG, FTAG, RW_READER);
3695
d6320ddb 3696 for (i = 0; i < 4; i++) {
34dc7c2f 3697 int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL;
428870ff 3698 int t = (i & 1) ? type : ZDB_OT_TOTAL;
83017311 3699 int equal;
34dc7c2f
BB		 3700 zdb_blkstats_t *zb = &zcb->zcb_type[l][t];
3701
3702 zb->zb_asize += BP_GET_ASIZE(bp);
3703 zb->zb_lsize += BP_GET_LSIZE(bp);
3704 zb->zb_psize += BP_GET_PSIZE(bp);
3705 zb->zb_count++;
f1512ee6
MA		 3706
3707 /*
3708 * The histogram is only big enough to record blocks up to
3709 * SPA_OLD_MAXBLOCKSIZE; larger blocks go into the last,
3710 * "other", bucket.
3711 */
867959b5 3712 unsigned idx = BP_GET_PSIZE(bp) >> SPA_MINBLOCKSHIFT;
f1512ee6
MA		 3713 idx = MIN(idx, SPA_OLD_MAXBLOCKSIZE / SPA_MINBLOCKSIZE + 1);
3714 zb->zb_psize_histogram[idx]++;
83017311
MA		 3715
3716 zb->zb_gangs += BP_COUNT_GANG(bp);
3717
3718 switch (BP_GET_NDVAS(bp)) {
3719 case 2:
3720 if (DVA_GET_VDEV(&bp->blk_dva[0]) ==
cc99f275 3721 DVA_GET_VDEV(&bp->blk_dva[1])) {
83017311 3722 zb->zb_ditto_samevdev++;
cc99f275
DB		 3723
3724 if (same_metaslab(zcb->zcb_spa,
3725 DVA_GET_VDEV(&bp->blk_dva[0]),
3726 DVA_GET_OFFSET(&bp->blk_dva[0]),
3727 DVA_GET_OFFSET(&bp->blk_dva[1])))
3728 zb->zb_ditto_same_ms++;
3729 }
83017311
MA		 3730 break;
3731 case 3:
3732 equal = (DVA_GET_VDEV(&bp->blk_dva[0]) ==
3733 DVA_GET_VDEV(&bp->blk_dva[1])) +
3734 (DVA_GET_VDEV(&bp->blk_dva[0]) ==
3735 DVA_GET_VDEV(&bp->blk_dva[2])) +
3736 (DVA_GET_VDEV(&bp->blk_dva[1]) ==
3737 DVA_GET_VDEV(&bp->blk_dva[2]));
cc99f275 3738 if (equal != 0) {
83017311 3739 zb->zb_ditto_samevdev++;
cc99f275
DB		 3740
3741 if (DVA_GET_VDEV(&bp->blk_dva[0]) ==
3742 DVA_GET_VDEV(&bp->blk_dva[1]) &&
3743 same_metaslab(zcb->zcb_spa,
3744 DVA_GET_VDEV(&bp->blk_dva[0]),
3745 DVA_GET_OFFSET(&bp->blk_dva[0]),
3746 DVA_GET_OFFSET(&bp->blk_dva[1])))
3747 zb->zb_ditto_same_ms++;
3748 else if (DVA_GET_VDEV(&bp->blk_dva[0]) ==
3749 DVA_GET_VDEV(&bp->blk_dva[2]) &&
3750 same_metaslab(zcb->zcb_spa,
3751 DVA_GET_VDEV(&bp->blk_dva[0]),
3752 DVA_GET_OFFSET(&bp->blk_dva[0]),
3753 DVA_GET_OFFSET(&bp->blk_dva[2])))
3754 zb->zb_ditto_same_ms++;
3755 else if (DVA_GET_VDEV(&bp->blk_dva[1]) ==
3756 DVA_GET_VDEV(&bp->blk_dva[2]) &&
3757 same_metaslab(zcb->zcb_spa,
3758 DVA_GET_VDEV(&bp->blk_dva[1]),
3759 DVA_GET_OFFSET(&bp->blk_dva[1]),
3760 DVA_GET_OFFSET(&bp->blk_dva[2])))
3761 zb->zb_ditto_same_ms++;
3762 }
83017311
MA		 3763 break;
3764 }
34dc7c2f
BB		 3765 }
3766
cc99f275
DB		 3767 spa_config_exit(zcb->zcb_spa, SCL_CONFIG, FTAG);
3768
9b67f605
MA		 3769 if (BP_IS_EMBEDDED(bp)) {
3770 zcb->zcb_embedded_blocks[BPE_GET_ETYPE(bp)]++;
3771 zcb->zcb_embedded_histogram[BPE_GET_ETYPE(bp)]
3772 [BPE_GET_PSIZE(bp)]++;
3773 return;
3774 }
3775
428870ff
BB		 3776 if (dump_opt['L'])
3777 return;
3778
3779 if (BP_GET_DEDUP(bp)) {
3780 ddt_t *ddt;
3781 ddt_entry_t *dde;
3782
3783 ddt = ddt_select(zcb->zcb_spa, bp);
3784 ddt_enter(ddt);
3785 dde = ddt_lookup(ddt, bp, B_FALSE);
3786
3787 if (dde == NULL) {
3788 refcnt = 0;
3789 } else {
3790 ddt_phys_t *ddp = ddt_phys_select(dde, bp);
3791 ddt_phys_decref(ddp);
3792 refcnt = ddp->ddp_refcnt;
3793 if (ddt_phys_total_refcnt(dde) == 0)
3794 ddt_remove(ddt, dde);
34dc7c2f 3795 }
428870ff 3796 ddt_exit(ddt);
34dc7c2f
BB		 3797 }
3798
428870ff 3799 VERIFY3U(zio_wait(zio_claim(NULL, zcb->zcb_spa,
d2734cce 3800 refcnt ? 0 : spa_min_claim_txg(zcb->zcb_spa),
428870ff 3801 bp, NULL, NULL, ZIO_FLAG_CANFAIL)), ==, 0);
34dc7c2f
BB		 3802}
3803
5853fe79
GW		 3804static void
3805zdb_blkptr_done(zio_t *zio)
3806{
3807 spa_t *spa = zio->io_spa;
3808 blkptr_t *bp = zio->io_bp;
3809 int ioerr = zio->io_error;
3810 zdb_cb_t *zcb = zio->io_private;
5dbd68a3 3811 zbookmark_phys_t *zb = &zio->io_bookmark;
5853fe79 3812
a6255b7f 3813 abd_free(zio->io_abd);
5853fe79
GW		 3814
3815 mutex_enter(&spa->spa_scrub_lock);
c8242a96 3816 spa->spa_load_verify_bytes -= BP_GET_PSIZE(bp);
5853fe79
GW		 3817 cv_broadcast(&spa->spa_scrub_io_cv);
3818
3819 if (ioerr && !(zio->io_flags & ZIO_FLAG_SPECULATIVE)) {
3820 char blkbuf[BP_SPRINTF_LEN];
3821
3822 zcb->zcb_haderrors = 1;
3823 zcb->zcb_errors[ioerr]++;
3824
3825 if (dump_opt['b'] >= 2)
b0bc7a84 3826 snprintf_blkptr(blkbuf, sizeof (blkbuf), bp);
5853fe79
GW		 3827 else
3828 blkbuf[0] = '\0';
3829
3830 (void) printf("zdb_blkptr_cb: "
3831 "Got error %d reading "
3832 "<%llu, %llu, %lld, %llx> %s -- skipping\n",
3833 ioerr,
3834 (u_longlong_t)zb->zb_objset,
3835 (u_longlong_t)zb->zb_object,
3836 (u_longlong_t)zb->zb_level,
3837 (u_longlong_t)zb->zb_blkid,
3838 blkbuf);
3839 }
3840 mutex_exit(&spa->spa_scrub_lock);
3841}
3842
34dc7c2f 3843static int
294f6806 3844zdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
5dbd68a3 3845 const zbookmark_phys_t *zb, const dnode_phys_t *dnp, void *arg)
34dc7c2f 3846{
34dc7c2f 3847 zdb_cb_t *zcb = arg;
9babb374 3848 dmu_object_type_t type;
428870ff 3849 boolean_t is_metadata;
34dc7c2f 3850
30af21b0 3851 if (zb->zb_level == ZB_DNODE_LEVEL)
fcff0f35
PD		 3852 return (0);
3853
b0bc7a84
MG		 3854 if (dump_opt['b'] >= 5 && bp->blk_birth > 0) {
3855 char blkbuf[BP_SPRINTF_LEN];
3856 snprintf_blkptr(blkbuf, sizeof (blkbuf), bp);
3857 (void) printf("objset %llu object %llu "
3858 "level %lld offset 0x%llx %s\n",
3859 (u_longlong_t)zb->zb_objset,
3860 (u_longlong_t)zb->zb_object,
3861 (longlong_t)zb->zb_level,
3862 (u_longlong_t)blkid2offset(dnp, bp, zb),
3863 blkbuf);
3864 }
3865
30af21b0 3866 if (BP_IS_HOLE(bp) || BP_IS_REDACTED(bp))
b128c09f
BB		 3867 return (0);
3868
9babb374
BB		 3869 type = BP_GET_TYPE(bp);
3870
9ae529ec
CS		 3871 zdb_count_block(zcb, zilog, bp,
3872 (type & DMU_OT_NEWTYPE) ? ZDB_OT_OTHER : type);
b128c09f 3873
9ae529ec 3874 is_metadata = (BP_GET_LEVEL(bp) != 0 || DMU_OT_IS_METADATA(type));
428870ff 3875
9b67f605
MA		 3876 if (!BP_IS_EMBEDDED(bp) &&
3877 (dump_opt['c'] > 1 || (dump_opt['c'] && is_metadata))) {
428870ff 3878 size_t size = BP_GET_PSIZE(bp);
a6255b7f 3879 abd_t *abd = abd_alloc(size, B_FALSE);
428870ff 3880 int flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB | ZIO_FLAG_RAW;
9babb374 3881
428870ff
BB		 3882 /* If it's an intent log block, failure is expected. */
3883 if (zb->zb_level == ZB_ZIL_LEVEL)
3884 flags |= ZIO_FLAG_SPECULATIVE;
b128c09f 3885
5853fe79 3886 mutex_enter(&spa->spa_scrub_lock);
c8242a96 3887 while (spa->spa_load_verify_bytes > max_inflight_bytes)
5853fe79 3888 cv_wait(&spa->spa_scrub_io_cv, &spa->spa_scrub_lock);
c8242a96 3889 spa->spa_load_verify_bytes += size;
5853fe79 3890 mutex_exit(&spa->spa_scrub_lock);
428870ff 3891
a6255b7f 3892 zio_nowait(zio_read(NULL, spa, bp, abd, size,
5853fe79 3893 zdb_blkptr_done, zcb, ZIO_PRIORITY_ASYNC_READ, flags, zb));
34dc7c2f
BB		 3894 }
3895
3896 zcb->zcb_readfails = 0;
3897
e5fd1dd6
MA		 3898 /* only call gethrtime() every 100 blocks */
3899 static int iters;
3900 if (++iters > 100)
3901 iters = 0;
3902 else
3903 return (0);
3904
3905 if (dump_opt['b'] < 5 && gethrtime() > zcb->zcb_lastprint + NANOSEC) {
d5869641
MA		 3906 uint64_t now = gethrtime();
3907 char buf[10];
3908 uint64_t bytes = zcb->zcb_type[ZB_TOTAL][ZDB_OT_TOTAL].zb_asize;
3909 int kb_per_sec =
3910 1 + bytes / (1 + ((now - zcb->zcb_start) / 1000 / 1000));
3911 int sec_remaining =
3912 (zcb->zcb_totalasize - bytes) / 1024 / kb_per_sec;
3913
f3c8c9e6
JK		 3914 /* make sure nicenum has enough space */
3915 CTASSERT(sizeof (buf) >= NN_NUMBUF_SZ);
3916
e7fbeb60 3917 zfs_nicebytes(bytes, buf, sizeof (buf));
d5869641
MA		 3918 (void) fprintf(stderr,
3919 "\r%5s completed (%4dMB/s) "
3920 "estimated time remaining: %uhr %02umin %02usec ",
3921 buf, kb_per_sec / 1024,
3922 sec_remaining / 60 / 60,
3923 sec_remaining / 60 % 60,
3924 sec_remaining % 60);
3925
3926 zcb->zcb_lastprint = now;
3927 }
3928
34dc7c2f
BB		 3929 return (0);
3930}
3931
428870ff 3932static void
93cf2076 3933zdb_leak(void *arg, uint64_t start, uint64_t size)
428870ff 3934{
93cf2076 3935 vdev_t *vd = arg;
428870ff
BB		 3936
3937 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n",
3938 (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size);
3939}
3940
93cf2076 3941static metaslab_ops_t zdb_metaslab_ops = {
f3a7f661 3942 NULL /* alloc */
428870ff
BB		 3943};
3944
93e28d66
SD		 3945typedef int (*zdb_log_sm_cb_t)(spa_t *spa, space_map_entry_t *sme,
3946 uint64_t txg, void *arg);
3947
3948typedef struct unflushed_iter_cb_arg {
3949 spa_t *uic_spa;
3950 uint64_t uic_txg;
3951 void *uic_arg;
3952 zdb_log_sm_cb_t uic_cb;
3953} unflushed_iter_cb_arg_t;
3954
3955static int
3956iterate_through_spacemap_logs_cb(space_map_entry_t *sme, void *arg)
3957{
3958 unflushed_iter_cb_arg_t *uic = arg;
3959 return (uic->uic_cb(uic->uic_spa, sme, uic->uic_txg, uic->uic_arg));
3960}
3961
3962static void
3963iterate_through_spacemap_logs(spa_t *spa, zdb_log_sm_cb_t cb, void *arg)
3964{
3965 if (!spa_feature_is_active(spa, SPA_FEATURE_LOG_SPACEMAP))
3966 return;
3967
3968 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
3969 for (spa_log_sm_t *sls = avl_first(&spa->spa_sm_logs_by_txg);
3970 sls; sls = AVL_NEXT(&spa->spa_sm_logs_by_txg, sls)) {
3971 space_map_t *sm = NULL;
3972 VERIFY0(space_map_open(&sm, spa_meta_objset(spa),
3973 sls->sls_sm_obj, 0, UINT64_MAX, SPA_MINBLOCKSHIFT));
3974
3975 unflushed_iter_cb_arg_t uic = {
3976 .uic_spa = spa,
3977 .uic_txg = sls->sls_txg,
3978 .uic_arg = arg,
3979 .uic_cb = cb
3980 };
3981
3982 VERIFY0(space_map_iterate(sm, space_map_length(sm),
3983 iterate_through_spacemap_logs_cb, &uic));
3984 space_map_close(sm);
3985 }
3986 spa_config_exit(spa, SCL_CONFIG, FTAG);
3987}
3988
3989/* ARGSUSED */
3990static int
3991load_unflushed_svr_segs_cb(spa_t *spa, space_map_entry_t *sme,
3992 uint64_t txg, void *arg)
3993{
3994 spa_vdev_removal_t *svr = arg;
3995
3996 uint64_t offset = sme->sme_offset;
3997 uint64_t size = sme->sme_run;
3998
3999 /* skip vdevs we don't care about */
4000 if (sme->sme_vdev != svr->svr_vdev_id)
4001 return (0);
4002
4003 vdev_t *vd = vdev_lookup_top(spa, sme->sme_vdev);
4004 metaslab_t *ms = vd->vdev_ms[offset >> vd->vdev_ms_shift];
4005 ASSERT(sme->sme_type == SM_ALLOC || sme->sme_type == SM_FREE);
4006
4007 if (txg < metaslab_unflushed_txg(ms))
4008 return (0);
4009
4010 vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping;
4011 ASSERT(vim != NULL);
4012 if (offset >= vdev_indirect_mapping_max_offset(vim))
4013 return (0);
4014
4015 if (sme->sme_type == SM_ALLOC)
4016 range_tree_add(svr->svr_allocd_segs, offset, size);
4017 else
4018 range_tree_remove(svr->svr_allocd_segs, offset, size);
4019
4020 return (0);
4021}
4022
a1d477c2
MA		 4023/* ARGSUSED */
4024static void
4025claim_segment_impl_cb(uint64_t inner_offset, vdev_t *vd, uint64_t offset,
4026 uint64_t size, void *arg)
4027{
4028 /*
4029 * This callback was called through a remap from
4030 * a device being removed. Therefore, the vdev that
4031 * this callback is applied to is a concrete
4032 * vdev.
4033 */
4034 ASSERT(vdev_is_concrete(vd));
4035
4036 VERIFY0(metaslab_claim_impl(vd, offset, size,
d2734cce 4037 spa_min_claim_txg(vd->vdev_spa)));
a1d477c2
MA		 4038}
4039
4040static void
4041claim_segment_cb(void *arg, uint64_t offset, uint64_t size)
4042{
4043 vdev_t *vd = arg;
4044
4045 vdev_indirect_ops.vdev_op_remap(vd, offset, size,
4046 claim_segment_impl_cb, NULL);
4047}
4048
4049/*
4050 * After accounting for all allocated blocks that are directly referenced,
4051 * we might have missed a reference to a block from a partially complete
4052 * (and thus unused) indirect mapping object. We perform a secondary pass
4053 * through the metaslabs we have already mapped and claim the destination
4054 * blocks.
4055 */
4056static void
4057zdb_claim_removing(spa_t *spa, zdb_cb_t *zcb)
4058{
21e7cf5d
SD		 4059 if (dump_opt['L'])
4060 return;
4061
a1d477c2
MA		 4062 if (spa->spa_vdev_removal == NULL)
4063 return;
4064
4065 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
4066
4067 spa_vdev_removal_t *svr = spa->spa_vdev_removal;
9e052db4 4068 vdev_t *vd = vdev_lookup_top(spa, svr->svr_vdev_id);
a1d477c2
MA		 4069 vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping;
4070
93e28d66
SD		 4071 ASSERT0(range_tree_space(svr->svr_allocd_segs));
4072
ca577779 4073 range_tree_t *allocs = range_tree_create(NULL, RANGE_SEG64, NULL, 0, 0);
a1d477c2
MA		 4074 for (uint64_t msi = 0; msi < vd->vdev_ms_count; msi++) {
4075 metaslab_t *msp = vd->vdev_ms[msi];
4076
4077 if (msp->ms_start >= vdev_indirect_mapping_max_offset(vim))
4078 break;
4079
93e28d66
SD		 4080 ASSERT0(range_tree_space(allocs));
4081 if (msp->ms_sm != NULL)
4082 VERIFY0(space_map_load(msp->ms_sm, allocs, SM_ALLOC));
4083 range_tree_vacate(allocs, range_tree_add, svr->svr_allocd_segs);
4084 }
4085 range_tree_destroy(allocs);
a1d477c2 4086
93e28d66 4087 iterate_through_spacemap_logs(spa, load_unflushed_svr_segs_cb, svr);
a1d477c2 4088
93e28d66
SD		 4089 /*
4090 * Clear everything past what has been synced,
4091 * because we have not allocated mappings for
4092 * it yet.
4093 */
4094 range_tree_clear(svr->svr_allocd_segs,
4095 vdev_indirect_mapping_max_offset(vim),
4096 vd->vdev_asize - vdev_indirect_mapping_max_offset(vim));
a1d477c2 4097
93e28d66
SD		 4098 zcb->zcb_removing_size += range_tree_space(svr->svr_allocd_segs);
4099 range_tree_vacate(svr->svr_allocd_segs, claim_segment_cb, vd);
a1d477c2
MA		 4100
4101 spa_config_exit(spa, SCL_CONFIG, FTAG);
4102}
4103
a1d477c2
MA		 4104/* ARGSUSED */
4105static int
37f03da8
SH		 4106increment_indirect_mapping_cb(void *arg, const blkptr_t *bp, boolean_t bp_freed,
4107 dmu_tx_t *tx)
a1d477c2
MA		 4108{
4109 zdb_cb_t *zcb = arg;
4110 spa_t *spa = zcb->zcb_spa;
4111 vdev_t *vd;
4112 const dva_t *dva = &bp->blk_dva[0];
4113
37f03da8 4114 ASSERT(!bp_freed);
a1d477c2
MA		 4115 ASSERT(!dump_opt['L']);
4116 ASSERT3U(BP_GET_NDVAS(bp), ==, 1);
4117
4118 spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER);
4119 vd = vdev_lookup_top(zcb->zcb_spa, DVA_GET_VDEV(dva));
4120 ASSERT3P(vd, !=, NULL);
4121 spa_config_exit(spa, SCL_VDEV, FTAG);
4122
4123 ASSERT(vd->vdev_indirect_config.vic_mapping_object != 0);
4124 ASSERT3P(zcb->zcb_vd_obsolete_counts[vd->vdev_id], !=, NULL);
4125
4126 vdev_indirect_mapping_increment_obsolete_count(
4127 vd->vdev_indirect_mapping,
4128 DVA_GET_OFFSET(dva), DVA_GET_ASIZE(dva),
4129 zcb->zcb_vd_obsolete_counts[vd->vdev_id]);
4130
4131 return (0);
4132}
4133
4134static uint32_t *
4135zdb_load_obsolete_counts(vdev_t *vd)
4136{
4137 vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping;
4138 spa_t *spa = vd->vdev_spa;
4139 spa_condensing_indirect_phys_t *scip =
4140 &spa->spa_condensing_indirect_phys;
27f80e85 4141 uint64_t obsolete_sm_object;
a1d477c2
MA		 4142 uint32_t *counts;
4143
27f80e85
BB		 4144 VERIFY0(vdev_obsolete_sm_object(vd, &obsolete_sm_object));
4145 EQUIV(obsolete_sm_object != 0, vd->vdev_obsolete_sm != NULL);
a1d477c2
MA		 4146 counts = vdev_indirect_mapping_load_obsolete_counts(vim);
4147 if (vd->vdev_obsolete_sm != NULL) {
4148 vdev_indirect_mapping_load_obsolete_spacemap(vim, counts,
4149 vd->vdev_obsolete_sm);
4150 }
4151 if (scip->scip_vdev == vd->vdev_id &&
4152 scip->scip_prev_obsolete_sm_object != 0) {
4153 space_map_t *prev_obsolete_sm = NULL;
4154 VERIFY0(space_map_open(&prev_obsolete_sm, spa->spa_meta_objset,
4155 scip->scip_prev_obsolete_sm_object, 0, vd->vdev_asize, 0));
a1d477c2
MA		 4156 vdev_indirect_mapping_load_obsolete_spacemap(vim, counts,
4157 prev_obsolete_sm);
4158 space_map_close(prev_obsolete_sm);
4159 }
4160 return (counts);
4161}
4162
428870ff
BB		 4163static void
4164zdb_ddt_leak_init(spa_t *spa, zdb_cb_t *zcb)
4165{
867959b5 4166 ddt_bookmark_t ddb;
428870ff
BB		 4167 ddt_entry_t dde;
4168 int error;
d6320ddb 4169 int p;
428870ff 4170
21e7cf5d
SD		 4171 ASSERT(!dump_opt['L']);
4172
867959b5 4173 bzero(&ddb, sizeof (ddb));
428870ff
BB		 4174 while ((error = ddt_walk(spa, &ddb, &dde)) == 0) {
4175 blkptr_t blk;
4176 ddt_phys_t *ddp = dde.dde_phys;
4177
4178 if (ddb.ddb_class == DDT_CLASS_UNIQUE)
4179 return;
4180
4181 ASSERT(ddt_phys_total_refcnt(&dde) > 1);
4182
d6320ddb 4183 for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
428870ff
BB		 4184 if (ddp->ddp_phys_birth == 0)
4185 continue;
4186 ddt_bp_create(ddb.ddb_checksum,
4187 &dde.dde_key, ddp, &blk);
4188 if (p == DDT_PHYS_DITTO) {
4189 zdb_count_block(zcb, NULL, &blk, ZDB_OT_DITTO);
4190 } else {
4191 zcb->zcb_dedup_asize +=
4192 BP_GET_ASIZE(&blk) * (ddp->ddp_refcnt - 1);
4193 zcb->zcb_dedup_blocks++;
4194 }
4195 }
21e7cf5d
SD		 4196 ddt_t *ddt = spa->spa_ddt[ddb.ddb_checksum];
4197 ddt_enter(ddt);
4198 VERIFY(ddt_lookup(ddt, &blk, B_TRUE) != NULL);
4199 ddt_exit(ddt);
428870ff
BB		 4200 }
4201
4202 ASSERT(error == ENOENT);
4203}
4204
d2734cce
SD		 4205typedef struct checkpoint_sm_exclude_entry_arg {
4206 vdev_t *cseea_vd;
4207 uint64_t cseea_checkpoint_size;
4208} checkpoint_sm_exclude_entry_arg_t;
4209
4210static int
4d044c4c 4211checkpoint_sm_exclude_entry_cb(space_map_entry_t *sme, void *arg)
d2734cce
SD		 4212{
4213 checkpoint_sm_exclude_entry_arg_t *cseea = arg;
4214 vdev_t *vd = cseea->cseea_vd;
4d044c4c
SD		 4215 metaslab_t *ms = vd->vdev_ms[sme->sme_offset >> vd->vdev_ms_shift];
4216 uint64_t end = sme->sme_offset + sme->sme_run;
d2734cce 4217
4d044c4c 4218 ASSERT(sme->sme_type == SM_FREE);
d2734cce
SD		 4219
4220 /*
4221 * Since the vdev_checkpoint_sm exists in the vdev level
4222 * and the ms_sm space maps exist in the metaslab level,
4223 * an entry in the checkpoint space map could theoretically
4224 * cross the boundaries of the metaslab that it belongs.
4225 *
4226 * In reality, because of the way that we populate and
4227 * manipulate the checkpoint's space maps currently,
4228 * there shouldn't be any entries that cross metaslabs.
4229 * Hence the assertion below.
4230 *
4231 * That said, there is no fundamental requirement that
4232 * the checkpoint's space map entries should not cross
4233 * metaslab boundaries. So if needed we could add code
4234 * that handles metaslab-crossing segments in the future.
4235 */
4d044c4c 4236 VERIFY3U(sme->sme_offset, >=, ms->ms_start);
d2734cce
SD		 4237 VERIFY3U(end, <=, ms->ms_start + ms->ms_size);
4238
4239 /*
4240 * By removing the entry from the allocated segments we
4241 * also verify that the entry is there to begin with.
4242 */
4243 mutex_enter(&ms->ms_lock);
4d044c4c 4244 range_tree_remove(ms->ms_allocatable, sme->sme_offset, sme->sme_run);
d2734cce
SD		 4245 mutex_exit(&ms->ms_lock);
4246
4d044c4c 4247 cseea->cseea_checkpoint_size += sme->sme_run;
d2734cce
SD		 4248 return (0);
4249}
4250
4251static void
4252zdb_leak_init_vdev_exclude_checkpoint(vdev_t *vd, zdb_cb_t *zcb)
4253{
4254 spa_t *spa = vd->vdev_spa;
4255 space_map_t *checkpoint_sm = NULL;
4256 uint64_t checkpoint_sm_obj;
4257
4258 /*
4259 * If there is no vdev_top_zap, we are in a pool whose
4260 * version predates the pool checkpoint feature.
4261 */
4262 if (vd->vdev_top_zap == 0)
4263 return;
4264
4265 /*
4266 * If there is no reference of the vdev_checkpoint_sm in
4267 * the vdev_top_zap, then one of the following scenarios
4268 * is true:
4269 *
4270 * 1] There is no checkpoint
4271 * 2] There is a checkpoint, but no checkpointed blocks
4272 * have been freed yet
4273 * 3] The current vdev is indirect
4274 *
4275 * In these cases we return immediately.
4276 */
4277 if (zap_contains(spa_meta_objset(spa), vd->vdev_top_zap,
4278 VDEV_TOP_ZAP_POOL_CHECKPOINT_SM) != 0)
4279 return;
4280
4281 VERIFY0(zap_lookup(spa_meta_objset(spa), vd->vdev_top_zap,
4282 VDEV_TOP_ZAP_POOL_CHECKPOINT_SM, sizeof (uint64_t), 1,
4283 &checkpoint_sm_obj));
4284
4285 checkpoint_sm_exclude_entry_arg_t cseea;
4286 cseea.cseea_vd = vd;
4287 cseea.cseea_checkpoint_size = 0;
4288
4289 VERIFY0(space_map_open(&checkpoint_sm, spa_meta_objset(spa),
4290 checkpoint_sm_obj, 0, vd->vdev_asize, vd->vdev_ashift));
d2734cce
SD		 4291
4292 VERIFY0(space_map_iterate(checkpoint_sm,
425d3237 4293 space_map_length(checkpoint_sm),
d2734cce
SD		 4294 checkpoint_sm_exclude_entry_cb, &cseea));
4295 space_map_close(checkpoint_sm);
4296
4297 zcb->zcb_checkpoint_size += cseea.cseea_checkpoint_size;
4298}
4299
4300static void
4301zdb_leak_init_exclude_checkpoint(spa_t *spa, zdb_cb_t *zcb)
4302{
21e7cf5d
SD		 4303 ASSERT(!dump_opt['L']);
4304
d2734cce
SD		 4305 vdev_t *rvd = spa->spa_root_vdev;
4306 for (uint64_t c = 0; c < rvd->vdev_children; c++) {
4307 ASSERT3U(c, ==, rvd->vdev_child[c]->vdev_id);
4308 zdb_leak_init_vdev_exclude_checkpoint(rvd->vdev_child[c], zcb);
4309 }
4310}
4311
93e28d66
SD		 4312static int
4313count_unflushed_space_cb(spa_t *spa, space_map_entry_t *sme,
4314 uint64_t txg, void *arg)
4315{
4316 int64_t *ualloc_space = arg;
4317
4318 uint64_t offset = sme->sme_offset;
4319 uint64_t vdev_id = sme->sme_vdev;
4320
4321 vdev_t *vd = vdev_lookup_top(spa, vdev_id);
4322 if (!vdev_is_concrete(vd))
4323 return (0);
4324
4325 metaslab_t *ms = vd->vdev_ms[offset >> vd->vdev_ms_shift];
4326 ASSERT(sme->sme_type == SM_ALLOC || sme->sme_type == SM_FREE);
4327
4328 if (txg < metaslab_unflushed_txg(ms))
4329 return (0);
4330
4331 if (sme->sme_type == SM_ALLOC)
4332 *ualloc_space += sme->sme_run;
4333 else
4334 *ualloc_space -= sme->sme_run;
4335
4336 return (0);
4337}
4338
4339static int64_t
4340get_unflushed_alloc_space(spa_t *spa)
4341{
4342 if (dump_opt['L'])
4343 return (0);
4344
4345 int64_t ualloc_space = 0;
4346 iterate_through_spacemap_logs(spa, count_unflushed_space_cb,
4347 &ualloc_space);
4348 return (ualloc_space);
4349}
4350
4351static int
4352load_unflushed_cb(spa_t *spa, space_map_entry_t *sme, uint64_t txg, void *arg)
4353{
4354 maptype_t *uic_maptype = arg;
4355
4356 uint64_t offset = sme->sme_offset;
4357 uint64_t size = sme->sme_run;
4358 uint64_t vdev_id = sme->sme_vdev;
4359
4360 vdev_t *vd = vdev_lookup_top(spa, vdev_id);
4361
4362 /* skip indirect vdevs */
4363 if (!vdev_is_concrete(vd))
4364 return (0);
4365
4366 metaslab_t *ms = vd->vdev_ms[offset >> vd->vdev_ms_shift];
4367
4368 ASSERT(sme->sme_type == SM_ALLOC || sme->sme_type == SM_FREE);
4369 ASSERT(*uic_maptype == SM_ALLOC || *uic_maptype == SM_FREE);
4370
4371 if (txg < metaslab_unflushed_txg(ms))
4372 return (0);
4373
4374 if (*uic_maptype == sme->sme_type)
4375 range_tree_add(ms->ms_allocatable, offset, size);
4376 else
4377 range_tree_remove(ms->ms_allocatable, offset, size);
4378
4379 return (0);
4380}
4381
4382static void
4383load_unflushed_to_ms_allocatables(spa_t *spa, maptype_t maptype)
4384{
4385 iterate_through_spacemap_logs(spa, load_unflushed_cb, &maptype);
4386}
4387
d2734cce
SD		 4388static void
4389load_concrete_ms_allocatable_trees(spa_t *spa, maptype_t maptype)
4390{
4391 vdev_t *rvd = spa->spa_root_vdev;
4392 for (uint64_t i = 0; i < rvd->vdev_children; i++) {
4393 vdev_t *vd = rvd->vdev_child[i];
4394
4395 ASSERT3U(i, ==, vd->vdev_id);
4396
4397 if (vd->vdev_ops == &vdev_indirect_ops)
4398 continue;
4399
4400 for (uint64_t m = 0; m < vd->vdev_ms_count; m++) {
4401 metaslab_t *msp = vd->vdev_ms[m];
4402
4403 (void) fprintf(stderr,
4404 "\rloading concrete vdev %llu, "
4405 "metaslab %llu of %llu ...",
4406 (longlong_t)vd->vdev_id,
4407 (longlong_t)msp->ms_id,
4408 (longlong_t)vd->vdev_ms_count);
4409
4410 mutex_enter(&msp->ms_lock);
93e28d66 4411 range_tree_vacate(msp->ms_allocatable, NULL, NULL);
d2734cce
SD		 4412
4413 /*
4414 * We don't want to spend the CPU manipulating the
4415 * size-ordered tree, so clear the range_tree ops.
4416 */
4417 msp->ms_allocatable->rt_ops = NULL;
4418
4419 if (msp->ms_sm != NULL) {
4420 VERIFY0(space_map_load(msp->ms_sm,
4421 msp->ms_allocatable, maptype));
4422 }
4423 if (!msp->ms_loaded)
4424 msp->ms_loaded = B_TRUE;
4425 mutex_exit(&msp->ms_lock);
4426 }
4427 }
93e28d66
SD		 4428
4429 load_unflushed_to_ms_allocatables(spa, maptype);
d2734cce
SD		 4430}
4431
4432/*
4433 * vm_idxp is an in-out parameter which (for indirect vdevs) is the
4434 * index in vim_entries that has the first entry in this metaslab.
4435 * On return, it will be set to the first entry after this metaslab.
4436 */
4437static void
4438load_indirect_ms_allocatable_tree(vdev_t *vd, metaslab_t *msp,
4439 uint64_t *vim_idxp)
4440{
4441 vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping;
4442
4443 mutex_enter(&msp->ms_lock);
93e28d66 4444 range_tree_vacate(msp->ms_allocatable, NULL, NULL);
d2734cce
SD		 4445
4446 /*
4447 * We don't want to spend the CPU manipulating the
4448 * size-ordered tree, so clear the range_tree ops.
4449 */
4450 msp->ms_allocatable->rt_ops = NULL;
4451
4452 for (; *vim_idxp < vdev_indirect_mapping_num_entries(vim);
4453 (*vim_idxp)++) {
4454 vdev_indirect_mapping_entry_phys_t *vimep =
4455 &vim->vim_entries[*vim_idxp];
4456 uint64_t ent_offset = DVA_MAPPING_GET_SRC_OFFSET(vimep);
4457 uint64_t ent_len = DVA_GET_ASIZE(&vimep->vimep_dst);
4458 ASSERT3U(ent_offset, >=, msp->ms_start);
4459 if (ent_offset >= msp->ms_start + msp->ms_size)
4460 break;
4461
4462 /*
4463 * Mappings do not cross metaslab boundaries,
4464 * because we create them by walking the metaslabs.
4465 */
4466 ASSERT3U(ent_offset + ent_len, <=,
4467 msp->ms_start + msp->ms_size);
4468 range_tree_add(msp->ms_allocatable, ent_offset, ent_len);
4469 }
4470
4471 if (!msp->ms_loaded)
4472 msp->ms_loaded = B_TRUE;
4473 mutex_exit(&msp->ms_lock);
4474}
4475
4476static void
4477zdb_leak_init_prepare_indirect_vdevs(spa_t *spa, zdb_cb_t *zcb)
4478{
21e7cf5d
SD		 4479 ASSERT(!dump_opt['L']);
4480
d2734cce
SD		 4481 vdev_t *rvd = spa->spa_root_vdev;
4482 for (uint64_t c = 0; c < rvd->vdev_children; c++) {
4483 vdev_t *vd = rvd->vdev_child[c];
4484
4485 ASSERT3U(c, ==, vd->vdev_id);
4486
4487 if (vd->vdev_ops != &vdev_indirect_ops)
4488 continue;
4489
4490 /*
4491 * Note: we don't check for mapping leaks on
4492 * removing vdevs because their ms_allocatable's
4493 * are used to look for leaks in allocated space.
4494 */
4495 zcb->zcb_vd_obsolete_counts[c] = zdb_load_obsolete_counts(vd);
4496
4497 /*
4498 * Normally, indirect vdevs don't have any
4499 * metaslabs. We want to set them up for
4500 * zio_claim().
4501 */
4502 VERIFY0(vdev_metaslab_init(vd, 0));
4503
4504 vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping;
4505 uint64_t vim_idx = 0;
4506 for (uint64_t m = 0; m < vd->vdev_ms_count; m++) {
4507
4508 (void) fprintf(stderr,
4509 "\rloading indirect vdev %llu, "
4510 "metaslab %llu of %llu ...",
4511 (longlong_t)vd->vdev_id,
4512 (longlong_t)vd->vdev_ms[m]->ms_id,
4513 (longlong_t)vd->vdev_ms_count);
4514
4515 load_indirect_ms_allocatable_tree(vd, vd->vdev_ms[m],
4516 &vim_idx);
4517 }
4518 ASSERT3U(vim_idx, ==, vdev_indirect_mapping_num_entries(vim));
4519 }
4520}
4521
428870ff
BB		 4522static void
4523zdb_leak_init(spa_t *spa, zdb_cb_t *zcb)
4524{
4525 zcb->zcb_spa = spa;
4526
21e7cf5d
SD		 4527 if (dump_opt['L'])
4528 return;
4e21fd06 4529
21e7cf5d
SD		 4530 dsl_pool_t *dp = spa->spa_dsl_pool;
4531 vdev_t *rvd = spa->spa_root_vdev;
4e21fd06 4532
21e7cf5d
SD		 4533 /*
4534 * We are going to be changing the meaning of the metaslab's
4535 * ms_allocatable. Ensure that the allocator doesn't try to
4536 * use the tree.
4537 */
4538 spa->spa_normal_class->mc_ops = &zdb_metaslab_ops;
4539 spa->spa_log_class->mc_ops = &zdb_metaslab_ops;
a1d477c2 4540
21e7cf5d
SD		 4541 zcb->zcb_vd_obsolete_counts =
4542 umem_zalloc(rvd->vdev_children * sizeof (uint32_t *),
4543 UMEM_NOFAIL);
93cf2076 4544
21e7cf5d
SD		 4545 /*
4546 * For leak detection, we overload the ms_allocatable trees
4547 * to contain allocated segments instead of free segments.
4548 * As a result, we can't use the normal metaslab_load/unload
4549 * interfaces.
4550 */
4551 zdb_leak_init_prepare_indirect_vdevs(spa, zcb);
4552 load_concrete_ms_allocatable_trees(spa, SM_ALLOC);
a1d477c2 4553
21e7cf5d
SD		 4554 /*
4555 * On load_concrete_ms_allocatable_trees() we loaded all the
4556 * allocated entries from the ms_sm to the ms_allocatable for
4557 * each metaslab. If the pool has a checkpoint or is in the
4558 * middle of discarding a checkpoint, some of these blocks
4559 * may have been freed but their ms_sm may not have been
4560 * updated because they are referenced by the checkpoint. In
4561 * order to avoid false-positives during leak-detection, we
4562 * go through the vdev's checkpoint space map and exclude all
4563 * its entries from their relevant ms_allocatable.
4564 *
4565 * We also aggregate the space held by the checkpoint and add
4566 * it to zcb_checkpoint_size.
4567 *
4568 * Note that at this point we are also verifying that all the
4569 * entries on the checkpoint_sm are marked as allocated in
4570 * the ms_sm of their relevant metaslab.
4571 * [see comment in checkpoint_sm_exclude_entry_cb()]
4572 */
4573 zdb_leak_init_exclude_checkpoint(spa, zcb);
4574 ASSERT3U(zcb->zcb_checkpoint_size, ==, spa_get_checkpoint_space(spa));
a1d477c2 4575
21e7cf5d
SD		 4576 /* for cleaner progress output */
4577 (void) fprintf(stderr, "\n");
4578
4579 if (bpobj_is_open(&dp->dp_obsolete_bpobj)) {
4580 ASSERT(spa_feature_is_enabled(spa,
4581 SPA_FEATURE_DEVICE_REMOVAL));
4582 (void) bpobj_iterate_nofree(&dp->dp_obsolete_bpobj,
4583 increment_indirect_mapping_cb, zcb, NULL);
428870ff
BB		 4584 }
4585
4586 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
428870ff 4587 zdb_ddt_leak_init(spa, zcb);
428870ff
BB		 4588 spa_config_exit(spa, SCL_CONFIG, FTAG);
4589}
4590
a1d477c2
MA		 4591static boolean_t
4592zdb_check_for_obsolete_leaks(vdev_t *vd, zdb_cb_t *zcb)
4593{
4594 boolean_t leaks = B_FALSE;
4595 vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping;
4596 uint64_t total_leaked = 0;
27f80e85 4597 boolean_t are_precise = B_FALSE;
a1d477c2
MA		 4598
4599 ASSERT(vim != NULL);
4600
4601 for (uint64_t i = 0; i < vdev_indirect_mapping_num_entries(vim); i++) {
4602 vdev_indirect_mapping_entry_phys_t *vimep =
4603 &vim->vim_entries[i];
4604 uint64_t obsolete_bytes = 0;
4605 uint64_t offset = DVA_MAPPING_GET_SRC_OFFSET(vimep);
4606 metaslab_t *msp = vd->vdev_ms[offset >> vd->vdev_ms_shift];
4607
4608 /*
4609 * This is not very efficient but it's easy to
4610 * verify correctness.
4611 */
4612 for (uint64_t inner_offset = 0;
4613 inner_offset < DVA_GET_ASIZE(&vimep->vimep_dst);
4614 inner_offset += 1 << vd->vdev_ashift) {
d2734cce 4615 if (range_tree_contains(msp->ms_allocatable,
a1d477c2
MA		 4616 offset + inner_offset, 1 << vd->vdev_ashift)) {
4617 obsolete_bytes += 1 << vd->vdev_ashift;
4618 }
4619 }
4620
4621 int64_t bytes_leaked = obsolete_bytes -
4622 zcb->zcb_vd_obsolete_counts[vd->vdev_id][i];
4623 ASSERT3U(DVA_GET_ASIZE(&vimep->vimep_dst), >=,
4624 zcb->zcb_vd_obsolete_counts[vd->vdev_id][i]);
27f80e85
BB		 4625
4626 VERIFY0(vdev_obsolete_counts_are_precise(vd, &are_precise));
4627 if (bytes_leaked != 0 && (are_precise || dump_opt['d'] >= 5)) {
a1d477c2
MA		 4628 (void) printf("obsolete indirect mapping count "
4629 "mismatch on %llu:%llx:%llx : %llx bytes leaked\n",
4630 (u_longlong_t)vd->vdev_id,
4631 (u_longlong_t)DVA_MAPPING_GET_SRC_OFFSET(vimep),
4632 (u_longlong_t)DVA_GET_ASIZE(&vimep->vimep_dst),
4633 (u_longlong_t)bytes_leaked);
4634 }
4635 total_leaked += ABS(bytes_leaked);
4636 }
4637
27f80e85
BB		 4638 VERIFY0(vdev_obsolete_counts_are_precise(vd, &are_precise));
4639 if (!are_precise && total_leaked > 0) {
a1d477c2
MA		 4640 int pct_leaked = total_leaked * 100 /
4641 vdev_indirect_mapping_bytes_mapped(vim);
4642 (void) printf("cannot verify obsolete indirect mapping "
4643 "counts of vdev %llu because precise feature was not "
4644 "enabled when it was removed: %d%% (%llx bytes) of mapping"
4645 "unreferenced\n",
4646 (u_longlong_t)vd->vdev_id, pct_leaked,
4647 (u_longlong_t)total_leaked);
4648 } else if (total_leaked > 0) {
4649 (void) printf("obsolete indirect mapping count mismatch "
4650 "for vdev %llu -- %llx total bytes mismatched\n",
4651 (u_longlong_t)vd->vdev_id,
4652 (u_longlong_t)total_leaked);
4653 leaks |= B_TRUE;
4654 }
4655
4656 vdev_indirect_mapping_free_obsolete_counts(vim,
4657 zcb->zcb_vd_obsolete_counts[vd->vdev_id]);
4658 zcb->zcb_vd_obsolete_counts[vd->vdev_id] = NULL;
4659
4660 return (leaks);
4661}
4662
4663static boolean_t
4664zdb_leak_fini(spa_t *spa, zdb_cb_t *zcb)
428870ff 4665{
21e7cf5d
SD		 4666 if (dump_opt['L'])
4667 return (B_FALSE);
4668
a1d477c2 4669 boolean_t leaks = B_FALSE;
21e7cf5d
SD		 4670 vdev_t *rvd = spa->spa_root_vdev;
4671 for (unsigned c = 0; c < rvd->vdev_children; c++) {
4672 vdev_t *vd = rvd->vdev_child[c];
2a8ba608 4673 metaslab_group_t *mg __maybe_unused = vd->vdev_mg;
a1d477c2 4674
21e7cf5d
SD		 4675 if (zcb->zcb_vd_obsolete_counts[c] != NULL) {
4676 leaks |= zdb_check_for_obsolete_leaks(vd, zcb);
4677 }
4e21fd06 4678
21e7cf5d
SD		 4679 for (uint64_t m = 0; m < vd->vdev_ms_count; m++) {
4680 metaslab_t *msp = vd->vdev_ms[m];
4681 ASSERT3P(mg, ==, msp->ms_group);
4682
4683 /*
4684 * ms_allocatable has been overloaded
4685 * to contain allocated segments. Now that
4686 * we finished traversing all blocks, any
4687 * block that remains in the ms_allocatable
4688 * represents an allocated block that we
4689 * did not claim during the traversal.
4690 * Claimed blocks would have been removed
4691 * from the ms_allocatable. For indirect
4692 * vdevs, space remaining in the tree
4693 * represents parts of the mapping that are
4694 * not referenced, which is not a bug.
4695 */
4696 if (vd->vdev_ops == &vdev_indirect_ops) {
4697 range_tree_vacate(msp->ms_allocatable,
4698 NULL, NULL);
4699 } else {
4700 range_tree_vacate(msp->ms_allocatable,
4701 zdb_leak, vd);
428870ff 4702 }
21e7cf5d
SD		 4703 if (msp->ms_loaded) {
4704 msp->ms_loaded = B_FALSE;
4705 }
4706 }
428870ff 4707 }
21e7cf5d
SD		 4708
4709 umem_free(zcb->zcb_vd_obsolete_counts,
4710 rvd->vdev_children * sizeof (uint32_t *));
4711 zcb->zcb_vd_obsolete_counts = NULL;
4712
a1d477c2 4713 return (leaks);
428870ff
BB		 4714}
4715
4716/* ARGSUSED */
4717static int
4718count_block_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
4719{
4720 zdb_cb_t *zcb = arg;
4721
d5869641 4722 if (dump_opt['b'] >= 5) {
428870ff 4723 char blkbuf[BP_SPRINTF_LEN];
b0bc7a84 4724 snprintf_blkptr(blkbuf, sizeof (blkbuf), bp);
428870ff
BB		 4725 (void) printf("[%s] %s\n",
4726 "deferred free", blkbuf);
4727 }
4728 zdb_count_block(zcb, NULL, bp, ZDB_OT_DEFERRED);
4729 return (0);
4730}
4731
37f03da8
SH		 4732/*
4733 * Iterate over livelists which have been destroyed by the user but
4734 * are still present in the MOS, waiting to be freed
4735 */
4736typedef void ll_iter_t(dsl_deadlist_t *ll, void *arg);
4737
4738static void
4739iterate_deleted_livelists(spa_t *spa, ll_iter_t func, void *arg)
4740{
4741 objset_t *mos = spa->spa_meta_objset;
4742 uint64_t zap_obj;
4743 int err = zap_lookup(mos, DMU_POOL_DIRECTORY_OBJECT,
4744 DMU_POOL_DELETED_CLONES, sizeof (uint64_t), 1, &zap_obj);
4745 if (err == ENOENT)
4746 return;
4747 ASSERT0(err);
4748
4749 zap_cursor_t zc;
4750 zap_attribute_t attr;
4751 dsl_deadlist_t ll;
4752 /* NULL out os prior to dsl_deadlist_open in case it's garbage */
4753 ll.dl_os = NULL;
4754 for (zap_cursor_init(&zc, mos, zap_obj);
4755 zap_cursor_retrieve(&zc, &attr) == 0;
4756 (void) zap_cursor_advance(&zc)) {
4757 dsl_deadlist_open(&ll, mos, attr.za_first_integer);
4758 func(&ll, arg);
4759 dsl_deadlist_close(&ll);
4760 }
4761 zap_cursor_fini(&zc);
4762}
4763
4764static int
4765bpobj_count_block_cb(void *arg, const blkptr_t *bp, boolean_t bp_freed,
4766 dmu_tx_t *tx)
4767{
4768 ASSERT(!bp_freed);
4769 return (count_block_cb(arg, bp, tx));
4770}
4771
4772static int
4773livelist_entry_count_blocks_cb(void *args, dsl_deadlist_entry_t *dle)
4774{
4775 zdb_cb_t *zbc = args;
4776 bplist_t blks;
4777 bplist_create(&blks);
4778 /* determine which blocks have been alloc'd but not freed */
4779 VERIFY0(dsl_process_sub_livelist(&dle->dle_bpobj, &blks, NULL, NULL));
4780 /* count those blocks */
4781 (void) bplist_iterate(&blks, count_block_cb, zbc, NULL);
4782 bplist_destroy(&blks);
4783 return (0);
4784}
4785
4786static void
4787livelist_count_blocks(dsl_deadlist_t *ll, void *arg)
4788{
4789 dsl_deadlist_iterate(ll, livelist_entry_count_blocks_cb, arg);
4790}
4791
4792/*
4793 * Count the blocks in the livelists that have been destroyed by the user
4794 * but haven't yet been freed.
4795 */
4796static void
4797deleted_livelists_count_blocks(spa_t *spa, zdb_cb_t *zbc)
4798{
4799 iterate_deleted_livelists(spa, livelist_count_blocks, zbc);
4800}
4801
4802static void
4803dump_livelist_cb(dsl_deadlist_t *ll, void *arg)
4804{
4805 ASSERT3P(arg, ==, NULL);
4806 global_feature_count[SPA_FEATURE_LIVELIST]++;
4807 dump_blkptr_list(ll, "Deleted Livelist");
4808}
4809
4810/*
4811 * Print out, register object references to, and increment feature counts for
4812 * livelists that have been destroyed by the user but haven't yet been freed.
4813 */
4814static void
4815deleted_livelists_dump_mos(spa_t *spa)
4816{
4817 uint64_t zap_obj;
4818 objset_t *mos = spa->spa_meta_objset;
4819 int err = zap_lookup(mos, DMU_POOL_DIRECTORY_OBJECT,
4820 DMU_POOL_DELETED_CLONES, sizeof (uint64_t), 1, &zap_obj);
4821 if (err == ENOENT)
4822 return;
4823 mos_obj_refd(zap_obj);
4824 iterate_deleted_livelists(spa, dump_livelist_cb, NULL);
4825}
4826
34dc7c2f
BB		 4827static int
4828dump_block_stats(spa_t *spa)
4829{
2598c001 4830 zdb_cb_t zcb;
34dc7c2f 4831 zdb_blkstats_t *zb, *tzb;
428870ff 4832 uint64_t norm_alloc, norm_space, total_alloc, total_found;
b5256303
TC		 4833 int flags = TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA |
4834 TRAVERSE_NO_DECRYPT | TRAVERSE_HARD;
9b67f605 4835 boolean_t leaks = B_FALSE;
0c0b0ad4 4836 int e, c, err;
9b67f605 4837 bp_embedded_type_t i;
34dc7c2f 4838
867959b5 4839 bzero(&zcb, sizeof (zcb));
d5869641 4840 (void) printf("\nTraversing all blocks %s%s%s%s%s...\n\n",
428870ff
BB		 4841 (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "",
4842 (dump_opt['c'] == 1) ? "metadata " : "",
4843 dump_opt['c'] ? "checksums " : "",
4844 (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "",
4845 !dump_opt['L'] ? "nothing leaked " : "");
34dc7c2f
BB		 4846
4847 /*
21e7cf5d
SD		 4848 * When leak detection is enabled we load all space maps as SM_ALLOC
4849 * maps, then traverse the pool claiming each block we discover. If
4850 * the pool is perfectly consistent, the segment trees will be empty
4851 * when we're done. Anything left over is a leak; any block we can't
4852 * claim (because it's not part of any space map) is a double
4853 * allocation, reference to a freed block, or an unclaimed log block.
4854 *
4855 * When leak detection is disabled (-L option) we still traverse the
4856 * pool claiming each block we discover, but we skip opening any space
4857 * maps.
34dc7c2f 4858 */
d1d7e268 4859 bzero(&zcb, sizeof (zdb_cb_t));
428870ff 4860 zdb_leak_init(spa, &zcb);
34dc7c2f
BB		 4861
4862 /*
4863 * If there's a deferred-free bplist, process that first.
4864 */
428870ff 4865 (void) bpobj_iterate_nofree(&spa->spa_deferred_bpobj,
37f03da8 4866 bpobj_count_block_cb, &zcb, NULL);
a1d477c2 4867
13fe0198
MA		 4868 if (spa_version(spa) >= SPA_VERSION_DEADLISTS) {
4869 (void) bpobj_iterate_nofree(&spa->spa_dsl_pool->dp_free_bpobj,
37f03da8 4870 bpobj_count_block_cb, &zcb, NULL);
13fe0198 4871 }
a1d477c2
MA		 4872
4873 zdb_claim_removing(spa, &zcb);
4874
fa86b5db 4875 if (spa_feature_is_active(spa, SPA_FEATURE_ASYNC_DESTROY)) {
9ae529ec
CS		 4876 VERIFY3U(0, ==, bptree_iterate(spa->spa_meta_objset,
4877 spa->spa_dsl_pool->dp_bptree_obj, B_FALSE, count_block_cb,
4878 &zcb, NULL));
4879 }
34dc7c2f 4880
37f03da8
SH		 4881 deleted_livelists_count_blocks(spa, &zcb);
4882
428870ff
BB		 4883 if (dump_opt['c'] > 1)
4884 flags |= TRAVERSE_PREFETCH_DATA;
34dc7c2f 4885
d5869641 4886 zcb.zcb_totalasize = metaslab_class_get_alloc(spa_normal_class(spa));
cc99f275
DB		 4887 zcb.zcb_totalasize += metaslab_class_get_alloc(spa_special_class(spa));
4888 zcb.zcb_totalasize += metaslab_class_get_alloc(spa_dedup_class(spa));
d5869641 4889 zcb.zcb_start = zcb.zcb_lastprint = gethrtime();
0c0b0ad4 4890 err = traverse_pool(spa, 0, flags, zdb_blkptr_cb, &zcb);
34dc7c2f 4891
5853fe79
GW		 4892 /*
4893 * If we've traversed the data blocks then we need to wait for those
4894 * I/Os to complete. We leverage "The Godfather" zio to wait on
4895 * all async I/Os to complete.
4896 */
4897 if (dump_opt['c']) {
e022864d
MA		 4898 for (c = 0; c < max_ncpus; c++) {
4899 (void) zio_wait(spa->spa_async_zio_root[c]);
4900 spa->spa_async_zio_root[c] = zio_root(spa, NULL, NULL,
4901 ZIO_FLAG_CANFAIL | ZIO_FLAG_SPECULATIVE |
4902 ZIO_FLAG_GODFATHER);
4903 }
5853fe79 4904 }
c8242a96 4905 ASSERT0(spa->spa_load_verify_bytes);
5853fe79 4906
0c0b0ad4
CC		 4907 /*
4908 * Done after zio_wait() since zcb_haderrors is modified in
4909 * zdb_blkptr_done()
4910 */
4911 zcb.zcb_haderrors |= err;
4912
428870ff 4913 if (zcb.zcb_haderrors) {
34dc7c2f
BB		 4914 (void) printf("\nError counts:\n\n");
4915 (void) printf("\t%5s %s\n", "errno", "count");
d6320ddb 4916 for (e = 0; e < 256; e++) {
34dc7c2f
BB		 4917 if (zcb.zcb_errors[e] != 0) {
4918 (void) printf("\t%5d %llu\n",
4919 e, (u_longlong_t)zcb.zcb_errors[e]);
4920 }
4921 }
4922 }
4923
4924 /*
4925 * Report any leaked segments.
4926 */
a1d477c2 4927 leaks |= zdb_leak_fini(spa, &zcb);
34dc7c2f 4928
428870ff 4929 tzb = &zcb.zcb_type[ZB_TOTAL][ZDB_OT_TOTAL];
34dc7c2f 4930
428870ff
BB		 4931 norm_alloc = metaslab_class_get_alloc(spa_normal_class(spa));
4932 norm_space = metaslab_class_get_space(spa_normal_class(spa));
34dc7c2f 4933
cc99f275
DB		 4934 total_alloc = norm_alloc +
4935 metaslab_class_get_alloc(spa_log_class(spa)) +
4936 metaslab_class_get_alloc(spa_special_class(spa)) +
93e28d66
SD		 4937 metaslab_class_get_alloc(spa_dedup_class(spa)) +
4938 get_unflushed_alloc_space(spa);
a1d477c2 4939 total_found = tzb->zb_asize - zcb.zcb_dedup_asize +
d2734cce 4940 zcb.zcb_removing_size + zcb.zcb_checkpoint_size;
34dc7c2f 4941
21e7cf5d
SD		 4942 if (total_found == total_alloc && !dump_opt['L']) {
4943 (void) printf("\n\tNo leaks (block sum matches space"
4944 " maps exactly)\n");
4945 } else if (!dump_opt['L']) {
34dc7c2f 4946 (void) printf("block traversal size %llu != alloc %llu "
fb5f0bc8 4947 "(%s %lld)\n",
428870ff
BB		 4948 (u_longlong_t)total_found,
4949 (u_longlong_t)total_alloc,
fb5f0bc8 4950 (dump_opt['L']) ? "unreachable" : "leaked",
428870ff 4951 (longlong_t)(total_alloc - total_found));
9b67f605 4952 leaks = B_TRUE;
34dc7c2f
BB		 4953 }
4954
4955 if (tzb->zb_count == 0)
4956 return (2);
4957
4958 (void) printf("\n");
cc99f275 4959 (void) printf("\t%-16s %14llu\n", "bp count:",
34dc7c2f 4960 (u_longlong_t)tzb->zb_count);
cc99f275 4961 (void) printf("\t%-16s %14llu\n", "ganged count:",
83017311 4962 (longlong_t)tzb->zb_gangs);
cc99f275 4963 (void) printf("\t%-16s %14llu avg: %6llu\n", "bp logical:",
34dc7c2f
BB		 4964 (u_longlong_t)tzb->zb_lsize,
4965 (u_longlong_t)(tzb->zb_lsize / tzb->zb_count));
cc99f275
DB		 4966 (void) printf("\t%-16s %14llu avg: %6llu compression: %6.2f\n",
4967 "bp physical:", (u_longlong_t)tzb->zb_psize,
34dc7c2f
BB		 4968 (u_longlong_t)(tzb->zb_psize / tzb->zb_count),
4969 (double)tzb->zb_lsize / tzb->zb_psize);
cc99f275
DB		 4970 (void) printf("\t%-16s %14llu avg: %6llu compression: %6.2f\n",
4971 "bp allocated:", (u_longlong_t)tzb->zb_asize,
34dc7c2f
BB		 4972 (u_longlong_t)(tzb->zb_asize / tzb->zb_count),
4973 (double)tzb->zb_lsize / tzb->zb_asize);
cc99f275
DB		 4974 (void) printf("\t%-16s %14llu ref>1: %6llu deduplication: %6.2f\n",
4975 "bp deduped:", (u_longlong_t)zcb.zcb_dedup_asize,
428870ff
BB		 4976 (u_longlong_t)zcb.zcb_dedup_blocks,
4977 (double)zcb.zcb_dedup_asize / tzb->zb_asize + 1.0);
cc99f275 4978 (void) printf("\t%-16s %14llu used: %5.2f%%\n", "Normal class:",
428870ff 4979 (u_longlong_t)norm_alloc, 100.0 * norm_alloc / norm_space);
34dc7c2f 4980
cc99f275
DB		 4981 if (spa_special_class(spa)->mc_rotor != NULL) {
4982 uint64_t alloc = metaslab_class_get_alloc(
4983 spa_special_class(spa));
4984 uint64_t space = metaslab_class_get_space(
4985 spa_special_class(spa));
4986
4987 (void) printf("\t%-16s %14llu used: %5.2f%%\n",
4988 "Special class", (u_longlong_t)alloc,
4989 100.0 * alloc / space);
4990 }
4991
4992 if (spa_dedup_class(spa)->mc_rotor != NULL) {
4993 uint64_t alloc = metaslab_class_get_alloc(
4994 spa_dedup_class(spa));
4995 uint64_t space = metaslab_class_get_space(
4996 spa_dedup_class(spa));
4997
4998 (void) printf("\t%-16s %14llu used: %5.2f%%\n",
4999 "Dedup class", (u_longlong_t)alloc,
5000 100.0 * alloc / space);
5001 }
5002
9b67f605
MA		 5003 for (i = 0; i < NUM_BP_EMBEDDED_TYPES; i++) {
5004 if (zcb.zcb_embedded_blocks[i] == 0)
5005 continue;
5006 (void) printf("\n");
5007 (void) printf("\tadditional, non-pointer bps of type %u: "
5008 "%10llu\n",
5009 i, (u_longlong_t)zcb.zcb_embedded_blocks[i]);
5010
5011 if (dump_opt['b'] >= 3) {
5012 (void) printf("\t number of (compressed) bytes: "
5013 "number of bps\n");
5014 dump_histogram(zcb.zcb_embedded_histogram[i],
5015 sizeof (zcb.zcb_embedded_histogram[i]) /
5016 sizeof (zcb.zcb_embedded_histogram[i][0]), 0);
5017 }
5018 }
5019
83017311
MA		 5020 if (tzb->zb_ditto_samevdev != 0) {
5021 (void) printf("\tDittoed blocks on same vdev: %llu\n",
5022 (longlong_t)tzb->zb_ditto_samevdev);
5023 }
cc99f275
DB		 5024 if (tzb->zb_ditto_same_ms != 0) {
5025 (void) printf("\tDittoed blocks in same metaslab: %llu\n",
5026 (longlong_t)tzb->zb_ditto_same_ms);
5027 }
83017311 5028
a1d477c2
MA		 5029 for (uint64_t v = 0; v < spa->spa_root_vdev->vdev_children; v++) {
5030 vdev_t *vd = spa->spa_root_vdev->vdev_child[v];
5031 vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping;
5032
5033 if (vim == NULL) {
5034 continue;
5035 }
5036
5037 char mem[32];
5038 zdb_nicenum(vdev_indirect_mapping_num_entries(vim),
5039 mem, vdev_indirect_mapping_size(vim));
5040
5041 (void) printf("\tindirect vdev id %llu has %llu segments "
5042 "(%s in memory)\n",
5043 (longlong_t)vd->vdev_id,
5044 (longlong_t)vdev_indirect_mapping_num_entries(vim), mem);
5045 }
5046
34dc7c2f
BB		 5047 if (dump_opt['b'] >= 2) {
5048 int l, t, level;
5049 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE"
5050 "\t avg\t comp\t%%Total\tType\n");
5051
428870ff
BB		 5052 for (t = 0; t <= ZDB_OT_TOTAL; t++) {
5053 char csize[32], lsize[32], psize[32], asize[32];
83017311 5054 char avg[32], gang[32];
867959b5 5055 const char *typename;
34dc7c2f 5056
f3c8c9e6
JK		 5057 /* make sure nicenum has enough space */
5058 CTASSERT(sizeof (csize) >= NN_NUMBUF_SZ);
5059 CTASSERT(sizeof (lsize) >= NN_NUMBUF_SZ);
5060 CTASSERT(sizeof (psize) >= NN_NUMBUF_SZ);
5061 CTASSERT(sizeof (asize) >= NN_NUMBUF_SZ);
5062 CTASSERT(sizeof (avg) >= NN_NUMBUF_SZ);
5063 CTASSERT(sizeof (gang) >= NN_NUMBUF_SZ);
5064
428870ff
BB		 5065 if (t < DMU_OT_NUMTYPES)
5066 typename = dmu_ot[t].ot_name;
5067 else
5068 typename = zdb_ot_extname[t - DMU_OT_NUMTYPES];
34dc7c2f
BB		 5069
5070 if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) {
5071 (void) printf("%6s\t%5s\t%5s\t%5s"
5072 "\t%5s\t%5s\t%6s\t%s\n",
5073 "-",
5074 "-",
5075 "-",
5076 "-",
5077 "-",
5078 "-",
5079 "-",
5080 typename);
5081 continue;
5082 }
5083
5084 for (l = ZB_TOTAL - 1; l >= -1; l--) {
5085 level = (l == -1 ? ZB_TOTAL : l);
5086 zb = &zcb.zcb_type[level][t];
5087
5088 if (zb->zb_asize == 0)
5089 continue;
5090
5091 if (dump_opt['b'] < 3 && level != ZB_TOTAL)
5092 continue;
5093
5094 if (level == 0 && zb->zb_asize ==
5095 zcb.zcb_type[ZB_TOTAL][t].zb_asize)
5096 continue;
5097
f3c8c9e6
JK		 5098 zdb_nicenum(zb->zb_count, csize,
5099 sizeof (csize));
5100 zdb_nicenum(zb->zb_lsize, lsize,
5101 sizeof (lsize));
5102 zdb_nicenum(zb->zb_psize, psize,
5103 sizeof (psize));
5104 zdb_nicenum(zb->zb_asize, asize,
5105 sizeof (asize));
5106 zdb_nicenum(zb->zb_asize / zb->zb_count, avg,
5107 sizeof (avg));
5108 zdb_nicenum(zb->zb_gangs, gang, sizeof (gang));
34dc7c2f
BB		 5109
5110 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s"
5111 "\t%5.2f\t%6.2f\t",
5112 csize, lsize, psize, asize, avg,
5113 (double)zb->zb_lsize / zb->zb_psize,
5114 100.0 * zb->zb_asize / tzb->zb_asize);
5115
5116 if (level == ZB_TOTAL)
5117 (void) printf("%s\n", typename);
5118 else
5119 (void) printf(" L%d %s\n",
5120 level, typename);
d5869641 5121
83017311
MA		 5122 if (dump_opt['b'] >= 3 && zb->zb_gangs > 0) {
5123 (void) printf("\t number of ganged "
5124 "blocks: %s\n", gang);
5125 }
5126
d5869641
MA		 5127 if (dump_opt['b'] >= 4) {
5128 (void) printf("psize "
5129 "(in 512-byte sectors): "
5130 "number of blocks\n");
5131 dump_histogram(zb->zb_psize_histogram,
93cf2076 5132 PSIZE_HISTO_SIZE, 0);
d5869641 5133 }
34dc7c2f
BB		 5134 }
5135 }
5136 }
5137
5138 (void) printf("\n");
5139
5140 if (leaks)
5141 return (2);
5142
5143 if (zcb.zcb_haderrors)
5144 return (3);
5145
5146 return (0);
5147}
5148
428870ff
BB		 5149typedef struct zdb_ddt_entry {
5150 ddt_key_t zdde_key;
5151 uint64_t zdde_ref_blocks;
5152 uint64_t zdde_ref_lsize;
5153 uint64_t zdde_ref_psize;
5154 uint64_t zdde_ref_dsize;
5155 avl_node_t zdde_node;
5156} zdb_ddt_entry_t;
5157
5158/* ARGSUSED */
5159static int
5160zdb_ddt_add_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
5dbd68a3 5161 const zbookmark_phys_t *zb, const dnode_phys_t *dnp, void *arg)
428870ff
BB		 5162{
5163 avl_tree_t *t = arg;
5164 avl_index_t where;
5165 zdb_ddt_entry_t *zdde, zdde_search;
5166
30af21b0
PD		 5167 if (zb->zb_level == ZB_DNODE_LEVEL || BP_IS_HOLE(bp) ||
5168 BP_IS_EMBEDDED(bp))
428870ff
BB		 5169 return (0);
5170
5171 if (dump_opt['S'] > 1 && zb->zb_level == ZB_ROOT_LEVEL) {
5172 (void) printf("traversing objset %llu, %llu objects, "
5173 "%lu blocks so far\n",
5174 (u_longlong_t)zb->zb_objset,
9b67f605 5175 (u_longlong_t)BP_GET_FILL(bp),
428870ff
BB		 5176 avl_numnodes(t));
5177 }
5178
5179 if (BP_IS_HOLE(bp) || BP_GET_CHECKSUM(bp) == ZIO_CHECKSUM_OFF ||
9ae529ec 5180 BP_GET_LEVEL(bp) > 0 || DMU_OT_IS_METADATA(BP_GET_TYPE(bp)))
428870ff
BB		 5181 return (0);
5182
5183 ddt_key_fill(&zdde_search.zdde_key, bp);
5184
5185 zdde = avl_find(t, &zdde_search, &where);
5186
5187 if (zdde == NULL) {
5188 zdde = umem_zalloc(sizeof (*zdde), UMEM_NOFAIL);
5189 zdde->zdde_key = zdde_search.zdde_key;
5190 avl_insert(t, zdde, where);
5191 }
5192
5193 zdde->zdde_ref_blocks += 1;
5194 zdde->zdde_ref_lsize += BP_GET_LSIZE(bp);
5195 zdde->zdde_ref_psize += BP_GET_PSIZE(bp);
5196 zdde->zdde_ref_dsize += bp_get_dsize_sync(spa, bp);
5197
5198 return (0);
5199}
5200
5201static void
5202dump_simulated_ddt(spa_t *spa)
5203{
5204 avl_tree_t t;
5205 void *cookie = NULL;
5206 zdb_ddt_entry_t *zdde;
2598c001
BB		 5207 ddt_histogram_t ddh_total;
5208 ddt_stat_t dds_total;
5209
867959b5
BB		 5210 bzero(&ddh_total, sizeof (ddh_total));
5211 bzero(&dds_total, sizeof (dds_total));
428870ff
BB		 5212 avl_create(&t, ddt_entry_compare,
5213 sizeof (zdb_ddt_entry_t), offsetof(zdb_ddt_entry_t, zdde_node));
5214
5215 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
5216
b5256303
TC		 5217 (void) traverse_pool(spa, 0, TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA |
5218 TRAVERSE_NO_DECRYPT, zdb_ddt_add_cb, &t);
428870ff
BB		 5219
5220 spa_config_exit(spa, SCL_CONFIG, FTAG);
5221
5222 while ((zdde = avl_destroy_nodes(&t, &cookie)) != NULL) {
5223 ddt_stat_t dds;
5224 uint64_t refcnt = zdde->zdde_ref_blocks;
5225 ASSERT(refcnt != 0);
5226
5227 dds.dds_blocks = zdde->zdde_ref_blocks / refcnt;
5228 dds.dds_lsize = zdde->zdde_ref_lsize / refcnt;
5229 dds.dds_psize = zdde->zdde_ref_psize / refcnt;
5230 dds.dds_dsize = zdde->zdde_ref_dsize / refcnt;
5231
5232 dds.dds_ref_blocks = zdde->zdde_ref_blocks;
5233 dds.dds_ref_lsize = zdde->zdde_ref_lsize;
5234 dds.dds_ref_psize = zdde->zdde_ref_psize;
5235 dds.dds_ref_dsize = zdde->zdde_ref_dsize;
5236
9bd274dd
MA		 5237 ddt_stat_add(&ddh_total.ddh_stat[highbit64(refcnt) - 1],
5238 &dds, 0);
428870ff
BB		 5239
5240 umem_free(zdde, sizeof (*zdde));
5241 }
5242
5243 avl_destroy(&t);
5244
5245 ddt_histogram_stat(&dds_total, &ddh_total);
5246
5247 (void) printf("Simulated DDT histogram:\n");
5248
5249 zpool_dump_ddt(&dds_total, &ddh_total);
5250
5251 dump_dedup_ratio(&dds_total);
5252}
5253
a1d477c2
MA		 5254static int
5255verify_device_removal_feature_counts(spa_t *spa)
5256{
5257 uint64_t dr_feature_refcount = 0;
5258 uint64_t oc_feature_refcount = 0;
5259 uint64_t indirect_vdev_count = 0;
5260 uint64_t precise_vdev_count = 0;
5261 uint64_t obsolete_counts_object_count = 0;
5262 uint64_t obsolete_sm_count = 0;
5263 uint64_t obsolete_counts_count = 0;
5264 uint64_t scip_count = 0;
5265 uint64_t obsolete_bpobj_count = 0;
5266 int ret = 0;
5267
5268 spa_condensing_indirect_phys_t *scip =
5269 &spa->spa_condensing_indirect_phys;
5270 if (scip->scip_next_mapping_object != 0) {
5271 vdev_t *vd = spa->spa_root_vdev->vdev_child[scip->scip_vdev];
5272 ASSERT(scip->scip_prev_obsolete_sm_object != 0);
5273 ASSERT3P(vd->vdev_ops, ==, &vdev_indirect_ops);
5274
5275 (void) printf("Condensing indirect vdev %llu: new mapping "
5276 "object %llu, prev obsolete sm %llu\n",
5277 (u_longlong_t)scip->scip_vdev,
5278 (u_longlong_t)scip->scip_next_mapping_object,
5279 (u_longlong_t)scip->scip_prev_obsolete_sm_object);
5280 if (scip->scip_prev_obsolete_sm_object != 0) {
5281 space_map_t *prev_obsolete_sm = NULL;
5282 VERIFY0(space_map_open(&prev_obsolete_sm,
5283 spa->spa_meta_objset,
5284 scip->scip_prev_obsolete_sm_object,
5285 0, vd->vdev_asize, 0));
a1d477c2
MA		 5286 dump_spacemap(spa->spa_meta_objset, prev_obsolete_sm);
5287 (void) printf("\n");
5288 space_map_close(prev_obsolete_sm);
5289 }
5290
5291 scip_count += 2;
5292 }
5293
5294 for (uint64_t i = 0; i < spa->spa_root_vdev->vdev_children; i++) {
5295 vdev_t *vd = spa->spa_root_vdev->vdev_child[i];
5296 vdev_indirect_config_t *vic = &vd->vdev_indirect_config;
5297
5298 if (vic->vic_mapping_object != 0) {
5299 ASSERT(vd->vdev_ops == &vdev_indirect_ops ||
5300 vd->vdev_removing);
5301 indirect_vdev_count++;
5302
5303 if (vd->vdev_indirect_mapping->vim_havecounts) {
5304 obsolete_counts_count++;
5305 }
5306 }
27f80e85
BB		 5307
5308 boolean_t are_precise;
5309 VERIFY0(vdev_obsolete_counts_are_precise(vd, &are_precise));
5310 if (are_precise) {
a1d477c2
MA		 5311 ASSERT(vic->vic_mapping_object != 0);
5312 precise_vdev_count++;
5313 }
27f80e85
BB		 5314
5315 uint64_t obsolete_sm_object;
5316 VERIFY0(vdev_obsolete_sm_object(vd, &obsolete_sm_object));
5317 if (obsolete_sm_object != 0) {
a1d477c2
MA		 5318 ASSERT(vic->vic_mapping_object != 0);
5319 obsolete_sm_count++;
5320 }
5321 }
5322
5323 (void) feature_get_refcount(spa,
5324 &spa_feature_table[SPA_FEATURE_DEVICE_REMOVAL],
5325 &dr_feature_refcount);
5326 (void) feature_get_refcount(spa,
5327 &spa_feature_table[SPA_FEATURE_OBSOLETE_COUNTS],
5328 &oc_feature_refcount);
5329
5330 if (dr_feature_refcount != indirect_vdev_count) {
5331 ret = 1;
5332 (void) printf("Number of indirect vdevs (%llu) " \
5333 "does not match feature count (%llu)\n",
5334 (u_longlong_t)indirect_vdev_count,
5335 (u_longlong_t)dr_feature_refcount);
5336 } else {
5337 (void) printf("Verified device_removal feature refcount " \
5338 "of %llu is correct\n",
5339 (u_longlong_t)dr_feature_refcount);
5340 }
5341
5342 if (zap_contains(spa_meta_objset(spa), DMU_POOL_DIRECTORY_OBJECT,
5343 DMU_POOL_OBSOLETE_BPOBJ) == 0) {
5344 obsolete_bpobj_count++;
5345 }
5346
5347
5348 obsolete_counts_object_count = precise_vdev_count;
5349 obsolete_counts_object_count += obsolete_sm_count;
5350 obsolete_counts_object_count += obsolete_counts_count;
5351 obsolete_counts_object_count += scip_count;
5352 obsolete_counts_object_count += obsolete_bpobj_count;
5353 obsolete_counts_object_count += remap_deadlist_count;
5354
5355 if (oc_feature_refcount != obsolete_counts_object_count) {
5356 ret = 1;
5357 (void) printf("Number of obsolete counts objects (%llu) " \
5358 "does not match feature count (%llu)\n",
5359 (u_longlong_t)obsolete_counts_object_count,
5360 (u_longlong_t)oc_feature_refcount);
5361 (void) printf("pv:%llu os:%llu oc:%llu sc:%llu "
5362 "ob:%llu rd:%llu\n",
5363 (u_longlong_t)precise_vdev_count,
5364 (u_longlong_t)obsolete_sm_count,
5365 (u_longlong_t)obsolete_counts_count,
5366 (u_longlong_t)scip_count,
5367 (u_longlong_t)obsolete_bpobj_count,
5368 (u_longlong_t)remap_deadlist_count);
5369 } else {
5370 (void) printf("Verified indirect_refcount feature refcount " \
5371 "of %llu is correct\n",
5372 (u_longlong_t)oc_feature_refcount);
5373 }
5374 return (ret);
5375}
5376
34fe773e
OF		 5377static void
5378zdb_set_skip_mmp(char *target)
5379{
5380 spa_t *spa;
5381
5382 /*
5383 * Disable the activity check to allow examination of
5384 * active pools.
5385 */
5386 mutex_enter(&spa_namespace_lock);
5387 if ((spa = spa_lookup(target)) != NULL) {
5388 spa->spa_import_flags |= ZFS_IMPORT_SKIP_MMP;
5389 }
5390 mutex_exit(&spa_namespace_lock);
5391}
5392
d2734cce
SD		 5393#define BOGUS_SUFFIX "_CHECKPOINTED_UNIVERSE"
5394/*
5395 * Import the checkpointed state of the pool specified by the target
5396 * parameter as readonly. The function also accepts a pool config
5397 * as an optional parameter, else it attempts to infer the config by
5398 * the name of the target pool.
5399 *
5400 * Note that the checkpointed state's pool name will be the name of
ad0b23b1 5401 * the original pool with the above suffix appended to it. In addition,
d2734cce
SD		 5402 * if the target is not a pool name (e.g. a path to a dataset) then
5403 * the new_path parameter is populated with the updated path to
5404 * reflect the fact that we are looking into the checkpointed state.
5405 *
5406 * The function returns a newly-allocated copy of the name of the
5407 * pool containing the checkpointed state. When this copy is no
5408 * longer needed it should be freed with free(3C). Same thing
5409 * applies to the new_path parameter if allocated.
5410 */
5411static char *
5412import_checkpointed_state(char *target, nvlist_t *cfg, char **new_path)
5413{
5414 int error = 0;
5415 char *poolname, *bogus_name = NULL;
5416
5417 /* If the target is not a pool, the extract the pool name */
5418 char *path_start = strchr(target, '/');
5419 if (path_start != NULL) {
5420 size_t poolname_len = path_start - target;
5421 poolname = strndup(target, poolname_len);
5422 } else {
5423 poolname = target;
5424 }
5425
5426 if (cfg == NULL) {
34fe773e 5427 zdb_set_skip_mmp(poolname);
d2734cce
SD		 5428 error = spa_get_stats(poolname, &cfg, NULL, 0);
5429 if (error != 0) {
5430 fatal("Tried to read config of pool \"%s\" but "
5431 "spa_get_stats() failed with error %d\n",
5432 poolname, error);
5433 }
5434 }
5435
5436 if (asprintf(&bogus_name, "%s%s", poolname, BOGUS_SUFFIX) == -1)
5437 return (NULL);
5438 fnvlist_add_string(cfg, ZPOOL_CONFIG_POOL_NAME, bogus_name);
5439
5440 error = spa_import(bogus_name, cfg, NULL,
34fe773e
OF		 5441 ZFS_IMPORT_MISSING_LOG | ZFS_IMPORT_CHECKPOINT |
5442 ZFS_IMPORT_SKIP_MMP);
d2734cce
SD		 5443 if (error != 0) {
5444 fatal("Tried to import pool \"%s\" but spa_import() failed "
5445 "with error %d\n", bogus_name, error);
5446 }
5447
5448 if (new_path != NULL && path_start != NULL) {
5449 if (asprintf(new_path, "%s%s", bogus_name, path_start) == -1) {
5450 if (path_start != NULL)
5451 free(poolname);
5452 return (NULL);
5453 }
5454 }
5455
5456 if (target != poolname)
5457 free(poolname);
5458
5459 return (bogus_name);
5460}
5461
5462typedef struct verify_checkpoint_sm_entry_cb_arg {
5463 vdev_t *vcsec_vd;
5464
5465 /* the following fields are only used for printing progress */
5466 uint64_t vcsec_entryid;
5467 uint64_t vcsec_num_entries;
5468} verify_checkpoint_sm_entry_cb_arg_t;
5469
5470#define ENTRIES_PER_PROGRESS_UPDATE 10000
5471
5472static int
4d044c4c 5473verify_checkpoint_sm_entry_cb(space_map_entry_t *sme, void *arg)
d2734cce
SD		 5474{
5475 verify_checkpoint_sm_entry_cb_arg_t *vcsec = arg;
5476 vdev_t *vd = vcsec->vcsec_vd;
4d044c4c
SD		 5477 metaslab_t *ms = vd->vdev_ms[sme->sme_offset >> vd->vdev_ms_shift];
5478 uint64_t end = sme->sme_offset + sme->sme_run;
d2734cce 5479
4d044c4c 5480 ASSERT(sme->sme_type == SM_FREE);
d2734cce
SD		 5481
5482 if ((vcsec->vcsec_entryid % ENTRIES_PER_PROGRESS_UPDATE) == 0) {
5483 (void) fprintf(stderr,
5484 "\rverifying vdev %llu, space map entry %llu of %llu ...",
5485 (longlong_t)vd->vdev_id,
5486 (longlong_t)vcsec->vcsec_entryid,
5487 (longlong_t)vcsec->vcsec_num_entries);
5488 }
5489 vcsec->vcsec_entryid++;
5490
5491 /*
5492 * See comment in checkpoint_sm_exclude_entry_cb()
5493 */
4d044c4c 5494 VERIFY3U(sme->sme_offset, >=, ms->ms_start);
d2734cce
SD		 5495 VERIFY3U(end, <=, ms->ms_start + ms->ms_size);
5496
5497 /*
5498 * The entries in the vdev_checkpoint_sm should be marked as
5499 * allocated in the checkpointed state of the pool, therefore
5500 * their respective ms_allocateable trees should not contain them.
5501 */
5502 mutex_enter(&ms->ms_lock);
df72b8be
SD		 5503 range_tree_verify_not_present(ms->ms_allocatable,
5504 sme->sme_offset, sme->sme_run);
d2734cce
SD		 5505 mutex_exit(&ms->ms_lock);
5506
5507 return (0);
5508}
5509
5510/*
5511 * Verify that all segments in the vdev_checkpoint_sm are allocated
5512 * according to the checkpoint's ms_sm (i.e. are not in the checkpoint's
5513 * ms_allocatable).
5514 *
5515 * Do so by comparing the checkpoint space maps (vdev_checkpoint_sm) of
5516 * each vdev in the current state of the pool to the metaslab space maps
5517 * (ms_sm) of the checkpointed state of the pool.
5518 *
5519 * Note that the function changes the state of the ms_allocatable
5520 * trees of the current spa_t. The entries of these ms_allocatable
5521 * trees are cleared out and then repopulated from with the free
5522 * entries of their respective ms_sm space maps.
5523 */
5524static void
5525verify_checkpoint_vdev_spacemaps(spa_t *checkpoint, spa_t *current)
5526{
5527 vdev_t *ckpoint_rvd = checkpoint->spa_root_vdev;
5528 vdev_t *current_rvd = current->spa_root_vdev;
5529
5530 load_concrete_ms_allocatable_trees(checkpoint, SM_FREE);
5531
5532 for (uint64_t c = 0; c < ckpoint_rvd->vdev_children; c++) {
5533 vdev_t *ckpoint_vd = ckpoint_rvd->vdev_child[c];
5534 vdev_t *current_vd = current_rvd->vdev_child[c];
5535
5536 space_map_t *checkpoint_sm = NULL;
5537 uint64_t checkpoint_sm_obj;
5538
5539 if (ckpoint_vd->vdev_ops == &vdev_indirect_ops) {
5540 /*
5541 * Since we don't allow device removal in a pool
5542 * that has a checkpoint, we expect that all removed
5543 * vdevs were removed from the pool before the
5544 * checkpoint.
5545 */
5546 ASSERT3P(current_vd->vdev_ops, ==, &vdev_indirect_ops);
5547 continue;
5548 }
5549
5550 /*
5551 * If the checkpoint space map doesn't exist, then nothing
5552 * here is checkpointed so there's nothing to verify.
5553 */
5554 if (current_vd->vdev_top_zap == 0 ||
5555 zap_contains(spa_meta_objset(current),
5556 current_vd->vdev_top_zap,
5557 VDEV_TOP_ZAP_POOL_CHECKPOINT_SM) != 0)
5558 continue;
5559
5560 VERIFY0(zap_lookup(spa_meta_objset(current),
5561 current_vd->vdev_top_zap, VDEV_TOP_ZAP_POOL_CHECKPOINT_SM,
5562 sizeof (uint64_t), 1, &checkpoint_sm_obj));
5563
5564 VERIFY0(space_map_open(&checkpoint_sm, spa_meta_objset(current),
5565 checkpoint_sm_obj, 0, current_vd->vdev_asize,
5566 current_vd->vdev_ashift));
d2734cce
SD		 5567
5568 verify_checkpoint_sm_entry_cb_arg_t vcsec;
5569 vcsec.vcsec_vd = ckpoint_vd;
5570 vcsec.vcsec_entryid = 0;
5571 vcsec.vcsec_num_entries =
5572 space_map_length(checkpoint_sm) / sizeof (uint64_t);
5573 VERIFY0(space_map_iterate(checkpoint_sm,
425d3237 5574 space_map_length(checkpoint_sm),
d2734cce 5575 verify_checkpoint_sm_entry_cb, &vcsec));
e2cc448b
BB		 5576 if (dump_opt['m'] > 3)
5577 dump_spacemap(current->spa_meta_objset, checkpoint_sm);
d2734cce
SD		 5578 space_map_close(checkpoint_sm);
5579 }
5580
5581 /*
5582 * If we've added vdevs since we took the checkpoint, ensure
5583 * that their checkpoint space maps are empty.
5584 */
5585 if (ckpoint_rvd->vdev_children < current_rvd->vdev_children) {
5586 for (uint64_t c = ckpoint_rvd->vdev_children;
5587 c < current_rvd->vdev_children; c++) {
5588 vdev_t *current_vd = current_rvd->vdev_child[c];
5589 ASSERT3P(current_vd->vdev_checkpoint_sm, ==, NULL);
5590 }
5591 }
5592
5593 /* for cleaner progress output */
5594 (void) fprintf(stderr, "\n");
5595}
5596
5597/*
5598 * Verifies that all space that's allocated in the checkpoint is
5599 * still allocated in the current version, by checking that everything
5600 * in checkpoint's ms_allocatable (which is actually allocated, not
5601 * allocatable/free) is not present in current's ms_allocatable.
5602 *
5603 * Note that the function changes the state of the ms_allocatable
5604 * trees of both spas when called. The entries of all ms_allocatable
5605 * trees are cleared out and then repopulated from their respective
5606 * ms_sm space maps. In the checkpointed state we load the allocated
5607 * entries, and in the current state we load the free entries.
5608 */
5609static void
5610verify_checkpoint_ms_spacemaps(spa_t *checkpoint, spa_t *current)
5611{
5612 vdev_t *ckpoint_rvd = checkpoint->spa_root_vdev;
5613 vdev_t *current_rvd = current->spa_root_vdev;
5614
5615 load_concrete_ms_allocatable_trees(checkpoint, SM_ALLOC);
5616 load_concrete_ms_allocatable_trees(current, SM_FREE);
5617
5618 for (uint64_t i = 0; i < ckpoint_rvd->vdev_children; i++) {
5619 vdev_t *ckpoint_vd = ckpoint_rvd->vdev_child[i];
5620 vdev_t *current_vd = current_rvd->vdev_child[i];
5621
5622 if (ckpoint_vd->vdev_ops == &vdev_indirect_ops) {
5623 /*
5624 * See comment in verify_checkpoint_vdev_spacemaps()
5625 */
5626 ASSERT3P(current_vd->vdev_ops, ==, &vdev_indirect_ops);
5627 continue;
5628 }
5629
5630 for (uint64_t m = 0; m < ckpoint_vd->vdev_ms_count; m++) {
5631 metaslab_t *ckpoint_msp = ckpoint_vd->vdev_ms[m];
5632 metaslab_t *current_msp = current_vd->vdev_ms[m];
5633
5634 (void) fprintf(stderr,
5635 "\rverifying vdev %llu of %llu, "
5636 "metaslab %llu of %llu ...",
5637 (longlong_t)current_vd->vdev_id,
5638 (longlong_t)current_rvd->vdev_children,
5639 (longlong_t)current_vd->vdev_ms[m]->ms_id,
5640 (longlong_t)current_vd->vdev_ms_count);
5641
5642 /*
5643 * We walk through the ms_allocatable trees that
5644 * are loaded with the allocated blocks from the
5645 * ms_sm spacemaps of the checkpoint. For each
5646 * one of these ranges we ensure that none of them
5647 * exists in the ms_allocatable trees of the
5648 * current state which are loaded with the ranges
5649 * that are currently free.
5650 *
5651 * This way we ensure that none of the blocks that
5652 * are part of the checkpoint were freed by mistake.
5653 */
5654 range_tree_walk(ckpoint_msp->ms_allocatable,
df72b8be 5655 (range_tree_func_t *)range_tree_verify_not_present,
d2734cce
SD		 5656 current_msp->ms_allocatable);
5657 }
5658 }
5659
5660 /* for cleaner progress output */
5661 (void) fprintf(stderr, "\n");
5662}
5663
5664static void
5665verify_checkpoint_blocks(spa_t *spa)
5666{
21e7cf5d
SD		 5667 ASSERT(!dump_opt['L']);
5668
d2734cce
SD		 5669 spa_t *checkpoint_spa;
5670 char *checkpoint_pool;
5671 nvlist_t *config = NULL;
5672 int error = 0;
5673
5674 /*
5675 * We import the checkpointed state of the pool (under a different
5676 * name) so we can do verification on it against the current state
5677 * of the pool.
5678 */
5679 checkpoint_pool = import_checkpointed_state(spa->spa_name, config,
5680 NULL);
5681 ASSERT(strcmp(spa->spa_name, checkpoint_pool) != 0);
5682
5683 error = spa_open(checkpoint_pool, &checkpoint_spa, FTAG);
5684 if (error != 0) {
5685 fatal("Tried to open pool \"%s\" but spa_open() failed with "
5686 "error %d\n", checkpoint_pool, error);
5687 }
5688
5689 /*
5690 * Ensure that ranges in the checkpoint space maps of each vdev
5691 * are allocated according to the checkpointed state's metaslab
5692 * space maps.
5693 */
5694 verify_checkpoint_vdev_spacemaps(checkpoint_spa, spa);
5695
5696 /*
5697 * Ensure that allocated ranges in the checkpoint's metaslab
5698 * space maps remain allocated in the metaslab space maps of
5699 * the current state.
5700 */
5701 verify_checkpoint_ms_spacemaps(checkpoint_spa, spa);
5702
5703 /*
5704 * Once we are done, we get rid of the checkpointed state.
5705 */
5706 spa_close(checkpoint_spa, FTAG);
5707 free(checkpoint_pool);
5708}
5709
5710static void
5711dump_leftover_checkpoint_blocks(spa_t *spa)
5712{
5713 vdev_t *rvd = spa->spa_root_vdev;
5714
5715 for (uint64_t i = 0; i < rvd->vdev_children; i++) {
5716 vdev_t *vd = rvd->vdev_child[i];
5717
5718 space_map_t *checkpoint_sm = NULL;
5719 uint64_t checkpoint_sm_obj;
5720
5721 if (vd->vdev_top_zap == 0)
5722 continue;
5723
5724 if (zap_contains(spa_meta_objset(spa), vd->vdev_top_zap,
5725 VDEV_TOP_ZAP_POOL_CHECKPOINT_SM) != 0)
5726 continue;
5727
5728 VERIFY0(zap_lookup(spa_meta_objset(spa), vd->vdev_top_zap,
5729 VDEV_TOP_ZAP_POOL_CHECKPOINT_SM,
5730 sizeof (uint64_t), 1, &checkpoint_sm_obj));
5731
5732 VERIFY0(space_map_open(&checkpoint_sm, spa_meta_objset(spa),
5733 checkpoint_sm_obj, 0, vd->vdev_asize, vd->vdev_ashift));
d2734cce
SD		 5734 dump_spacemap(spa->spa_meta_objset, checkpoint_sm);
5735 space_map_close(checkpoint_sm);
5736 }
5737}
5738
5739static int
5740verify_checkpoint(spa_t *spa)
5741{
5742 uberblock_t checkpoint;
5743 int error;
5744
5745 if (!spa_feature_is_active(spa, SPA_FEATURE_POOL_CHECKPOINT))
5746 return (0);
5747
5748 error = zap_lookup(spa->spa_meta_objset, DMU_POOL_DIRECTORY_OBJECT,
5749 DMU_POOL_ZPOOL_CHECKPOINT, sizeof (uint64_t),
5750 sizeof (uberblock_t) / sizeof (uint64_t), &checkpoint);
5751
4d044c4c 5752 if (error == ENOENT && !dump_opt['L']) {
d2734cce
SD		 5753 /*
5754 * If the feature is active but the uberblock is missing
5755 * then we must be in the middle of discarding the
5756 * checkpoint.
5757 */
5758 (void) printf("\nPartially discarded checkpoint "
5759 "state found:\n");
e2cc448b
BB		 5760 if (dump_opt['m'] > 3)
5761 dump_leftover_checkpoint_blocks(spa);
d2734cce
SD		 5762 return (0);
5763 } else if (error != 0) {
5764 (void) printf("lookup error %d when looking for "
5765 "checkpointed uberblock in MOS\n", error);
5766 return (error);
5767 }
5768 dump_uberblock(&checkpoint, "\nCheckpointed uberblock found:\n", "\n");
5769
5770 if (checkpoint.ub_checkpoint_txg == 0) {
5771 (void) printf("\nub_checkpoint_txg not set in checkpointed "
5772 "uberblock\n");
5773 error = 3;
5774 }
5775
4d044c4c 5776 if (error == 0 && !dump_opt['L'])
d2734cce
SD		 5777 verify_checkpoint_blocks(spa);
5778
5779 return (error);
5780}
5781
0aa5916a
MA		 5782/* ARGSUSED */
5783static void
5784mos_leaks_cb(void *arg, uint64_t start, uint64_t size)
5785{
5786 for (uint64_t i = start; i < size; i++) {
5787 (void) printf("MOS object %llu referenced but not allocated\n",
5788 (u_longlong_t)i);
5789 }
5790}
5791
5792static void
5793mos_obj_refd(uint64_t obj)
5794{
5795 if (obj != 0 && mos_refd_objs != NULL)
5796 range_tree_add(mos_refd_objs, obj, 1);
5797}
5798
5799/*
5800 * Call on a MOS object that may already have been referenced.
5801 */
5802static void
5803mos_obj_refd_multiple(uint64_t obj)
5804{
5805 if (obj != 0 && mos_refd_objs != NULL &&
5806 !range_tree_contains(mos_refd_objs, obj, 1))
5807 range_tree_add(mos_refd_objs, obj, 1);
5808}
5809
93e28d66
SD		 5810static void
5811mos_leak_vdev_top_zap(vdev_t *vd)
5812{
5813 uint64_t ms_flush_data_obj;
5814 int error = zap_lookup(spa_meta_objset(vd->vdev_spa),
5815 vd->vdev_top_zap, VDEV_TOP_ZAP_MS_UNFLUSHED_PHYS_TXGS,
5816 sizeof (ms_flush_data_obj), 1, &ms_flush_data_obj);
5817 if (error == ENOENT)
5818 return;
5819 ASSERT0(error);
5820
5821 mos_obj_refd(ms_flush_data_obj);
5822}
5823
0aa5916a
MA		 5824static void
5825mos_leak_vdev(vdev_t *vd)
5826{
5827 mos_obj_refd(vd->vdev_dtl_object);
5828 mos_obj_refd(vd->vdev_ms_array);
0aa5916a
MA		 5829 mos_obj_refd(vd->vdev_indirect_config.vic_births_object);
5830 mos_obj_refd(vd->vdev_indirect_config.vic_mapping_object);
5831 mos_obj_refd(vd->vdev_leaf_zap);
5832 if (vd->vdev_checkpoint_sm != NULL)
5833 mos_obj_refd(vd->vdev_checkpoint_sm->sm_object);
5834 if (vd->vdev_indirect_mapping != NULL) {
5835 mos_obj_refd(vd->vdev_indirect_mapping->
5836 vim_phys->vimp_counts_object);
5837 }
5838 if (vd->vdev_obsolete_sm != NULL)
5839 mos_obj_refd(vd->vdev_obsolete_sm->sm_object);
5840
5841 for (uint64_t m = 0; m < vd->vdev_ms_count; m++) {
5842 metaslab_t *ms = vd->vdev_ms[m];
5843 mos_obj_refd(space_map_object(ms->ms_sm));
5844 }
5845
93e28d66
SD		 5846 if (vd->vdev_top_zap != 0) {
5847 mos_obj_refd(vd->vdev_top_zap);
5848 mos_leak_vdev_top_zap(vd);
5849 }
5850
0aa5916a
MA		 5851 for (uint64_t c = 0; c < vd->vdev_children; c++) {
5852 mos_leak_vdev(vd->vdev_child[c]);
5853 }
5854}
5855
93e28d66
SD		 5856static void
5857mos_leak_log_spacemaps(spa_t *spa)
5858{
5859 uint64_t spacemap_zap;
5860 int error = zap_lookup(spa_meta_objset(spa),
5861 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_LOG_SPACEMAP_ZAP,
5862 sizeof (spacemap_zap), 1, &spacemap_zap);
5863 if (error == ENOENT)
5864 return;
5865 ASSERT0(error);
5866
5867 mos_obj_refd(spacemap_zap);
5868 for (spa_log_sm_t *sls = avl_first(&spa->spa_sm_logs_by_txg);
5869 sls; sls = AVL_NEXT(&spa->spa_sm_logs_by_txg, sls))
5870 mos_obj_refd(sls->sls_sm_obj);
5871}
5872
0aa5916a
MA		 5873static int
5874dump_mos_leaks(spa_t *spa)
5875{
5876 int rv = 0;
5877 objset_t *mos = spa->spa_meta_objset;
5878 dsl_pool_t *dp = spa->spa_dsl_pool;
5879
5880 /* Visit and mark all referenced objects in the MOS */
5881
5882 mos_obj_refd(DMU_POOL_DIRECTORY_OBJECT);
5883 mos_obj_refd(spa->spa_pool_props_object);
5884 mos_obj_refd(spa->spa_config_object);
5885 mos_obj_refd(spa->spa_ddt_stat_object);
5886 mos_obj_refd(spa->spa_feat_desc_obj);
5887 mos_obj_refd(spa->spa_feat_enabled_txg_obj);
5888 mos_obj_refd(spa->spa_feat_for_read_obj);
5889 mos_obj_refd(spa->spa_feat_for_write_obj);
5890 mos_obj_refd(spa->spa_history);
5891 mos_obj_refd(spa->spa_errlog_last);
5892 mos_obj_refd(spa->spa_errlog_scrub);
5893 mos_obj_refd(spa->spa_all_vdev_zaps);
5894 mos_obj_refd(spa->spa_dsl_pool->dp_bptree_obj);
5895 mos_obj_refd(spa->spa_dsl_pool->dp_tmp_userrefs_obj);
5896 mos_obj_refd(spa->spa_dsl_pool->dp_scan->scn_phys.scn_queue_obj);
5897 bpobj_count_refd(&spa->spa_deferred_bpobj);
5898 mos_obj_refd(dp->dp_empty_bpobj);
5899 bpobj_count_refd(&dp->dp_obsolete_bpobj);
5900 bpobj_count_refd(&dp->dp_free_bpobj);
5901 mos_obj_refd(spa->spa_l2cache.sav_object);
5902 mos_obj_refd(spa->spa_spares.sav_object);
5903
93e28d66
SD		 5904 if (spa->spa_syncing_log_sm != NULL)
5905 mos_obj_refd(spa->spa_syncing_log_sm->sm_object);
5906 mos_leak_log_spacemaps(spa);
5907
0aa5916a
MA		 5908 mos_obj_refd(spa->spa_condensing_indirect_phys.
5909 scip_next_mapping_object);
5910 mos_obj_refd(spa->spa_condensing_indirect_phys.
5911 scip_prev_obsolete_sm_object);
5912 if (spa->spa_condensing_indirect_phys.scip_next_mapping_object != 0) {
5913 vdev_indirect_mapping_t *vim =
5914 vdev_indirect_mapping_open(mos,
5915 spa->spa_condensing_indirect_phys.scip_next_mapping_object);
5916 mos_obj_refd(vim->vim_phys->vimp_counts_object);
5917 vdev_indirect_mapping_close(vim);
5918 }
37f03da8 5919 deleted_livelists_dump_mos(spa);
0aa5916a
MA		 5920
5921 if (dp->dp_origin_snap != NULL) {
5922 dsl_dataset_t *ds;
5923
5924 dsl_pool_config_enter(dp, FTAG);
5925 VERIFY0(dsl_dataset_hold_obj(dp,
5926 dsl_dataset_phys(dp->dp_origin_snap)->ds_next_snap_obj,
5927 FTAG, &ds));
5928 count_ds_mos_objects(ds);
37f03da8 5929 dump_blkptr_list(&ds->ds_deadlist, "Deadlist");
0aa5916a
MA		 5930 dsl_dataset_rele(ds, FTAG);
5931 dsl_pool_config_exit(dp, FTAG);
5932
5933 count_ds_mos_objects(dp->dp_origin_snap);
37f03da8 5934 dump_blkptr_list(&dp->dp_origin_snap->ds_deadlist, "Deadlist");
0aa5916a
MA		 5935 }
5936 count_dir_mos_objects(dp->dp_mos_dir);
5937 if (dp->dp_free_dir != NULL)
5938 count_dir_mos_objects(dp->dp_free_dir);
5939 if (dp->dp_leak_dir != NULL)
5940 count_dir_mos_objects(dp->dp_leak_dir);
5941
5942 mos_leak_vdev(spa->spa_root_vdev);
5943
5944 for (uint64_t class = 0; class < DDT_CLASSES; class++) {
5945 for (uint64_t type = 0; type < DDT_TYPES; type++) {
5946 for (uint64_t cksum = 0;
5947 cksum < ZIO_CHECKSUM_FUNCTIONS; cksum++) {
5948 ddt_t *ddt = spa->spa_ddt[cksum];
5949 mos_obj_refd(ddt->ddt_object[type][class]);
5950 }
5951 }
5952 }
5953
5954 /*
5955 * Visit all allocated objects and make sure they are referenced.
5956 */
5957 uint64_t object = 0;
5958 while (dmu_object_next(mos, &object, B_FALSE, 0) == 0) {
5959 if (range_tree_contains(mos_refd_objs, object, 1)) {
5960 range_tree_remove(mos_refd_objs, object, 1);
5961 } else {
5962 dmu_object_info_t doi;
5963 const char *name;
5964 dmu_object_info(mos, object, &doi);
5965 if (doi.doi_type & DMU_OT_NEWTYPE) {
5966 dmu_object_byteswap_t bswap =
5967 DMU_OT_BYTESWAP(doi.doi_type);
5968 name = dmu_ot_byteswap[bswap].ob_name;
5969 } else {
5970 name = dmu_ot[doi.doi_type].ot_name;
5971 }
5972
5973 (void) printf("MOS object %llu (%s) leaked\n",
5974 (u_longlong_t)object, name);
5975 rv = 2;
5976 }
5977 }
5978 (void) range_tree_walk(mos_refd_objs, mos_leaks_cb, NULL);
5979 if (!range_tree_is_empty(mos_refd_objs))
5980 rv = 2;
5981 range_tree_vacate(mos_refd_objs, NULL, NULL);
5982 range_tree_destroy(mos_refd_objs);
5983 return (rv);
5984}
5985
93e28d66
SD		 5986typedef struct log_sm_obsolete_stats_arg {
5987 uint64_t lsos_current_txg;
5988
5989 uint64_t lsos_total_entries;
5990 uint64_t lsos_valid_entries;
5991
5992 uint64_t lsos_sm_entries;
5993 uint64_t lsos_valid_sm_entries;
5994} log_sm_obsolete_stats_arg_t;
5995
5996static int
5997log_spacemap_obsolete_stats_cb(spa_t *spa, space_map_entry_t *sme,
5998 uint64_t txg, void *arg)
5999{
6000 log_sm_obsolete_stats_arg_t *lsos = arg;
6001
6002 uint64_t offset = sme->sme_offset;
6003 uint64_t vdev_id = sme->sme_vdev;
6004
6005 if (lsos->lsos_current_txg == 0) {
6006 /* this is the first log */
6007 lsos->lsos_current_txg = txg;
6008 } else if (lsos->lsos_current_txg < txg) {
6009 /* we just changed log - print stats and reset */
6010 (void) printf("%-8llu valid entries out of %-8llu - txg %llu\n",
6011 (u_longlong_t)lsos->lsos_valid_sm_entries,
6012 (u_longlong_t)lsos->lsos_sm_entries,
6013 (u_longlong_t)lsos->lsos_current_txg);
6014 lsos->lsos_valid_sm_entries = 0;
6015 lsos->lsos_sm_entries = 0;
6016 lsos->lsos_current_txg = txg;
6017 }
6018 ASSERT3U(lsos->lsos_current_txg, ==, txg);
6019
6020 lsos->lsos_sm_entries++;
6021 lsos->lsos_total_entries++;
6022
6023 vdev_t *vd = vdev_lookup_top(spa, vdev_id);
6024 if (!vdev_is_concrete(vd))
6025 return (0);
6026
6027 metaslab_t *ms = vd->vdev_ms[offset >> vd->vdev_ms_shift];
6028 ASSERT(sme->sme_type == SM_ALLOC || sme->sme_type == SM_FREE);
6029
6030 if (txg < metaslab_unflushed_txg(ms))
6031 return (0);
6032 lsos->lsos_valid_sm_entries++;
6033 lsos->lsos_valid_entries++;
6034 return (0);
6035}
6036
6037static void
6038dump_log_spacemap_obsolete_stats(spa_t *spa)
6039{
bac15c11
SD		 6040 if (!spa_feature_is_active(spa, SPA_FEATURE_LOG_SPACEMAP))
6041 return;
6042
93e28d66
SD		 6043 log_sm_obsolete_stats_arg_t lsos;
6044 bzero(&lsos, sizeof (lsos));
6045
6046 (void) printf("Log Space Map Obsolete Entry Statistics:\n");
6047
6048 iterate_through_spacemap_logs(spa,
6049 log_spacemap_obsolete_stats_cb, &lsos);
6050
6051 /* print stats for latest log */
6052 (void) printf("%-8llu valid entries out of %-8llu - txg %llu\n",
6053 (u_longlong_t)lsos.lsos_valid_sm_entries,
6054 (u_longlong_t)lsos.lsos_sm_entries,
6055 (u_longlong_t)lsos.lsos_current_txg);
6056
6057 (void) printf("%-8llu valid entries out of %-8llu - total\n\n",
6058 (u_longlong_t)lsos.lsos_valid_entries,
6059 (u_longlong_t)lsos.lsos_total_entries);
6060}
6061
34dc7c2f
BB		 6062static void
6063dump_zpool(spa_t *spa)
6064{
6065 dsl_pool_t *dp = spa_get_dsl(spa);
6066 int rc = 0;
6067
428870ff
BB		 6068 if (dump_opt['S']) {
6069 dump_simulated_ddt(spa);
6070 return;
6071 }
6072
6073 if (!dump_opt['e'] && dump_opt['C'] > 1) {
6074 (void) printf("\nCached configuration:\n");
6075 dump_nvlist(spa->spa_config, 8);
6076 }
6077
6078 if (dump_opt['C'])
6079 dump_config(spa);
6080
34dc7c2f 6081 if (dump_opt['u'])
428870ff 6082 dump_uberblock(&spa->spa_uberblock, "\nUberblock:\n", "\n");
34dc7c2f 6083
428870ff
BB		 6084 if (dump_opt['D'])
6085 dump_all_ddts(spa);
6086
6087 if (dump_opt['d'] > 2 || dump_opt['m'])
6088 dump_metaslabs(spa);
f3a7f661
GW		 6089 if (dump_opt['M'])
6090 dump_metaslab_groups(spa);
93e28d66
SD		 6091 if (dump_opt['d'] > 2 || dump_opt['m']) {
6092 dump_log_spacemaps(spa);
6093 dump_log_spacemap_obsolete_stats(spa);
6094 }
428870ff
BB		 6095
6096 if (dump_opt['d'] || dump_opt['i']) {
241b5415 6097 spa_feature_t f;
ca577779
PD		 6098 mos_refd_objs = range_tree_create(NULL, RANGE_SEG64, NULL, 0,
6099 0);
37f03da8 6100 dump_objset(dp->dp_meta_objset);
0aa5916a 6101
34dc7c2f 6102 if (dump_opt['d'] >= 3) {
a1d477c2 6103 dsl_pool_t *dp = spa->spa_dsl_pool;
252e1a54 6104 dump_full_bpobj(&spa->spa_deferred_bpobj,
d1fada1e 6105 "Deferred frees", 0);
428870ff 6106 if (spa_version(spa) >= SPA_VERSION_DEADLISTS) {
a1d477c2 6107 dump_full_bpobj(&dp->dp_free_bpobj,
d1fada1e 6108 "Pool snapshot frees", 0);
9ae529ec 6109 }
a1d477c2
MA		 6110 if (bpobj_is_open(&dp->dp_obsolete_bpobj)) {
6111 ASSERT(spa_feature_is_enabled(spa,
6112 SPA_FEATURE_DEVICE_REMOVAL));
6113 dump_full_bpobj(&dp->dp_obsolete_bpobj,
6114 "Pool obsolete blocks", 0);
6115 }
9ae529ec
CS		 6116
6117 if (spa_feature_is_active(spa,
fa86b5db 6118 SPA_FEATURE_ASYNC_DESTROY)) {
9ae529ec 6119 dump_bptree(spa->spa_meta_objset,
a1d477c2 6120 dp->dp_bptree_obj,
9ae529ec 6121 "Pool dataset frees");
428870ff 6122 }
34dc7c2f 6123 dump_dtl(spa->spa_root_vdev, 0);
34dc7c2f 6124 }
30af21b0
PD		 6125
6126 for (spa_feature_t f = 0; f < SPA_FEATURES; f++)
6127 global_feature_count[f] = UINT64_MAX;
6128 global_feature_count[SPA_FEATURE_REDACTION_BOOKMARKS] = 0;
6129 global_feature_count[SPA_FEATURE_BOOKMARK_WRITTEN] = 0;
37f03da8 6130 global_feature_count[SPA_FEATURE_LIVELIST] = 0;
30af21b0 6131
37f03da8 6132 (void) dmu_objset_find(spa_name(spa), dump_one_objset,
428870ff 6133 NULL, DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN);
f1512ee6 6134
0aa5916a
MA		 6135 if (rc == 0 && !dump_opt['L'])
6136 rc = dump_mos_leaks(spa);
6137
241b5415
MA		 6138 for (f = 0; f < SPA_FEATURES; f++) {
6139 uint64_t refcount;
6140
30af21b0 6141 uint64_t *arr;
241b5415 6142 if (!(spa_feature_table[f].fi_flags &
30af21b0
PD		 6143 ZFEATURE_FLAG_PER_DATASET)) {
6144 if (global_feature_count[f] == UINT64_MAX)
6145 continue;
6146 if (!spa_feature_is_enabled(spa, f)) {
6147 ASSERT0(global_feature_count[f]);
6148 continue;
6149 }
6150 arr = global_feature_count;
6151 } else {
6152 if (!spa_feature_is_enabled(spa, f)) {
6153 ASSERT0(dataset_feature_count[f]);
6154 continue;
6155 }
6156 arr = dataset_feature_count;
241b5415
MA		 6157 }
6158 if (feature_get_refcount(spa, &spa_feature_table[f],
6159 &refcount) == ENOTSUP)
6160 continue;
30af21b0 6161 if (arr[f] != refcount) {
241b5415 6162 (void) printf("%s feature refcount mismatch: "
30af21b0 6163 "%lld consumers != %lld refcount\n",
241b5415 6164 spa_feature_table[f].fi_uname,
30af21b0 6165 (longlong_t)arr[f], (longlong_t)refcount);
784652c1
DB		 6166 rc = 2;
6167 } else {
241b5415
MA		 6168 (void) printf("Verified %s feature refcount "
6169 "of %llu is correct\n",
6170 spa_feature_table[f].fi_uname,
784652c1
DB		 6171 (longlong_t)refcount);
6172 }
f1512ee6 6173 }
a1d477c2 6174
93e28d66 6175 if (rc == 0)
a1d477c2 6176 rc = verify_device_removal_feature_counts(spa);
34dc7c2f 6177 }
0aa5916a 6178
f1512ee6 6179 if (rc == 0 && (dump_opt['b'] || dump_opt['c']))
34dc7c2f
BB		 6180 rc = dump_block_stats(spa);
6181
93cf2076
GW		 6182 if (rc == 0)
6183 rc = verify_spacemap_refcounts(spa);
6184
34dc7c2f
BB		 6185 if (dump_opt['s'])
6186 show_pool_stats(spa);
6187
428870ff
BB		 6188 if (dump_opt['h'])
6189 dump_history(spa);
6190
4d044c4c 6191 if (rc == 0)
d2734cce
SD		 6192 rc = verify_checkpoint(spa);
6193
fa603f82
GM		 6194 if (rc != 0) {
6195 dump_debug_buffer();
34dc7c2f 6196 exit(rc);
fa603f82 6197 }
34dc7c2f
BB		 6198}
6199
6200#define ZDB_FLAG_CHECKSUM 0x0001
6201#define ZDB_FLAG_DECOMPRESS 0x0002
6202#define ZDB_FLAG_BSWAP 0x0004
6203#define ZDB_FLAG_GBH 0x0008
6204#define ZDB_FLAG_INDIRECT 0x0010
f0bf4351
PZ		 6205#define ZDB_FLAG_RAW 0x0020
6206#define ZDB_FLAG_PRINT_BLKPTR 0x0040
6207#define ZDB_FLAG_VERBOSE 0x0080
34dc7c2f 6208
867959b5 6209static int flagbits[256];
34dc7c2f
BB		 6210
6211static void
6212zdb_print_blkptr(blkptr_t *bp, int flags)
6213{
428870ff 6214 char blkbuf[BP_SPRINTF_LEN];
34dc7c2f
BB		 6215
6216 if (flags & ZDB_FLAG_BSWAP)
6217 byteswap_uint64_array((void *)bp, sizeof (blkptr_t));
428870ff 6218
b0bc7a84 6219 snprintf_blkptr(blkbuf, sizeof (blkbuf), bp);
428870ff 6220 (void) printf("%s\n", blkbuf);
34dc7c2f
BB		 6221}
6222
6223static void
6224zdb_dump_indirect(blkptr_t *bp, int nbps, int flags)
6225{
6226 int i;
6227
6228 for (i = 0; i < nbps; i++)
6229 zdb_print_blkptr(&bp[i], flags);
6230}
6231
6232static void
6233zdb_dump_gbh(void *buf, int flags)
6234{
6235 zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags);
6236}
6237
6238static void
6239zdb_dump_block_raw(void *buf, uint64_t size, int flags)
6240{
6241 if (flags & ZDB_FLAG_BSWAP)
6242 byteswap_uint64_array(buf, size);
0e5b68e0 6243 VERIFY(write(fileno(stdout), buf, size) == size);
34dc7c2f
BB		 6244}
6245
6246static void
6247zdb_dump_block(char *label, void *buf, uint64_t size, int flags)
6248{
6249 uint64_t *d = (uint64_t *)buf;
867959b5 6250 unsigned nwords = size / sizeof (uint64_t);
34dc7c2f 6251 int do_bswap = !!(flags & ZDB_FLAG_BSWAP);
867959b5
BB		 6252 unsigned i, j;
6253 const char *hdr;
6254 char *c;
34dc7c2f
BB		 6255
6256
6257 if (do_bswap)
6258 hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8";
6259 else
6260 hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f";
6261
6262 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr);
6263
a179a3aa 6264#ifdef _LITTLE_ENDIAN
4e33ba4c 6265 /* correct the endianness */
a179a3aa
CC		 6266 do_bswap = !do_bswap;
6267#endif
34dc7c2f
BB		 6268 for (i = 0; i < nwords; i += 2) {
6269 (void) printf("%06llx: %016llx %016llx ",
6270 (u_longlong_t)(i * sizeof (uint64_t)),
6271 (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]),
6272 (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1]));
6273
6274 c = (char *)&d[i];
6275 for (j = 0; j < 2 * sizeof (uint64_t); j++)
6276 (void) printf("%c", isprint(c[j]) ? c[j] : '.');
6277 (void) printf("\n");
6278 }
6279}
6280
6281/*
6282 * There are two acceptable formats:
6283 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a
6284 * child[.child]* - For example: 0.1.1
6285 *
6286 * The second form can be used to specify arbitrary vdevs anywhere
4e33ba4c 6287 * in the hierarchy. For example, in a pool with a mirror of
34dc7c2f
BB		 6288 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 .
6289 */
6290static vdev_t *
867959b5 6291zdb_vdev_lookup(vdev_t *vdev, const char *path)
34dc7c2f
BB		 6292{
6293 char *s, *p, *q;
867959b5 6294 unsigned i;
34dc7c2f
BB		 6295
6296 if (vdev == NULL)
6297 return (NULL);
6298
6299 /* First, assume the x.x.x.x format */
867959b5 6300 i = strtoul(path, &s, 10);
34dc7c2f
BB		 6301 if (s == path || (s && *s != '.' && *s != '\0'))
6302 goto name;
867959b5 6303 if (i >= vdev->vdev_children)
34dc7c2f
BB		 6304 return (NULL);
6305
6306 vdev = vdev->vdev_child[i];
aed0e9f3 6307 if (s && *s == '\0')
34dc7c2f
BB		 6308 return (vdev);
6309 return (zdb_vdev_lookup(vdev, s+1));
6310
6311name:
6312 for (i = 0; i < vdev->vdev_children; i++) {
6313 vdev_t *vc = vdev->vdev_child[i];
6314
6315 if (vc->vdev_path == NULL) {
6316 vc = zdb_vdev_lookup(vc, path);
6317 if (vc == NULL)
6318 continue;
6319 else
6320 return (vc);
6321 }
6322
6323 p = strrchr(vc->vdev_path, '/');
6324 p = p ? p + 1 : vc->vdev_path;
6325 q = &vc->vdev_path[strlen(vc->vdev_path) - 2];
6326
6327 if (strcmp(vc->vdev_path, path) == 0)
6328 return (vc);
6329 if (strcmp(p, path) == 0)
6330 return (vc);
6331 if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0)
6332 return (vc);
6333 }
6334
6335 return (NULL);
6336}
6337
f12e42cc
PZ		 6338static int
6339name_from_objset_id(spa_t *spa, uint64_t objset_id, char *outstr)
6340{
6341 dsl_dataset_t *ds;
6342
6343 dsl_pool_config_enter(spa->spa_dsl_pool, FTAG);
6344 int error = dsl_dataset_hold_obj(spa->spa_dsl_pool, objset_id,
6345 NULL, &ds);
6346 if (error != 0) {
6347 (void) fprintf(stderr, "failed to hold objset %llu: %s\n",
6348 (u_longlong_t)objset_id, strerror(error));
6349 dsl_pool_config_exit(spa->spa_dsl_pool, FTAG);
6350 return (error);
6351 }
6352 dsl_dataset_name(ds, outstr);
6353 dsl_dataset_rele(ds, NULL);
6354 dsl_pool_config_exit(spa->spa_dsl_pool, FTAG);
6355 return (0);
6356}
6357
f0bf4351
PZ		 6358static boolean_t
6359zdb_parse_block_sizes(char *sizes, uint64_t *lsize, uint64_t *psize)
6360{
6361 char *s0, *s1;
6362
6363 if (sizes == NULL)
6364 return (B_FALSE);
6365
6366 s0 = strtok(sizes, "/");
6367 if (s0 == NULL)
6368 return (B_FALSE);
6369 s1 = strtok(NULL, "/");
6370 *lsize = strtoull(s0, NULL, 16);
6371 *psize = s1 ? strtoull(s1, NULL, 16) : *lsize;
6372 return (*lsize >= *psize && *psize > 0);
6373}
6374
6375#define ZIO_COMPRESS_MASK(alg) (1ULL << (ZIO_COMPRESS_##alg))
6376
34dc7c2f
BB		 6377/*
6378 * Read a block from a pool and print it out. The syntax of the
6379 * block descriptor is:
6380 *
f0bf4351 6381 * pool:vdev_specifier:offset:[lsize/]psize[:flags]
34dc7c2f
BB		 6382 *
6383 * pool - The name of the pool you wish to read from
6384 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup)
6385 * offset - offset, in hex, in bytes
6386 * size - Amount of data to read, in hex, in bytes
6387 * flags - A string of characters specifying options
6388 * b: Decode a blkptr at given offset within block
894f6696 6389 * c: Calculate and display checksums
428870ff 6390 * d: Decompress data before dumping
34dc7c2f 6391 * e: Byteswap data before dumping
428870ff
BB		 6392 * g: Display data as a gang block header
6393 * i: Display as an indirect block
34dc7c2f 6394 * r: Dump raw data to stdout
f0bf4351 6395 * v: Verbose
34dc7c2f 6396 *
34dc7c2f
BB		 6397 */
6398static void
428870ff 6399zdb_read_block(char *thing, spa_t *spa)
34dc7c2f 6400{
428870ff
BB		 6401 blkptr_t blk, *bp = &blk;
6402 dva_t *dva = bp->blk_dva;
34dc7c2f 6403 int flags = 0;
f0bf4351 6404 uint64_t offset = 0, psize = 0, lsize = 0, blkptr_offset = 0;
34dc7c2f
BB		 6405 zio_t *zio;
6406 vdev_t *vd;
a6255b7f
DQ		 6407 abd_t *pabd;
6408 void *lbuf, *buf;
f0bf4351 6409 char *s, *p, *dup, *vdev, *flagstr, *sizes;
428870ff 6410 int i, error;
84c07ada 6411 boolean_t borrowed = B_FALSE;
34dc7c2f
BB		 6412
6413 dup = strdup(thing);
6414 s = strtok(dup, ":");
34dc7c2f
BB		 6415 vdev = s ? s : "";
6416 s = strtok(NULL, ":");
6417 offset = strtoull(s ? s : "", NULL, 16);
f0bf4351 6418 sizes = strtok(NULL, ":");
34dc7c2f 6419 s = strtok(NULL, ":");
f0bf4351 6420 flagstr = strdup(s ? s : "");
34dc7c2f
BB		 6421
6422 s = NULL;
f0bf4351
PZ		 6423 if (!zdb_parse_block_sizes(sizes, &lsize, &psize))
6424 s = "invalid size(s)";
6425 if (!IS_P2ALIGNED(psize, DEV_BSIZE) || !IS_P2ALIGNED(lsize, DEV_BSIZE))
34dc7c2f
BB		 6426 s = "size must be a multiple of sector size";
6427 if (!IS_P2ALIGNED(offset, DEV_BSIZE))
6428 s = "offset must be a multiple of sector size";
6429 if (s) {
6430 (void) printf("Invalid block specifier: %s - %s\n", thing, s);
867959b5 6431 free(flagstr);
34dc7c2f
BB		 6432 free(dup);
6433 return;
6434 }
6435
6436 for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) {
6437 for (i = 0; flagstr[i]; i++) {
6438 int bit = flagbits[(uchar_t)flagstr[i]];
6439
6440 if (bit == 0) {
6441 (void) printf("***Invalid flag: %c\n",
6442 flagstr[i]);
6443 continue;
6444 }
6445 flags |= bit;
6446
6447 /* If it's not something with an argument, keep going */
428870ff 6448 if ((bit & (ZDB_FLAG_CHECKSUM |
34dc7c2f
BB		 6449 ZDB_FLAG_PRINT_BLKPTR)) == 0)
6450 continue;
6451
6452 p = &flagstr[i + 1];
e989f19c 6453 if (bit == ZDB_FLAG_PRINT_BLKPTR) {
34dc7c2f 6454 blkptr_offset = strtoull(p, &p, 16);
e989f19c
TC		 6455 i = p - &flagstr[i + 1];
6456 }
34dc7c2f
BB		 6457 if (*p != ':' && *p != '\0') {
6458 (void) printf("***Invalid flag arg: '%s'\n", s);
867959b5 6459 free(flagstr);
34dc7c2f
BB		 6460 free(dup);
6461 return;
6462 }
6463 }
6464 }
867959b5 6465 free(flagstr);
34dc7c2f 6466
34dc7c2f
BB		 6467 vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev);
6468 if (vd == NULL) {
6469 (void) printf("***Invalid vdev: %s\n", vdev);
6470 free(dup);
6471 return;
6472 } else {
6473 if (vd->vdev_path)
428870ff
BB		 6474 (void) fprintf(stderr, "Found vdev: %s\n",
6475 vd->vdev_path);
34dc7c2f 6476 else
428870ff 6477 (void) fprintf(stderr, "Found vdev type: %s\n",
34dc7c2f
BB		 6478 vd->vdev_ops->vdev_op_type);
6479 }
6480
84c07ada 6481 pabd = abd_alloc_for_io(SPA_MAXBLOCKSIZE, B_FALSE);
428870ff
BB		 6482 lbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
6483
6484 BP_ZERO(bp);
34dc7c2f 6485
428870ff
BB		 6486 DVA_SET_VDEV(&dva[0], vd->vdev_id);
6487 DVA_SET_OFFSET(&dva[0], offset);
6488 DVA_SET_GANG(&dva[0], !!(flags & ZDB_FLAG_GBH));
6489 DVA_SET_ASIZE(&dva[0], vdev_psize_to_asize(vd, psize));
6490
6491 BP_SET_BIRTH(bp, TXG_INITIAL, TXG_INITIAL);
6492
6493 BP_SET_LSIZE(bp, lsize);
6494 BP_SET_PSIZE(bp, psize);
6495 BP_SET_COMPRESS(bp, ZIO_COMPRESS_OFF);
6496 BP_SET_CHECKSUM(bp, ZIO_CHECKSUM_OFF);
6497 BP_SET_TYPE(bp, DMU_OT_NONE);
6498 BP_SET_LEVEL(bp, 0);
6499 BP_SET_DEDUP(bp, 0);
6500 BP_SET_BYTEORDER(bp, ZFS_HOST_BYTEORDER);
34dc7c2f 6501
b128c09f 6502 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER);
34dc7c2f 6503 zio = zio_root(spa, NULL, NULL, 0);
428870ff
BB		 6504
6505 if (vd == vd->vdev_top) {
6506 /*
6507 * Treat this as a normal block read.
6508 */
a6255b7f 6509 zio_nowait(zio_read(zio, spa, bp, pabd, psize, NULL, NULL,
428870ff
BB		 6510 ZIO_PRIORITY_SYNC_READ,
6511 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL));
6512 } else {
6513 /*
6514 * Treat this as a vdev child I/O.
6515 */
a6255b7f
DQ		 6516 zio_nowait(zio_vdev_child_io(zio, bp, vd, offset, pabd,
6517 psize, ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ,
428870ff
BB		 6518 ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE |
6519 ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY |
a1d477c2
MA		 6520 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW | ZIO_FLAG_OPTIONAL,
6521 NULL, NULL));
428870ff
BB		 6522 }
6523
34dc7c2f 6524 error = zio_wait(zio);
b128c09f 6525 spa_config_exit(spa, SCL_STATE, FTAG);
34dc7c2f
BB		 6526
6527 if (error) {
6528 (void) printf("Read of %s failed, error: %d\n", thing, error);
6529 goto out;
6530 }
6531
428870ff
BB		 6532 if (flags & ZDB_FLAG_DECOMPRESS) {
6533 /*
6534 * We don't know how the data was compressed, so just try
6535 * every decompress function at every inflated blocksize.
6536 */
428870ff 6537 void *lbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
f0bf4351
PZ		 6538 int cfuncs[ZIO_COMPRESS_FUNCTIONS] = { 0 };
6539 int *cfuncp = cfuncs;
6540 uint64_t maxlsize = SPA_MAXBLOCKSIZE;
6541 uint64_t mask = ZIO_COMPRESS_MASK(ON) | ZIO_COMPRESS_MASK(OFF) |
6542 ZIO_COMPRESS_MASK(INHERIT) | ZIO_COMPRESS_MASK(EMPTY) |
6543 (getenv("ZDB_NO_ZLE") ? ZIO_COMPRESS_MASK(ZLE) : 0);
6544 *cfuncp++ = ZIO_COMPRESS_LZ4;
6545 *cfuncp++ = ZIO_COMPRESS_LZJB;
6546 mask |= ZIO_COMPRESS_MASK(LZ4) | ZIO_COMPRESS_MASK(LZJB);
6547 for (int c = 0; c < ZIO_COMPRESS_FUNCTIONS; c++)
6548 if (((1ULL << c) & mask) == 0)
6549 *cfuncp++ = c;
428870ff 6550
fcf64f45 6551 /*
f0bf4351
PZ		 6552 * On the one hand, with SPA_MAXBLOCKSIZE at 16MB, this
6553 * could take a while and we should let the user know
fcf64f45 6554 * we are not stuck. On the other hand, printing progress
f0bf4351
PZ		 6555 * info gets old after a while. User can specify 'v' flag
6556 * to see the progression.
fcf64f45 6557 */
f0bf4351
PZ		 6558 if (lsize == psize)
6559 lsize += SPA_MINBLOCKSIZE;
6560 else
6561 maxlsize = lsize;
6562 for (; lsize <= maxlsize; lsize += SPA_MINBLOCKSIZE) {
6563 for (cfuncp = cfuncs; *cfuncp; cfuncp++) {
6564 if (flags & ZDB_FLAG_VERBOSE) {
6565 (void) fprintf(stderr,
6566 "Trying %05llx -> %05llx (%s)\n",
6567 (u_longlong_t)psize,
6568 (u_longlong_t)lsize,
6569 zio_compress_table[*cfuncp].\
6570 ci_name);
6571 }
950e17c2
CC		 6572
6573 /*
6574 * We randomize lbuf2, and decompress to both
6575 * lbuf and lbuf2. This way, we will know if
6576 * decompression fill exactly to lsize.
6577 */
6578 VERIFY0(random_get_pseudo_bytes(lbuf2, lsize));
6579
f0bf4351 6580 if (zio_decompress_data(*cfuncp, pabd,
a6255b7f 6581 lbuf, psize, lsize) == 0 &&
f0bf4351 6582 zio_decompress_data(*cfuncp, pabd,
a6255b7f 6583 lbuf2, psize, lsize) == 0 &&
428870ff
BB		 6584 bcmp(lbuf, lbuf2, lsize) == 0)
6585 break;
6586 }
f0bf4351 6587 if (*cfuncp != 0)
428870ff 6588 break;
428870ff 6589 }
428870ff
BB		 6590 umem_free(lbuf2, SPA_MAXBLOCKSIZE);
6591
f0bf4351 6592 if (lsize > maxlsize) {
428870ff
BB		 6593 (void) printf("Decompress of %s failed\n", thing);
6594 goto out;
6595 }
6596 buf = lbuf;
f0bf4351
PZ		 6597 if (*cfuncp == ZIO_COMPRESS_ZLE) {
6598 printf("\nZLE decompression was selected. If you "
6599 "suspect the results are wrong,\ntry avoiding ZLE "
6600 "by setting and exporting ZDB_NO_ZLE=\"true\"\n");
6601 }
428870ff 6602 } else {
f0bf4351 6603 buf = abd_borrow_buf_copy(pabd, lsize);
84c07ada 6604 borrowed = B_TRUE;
428870ff
BB		 6605 }
6606
34dc7c2f
BB		 6607 if (flags & ZDB_FLAG_PRINT_BLKPTR)
6608 zdb_print_blkptr((blkptr_t *)(void *)
6609 ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags);
6610 else if (flags & ZDB_FLAG_RAW)
f0bf4351 6611 zdb_dump_block_raw(buf, lsize, flags);
34dc7c2f 6612 else if (flags & ZDB_FLAG_INDIRECT)
f0bf4351 6613 zdb_dump_indirect((blkptr_t *)buf, lsize / sizeof (blkptr_t),
34dc7c2f
BB		 6614 flags);
6615 else if (flags & ZDB_FLAG_GBH)
6616 zdb_dump_gbh(buf, flags);
6617 else
f0bf4351 6618 zdb_dump_block(thing, buf, lsize, flags);
34dc7c2f 6619
894f6696
PZ		 6620 /*
6621 * If :c was specified, iterate through the checksum table to
6622 * calculate and display each checksum for our specified
6623 * DVA and length.
6624 */
6625 if ((flags & ZDB_FLAG_CHECKSUM) && !(flags & ZDB_FLAG_RAW) &&
6626 !(flags & ZDB_FLAG_GBH)) {
6627 zio_t *czio, *cio;
6628 (void) printf("\n");
6629 for (enum zio_checksum ck = ZIO_CHECKSUM_LABEL;
6630 ck < ZIO_CHECKSUM_FUNCTIONS; ck++) {
6631
6632 if ((zio_checksum_table[ck].ci_flags &
6633 ZCHECKSUM_FLAG_EMBEDDED) ||
6634 ck == ZIO_CHECKSUM_NOPARITY) {
6635 continue;
6636 }
6637 BP_SET_CHECKSUM(bp, ck);
6638 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER);
6639 czio = zio_root(spa, NULL, NULL, ZIO_FLAG_CANFAIL);
6640 czio->io_bp = bp;
6641
6642 if (vd == vd->vdev_top) {
6643 cio = zio_read(czio, spa, bp, pabd, psize,
6644 NULL, NULL,
6645 ZIO_PRIORITY_SYNC_READ,
6646 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW |
6647 ZIO_FLAG_DONT_RETRY, NULL);
6648 zio_nowait(cio);
6649 } else {
6650 zio_nowait(zio_vdev_child_io(czio, bp, vd,
6651 offset, pabd, psize, ZIO_TYPE_READ,
6652 ZIO_PRIORITY_SYNC_READ,
6653 ZIO_FLAG_DONT_CACHE |
6654 ZIO_FLAG_DONT_PROPAGATE |
6655 ZIO_FLAG_DONT_RETRY |
6656 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW |
6657 ZIO_FLAG_SPECULATIVE |
6658 ZIO_FLAG_OPTIONAL, NULL, NULL));
6659 }
6660 error = zio_wait(czio);
6661 if (error == 0 || error == ECKSUM) {
5a089773
PZ		 6662 zio_t *ck_zio = zio_root(spa, NULL, NULL, 0);
6663 ck_zio->io_offset =
6664 DVA_GET_OFFSET(&bp->blk_dva[0]);
6665 ck_zio->io_bp = bp;
6666 zio_checksum_compute(ck_zio, ck, pabd, lsize);
894f6696
PZ		 6667 printf("%12s\tcksum=%llx:%llx:%llx:%llx\n",
6668 zio_checksum_table[ck].ci_name,
6669 (u_longlong_t)bp->blk_cksum.zc_word[0],
6670 (u_longlong_t)bp->blk_cksum.zc_word[1],
6671 (u_longlong_t)bp->blk_cksum.zc_word[2],
6672 (u_longlong_t)bp->blk_cksum.zc_word[3]);
5a089773 6673 zio_wait(ck_zio);
894f6696
PZ		 6674 } else {
6675 printf("error %d reading block\n", error);
6676 }
6677 spa_config_exit(spa, SCL_STATE, FTAG);
6678 }
6679 }
6680
84c07ada 6681 if (borrowed)
f0bf4351 6682 abd_return_buf_copy(pabd, buf, lsize);
84c07ada 6683
34dc7c2f 6684out:
a6255b7f 6685 abd_free(pabd);
428870ff 6686 umem_free(lbuf, SPA_MAXBLOCKSIZE);
34dc7c2f
BB		 6687 free(dup);
6688}
6689
a896468c
MA		 6690static void
6691zdb_embedded_block(char *thing)
6692{
6693 blkptr_t bp;
6694 unsigned long long *words = (void *)&bp;
5e3bd0e6 6695 char *buf;
a896468c
MA		 6696 int err;
6697
867959b5 6698 bzero(&bp, sizeof (bp));
a896468c
MA		 6699 err = sscanf(thing, "%llx:%llx:%llx:%llx:%llx:%llx:%llx:%llx:"
6700 "%llx:%llx:%llx:%llx:%llx:%llx:%llx:%llx",
6701 words + 0, words + 1, words + 2, words + 3,
6702 words + 4, words + 5, words + 6, words + 7,
6703 words + 8, words + 9, words + 10, words + 11,
6704 words + 12, words + 13, words + 14, words + 15);
6705 if (err != 16) {
561ba8d1 6706 (void) fprintf(stderr, "invalid input format\n");
a896468c
MA		 6707 exit(1);
6708 }
6709 ASSERT3U(BPE_GET_LSIZE(&bp), <=, SPA_MAXBLOCKSIZE);
561ba8d1
JL		 6710 buf = malloc(SPA_MAXBLOCKSIZE);
6711 if (buf == NULL) {
6712 (void) fprintf(stderr, "out of memory\n");
6713 exit(1);
6714 }
a896468c
MA		 6715 err = decode_embedded_bp(&bp, buf, BPE_GET_LSIZE(&bp));
6716 if (err != 0) {
561ba8d1 6717 (void) fprintf(stderr, "decode failed: %u\n", err);
a896468c
MA		 6718 exit(1);
6719 }
6720 zdb_dump_block_raw(buf, BPE_GET_LSIZE(&bp), 0);
561ba8d1 6721 free(buf);
a896468c
MA		 6722}
6723
34dc7c2f
BB		 6724int
6725main(int argc, char **argv)
6726{
867959b5 6727 int c;
34dc7c2f 6728 struct rlimit rl = { 1024, 1024 };
428870ff 6729 spa_t *spa = NULL;
34dc7c2f 6730 objset_t *os = NULL;
34dc7c2f
BB		 6731 int dump_all = 1;
6732 int verbose = 0;
428870ff
BB		 6733 int error = 0;
6734 char **searchdirs = NULL;
6735 int nsearch = 0;
f12e42cc 6736 char *target, *target_pool, dsname[ZFS_MAX_DATASET_NAME_LEN];
428870ff
BB		 6737 nvlist_t *policy = NULL;
6738 uint64_t max_txg = UINT64_MAX;
f12e42cc 6739 int64_t objset_id = -1;
a5778ea2 6740 int flags = ZFS_IMPORT_MISSING_LOG;
428870ff 6741 int rewind = ZPOOL_NEVER_REWIND;
f12e42cc
PZ		 6742 char *spa_config_path_env, *objset_str;
6743 boolean_t target_is_spa = B_TRUE, dataset_lookup = B_FALSE;
d2734cce 6744 nvlist_t *cfg = NULL;
34dc7c2f
BB		 6745
6746 (void) setrlimit(RLIMIT_NOFILE, &rl);
6747 (void) enable_extended_FILE_stdio(-1, -1);
6748
6749 dprintf_setup(&argc, argv);
6750
64d7b6cf
CP		 6751 /*
6752 * If there is an environment variable SPA_CONFIG_PATH it overrides
6753 * default spa_config_path setting. If -U flag is specified it will
6754 * override this environment variable settings once again.
6755 */
6756 spa_config_path_env = getenv("SPA_CONFIG_PATH");
6757 if (spa_config_path_env != NULL)
6758 spa_config_path = spa_config_path_env;
6759
ca577779
PD		 6760 /*
6761 * For performance reasons, we set this tunable down. We do so before
6762 * the arg parsing section so that the user can override this value if
6763 * they choose.
6764 */
6765 zfs_btree_verify_intensity = 3;
6766
9867e8be 6767 while ((c = getopt(argc, argv,
64bdf63f 6768 "AbcCdDeEFGhiI:klLmMo:Op:PqRsSt:uU:vVx:XY")) != -1) {
34dc7c2f 6769 switch (c) {
34dc7c2f
BB		 6770 case 'b':
6771 case 'c':
a44e7faa 6772 case 'C':
428870ff 6773 case 'd':
a44e7faa 6774 case 'D':
a896468c 6775 case 'E':
a44e7faa 6776 case 'G':
428870ff
BB		 6777 case 'h':
6778 case 'i':
6779 case 'l':
9babb374 6780 case 'm':
f3a7f661 6781 case 'M':
a44e7faa 6782 case 'O':
34dc7c2f 6783 case 'R':
a44e7faa 6784 case 's':
428870ff 6785 case 'S':
a44e7faa 6786 case 'u':
34dc7c2f
BB		 6787 dump_opt[c]++;
6788 dump_all = 0;
6789 break;
428870ff 6790 case 'A':
a44e7faa 6791 case 'e':
428870ff 6792 case 'F':
d2734cce 6793 case 'k':
fb5f0bc8 6794 case 'L':
428870ff 6795 case 'P':
35a357a9 6796 case 'q':
a44e7faa 6797 case 'X':
fb5f0bc8
BB		 6798 dump_opt[c]++;
6799 break;
64bdf63f
BB		 6800 case 'Y':
6801 zfs_reconstruct_indirect_combinations_max = INT_MAX;
6802 zfs_deadman_enabled = 0;
6803 break;
a44e7faa 6804 /* NB: Sort single match options below. */
f3a7f661 6805 case 'I':
c8242a96
GW		 6806 max_inflight_bytes = strtoull(optarg, NULL, 0);
6807 if (max_inflight_bytes == 0) {
5853fe79 6808 (void) fprintf(stderr, "maximum number "
c8242a96 6809 "of inflight bytes must be greater "
5853fe79
GW		 6810 "than 0\n");
6811 usage();
6812 }
6813 break;
a44e7faa
BB		 6814 case 'o':
6815 error = set_global_var(optarg);
6816 if (error != 0)
6817 usage();
6818 break;
34dc7c2f 6819 case 'p':
428870ff
BB		 6820 if (searchdirs == NULL) {
6821 searchdirs = umem_alloc(sizeof (char *),
6822 UMEM_NOFAIL);
6823 } else {
6824 char **tmp = umem_alloc((nsearch + 1) *
6825 sizeof (char *), UMEM_NOFAIL);
6826 bcopy(searchdirs, tmp, nsearch *
6827 sizeof (char *));
6828 umem_free(searchdirs,
6829 nsearch * sizeof (char *));
6830 searchdirs = tmp;
6831 }
6832 searchdirs[nsearch++] = optarg;
34dc7c2f 6833 break;
fb5f0bc8 6834 case 't':
428870ff
BB		 6835 max_txg = strtoull(optarg, NULL, 0);
6836 if (max_txg < TXG_INITIAL) {
fb5f0bc8
BB		 6837 (void) fprintf(stderr, "incorrect txg "
6838 "specified: %s\n", optarg);
6839 usage();
6840 }
6841 break;
428870ff
BB		 6842 case 'U':
6843 spa_config_path = optarg;
a896468c
MA		 6844 if (spa_config_path[0] != '/') {
6845 (void) fprintf(stderr,
6846 "cachefile must be an absolute path "
6847 "(i.e. start with a slash)\n");
6848 usage();
6849 }
428870ff 6850 break;
f3a7f661
GW		 6851 case 'v':
6852 verbose++;
6853 break;
a44e7faa 6854 case 'V':
06675310 6855 flags = ZFS_IMPORT_VERBATIM;
a44e7faa 6856 break;
ed828c0c
GM		 6857 case 'x':
6858 vn_dumpdir = optarg;
6859 break;
34dc7c2f
BB		 6860 default:
6861 usage();
6862 break;
6863 }
6864 }
6865
428870ff 6866 if (!dump_opt['e'] && searchdirs != NULL) {
b128c09f
BB		 6867 (void) fprintf(stderr, "-p option requires use of -e\n");
6868 usage();
6869 }
f12e42cc
PZ		 6870 if (dump_opt['d']) {
6871 /* <pool>[/<dataset | objset id> is accepted */
6872 if (argv[2] && (objset_str = strchr(argv[2], '/')) != NULL &&
6873 objset_str++ != NULL) {
6874 char *endptr;
6875 errno = 0;
6876 objset_id = strtoull(objset_str, &endptr, 0);
6877 /* dataset 0 is the same as opening the pool */
6878 if (errno == 0 && endptr != objset_str &&
6879 objset_id != 0) {
6880 target_is_spa = B_FALSE;
6881 dataset_lookup = B_TRUE;
6882 } else if (objset_id != 0) {
6883 printf("failed to open objset %s "
6884 "%llu %s", objset_str,
6885 (u_longlong_t)objset_id,
6886 strerror(errno));
6887 exit(1);
6888 }
6889 /* normal dataset name not an objset ID */
6890 if (endptr == objset_str) {
6891 objset_id = -1;
6892 }
6893 }
6894 }
34dc7c2f 6895
adc90e9d 6896#if defined(_LP64)
0ec07248
MA		 6897 /*
6898 * ZDB does not typically re-read blocks; therefore limit the ARC
6899 * to 256 MB, which can be used entirely for metadata.
6900 */
6901 zfs_arc_max = zfs_arc_meta_limit = 256 * 1024 * 1024;
adc90e9d 6902#endif
0ec07248 6903
e5fd1dd6
MA		 6904 /*
6905 * "zdb -c" uses checksum-verifying scrub i/os which are async reads.
6906 * "zdb -b" uses traversal prefetch which uses async reads.
6907 * For good performance, let several of them be active at once.
6908 */
6909 zfs_vdev_async_read_max_active = 10;
6910
d69a321e
GDN		 6911 /*
6912 * Disable reference tracking for better performance.
6913 */
6914 reference_tracking_enable = B_FALSE;
6915
afd2f7b7
PZ		 6916 /*
6917 * Do not fail spa_load when spa_load_verify fails. This is needed
6918 * to load non-idle pools.
6919 */
6920 spa_load_verify_dryrun = B_TRUE;
6921
da92d5cb 6922 kernel_init(SPA_MODE_READ);
34dc7c2f 6923
428870ff
BB		 6924 if (dump_all)
6925 verbose = MAX(verbose, 1);
6926
34dc7c2f 6927 for (c = 0; c < 256; c++) {
d2734cce 6928 if (dump_all && strchr("AeEFklLOPRSX", c) == NULL)
34dc7c2f
BB		 6929 dump_opt[c] = 1;
6930 if (dump_opt[c])
6931 dump_opt[c] += verbose;
6932 }
6933
428870ff
BB		 6934 aok = (dump_opt['A'] == 1) || (dump_opt['A'] > 2);
6935 zfs_recover = (dump_opt['A'] > 1);
6936
34dc7c2f
BB		 6937 argc -= optind;
6938 argv += optind;
428870ff
BB		 6939 if (argc < 2 && dump_opt['R'])
6940 usage();
a896468c
MA		 6941
6942 if (dump_opt['E']) {
6943 if (argc != 1)
6944 usage();
6945 zdb_embedded_block(argv[0]);
6946 return (0);
6947 }
6948
34dc7c2f 6949 if (argc < 1) {
428870ff 6950 if (!dump_opt['e'] && dump_opt['C']) {
b128c09f 6951 dump_cachefile(spa_config_path);
34dc7c2f
BB		 6952 return (0);
6953 }
6954 usage();
6955 }
6956
35a357a9
DB		 6957 if (dump_opt['l'])
6958 return (dump_label(argv[0]));
34dc7c2f 6959
a44e7faa
BB		 6960 if (dump_opt['O']) {
6961 if (argc != 2)
6962 usage();
6963 dump_opt['v'] = verbose + 3;
6964 return (dump_path(argv[0], argv[1]));
6965 }
6966
428870ff
BB		 6967 if (dump_opt['X'] || dump_opt['F'])
6968 rewind = ZPOOL_DO_REWIND |
6969 (dump_opt['X'] ? ZPOOL_EXTREME_REWIND : 0);
34dc7c2f 6970
428870ff 6971 if (nvlist_alloc(&policy, NV_UNIQUE_NAME_TYPE, 0) != 0 ||
8a393be3
PZ		 6972 nvlist_add_uint64(policy, ZPOOL_LOAD_REQUEST_TXG, max_txg) != 0 ||
6973 nvlist_add_uint32(policy, ZPOOL_LOAD_REWIND_POLICY, rewind) != 0)
428870ff 6974 fatal("internal error: %s", strerror(ENOMEM));
34dc7c2f 6975
b128c09f 6976 error = 0;
428870ff 6977 target = argv[0];
34dc7c2f 6978
eb9c4532
CC		 6979 if (strpbrk(target, "/@") != NULL) {
6980 size_t targetlen;
6981
6982 target_pool = strdup(target);
6983 *strpbrk(target_pool, "/@") = '\0';
6984
6985 target_is_spa = B_FALSE;
6986 targetlen = strlen(target);
6987 if (targetlen && target[targetlen - 1] == '/')
6988 target[targetlen - 1] = '\0';
6989 } else {
6990 target_pool = target;
6991 }
6992
428870ff 6993 if (dump_opt['e']) {
379ca9cf 6994 importargs_t args = { 0 };
34dc7c2f 6995
379ca9cf
OF		 6996 args.paths = nsearch;
6997 args.path = searchdirs;
6998 args.can_be_active = B_TRUE;
6999
e89f1295
DB		 7000 error = zpool_find_config(NULL, target_pool, &cfg, &args,
7001 &libzpool_config_ops);
eb9c4532 7002
379ca9cf 7003 if (error == 0) {
eb9c4532 7004
428870ff 7005 if (nvlist_add_nvlist(cfg,
8a393be3 7006 ZPOOL_LOAD_POLICY, policy) != 0) {
428870ff
BB		 7007 fatal("can't open '%s': %s",
7008 target, strerror(ENOMEM));
7009 }
379ca9cf 7010
379ca9cf
OF		 7011 if (dump_opt['C'] > 1) {
7012 (void) printf("\nConfiguration for import:\n");
7013 dump_nvlist(cfg, 8);
7014 }
d2734cce 7015
34fe773e
OF		 7016 /*
7017 * Disable the activity check to allow examination of
7018 * active pools.
7019 */
eb9c4532 7020 error = spa_import(target_pool, cfg, NULL,
379ca9cf 7021 flags | ZFS_IMPORT_SKIP_MMP);
34dc7c2f 7022 }
b128c09f
BB		 7023 }
7024
0a544c17
SD		 7025 /*
7026 * import_checkpointed_state makes the assumption that the
7027 * target pool that we pass it is already part of the spa
7028 * namespace. Because of that we need to make sure to call
7029 * it always after the -e option has been processed, which
7030 * imports the pool to the namespace if it's not in the
7031 * cachefile.
7032 */
7033 char *checkpoint_pool = NULL;
7034 char *checkpoint_target = NULL;
7035 if (dump_opt['k']) {
7036 checkpoint_pool = import_checkpointed_state(target, cfg,
7037 &checkpoint_target);
7038
7039 if (checkpoint_target != NULL)
7040 target = checkpoint_target;
7041 }
7042
eb9c4532
CC		 7043 if (target_pool != target)
7044 free(target_pool);
b1b85c87 7045
b128c09f 7046 if (error == 0) {
d2734cce
SD		 7047 if (dump_opt['k'] && (target_is_spa || dump_opt['R'])) {
7048 ASSERT(checkpoint_pool != NULL);
7049 ASSERT(checkpoint_target == NULL);
7050
7051 error = spa_open(checkpoint_pool, &spa, FTAG);
7052 if (error != 0) {
7053 fatal("Tried to open pool \"%s\" but "
7054 "spa_open() failed with error %d\n",
7055 checkpoint_pool, error);
7056 }
7057
f12e42cc 7058 } else if (target_is_spa || dump_opt['R'] || objset_id == 0) {
34fe773e 7059 zdb_set_skip_mmp(target);
428870ff
BB		 7060 error = spa_open_rewind(target, &spa, FTAG, policy,
7061 NULL);
7062 if (error) {
7063 /*
7064 * If we're missing the log device then
7065 * try opening the pool after clearing the
7066 * log state.
7067 */
7068 mutex_enter(&spa_namespace_lock);
7069 if ((spa = spa_lookup(target)) != NULL &&
7070 spa->spa_log_state == SPA_LOG_MISSING) {
7071 spa->spa_log_state = SPA_LOG_CLEAR;
7072 error = 0;
7073 }
7074 mutex_exit(&spa_namespace_lock);
7075
7076 if (!error) {
7077 error = spa_open_rewind(target, &spa,
7078 FTAG, policy, NULL);
7079 }
7080 }
30af21b0
PD		 7081 } else if (strpbrk(target, "#") != NULL) {
7082 dsl_pool_t *dp;
7083 error = dsl_pool_hold(target, FTAG, &dp);
7084 if (error != 0) {
7085 fatal("can't dump '%s': %s", target,
7086 strerror(error));
7087 }
7088 error = dump_bookmark(dp, target, B_TRUE, verbose > 1);
7089 dsl_pool_rele(dp, FTAG);
7090 if (error != 0) {
7091 fatal("can't dump '%s': %s", target,
7092 strerror(error));
7093 }
7094 return (error);
b128c09f 7095 } else {
34fe773e 7096 zdb_set_skip_mmp(target);
f12e42cc
PZ		 7097 if (dataset_lookup == B_TRUE) {
7098 /*
7099 * Use the supplied id to get the name
7100 * for open_objset.
7101 */
7102 error = spa_open(target, &spa, FTAG);
7103 if (error == 0) {
7104 error = name_from_objset_id(spa,
7105 objset_id, dsname);
7106 spa_close(spa, FTAG);
7107 if (error == 0)
7108 target = dsname;
7109 }
7110 }
7111 if (error == 0)
7112 error = open_objset(target, FTAG, &os);
bb253625
BB		 7113 if (error == 0)
7114 spa = dmu_objset_spa(os);
b128c09f 7115 }
34dc7c2f 7116 }
428870ff 7117 nvlist_free(policy);
34dc7c2f
BB		 7118
7119 if (error)
428870ff 7120 fatal("can't open '%s': %s", target, strerror(error));
34dc7c2f 7121
bb253625
BB		 7122 /*
7123 * Set the pool failure mode to panic in order to prevent the pool
7124 * from suspending. A suspended I/O will have no way to resume and
7125 * can prevent the zdb(8) command from terminating as expected.
7126 */
7127 if (spa != NULL)
7128 spa->spa_failmode = ZIO_FAILURE_MODE_PANIC;
7129
34dc7c2f 7130 argv++;
428870ff
BB		 7131 argc--;
7132 if (!dump_opt['R']) {
7133 if (argc > 0) {
7134 zopt_objects = argc;
7135 zopt_object = calloc(zopt_objects, sizeof (uint64_t));
867959b5 7136 for (unsigned i = 0; i < zopt_objects; i++) {
428870ff
BB		 7137 errno = 0;
7138 zopt_object[i] = strtoull(argv[i], NULL, 0);
7139 if (zopt_object[i] == 0 && errno != 0)
7140 fatal("bad number %s: %s",
7141 argv[i], strerror(errno));
7142 }
34dc7c2f 7143 }
e6f7d015 7144 if (os != NULL) {
37f03da8 7145 dump_objset(os);
e6f7d015 7146 } else if (zopt_objects > 0 && !dump_opt['m']) {
37f03da8 7147 dump_objset(spa->spa_meta_objset);
e6f7d015
CS		 7148 } else {
7149 dump_zpool(spa);
7150 }
34dc7c2f 7151 } else {
428870ff
BB		 7152 flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR;
7153 flagbits['c'] = ZDB_FLAG_CHECKSUM;
7154 flagbits['d'] = ZDB_FLAG_DECOMPRESS;
7155 flagbits['e'] = ZDB_FLAG_BSWAP;
7156 flagbits['g'] = ZDB_FLAG_GBH;
7157 flagbits['i'] = ZDB_FLAG_INDIRECT;
428870ff 7158 flagbits['r'] = ZDB_FLAG_RAW;
f0bf4351 7159 flagbits['v'] = ZDB_FLAG_VERBOSE;
428870ff 7160
867959b5 7161 for (int i = 0; i < argc; i++)
428870ff 7162 zdb_read_block(argv[i], spa);
34dc7c2f
BB		 7163 }
7164
d2734cce
SD		 7165 if (dump_opt['k']) {
7166 free(checkpoint_pool);
7167 if (!target_is_spa)
7168 free(checkpoint_target);
7169 }
7170
30af21b0 7171 if (os != NULL) {
a44e7faa 7172 close_objset(os, FTAG);
30af21b0 7173 } else {
a44e7faa 7174 spa_close(spa, FTAG);
30af21b0 7175 }
428870ff 7176
34dc7c2f
BB		 7177 fuid_table_destroy();
7178
fa603f82
GM		 7179 dump_debug_buffer();
7180
34dc7c2f
BB		 7181 kernel_fini();
7182
64c1dcef 7183 return (error);
34dc7c2f 7184}
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