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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.
894f6696 29 * Copyright (c) 2019 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"
147 "\t\t[<poolname> [<object> ...]]\n"
63f88c12 148 "\t%s [-AdiPv] [-e [-V] [-p <path> ...]] [-U <cache>] <dataset>\n"
149 "\t\t[<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");
b0bc7a84 1571 }
34dc7c2f
BB		 1572}
1573
b128c09f 1574static void
5dbd68a3 1575print_indirect(blkptr_t *bp, const zbookmark_phys_t *zb,
b128c09f 1576 const dnode_phys_t *dnp)
34dc7c2f 1577{
b128c09f 1578 char blkbuf[BP_SPRINTF_LEN];
34dc7c2f
BB		 1579 int l;
1580
9b67f605
MA		 1581 if (!BP_IS_EMBEDDED(bp)) {
1582 ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type);
1583 ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level);
1584 }
34dc7c2f 1585
428870ff 1586 (void) printf("%16llx ", (u_longlong_t)blkid2offset(dnp, bp, zb));
34dc7c2f
BB		 1587
1588 ASSERT(zb->zb_level >= 0);
1589
1590 for (l = dnp->dn_nlevels - 1; l >= -1; l--) {
1591 if (l == zb->zb_level) {
b128c09f 1592 (void) printf("L%llx", (u_longlong_t)zb->zb_level);
34dc7c2f 1593 } else {
b128c09f 1594 (void) printf(" ");
34dc7c2f
BB		 1595 }
1596 }
1597
37f03da8 1598 snprintf_blkptr_compact(blkbuf, sizeof (blkbuf), bp, B_FALSE);
b128c09f
BB		 1599 (void) printf("%s\n", blkbuf);
1600}
1601
b128c09f
BB		 1602static int
1603visit_indirect(spa_t *spa, const dnode_phys_t *dnp,
5dbd68a3 1604 blkptr_t *bp, const zbookmark_phys_t *zb)
b128c09f 1605{
428870ff 1606 int err = 0;
b128c09f
BB		 1607
1608 if (bp->blk_birth == 0)
1609 return (0);
1610
1611 print_indirect(bp, zb, dnp);
1612
b0bc7a84 1613 if (BP_GET_LEVEL(bp) > 0 && !BP_IS_HOLE(bp)) {
2a432414 1614 arc_flags_t flags = ARC_FLAG_WAIT;
b128c09f
BB		 1615 int i;
1616 blkptr_t *cbp;
1617 int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT;
1618 arc_buf_t *buf;
1619 uint64_t fill = 0;
30af21b0 1620 ASSERT(!BP_IS_REDACTED(bp));
b128c09f 1621
294f6806 1622 err = arc_read(NULL, spa, bp, arc_getbuf_func, &buf,
b128c09f
BB		 1623 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb);
1624 if (err)
1625 return (err);
428870ff 1626 ASSERT(buf->b_data);
b128c09f
BB		 1627
1628 /* recursively visit blocks below this */
1629 cbp = buf->b_data;
1630 for (i = 0; i < epb; i++, cbp++) {
5dbd68a3 1631 zbookmark_phys_t czb;
b128c09f
BB		 1632
1633 SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object,
1634 zb->zb_level - 1,
1635 zb->zb_blkid * epb + i);
1636 err = visit_indirect(spa, dnp, cbp, &czb);
1637 if (err)
1638 break;
9b67f605 1639 fill += BP_GET_FILL(cbp);
b128c09f 1640 }
fb5f0bc8 1641 if (!err)
9b67f605 1642 ASSERT3U(fill, ==, BP_GET_FILL(bp));
d3c2ae1c 1643 arc_buf_destroy(buf, &buf);
34dc7c2f
BB		 1644 }
1645
b128c09f 1646 return (err);
34dc7c2f
BB		 1647}
1648
1649/*ARGSUSED*/
1650static void
b128c09f 1651dump_indirect(dnode_t *dn)
34dc7c2f 1652{
b128c09f
BB		 1653 dnode_phys_t *dnp = dn->dn_phys;
1654 int j;
5dbd68a3 1655 zbookmark_phys_t czb;
34dc7c2f
BB		 1656
1657 (void) printf("Indirect blocks:\n");
1658
428870ff 1659 SET_BOOKMARK(&czb, dmu_objset_id(dn->dn_objset),
b128c09f
BB		 1660 dn->dn_object, dnp->dn_nlevels - 1, 0);
1661 for (j = 0; j < dnp->dn_nblkptr; j++) {
1662 czb.zb_blkid = j;
428870ff 1663 (void) visit_indirect(dmu_objset_spa(dn->dn_objset), dnp,
b128c09f
BB		 1664 &dnp->dn_blkptr[j], &czb);
1665 }
34dc7c2f
BB		 1666
1667 (void) printf("\n");
34dc7c2f
BB		 1668}
1669
1670/*ARGSUSED*/
1671static void
1672dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size)
1673{
1674 dsl_dir_phys_t *dd = data;
1675 time_t crtime;
428870ff 1676 char nice[32];
34dc7c2f 1677
f3c8c9e6
JK		 1678 /* make sure nicenum has enough space */
1679 CTASSERT(sizeof (nice) >= NN_NUMBUF_SZ);
1680
34dc7c2f
BB		 1681 if (dd == NULL)
1682 return;
1683
1684 ASSERT3U(size, >=, sizeof (dsl_dir_phys_t));
1685
1686 crtime = dd->dd_creation_time;
34dc7c2f
BB		 1687 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
1688 (void) printf("\t\thead_dataset_obj = %llu\n",
1689 (u_longlong_t)dd->dd_head_dataset_obj);
1690 (void) printf("\t\tparent_dir_obj = %llu\n",
1691 (u_longlong_t)dd->dd_parent_obj);
1692 (void) printf("\t\torigin_obj = %llu\n",
1693 (u_longlong_t)dd->dd_origin_obj);
1694 (void) printf("\t\tchild_dir_zapobj = %llu\n",
1695 (u_longlong_t)dd->dd_child_dir_zapobj);
f3c8c9e6 1696 zdb_nicenum(dd->dd_used_bytes, nice, sizeof (nice));
b128c09f 1697 (void) printf("\t\tused_bytes = %s\n", nice);
f3c8c9e6 1698 zdb_nicenum(dd->dd_compressed_bytes, nice, sizeof (nice));
b128c09f 1699 (void) printf("\t\tcompressed_bytes = %s\n", nice);
f3c8c9e6 1700 zdb_nicenum(dd->dd_uncompressed_bytes, nice, sizeof (nice));
b128c09f 1701 (void) printf("\t\tuncompressed_bytes = %s\n", nice);
f3c8c9e6 1702 zdb_nicenum(dd->dd_quota, nice, sizeof (nice));
b128c09f 1703 (void) printf("\t\tquota = %s\n", nice);
f3c8c9e6 1704 zdb_nicenum(dd->dd_reserved, nice, sizeof (nice));
b128c09f 1705 (void) printf("\t\treserved = %s\n", nice);
34dc7c2f
BB		 1706 (void) printf("\t\tprops_zapobj = %llu\n",
1707 (u_longlong_t)dd->dd_props_zapobj);
1708 (void) printf("\t\tdeleg_zapobj = %llu\n",
1709 (u_longlong_t)dd->dd_deleg_zapobj);
b128c09f
BB		 1710 (void) printf("\t\tflags = %llx\n",
1711 (u_longlong_t)dd->dd_flags);
1712
1713#define DO(which) \
f3c8c9e6
JK		 1714 zdb_nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice, \
1715 sizeof (nice)); \
b128c09f
BB		 1716 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice)
1717 DO(HEAD);
1718 DO(SNAP);
1719 DO(CHILD);
1720 DO(CHILD_RSRV);
1721 DO(REFRSRV);
1722#undef DO
0aa5916a
MA		 1723 (void) printf("\t\tclones = %llu\n",
1724 (u_longlong_t)dd->dd_clones);
34dc7c2f
BB		 1725}
1726
1727/*ARGSUSED*/
1728static void
1729dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size)
1730{
1731 dsl_dataset_phys_t *ds = data;
1732 time_t crtime;
428870ff 1733 char used[32], compressed[32], uncompressed[32], unique[32];
34dc7c2f
BB		 1734 char blkbuf[BP_SPRINTF_LEN];
1735
f3c8c9e6
JK		 1736 /* make sure nicenum has enough space */
1737 CTASSERT(sizeof (used) >= NN_NUMBUF_SZ);
1738 CTASSERT(sizeof (compressed) >= NN_NUMBUF_SZ);
1739 CTASSERT(sizeof (uncompressed) >= NN_NUMBUF_SZ);
1740 CTASSERT(sizeof (unique) >= NN_NUMBUF_SZ);
1741
34dc7c2f
BB		 1742 if (ds == NULL)
1743 return;
1744
1745 ASSERT(size == sizeof (*ds));
1746 crtime = ds->ds_creation_time;
f3c8c9e6
JK		 1747 zdb_nicenum(ds->ds_referenced_bytes, used, sizeof (used));
1748 zdb_nicenum(ds->ds_compressed_bytes, compressed, sizeof (compressed));
1749 zdb_nicenum(ds->ds_uncompressed_bytes, uncompressed,
1750 sizeof (uncompressed));
1751 zdb_nicenum(ds->ds_unique_bytes, unique, sizeof (unique));
b0bc7a84 1752 snprintf_blkptr(blkbuf, sizeof (blkbuf), &ds->ds_bp);
34dc7c2f 1753
b128c09f 1754 (void) printf("\t\tdir_obj = %llu\n",
34dc7c2f
BB		 1755 (u_longlong_t)ds->ds_dir_obj);
1756 (void) printf("\t\tprev_snap_obj = %llu\n",
1757 (u_longlong_t)ds->ds_prev_snap_obj);
1758 (void) printf("\t\tprev_snap_txg = %llu\n",
1759 (u_longlong_t)ds->ds_prev_snap_txg);
1760 (void) printf("\t\tnext_snap_obj = %llu\n",
1761 (u_longlong_t)ds->ds_next_snap_obj);
1762 (void) printf("\t\tsnapnames_zapobj = %llu\n",
1763 (u_longlong_t)ds->ds_snapnames_zapobj);
1764 (void) printf("\t\tnum_children = %llu\n",
1765 (u_longlong_t)ds->ds_num_children);
45d1cae3
BB		 1766 (void) printf("\t\tuserrefs_obj = %llu\n",
1767 (u_longlong_t)ds->ds_userrefs_obj);
34dc7c2f
BB		 1768 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
1769 (void) printf("\t\tcreation_txg = %llu\n",
1770 (u_longlong_t)ds->ds_creation_txg);
1771 (void) printf("\t\tdeadlist_obj = %llu\n",
1772 (u_longlong_t)ds->ds_deadlist_obj);
1773 (void) printf("\t\tused_bytes = %s\n", used);
1774 (void) printf("\t\tcompressed_bytes = %s\n", compressed);
1775 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed);
1776 (void) printf("\t\tunique = %s\n", unique);
1777 (void) printf("\t\tfsid_guid = %llu\n",
1778 (u_longlong_t)ds->ds_fsid_guid);
1779 (void) printf("\t\tguid = %llu\n",
1780 (u_longlong_t)ds->ds_guid);
1781 (void) printf("\t\tflags = %llx\n",
1782 (u_longlong_t)ds->ds_flags);
b128c09f
BB		 1783 (void) printf("\t\tnext_clones_obj = %llu\n",
1784 (u_longlong_t)ds->ds_next_clones_obj);
1785 (void) printf("\t\tprops_obj = %llu\n",
1786 (u_longlong_t)ds->ds_props_obj);
34dc7c2f
BB		 1787 (void) printf("\t\tbp = %s\n", blkbuf);
1788}
1789
9ae529ec
CS		 1790/* ARGSUSED */
1791static int
1792dump_bptree_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
1793{
1794 char blkbuf[BP_SPRINTF_LEN];
1795
1796 if (bp->blk_birth != 0) {
b0bc7a84 1797 snprintf_blkptr(blkbuf, sizeof (blkbuf), bp);
9ae529ec
CS		 1798 (void) printf("\t%s\n", blkbuf);
1799 }
1800 return (0);
1801}
1802
1803static void
867959b5 1804dump_bptree(objset_t *os, uint64_t obj, const char *name)
9ae529ec
CS		 1805{
1806 char bytes[32];
1807 bptree_phys_t *bt;
1808 dmu_buf_t *db;
1809
f3c8c9e6
JK		 1810 /* make sure nicenum has enough space */
1811 CTASSERT(sizeof (bytes) >= NN_NUMBUF_SZ);
1812
9ae529ec
CS		 1813 if (dump_opt['d'] < 3)
1814 return;
1815
1816 VERIFY3U(0, ==, dmu_bonus_hold(os, obj, FTAG, &db));
1817 bt = db->db_data;
f3c8c9e6 1818 zdb_nicenum(bt->bt_bytes, bytes, sizeof (bytes));
9ae529ec
CS		 1819 (void) printf("\n %s: %llu datasets, %s\n",
1820 name, (unsigned long long)(bt->bt_end - bt->bt_begin), bytes);
1821 dmu_buf_rele(db, FTAG);
1822
1823 if (dump_opt['d'] < 5)
1824 return;
1825
1826 (void) printf("\n");
1827
1828 (void) bptree_iterate(os, obj, B_FALSE, dump_bptree_cb, NULL, NULL);
1829}
1830
428870ff
BB		 1831/* ARGSUSED */
1832static int
37f03da8 1833dump_bpobj_cb(void *arg, const blkptr_t *bp, boolean_t bp_freed, dmu_tx_t *tx)
428870ff
BB		 1834{
1835 char blkbuf[BP_SPRINTF_LEN];
1836
1837 ASSERT(bp->blk_birth != 0);
37f03da8 1838 snprintf_blkptr_compact(blkbuf, sizeof (blkbuf), bp, bp_freed);
428870ff
BB		 1839 (void) printf("\t%s\n", blkbuf);
1840 return (0);
1841}
1842
34dc7c2f 1843static void
867959b5 1844dump_full_bpobj(bpobj_t *bpo, const char *name, int indent)
34dc7c2f 1845{
428870ff
BB		 1846 char bytes[32];
1847 char comp[32];
1848 char uncomp[32];
d1fada1e 1849 uint64_t i;
34dc7c2f 1850
f3c8c9e6
JK		 1851 /* make sure nicenum has enough space */
1852 CTASSERT(sizeof (bytes) >= NN_NUMBUF_SZ);
1853 CTASSERT(sizeof (comp) >= NN_NUMBUF_SZ);
1854 CTASSERT(sizeof (uncomp) >= NN_NUMBUF_SZ);
1855
34dc7c2f
BB		 1856 if (dump_opt['d'] < 3)
1857 return;
1858
f3c8c9e6 1859 zdb_nicenum(bpo->bpo_phys->bpo_bytes, bytes, sizeof (bytes));
d1fada1e 1860 if (bpo->bpo_havesubobj && bpo->bpo_phys->bpo_subobjs != 0) {
f3c8c9e6
JK		 1861 zdb_nicenum(bpo->bpo_phys->bpo_comp, comp, sizeof (comp));
1862 zdb_nicenum(bpo->bpo_phys->bpo_uncomp, uncomp, sizeof (uncomp));
37f03da8
SH		 1863 if (bpo->bpo_havefreed) {
1864 (void) printf(" %*s: object %llu, %llu local "
1865 "blkptrs, %llu freed, %llu subobjs in object %llu, "
1866 "%s (%s/%s comp)\n",
1867 indent * 8, name,
1868 (u_longlong_t)bpo->bpo_object,
1869 (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs,
1870 (u_longlong_t)bpo->bpo_phys->bpo_num_freed,
1871 (u_longlong_t)bpo->bpo_phys->bpo_num_subobjs,
1872 (u_longlong_t)bpo->bpo_phys->bpo_subobjs,
1873 bytes, comp, uncomp);
1874 } else {
1875 (void) printf(" %*s: object %llu, %llu local "
1876 "blkptrs, %llu subobjs in object %llu, "
1877 "%s (%s/%s comp)\n",
1878 indent * 8, name,
1879 (u_longlong_t)bpo->bpo_object,
1880 (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs,
1881 (u_longlong_t)bpo->bpo_phys->bpo_num_subobjs,
1882 (u_longlong_t)bpo->bpo_phys->bpo_subobjs,
1883 bytes, comp, uncomp);
1884 }
d1fada1e
MA		 1885
1886 for (i = 0; i < bpo->bpo_phys->bpo_num_subobjs; i++) {
1887 uint64_t subobj;
1888 bpobj_t subbpo;
1889 int error;
1890 VERIFY0(dmu_read(bpo->bpo_os,
1891 bpo->bpo_phys->bpo_subobjs,
1892 i * sizeof (subobj), sizeof (subobj), &subobj, 0));
1893 error = bpobj_open(&subbpo, bpo->bpo_os, subobj);
1894 if (error != 0) {
1895 (void) printf("ERROR %u while trying to open "
1896 "subobj id %llu\n",
1897 error, (u_longlong_t)subobj);
1898 continue;
1899 }
252e1a54 1900 dump_full_bpobj(&subbpo, "subobj", indent + 1);
07434858 1901 bpobj_close(&subbpo);
d1fada1e 1902 }
34dc7c2f 1903 } else {
37f03da8
SH		 1904 if (bpo->bpo_havefreed) {
1905 (void) printf(" %*s: object %llu, %llu blkptrs, "
1906 "%llu freed, %s\n",
1907 indent * 8, name,
1908 (u_longlong_t)bpo->bpo_object,
1909 (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs,
1910 (u_longlong_t)bpo->bpo_phys->bpo_num_freed,
1911 bytes);
1912 } else {
1913 (void) printf(" %*s: object %llu, %llu blkptrs, "
1914 "%s\n",
1915 indent * 8, name,
1916 (u_longlong_t)bpo->bpo_object,
1917 (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs,
1918 bytes);
1919 }
34dc7c2f
BB		 1920 }
1921
428870ff 1922 if (dump_opt['d'] < 5)
34dc7c2f 1923 return;
34dc7c2f 1924
34dc7c2f 1925
d1fada1e
MA		 1926 if (indent == 0) {
1927 (void) bpobj_iterate_nofree(bpo, dump_bpobj_cb, NULL, NULL);
1928 (void) printf("\n");
1929 }
428870ff 1930}
34dc7c2f 1931
30af21b0
PD		 1932static int
1933dump_bookmark(dsl_pool_t *dp, char *name, boolean_t print_redact,
1934 boolean_t print_list)
1935{
1936 int err = 0;
1937 zfs_bookmark_phys_t prop;
1938 objset_t *mos = dp->dp_spa->spa_meta_objset;
1939 err = dsl_bookmark_lookup(dp, name, NULL, &prop);
1940
1941 if (err != 0) {
1942 return (err);
1943 }
1944
1945 (void) printf("\t#%s: ", strchr(name, '#') + 1);
1946 (void) printf("{guid: %llx creation_txg: %llu creation_time: "
1947 "%llu redaction_obj: %llu}\n", (u_longlong_t)prop.zbm_guid,
1948 (u_longlong_t)prop.zbm_creation_txg,
1949 (u_longlong_t)prop.zbm_creation_time,
1950 (u_longlong_t)prop.zbm_redaction_obj);
1951
1952 IMPLY(print_list, print_redact);
1953 if (!print_redact || prop.zbm_redaction_obj == 0)
1954 return (0);
1955
1956 redaction_list_t *rl;
1957 VERIFY0(dsl_redaction_list_hold_obj(dp,
1958 prop.zbm_redaction_obj, FTAG, &rl));
1959
1960 redaction_list_phys_t *rlp = rl->rl_phys;
1961 (void) printf("\tRedacted:\n\t\tProgress: ");
1962 if (rlp->rlp_last_object != UINT64_MAX ||
1963 rlp->rlp_last_blkid != UINT64_MAX) {
1964 (void) printf("%llu %llu (incomplete)\n",
1965 (u_longlong_t)rlp->rlp_last_object,
1966 (u_longlong_t)rlp->rlp_last_blkid);
1967 } else {
1968 (void) printf("complete\n");
1969 }
1970 (void) printf("\t\tSnapshots: [");
1971 for (unsigned int i = 0; i < rlp->rlp_num_snaps; i++) {
1972 if (i > 0)
1973 (void) printf(", ");
1974 (void) printf("%0llu",
1975 (u_longlong_t)rlp->rlp_snaps[i]);
1976 }
1977 (void) printf("]\n\t\tLength: %llu\n",
1978 (u_longlong_t)rlp->rlp_num_entries);
1979
1980 if (!print_list) {
1981 dsl_redaction_list_rele(rl, FTAG);
1982 return (0);
1983 }
1984
1985 if (rlp->rlp_num_entries == 0) {
1986 dsl_redaction_list_rele(rl, FTAG);
1987 (void) printf("\t\tRedaction List: []\n\n");
1988 return (0);
1989 }
1990
1991 redact_block_phys_t *rbp_buf;
1992 uint64_t size;
1993 dmu_object_info_t doi;
1994
1995 VERIFY0(dmu_object_info(mos, prop.zbm_redaction_obj, &doi));
1996 size = doi.doi_max_offset;
1997 rbp_buf = kmem_alloc(size, KM_SLEEP);
1998
1999 err = dmu_read(mos, prop.zbm_redaction_obj, 0, size,
2000 rbp_buf, 0);
2001 if (err != 0) {
2002 dsl_redaction_list_rele(rl, FTAG);
2003 kmem_free(rbp_buf, size);
2004 return (err);
2005 }
2006
2007 (void) printf("\t\tRedaction List: [{object: %llx, offset: "
2008 "%llx, blksz: %x, count: %llx}",
2009 (u_longlong_t)rbp_buf[0].rbp_object,
2010 (u_longlong_t)rbp_buf[0].rbp_blkid,
2011 (uint_t)(redact_block_get_size(&rbp_buf[0])),
2012 (u_longlong_t)redact_block_get_count(&rbp_buf[0]));
2013
2014 for (size_t i = 1; i < rlp->rlp_num_entries; i++) {
2015 (void) printf(",\n\t\t{object: %llx, offset: %llx, "
2016 "blksz: %x, count: %llx}",
2017 (u_longlong_t)rbp_buf[i].rbp_object,
2018 (u_longlong_t)rbp_buf[i].rbp_blkid,
2019 (uint_t)(redact_block_get_size(&rbp_buf[i])),
2020 (u_longlong_t)redact_block_get_count(&rbp_buf[i]));
2021 }
2022 dsl_redaction_list_rele(rl, FTAG);
2023 kmem_free(rbp_buf, size);
2024 (void) printf("]\n\n");
2025 return (0);
2026}
2027
2028static void
2029dump_bookmarks(objset_t *os, int verbosity)
2030{
2031 zap_cursor_t zc;
2032 zap_attribute_t attr;
2033 dsl_dataset_t *ds = dmu_objset_ds(os);
2034 dsl_pool_t *dp = spa_get_dsl(os->os_spa);
2035 objset_t *mos = os->os_spa->spa_meta_objset;
2036 if (verbosity < 4)
2037 return;
2038 dsl_pool_config_enter(dp, FTAG);
2039
2040 for (zap_cursor_init(&zc, mos, ds->ds_bookmarks_obj);
2041 zap_cursor_retrieve(&zc, &attr) == 0;
2042 zap_cursor_advance(&zc)) {
2043 char osname[ZFS_MAX_DATASET_NAME_LEN];
2044 char buf[ZFS_MAX_DATASET_NAME_LEN];
2045 dmu_objset_name(os, osname);
5279ae91 2046 VERIFY3S(0, <=, snprintf(buf, sizeof (buf), "%s#%s", osname,
30af21b0
PD		 2047 attr.za_name));
2048 (void) dump_bookmark(dp, buf, verbosity >= 5, verbosity >= 6);
2049 }
2050 zap_cursor_fini(&zc);
2051 dsl_pool_config_exit(dp, FTAG);
2052}
2053
0aa5916a
MA		 2054static void
2055bpobj_count_refd(bpobj_t *bpo)
2056{
2057 mos_obj_refd(bpo->bpo_object);
2058
2059 if (bpo->bpo_havesubobj && bpo->bpo_phys->bpo_subobjs != 0) {
2060 mos_obj_refd(bpo->bpo_phys->bpo_subobjs);
2061 for (uint64_t i = 0; i < bpo->bpo_phys->bpo_num_subobjs; i++) {
2062 uint64_t subobj;
2063 bpobj_t subbpo;
2064 int error;
2065 VERIFY0(dmu_read(bpo->bpo_os,
2066 bpo->bpo_phys->bpo_subobjs,
2067 i * sizeof (subobj), sizeof (subobj), &subobj, 0));
2068 error = bpobj_open(&subbpo, bpo->bpo_os, subobj);
2069 if (error != 0) {
2070 (void) printf("ERROR %u while trying to open "
2071 "subobj id %llu\n",
2072 error, (u_longlong_t)subobj);
2073 continue;
2074 }
2075 bpobj_count_refd(&subbpo);
2076 bpobj_close(&subbpo);
2077 }
2078 }
2079}
2080
37f03da8
SH		 2081static int
2082dsl_deadlist_entry_count_refd(void *arg, dsl_deadlist_entry_t *dle)
2083{
2084 spa_t *spa = arg;
2085 uint64_t empty_bpobj = spa->spa_dsl_pool->dp_empty_bpobj;
2086 if (dle->dle_bpobj.bpo_object != empty_bpobj)
2087 bpobj_count_refd(&dle->dle_bpobj);
2088 return (0);
2089}
2090
2091static int
2092dsl_deadlist_entry_dump(void *arg, dsl_deadlist_entry_t *dle)
2093{
2094 ASSERT(arg == NULL);
2095 if (dump_opt['d'] >= 5) {
2096 char buf[128];
2097 (void) snprintf(buf, sizeof (buf),
2098 "mintxg %llu -> obj %llu",
2099 (longlong_t)dle->dle_mintxg,
2100 (longlong_t)dle->dle_bpobj.bpo_object);
2101
2102 dump_full_bpobj(&dle->dle_bpobj, buf, 0);
2103 } else {
2104 (void) printf("mintxg %llu -> obj %llu\n",
2105 (longlong_t)dle->dle_mintxg,
2106 (longlong_t)dle->dle_bpobj.bpo_object);
2107 }
2108 return (0);
2109}
2110
428870ff 2111static void
37f03da8 2112dump_blkptr_list(dsl_deadlist_t *dl, char *name)
428870ff 2113{
428870ff
BB		 2114 char bytes[32];
2115 char comp[32];
2116 char uncomp[32];
37f03da8
SH		 2117 char entries[32];
2118 spa_t *spa = dmu_objset_spa(dl->dl_os);
2119 uint64_t empty_bpobj = spa->spa_dsl_pool->dp_empty_bpobj;
0aa5916a
MA		 2120
2121 if (dl->dl_oldfmt) {
2122 if (dl->dl_bpobj.bpo_object != empty_bpobj)
2123 bpobj_count_refd(&dl->dl_bpobj);
2124 } else {
2125 mos_obj_refd(dl->dl_object);
37f03da8 2126 dsl_deadlist_iterate(dl, dsl_deadlist_entry_count_refd, spa);
0aa5916a 2127 }
428870ff 2128
f3c8c9e6
JK		 2129 /* make sure nicenum has enough space */
2130 CTASSERT(sizeof (bytes) >= NN_NUMBUF_SZ);
2131 CTASSERT(sizeof (comp) >= NN_NUMBUF_SZ);
2132 CTASSERT(sizeof (uncomp) >= NN_NUMBUF_SZ);
37f03da8 2133 CTASSERT(sizeof (entries) >= NN_NUMBUF_SZ);
f3c8c9e6 2134
428870ff
BB		 2135 if (dump_opt['d'] < 3)
2136 return;
34dc7c2f 2137
acf58e70 2138 if (dl->dl_oldfmt) {
252e1a54 2139 dump_full_bpobj(&dl->dl_bpobj, "old-format deadlist", 0);
acf58e70
MA		 2140 return;
2141 }
2142
f3c8c9e6
JK		 2143 zdb_nicenum(dl->dl_phys->dl_used, bytes, sizeof (bytes));
2144 zdb_nicenum(dl->dl_phys->dl_comp, comp, sizeof (comp));
2145 zdb_nicenum(dl->dl_phys->dl_uncomp, uncomp, sizeof (uncomp));
37f03da8
SH		 2146 zdb_nicenum(avl_numnodes(&dl->dl_tree), entries, sizeof (entries));
2147 (void) printf("\n %s: %s (%s/%s comp), %s entries\n",
2148 name, bytes, comp, uncomp, entries);
428870ff
BB		 2149
2150 if (dump_opt['d'] < 4)
2151 return;
2152
2153 (void) printf("\n");
2154
37f03da8
SH		 2155 dsl_deadlist_iterate(dl, dsl_deadlist_entry_dump, NULL);
2156}
428870ff 2157
37f03da8
SH		 2158static int
2159verify_dd_livelist(objset_t *os)
2160{
2161 uint64_t ll_used, used, ll_comp, comp, ll_uncomp, uncomp;
2162 dsl_pool_t *dp = spa_get_dsl(os->os_spa);
2163 dsl_dir_t *dd = os->os_dsl_dataset->ds_dir;
2164
2165 ASSERT(!dmu_objset_is_snapshot(os));
2166 if (!dsl_deadlist_is_open(&dd->dd_livelist))
2167 return (0);
2168 dsl_pool_config_enter(dp, FTAG);
2169 dsl_deadlist_space(&dd->dd_livelist, &ll_used,
2170 &ll_comp, &ll_uncomp);
2171
2172 dsl_dataset_t *origin_ds;
2173 ASSERT(dsl_pool_config_held(dp));
2174 VERIFY0(dsl_dataset_hold_obj(dp,
2175 dsl_dir_phys(dd)->dd_origin_obj, FTAG, &origin_ds));
2176 VERIFY0(dsl_dataset_space_written(origin_ds, os->os_dsl_dataset,
2177 &used, &comp, &uncomp));
2178 dsl_dataset_rele(origin_ds, FTAG);
2179 dsl_pool_config_exit(dp, FTAG);
2180 /*
2181 * It's possible that the dataset's uncomp space is larger than the
2182 * livelist's because livelists do not track embedded block pointers
2183 */
2184 if (used != ll_used || comp != ll_comp || uncomp < ll_uncomp) {
2185 char nice_used[32], nice_comp[32], nice_uncomp[32];
2186 (void) printf("Discrepancy in space accounting:\n");
2187 zdb_nicenum(used, nice_used, sizeof (nice_used));
2188 zdb_nicenum(comp, nice_comp, sizeof (nice_comp));
2189 zdb_nicenum(uncomp, nice_uncomp, sizeof (nice_uncomp));
2190 (void) printf("dir: used %s, comp %s, uncomp %s\n",
2191 nice_used, nice_comp, nice_uncomp);
2192 zdb_nicenum(ll_used, nice_used, sizeof (nice_used));
2193 zdb_nicenum(ll_comp, nice_comp, sizeof (nice_comp));
2194 zdb_nicenum(ll_uncomp, nice_uncomp, sizeof (nice_uncomp));
2195 (void) printf("livelist: used %s, comp %s, uncomp %s\n",
2196 nice_used, nice_comp, nice_uncomp);
2197 return (1);
428870ff 2198 }
37f03da8 2199 return (0);
34dc7c2f
BB		 2200}
2201
2202static avl_tree_t idx_tree;
2203static avl_tree_t domain_tree;
2204static boolean_t fuid_table_loaded;
a44e7faa
BB		 2205static objset_t *sa_os = NULL;
2206static sa_attr_type_t *sa_attr_table = NULL;
2207
2208static int
30af21b0 2209open_objset(const char *path, void *tag, objset_t **osp)
a44e7faa
BB		 2210{
2211 int err;
2212 uint64_t sa_attrs = 0;
2213 uint64_t version = 0;
2214
2215 VERIFY3P(sa_os, ==, NULL);
30af21b0
PD		 2216 /*
2217 * We can't own an objset if it's redacted. Therefore, we do this
2218 * dance: hold the objset, then acquire a long hold on its dataset, then
2219 * release the pool (which is held as part of holding the objset).
2220 */
2221 err = dmu_objset_hold(path, tag, osp);
a44e7faa 2222 if (err != 0) {
30af21b0
PD		 2223 (void) fprintf(stderr, "failed to hold dataset '%s': %s\n",
2224 path, strerror(err));
a44e7faa
BB		 2225 return (err);
2226 }
30af21b0
PD		 2227 dsl_dataset_long_hold(dmu_objset_ds(*osp), tag);
2228 dsl_pool_rele(dmu_objset_pool(*osp), tag);
a44e7faa 2229
b5256303 2230 if (dmu_objset_type(*osp) == DMU_OST_ZFS && !(*osp)->os_encrypted) {
a44e7faa
BB		 2231 (void) zap_lookup(*osp, MASTER_NODE_OBJ, ZPL_VERSION_STR,
2232 8, 1, &version);
2233 if (version >= ZPL_VERSION_SA) {
2234 (void) zap_lookup(*osp, MASTER_NODE_OBJ, ZFS_SA_ATTRS,
2235 8, 1, &sa_attrs);
2236 }
2237 err = sa_setup(*osp, sa_attrs, zfs_attr_table, ZPL_END,
2238 &sa_attr_table);
2239 if (err != 0) {
2240 (void) fprintf(stderr, "sa_setup failed: %s\n",
2241 strerror(err));
30af21b0
PD		 2242 dsl_dataset_long_rele(dmu_objset_ds(*osp), tag);
2243 dsl_dataset_rele(dmu_objset_ds(*osp), tag);
a44e7faa
BB		 2244 *osp = NULL;
2245 }
2246 }
2247 sa_os = *osp;
2248
2249 return (0);
2250}
2251
2252static void
2253close_objset(objset_t *os, void *tag)
2254{
2255 VERIFY3P(os, ==, sa_os);
2256 if (os->os_sa != NULL)
2257 sa_tear_down(os);
30af21b0
PD		 2258 dsl_dataset_long_rele(dmu_objset_ds(os), tag);
2259 dsl_dataset_rele(dmu_objset_ds(os), tag);
a44e7faa
BB		 2260 sa_attr_table = NULL;
2261 sa_os = NULL;
2262}
34dc7c2f
BB		 2263
2264static void
0bc8fd78 2265fuid_table_destroy(void)
34dc7c2f
BB		 2266{
2267 if (fuid_table_loaded) {
2268 zfs_fuid_table_destroy(&idx_tree, &domain_tree);
2269 fuid_table_loaded = B_FALSE;
2270 }
2271}
2272
2273/*
2274 * print uid or gid information.
2275 * For normal POSIX id just the id is printed in decimal format.
2276 * For CIFS files with FUID the fuid is printed in hex followed by
d1fada1e 2277 * the domain-rid string.
34dc7c2f
BB		 2278 */
2279static void
2280print_idstr(uint64_t id, const char *id_type)
2281{
2282 if (FUID_INDEX(id)) {
2283 char *domain;
2284
2285 domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id));
2286 (void) printf("\t%s %llx [%s-%d]\n", id_type,
2287 (u_longlong_t)id, domain, (int)FUID_RID(id));
2288 } else {
2289 (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id);
2290 }
2291
2292}
2293
2294static void
428870ff 2295dump_uidgid(objset_t *os, uint64_t uid, uint64_t gid)
34dc7c2f
BB		 2296{
2297 uint32_t uid_idx, gid_idx;
2298
428870ff
BB		 2299 uid_idx = FUID_INDEX(uid);
2300 gid_idx = FUID_INDEX(gid);
34dc7c2f
BB		 2301
2302 /* Load domain table, if not already loaded */
2303 if (!fuid_table_loaded && (uid_idx || gid_idx)) {
2304 uint64_t fuid_obj;
2305
2306 /* first find the fuid object. It lives in the master node */
2307 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES,
2308 8, 1, &fuid_obj) == 0);
9babb374 2309 zfs_fuid_avl_tree_create(&idx_tree, &domain_tree);
34dc7c2f
BB		 2310 (void) zfs_fuid_table_load(os, fuid_obj,
2311 &idx_tree, &domain_tree);
2312 fuid_table_loaded = B_TRUE;
2313 }
2314
428870ff
BB		 2315 print_idstr(uid, "uid");
2316 print_idstr(gid, "gid");
34dc7c2f
BB		 2317}
2318
50210587
TC		 2319static void
2320dump_znode_sa_xattr(sa_handle_t *hdl)
2321{
2322 nvlist_t *sa_xattr;
2323 nvpair_t *elem = NULL;
2324 int sa_xattr_size = 0;
2325 int sa_xattr_entries = 0;
2326 int error;
2327 char *sa_xattr_packed;
2328
2329 error = sa_size(hdl, sa_attr_table[ZPL_DXATTR], &sa_xattr_size);
2330 if (error || sa_xattr_size == 0)
2331 return;
2332
2333 sa_xattr_packed = malloc(sa_xattr_size);
2334 if (sa_xattr_packed == NULL)
2335 return;
2336
2337 error = sa_lookup(hdl, sa_attr_table[ZPL_DXATTR],
2338 sa_xattr_packed, sa_xattr_size);
2339 if (error) {
2340 free(sa_xattr_packed);
2341 return;
2342 }
2343
2344 error = nvlist_unpack(sa_xattr_packed, sa_xattr_size, &sa_xattr, 0);
2345 if (error) {
2346 free(sa_xattr_packed);
2347 return;
2348 }
2349
2350 while ((elem = nvlist_next_nvpair(sa_xattr, elem)) != NULL)
2351 sa_xattr_entries++;
2352
2353 (void) printf("\tSA xattrs: %d bytes, %d entries\n\n",
2354 sa_xattr_size, sa_xattr_entries);
2355 while ((elem = nvlist_next_nvpair(sa_xattr, elem)) != NULL) {
2356 uchar_t *value;
2357 uint_t cnt, idx;
2358
2359 (void) printf("\t\t%s = ", nvpair_name(elem));
2360 nvpair_value_byte_array(elem, &value, &cnt);
d1d7e268 2361 for (idx = 0; idx < cnt; ++idx) {
50210587
TC		 2362 if (isprint(value[idx]))
2363 (void) putchar(value[idx]);
2364 else
2365 (void) printf("\\%3.3o", value[idx]);
2366 }
2367 (void) putchar('\n');
2368 }
2369
2370 nvlist_free(sa_xattr);
2371 free(sa_xattr_packed);
2372}
2373
34dc7c2f
BB		 2374/*ARGSUSED*/
2375static void
2376dump_znode(objset_t *os, uint64_t object, void *data, size_t size)
2377{
34dc7c2f 2378 char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */
428870ff
BB		 2379 sa_handle_t *hdl;
2380 uint64_t xattr, rdev, gen;
2381 uint64_t uid, gid, mode, fsize, parent, links;
2382 uint64_t pflags;
2383 uint64_t acctm[2], modtm[2], chgtm[2], crtm[2];
2384 time_t z_crtime, z_atime, z_mtime, z_ctime;
2385 sa_bulk_attr_t bulk[12];
2386 int idx = 0;
34dc7c2f
BB		 2387 int error;
2388
a44e7faa 2389 VERIFY3P(os, ==, sa_os);
428870ff
BB		 2390 if (sa_handle_get(os, object, NULL, SA_HDL_PRIVATE, &hdl)) {
2391 (void) printf("Failed to get handle for SA znode\n");
2392 return;
2393 }
2394
2395 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_UID], NULL, &uid, 8);
2396 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GID], NULL, &gid, 8);
2397 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_LINKS], NULL,
2398 &links, 8);
2399 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GEN], NULL, &gen, 8);
2400 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MODE], NULL,
2401 &mode, 8);
2402 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_PARENT],
2403 NULL, &parent, 8);
2404 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_SIZE], NULL,
2405 &fsize, 8);
2406 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_ATIME], NULL,
2407 acctm, 16);
2408 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MTIME], NULL,
2409 modtm, 16);
2410 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CRTIME], NULL,
2411 crtm, 16);
2412 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CTIME], NULL,
2413 chgtm, 16);
2414 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_FLAGS], NULL,
2415 &pflags, 8);
2416
2417 if (sa_bulk_lookup(hdl, bulk, idx)) {
2418 (void) sa_handle_destroy(hdl);
2419 return;
2420 }
34dc7c2f 2421
428870ff
BB		 2422 z_crtime = (time_t)crtm[0];
2423 z_atime = (time_t)acctm[0];
2424 z_mtime = (time_t)modtm[0];
2425 z_ctime = (time_t)chgtm[0];
34dc7c2f 2426
a5c3a1ef
AS		 2427 if (dump_opt['d'] > 4) {
2428 error = zfs_obj_to_path(os, object, path, sizeof (path));
64c1dcef
PD		 2429 if (error == ESTALE) {
2430 (void) snprintf(path, sizeof (path), "on delete queue");
2431 } else if (error != 0) {
2432 leaked_objects++;
a5c3a1ef 2433 (void) snprintf(path, sizeof (path),
64c1dcef 2434 "path not found, possibly leaked");
a5c3a1ef
AS		 2435 }
2436 (void) printf("\tpath %s\n", path);
2437 }
428870ff 2438 dump_uidgid(os, uid, gid);
34dc7c2f
BB		 2439 (void) printf("\tatime %s", ctime(&z_atime));
2440 (void) printf("\tmtime %s", ctime(&z_mtime));
2441 (void) printf("\tctime %s", ctime(&z_ctime));
2442 (void) printf("\tcrtime %s", ctime(&z_crtime));
428870ff
BB		 2443 (void) printf("\tgen %llu\n", (u_longlong_t)gen);
2444 (void) printf("\tmode %llo\n", (u_longlong_t)mode);
2445 (void) printf("\tsize %llu\n", (u_longlong_t)fsize);
2446 (void) printf("\tparent %llu\n", (u_longlong_t)parent);
2447 (void) printf("\tlinks %llu\n", (u_longlong_t)links);
2448 (void) printf("\tpflags %llx\n", (u_longlong_t)pflags);
9c5167d1
NF		 2449 if (dmu_objset_projectquota_enabled(os) && (pflags & ZFS_PROJID)) {
2450 uint64_t projid;
2451
2452 if (sa_lookup(hdl, sa_attr_table[ZPL_PROJID], &projid,
2453 sizeof (uint64_t)) == 0)
2454 (void) printf("\tprojid %llu\n", (u_longlong_t)projid);
2455 }
428870ff
BB		 2456 if (sa_lookup(hdl, sa_attr_table[ZPL_XATTR], &xattr,
2457 sizeof (uint64_t)) == 0)
2458 (void) printf("\txattr %llu\n", (u_longlong_t)xattr);
2459 if (sa_lookup(hdl, sa_attr_table[ZPL_RDEV], &rdev,
2460 sizeof (uint64_t)) == 0)
2461 (void) printf("\trdev 0x%016llx\n", (u_longlong_t)rdev);
50210587 2462 dump_znode_sa_xattr(hdl);
428870ff 2463 sa_handle_destroy(hdl);
34dc7c2f
BB		 2464}
2465
2466/*ARGSUSED*/
2467static void
2468dump_acl(objset_t *os, uint64_t object, void *data, size_t size)
2469{
2470}
2471
2472/*ARGSUSED*/
2473static void
2474dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size)
2475{
2476}
2477
428870ff 2478static object_viewer_t *object_viewer[DMU_OT_NUMTYPES + 1] = {
34dc7c2f
BB		 2479 dump_none, /* unallocated */
2480 dump_zap, /* object directory */
2481 dump_uint64, /* object array */
2482 dump_none, /* packed nvlist */
2483 dump_packed_nvlist, /* packed nvlist size */
252e1a54
MA		 2484 dump_none, /* bpobj */
2485 dump_bpobj, /* bpobj header */
34dc7c2f
BB		 2486 dump_none, /* SPA space map header */
2487 dump_none, /* SPA space map */
2488 dump_none, /* ZIL intent log */
2489 dump_dnode, /* DMU dnode */
2490 dump_dmu_objset, /* DMU objset */
2491 dump_dsl_dir, /* DSL directory */
2492 dump_zap, /* DSL directory child map */
2493 dump_zap, /* DSL dataset snap map */
2494 dump_zap, /* DSL props */
2495 dump_dsl_dataset, /* DSL dataset */
2496 dump_znode, /* ZFS znode */
2497 dump_acl, /* ZFS V0 ACL */
2498 dump_uint8, /* ZFS plain file */
2499 dump_zpldir, /* ZFS directory */
2500 dump_zap, /* ZFS master node */
2501 dump_zap, /* ZFS delete queue */
2502 dump_uint8, /* zvol object */
2503 dump_zap, /* zvol prop */
2504 dump_uint8, /* other uint8[] */
2505 dump_uint64, /* other uint64[] */
2506 dump_zap, /* other ZAP */
2507 dump_zap, /* persistent error log */
2508 dump_uint8, /* SPA history */
6f1ffb06 2509 dump_history_offsets, /* SPA history offsets */
34dc7c2f
BB		 2510 dump_zap, /* Pool properties */
2511 dump_zap, /* DSL permissions */
2512 dump_acl, /* ZFS ACL */
2513 dump_uint8, /* ZFS SYSACL */
2514 dump_none, /* FUID nvlist */
2515 dump_packed_nvlist, /* FUID nvlist size */
b128c09f
BB		 2516 dump_zap, /* DSL dataset next clones */
2517 dump_zap, /* DSL scrub queue */
9c5167d1
NF		 2518 dump_zap, /* ZFS user/group/project used */
2519 dump_zap, /* ZFS user/group/project quota */
45d1cae3 2520 dump_zap, /* snapshot refcount tags */
428870ff
BB		 2521 dump_ddt_zap, /* DDT ZAP object */
2522 dump_zap, /* DDT statistics */
2523 dump_znode, /* SA object */
2524 dump_zap, /* SA Master Node */
2525 dump_sa_attrs, /* SA attribute registration */
2526 dump_sa_layouts, /* SA attribute layouts */
2527 dump_zap, /* DSL scrub translations */
2528 dump_none, /* fake dedup BP */
2529 dump_zap, /* deadlist */
2530 dump_none, /* deadlist hdr */
2531 dump_zap, /* dsl clones */
252e1a54 2532 dump_bpobj_subobjs, /* bpobj subobjs */
428870ff 2533 dump_unknown, /* Unknown type, must be last */
34dc7c2f
BB		 2534};
2535
2536static void
30af21b0
PD		 2537dump_object(objset_t *os, uint64_t object, int verbosity,
2538 boolean_t *print_header, uint64_t *dnode_slots_used)
34dc7c2f
BB		 2539{
2540 dmu_buf_t *db = NULL;
2541 dmu_object_info_t doi;
2542 dnode_t *dn;
b5256303 2543 boolean_t dnode_held = B_FALSE;
34dc7c2f
BB		 2544 void *bonus = NULL;
2545 size_t bsize = 0;
50c957f7 2546 char iblk[32], dblk[32], lsize[32], asize[32], fill[32], dnsize[32];
428870ff 2547 char bonus_size[32];
34dc7c2f
BB		 2548 char aux[50];
2549 int error;
2550
f3c8c9e6
JK		 2551 /* make sure nicenum has enough space */
2552 CTASSERT(sizeof (iblk) >= NN_NUMBUF_SZ);
2553 CTASSERT(sizeof (dblk) >= NN_NUMBUF_SZ);
2554 CTASSERT(sizeof (lsize) >= NN_NUMBUF_SZ);
2555 CTASSERT(sizeof (asize) >= NN_NUMBUF_SZ);
2556 CTASSERT(sizeof (bonus_size) >= NN_NUMBUF_SZ);
2557
34dc7c2f 2558 if (*print_header) {
50c957f7
NB		 2559 (void) printf("\n%10s %3s %5s %5s %5s %6s %5s %6s %s\n",
2560 "Object", "lvl", "iblk", "dblk", "dsize", "dnsize",
2561 "lsize", "%full", "type");
34dc7c2f
BB		 2562 *print_header = 0;
2563 }
2564
2565 if (object == 0) {
572e2857 2566 dn = DMU_META_DNODE(os);
b5256303 2567 dmu_object_info_from_dnode(dn, &doi);
34dc7c2f 2568 } else {
b5256303
TC		 2569 /*
2570 * Encrypted datasets will have sensitive bonus buffers
2571 * encrypted. Therefore we cannot hold the bonus buffer and
2572 * must hold the dnode itself instead.
2573 */
2574 error = dmu_object_info(os, object, &doi);
34dc7c2f 2575 if (error)
b5256303
TC		 2576 fatal("dmu_object_info() failed, errno %u", error);
2577
2578 if (os->os_encrypted &&
2579 DMU_OT_IS_ENCRYPTED(doi.doi_bonus_type)) {
2580 error = dnode_hold(os, object, FTAG, &dn);
2581 if (error)
2582 fatal("dnode_hold() failed, errno %u", error);
2583 dnode_held = B_TRUE;
2584 } else {
2585 error = dmu_bonus_hold(os, object, FTAG, &db);
2586 if (error)
2587 fatal("dmu_bonus_hold(%llu) failed, errno %u",
2588 object, error);
2589 bonus = db->db_data;
2590 bsize = db->db_size;
2591 dn = DB_DNODE((dmu_buf_impl_t *)db);
2592 }
34dc7c2f 2593 }
34dc7c2f 2594
4c5b89f5
OF		 2595 if (dnode_slots_used)
2596 *dnode_slots_used = doi.doi_dnodesize / DNODE_MIN_SIZE;
2597
f3c8c9e6
JK		 2598 zdb_nicenum(doi.doi_metadata_block_size, iblk, sizeof (iblk));
2599 zdb_nicenum(doi.doi_data_block_size, dblk, sizeof (dblk));
2600 zdb_nicenum(doi.doi_max_offset, lsize, sizeof (lsize));
2601 zdb_nicenum(doi.doi_physical_blocks_512 << 9, asize, sizeof (asize));
2602 zdb_nicenum(doi.doi_bonus_size, bonus_size, sizeof (bonus_size));
2603 zdb_nicenum(doi.doi_dnodesize, dnsize, sizeof (dnsize));
428870ff
BB		 2604 (void) sprintf(fill, "%6.2f", 100.0 * doi.doi_fill_count *
2605 doi.doi_data_block_size / (object == 0 ? DNODES_PER_BLOCK : 1) /
2606 doi.doi_max_offset);
34dc7c2f
BB		 2607
2608 aux[0] = '\0';
2609
2610 if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) {
ced28193
TH		 2611 (void) snprintf(aux + strlen(aux), sizeof (aux) - strlen(aux),
2612 " (K=%s)", ZDB_CHECKSUM_NAME(doi.doi_checksum));
34dc7c2f
BB		 2613 }
2614
2615 if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) {
ced28193
TH		 2616 (void) snprintf(aux + strlen(aux), sizeof (aux) - strlen(aux),
2617 " (Z=%s)", ZDB_COMPRESS_NAME(doi.doi_compress));
34dc7c2f
BB		 2618 }
2619
50c957f7 2620 (void) printf("%10lld %3u %5s %5s %5s %6s %5s %6s %s%s\n",
428870ff 2621 (u_longlong_t)object, doi.doi_indirection, iblk, dblk,
f3c9cac1 2622 asize, dnsize, lsize, fill, zdb_ot_name(doi.doi_type), aux);
34dc7c2f
BB		 2623
2624 if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) {
50c957f7
NB		 2625 (void) printf("%10s %3s %5s %5s %5s %5s %5s %6s %s\n",
2626 "", "", "", "", "", "", bonus_size, "bonus",
f3c9cac1 2627 zdb_ot_name(doi.doi_bonus_type));
34dc7c2f
BB		 2628 }
2629
2630 if (verbosity >= 4) {
1de321e6 2631 (void) printf("\tdnode flags: %s%s%s%s\n",
9babb374
BB		 2632 (dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ?
2633 "USED_BYTES " : "",
2634 (dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ?
428870ff 2635 "USERUSED_ACCOUNTED " : "",
1de321e6
JX		 2636 (dn->dn_phys->dn_flags & DNODE_FLAG_USEROBJUSED_ACCOUNTED) ?
2637 "USEROBJUSED_ACCOUNTED " : "",
428870ff
BB		 2638 (dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR) ?
2639 "SPILL_BLKPTR" : "");
9babb374
BB		 2640 (void) printf("\tdnode maxblkid: %llu\n",
2641 (longlong_t)dn->dn_phys->dn_maxblkid);
2642
b5256303
TC		 2643 if (!dnode_held) {
2644 object_viewer[ZDB_OT_TYPE(doi.doi_bonus_type)](os,
2645 object, bonus, bsize);
2646 } else {
2647 (void) printf("\t\t(bonus encrypted)\n");
2648 }
2649
2650 if (!os->os_encrypted || !DMU_OT_IS_ENCRYPTED(doi.doi_type)) {
2651 object_viewer[ZDB_OT_TYPE(doi.doi_type)](os, object,
2652 NULL, 0);
2653 } else {
2654 (void) printf("\t\t(object encrypted)\n");
2655 }
2656
30af21b0 2657 *print_header = B_TRUE;
34dc7c2f
BB		 2658 }
2659
2660 if (verbosity >= 5)
b128c09f 2661 dump_indirect(dn);
34dc7c2f
BB		 2662
2663 if (verbosity >= 5) {
2664 /*
2665 * Report the list of segments that comprise the object.
2666 */
2667 uint64_t start = 0;
2668 uint64_t end;
2669 uint64_t blkfill = 1;
2670 int minlvl = 1;
2671
2672 if (dn->dn_type == DMU_OT_DNODE) {
2673 minlvl = 0;
2674 blkfill = DNODES_PER_BLOCK;
2675 }
2676
2677 for (;;) {
428870ff 2678 char segsize[32];
f3c8c9e6
JK		 2679 /* make sure nicenum has enough space */
2680 CTASSERT(sizeof (segsize) >= NN_NUMBUF_SZ);
b128c09f
BB		 2681 error = dnode_next_offset(dn,
2682 0, &start, minlvl, blkfill, 0);
34dc7c2f
BB		 2683 if (error)
2684 break;
2685 end = start;
b128c09f
BB		 2686 error = dnode_next_offset(dn,
2687 DNODE_FIND_HOLE, &end, minlvl, blkfill, 0);
f3c8c9e6 2688 zdb_nicenum(end - start, segsize, sizeof (segsize));
34dc7c2f
BB		 2689 (void) printf("\t\tsegment [%016llx, %016llx)"
2690 " size %5s\n", (u_longlong_t)start,
2691 (u_longlong_t)end, segsize);
2692 if (error)
2693 break;
2694 start = end;
2695 }
2696 }
2697
2698 if (db != NULL)
2699 dmu_buf_rele(db, FTAG);
b5256303
TC		 2700 if (dnode_held)
2701 dnode_rele(dn, FTAG);
34dc7c2f
BB		 2702}
2703
0aa5916a
MA		 2704static void
2705count_dir_mos_objects(dsl_dir_t *dd)
2706{
2707 mos_obj_refd(dd->dd_object);
2708 mos_obj_refd(dsl_dir_phys(dd)->dd_child_dir_zapobj);
2709 mos_obj_refd(dsl_dir_phys(dd)->dd_deleg_zapobj);
2710 mos_obj_refd(dsl_dir_phys(dd)->dd_props_zapobj);
2711 mos_obj_refd(dsl_dir_phys(dd)->dd_clones);
2712
2713 /*
2714 * The dd_crypto_obj can be referenced by multiple dsl_dir's.
2715 * Ignore the references after the first one.
2716 */
2717 mos_obj_refd_multiple(dd->dd_crypto_obj);
2718}
2719
2720static void
2721count_ds_mos_objects(dsl_dataset_t *ds)
2722{
2723 mos_obj_refd(ds->ds_object);
2724 mos_obj_refd(dsl_dataset_phys(ds)->ds_next_clones_obj);
2725 mos_obj_refd(dsl_dataset_phys(ds)->ds_props_obj);
2726 mos_obj_refd(dsl_dataset_phys(ds)->ds_userrefs_obj);
2727 mos_obj_refd(dsl_dataset_phys(ds)->ds_snapnames_zapobj);
30af21b0 2728 mos_obj_refd(ds->ds_bookmarks_obj);
0aa5916a
MA		 2729
2730 if (!dsl_dataset_is_snapshot(ds)) {
2731 count_dir_mos_objects(ds->ds_dir);
2732 }
2733}
2734
867959b5 2735static const char *objset_types[DMU_OST_NUMTYPES] = {
34dc7c2f
BB		 2736 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" };
2737
2738static void
37f03da8 2739dump_objset(objset_t *os)
34dc7c2f 2740{
f0bf4351 2741 dmu_objset_stats_t dds = { 0 };
34dc7c2f
BB		 2742 uint64_t object, object_count;
2743 uint64_t refdbytes, usedobjs, scratch;
428870ff 2744 char numbuf[32];
9babb374 2745 char blkbuf[BP_SPRINTF_LEN + 20];
eca7b760 2746 char osname[ZFS_MAX_DATASET_NAME_LEN];
867959b5 2747 const char *type = "UNKNOWN";
34dc7c2f 2748 int verbosity = dump_opt['d'];
30af21b0 2749 boolean_t print_header;
867959b5
BB		 2750 unsigned i;
2751 int error;
4c5b89f5
OF		 2752 uint64_t total_slots_used = 0;
2753 uint64_t max_slot_used = 0;
2754 uint64_t dnode_slots;
34dc7c2f 2755
f3c8c9e6
JK		 2756 /* make sure nicenum has enough space */
2757 CTASSERT(sizeof (numbuf) >= NN_NUMBUF_SZ);
2758
13fe0198 2759 dsl_pool_config_enter(dmu_objset_pool(os), FTAG);
34dc7c2f 2760 dmu_objset_fast_stat(os, &dds);
13fe0198 2761 dsl_pool_config_exit(dmu_objset_pool(os), FTAG);
34dc7c2f 2762
30af21b0
PD		 2763 print_header = B_TRUE;
2764
34dc7c2f
BB		 2765 if (dds.dds_type < DMU_OST_NUMTYPES)
2766 type = objset_types[dds.dds_type];
2767
2768 if (dds.dds_type == DMU_OST_META) {
2769 dds.dds_creation_txg = TXG_INITIAL;
9b67f605 2770 usedobjs = BP_GET_FILL(os->os_rootbp);
d683ddbb
JG		 2771 refdbytes = dsl_dir_phys(os->os_spa->spa_dsl_pool->dp_mos_dir)->
2772 dd_used_bytes;
34dc7c2f
BB		 2773 } else {
2774 dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch);
2775 }
2776
9b67f605 2777 ASSERT3U(usedobjs, ==, BP_GET_FILL(os->os_rootbp));
34dc7c2f 2778
f3c8c9e6 2779 zdb_nicenum(refdbytes, numbuf, sizeof (numbuf));
34dc7c2f
BB		 2780
2781 if (verbosity >= 4) {
b0bc7a84
MG		 2782 (void) snprintf(blkbuf, sizeof (blkbuf), ", rootbp ");
2783 (void) snprintf_blkptr(blkbuf + strlen(blkbuf),
2784 sizeof (blkbuf) - strlen(blkbuf), os->os_rootbp);
34dc7c2f
BB		 2785 } else {
2786 blkbuf[0] = '\0';
2787 }
2788
2789 dmu_objset_name(os, osname);
2790
2791 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, "
9b2266e3 2792 "%s, %llu objects%s%s\n",
34dc7c2f
BB		 2793 osname, type, (u_longlong_t)dmu_objset_id(os),
2794 (u_longlong_t)dds.dds_creation_txg,
9b2266e3
SD		 2795 numbuf, (u_longlong_t)usedobjs, blkbuf,
2796 (dds.dds_inconsistent) ? " (inconsistent)" : "");
34dc7c2f 2797
34dc7c2f 2798 if (zopt_objects != 0) {
30af21b0 2799 for (i = 0; i < zopt_objects; i++) {
34dc7c2f 2800 dump_object(os, zopt_object[i], verbosity,
4c5b89f5 2801 &print_header, NULL);
30af21b0 2802 }
34dc7c2f
BB		 2803 (void) printf("\n");
2804 return;
2805 }
2806
428870ff
BB		 2807 if (dump_opt['i'] != 0 || verbosity >= 2)
2808 dump_intent_log(dmu_objset_zil(os));
2809
a1d477c2
MA		 2810 if (dmu_objset_ds(os) != NULL) {
2811 dsl_dataset_t *ds = dmu_objset_ds(os);
37f03da8
SH		 2812 dump_blkptr_list(&ds->ds_deadlist, "Deadlist");
2813 if (dsl_deadlist_is_open(&ds->ds_dir->dd_livelist) &&
2814 !dmu_objset_is_snapshot(os)) {
2815 dump_blkptr_list(&ds->ds_dir->dd_livelist, "Livelist");
2816 if (verify_dd_livelist(os) != 0)
2817 fatal("livelist is incorrect");
2818 }
a1d477c2
MA		 2819
2820 if (dsl_dataset_remap_deadlist_exists(ds)) {
2821 (void) printf("ds_remap_deadlist:\n");
37f03da8 2822 dump_blkptr_list(&ds->ds_remap_deadlist, "Deadlist");
a1d477c2 2823 }
0aa5916a 2824 count_ds_mos_objects(ds);
a1d477c2 2825 }
428870ff 2826
30af21b0
PD		 2827 if (dmu_objset_ds(os) != NULL)
2828 dump_bookmarks(os, verbosity);
2829
428870ff
BB		 2830 if (verbosity < 2)
2831 return;
2832
b0bc7a84 2833 if (BP_IS_HOLE(os->os_rootbp))
428870ff
BB		 2834 return;
2835
4c5b89f5 2836 dump_object(os, 0, verbosity, &print_header, NULL);
9babb374 2837 object_count = 0;
572e2857
BB		 2838 if (DMU_USERUSED_DNODE(os) != NULL &&
2839 DMU_USERUSED_DNODE(os)->dn_type != 0) {
4c5b89f5
OF		 2840 dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header,
2841 NULL);
2842 dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header,
2843 NULL);
9babb374 2844 }
34dc7c2f 2845
9c5167d1
NF		 2846 if (DMU_PROJECTUSED_DNODE(os) != NULL &&
2847 DMU_PROJECTUSED_DNODE(os)->dn_type != 0)
2848 dump_object(os, DMU_PROJECTUSED_OBJECT, verbosity,
2849 &print_header, NULL);
2850
34dc7c2f
BB		 2851 object = 0;
2852 while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) {
4c5b89f5 2853 dump_object(os, object, verbosity, &print_header, &dnode_slots);
34dc7c2f 2854 object_count++;
4c5b89f5
OF		 2855 total_slots_used += dnode_slots;
2856 max_slot_used = object + dnode_slots - 1;
34dc7c2f
BB		 2857 }
2858
34dc7c2f
BB		 2859 (void) printf("\n");
2860
4c5b89f5
OF		 2861 (void) printf(" Dnode slots:\n");
2862 (void) printf("\tTotal used: %10llu\n",
2863 (u_longlong_t)total_slots_used);
2864 (void) printf("\tMax used: %10llu\n",
2865 (u_longlong_t)max_slot_used);
2866 (void) printf("\tPercent empty: %10lf\n",
2867 (double)(max_slot_used - total_slots_used)*100 /
2868 (double)max_slot_used);
4c5b89f5
OF		 2869 (void) printf("\n");
2870
9babb374
BB		 2871 if (error != ESRCH) {
2872 (void) fprintf(stderr, "dmu_object_next() = %d\n", error);
2873 abort();
2874 }
e3c85c09
TC		 2875
2876 ASSERT3U(object_count, ==, usedobjs);
2877
64c1dcef
PD		 2878 if (leaked_objects != 0) {
2879 (void) printf("%d potentially leaked objects detected\n",
2880 leaked_objects);
2881 leaked_objects = 0;
2882 }
34dc7c2f
BB		 2883}
2884
2885static void
428870ff 2886dump_uberblock(uberblock_t *ub, const char *header, const char *footer)
34dc7c2f
BB		 2887{
2888 time_t timestamp = ub->ub_timestamp;
2889
0e5b68e0 2890 (void) printf("%s", header ? header : "");
34dc7c2f
BB		 2891 (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic);
2892 (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version);
2893 (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg);
2894 (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum);
2895 (void) printf("\ttimestamp = %llu UTC = %s",
2896 (u_longlong_t)ub->ub_timestamp, asctime(localtime(&timestamp)));
379ca9cf
OF		 2897
2898 (void) printf("\tmmp_magic = %016llx\n",
2899 (u_longlong_t)ub->ub_mmp_magic);
060f0226 2900 if (MMP_VALID(ub)) {
379ca9cf
OF		 2901 (void) printf("\tmmp_delay = %0llu\n",
2902 (u_longlong_t)ub->ub_mmp_delay);
060f0226
OF		 2903 if (MMP_SEQ_VALID(ub))
2904 (void) printf("\tmmp_seq = %u\n",
2905 (unsigned int) MMP_SEQ(ub));
2906 if (MMP_FAIL_INT_VALID(ub))
2907 (void) printf("\tmmp_fail = %u\n",
2908 (unsigned int) MMP_FAIL_INT(ub));
2909 if (MMP_INTERVAL_VALID(ub))
2910 (void) printf("\tmmp_write = %u\n",
2911 (unsigned int) MMP_INTERVAL(ub));
2912 /* After MMP_* to make summarize_uberblock_mmp cleaner */
2913 (void) printf("\tmmp_valid = %x\n",
2914 (unsigned int) ub->ub_mmp_config & 0xFF);
2915 }
379ca9cf 2916
3c9e0d67 2917 if (dump_opt['u'] >= 4) {
34dc7c2f 2918 char blkbuf[BP_SPRINTF_LEN];
b0bc7a84 2919 snprintf_blkptr(blkbuf, sizeof (blkbuf), &ub->ub_rootbp);
34dc7c2f
BB		 2920 (void) printf("\trootbp = %s\n", blkbuf);
2921 }
d2734cce
SD		 2922 (void) printf("\tcheckpoint_txg = %llu\n",
2923 (u_longlong_t)ub->ub_checkpoint_txg);
0e5b68e0 2924 (void) printf("%s", footer ? footer : "");
34dc7c2f
BB		 2925}
2926
2927static void
428870ff 2928dump_config(spa_t *spa)
34dc7c2f 2929{
428870ff
BB		 2930 dmu_buf_t *db;
2931 size_t nvsize = 0;
2932 int error = 0;
34dc7c2f 2933
34dc7c2f 2934
428870ff
BB		 2935 error = dmu_bonus_hold(spa->spa_meta_objset,
2936 spa->spa_config_object, FTAG, &db);
2937
2938 if (error == 0) {
2939 nvsize = *(uint64_t *)db->db_data;
2940 dmu_buf_rele(db, FTAG);
2941
2942 (void) printf("\nMOS Configuration:\n");
2943 dump_packed_nvlist(spa->spa_meta_objset,
2944 spa->spa_config_object, (void *)&nvsize, 1);
2945 } else {
2946 (void) fprintf(stderr, "dmu_bonus_hold(%llu) failed, errno %d",
2947 (u_longlong_t)spa->spa_config_object, error);
2948 }
2949}
2950
2951static void
b128c09f
BB		 2952dump_cachefile(const char *cachefile)
2953{
2954 int fd;
2955 struct stat64 statbuf;
2956 char *buf;
2957 nvlist_t *config;
2958
2959 if ((fd = open64(cachefile, O_RDONLY)) < 0) {
2960 (void) printf("cannot open '%s': %s\n", cachefile,
2961 strerror(errno));
2962 exit(1);
2963 }
2964
2965 if (fstat64(fd, &statbuf) != 0) {
2966 (void) printf("failed to stat '%s': %s\n", cachefile,
2967 strerror(errno));
2968 exit(1);
2969 }
2970
2971 if ((buf = malloc(statbuf.st_size)) == NULL) {
2972 (void) fprintf(stderr, "failed to allocate %llu bytes\n",
2973 (u_longlong_t)statbuf.st_size);
2974 exit(1);
2975 }
2976
2977 if (read(fd, buf, statbuf.st_size) != statbuf.st_size) {
2978 (void) fprintf(stderr, "failed to read %llu bytes\n",
2979 (u_longlong_t)statbuf.st_size);
2980 exit(1);
2981 }
2982
2983 (void) close(fd);
2984
2985 if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) {
2986 (void) fprintf(stderr, "failed to unpack nvlist\n");
2987 exit(1);
2988 }
2989
2990 free(buf);
2991
2992 dump_nvlist(config, 0);
2993
2994 nvlist_free(config);
2995}
2996
96f1b347
DB		 2997/*
2998 * ZFS label nvlist stats
2999 */
3000typedef struct zdb_nvl_stats {
3001 int zns_list_count;
3002 int zns_leaf_count;
3003 size_t zns_leaf_largest;
3004 size_t zns_leaf_total;
3005 nvlist_t *zns_string;
3006 nvlist_t *zns_uint64;
3007 nvlist_t *zns_boolean;
3008} zdb_nvl_stats_t;
3009
3010static void
3011collect_nvlist_stats(nvlist_t *nvl, zdb_nvl_stats_t *stats)
3012{
3013 nvlist_t *list, **array;
3014 nvpair_t *nvp = NULL;
3015 char *name;
3016 uint_t i, items;
3017
3018 stats->zns_list_count++;
3019
3020 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
3021 name = nvpair_name(nvp);
3022
3023 switch (nvpair_type(nvp)) {
3024 case DATA_TYPE_STRING:
3025 fnvlist_add_string(stats->zns_string, name,
3026 fnvpair_value_string(nvp));
3027 break;
3028 case DATA_TYPE_UINT64:
3029 fnvlist_add_uint64(stats->zns_uint64, name,
3030 fnvpair_value_uint64(nvp));
3031 break;
3032 case DATA_TYPE_BOOLEAN:
3033 fnvlist_add_boolean(stats->zns_boolean, name);
3034 break;
3035 case DATA_TYPE_NVLIST:
3036 if (nvpair_value_nvlist(nvp, &list) == 0)
3037 collect_nvlist_stats(list, stats);
3038 break;
3039 case DATA_TYPE_NVLIST_ARRAY:
3040 if (nvpair_value_nvlist_array(nvp, &array, &items) != 0)
3041 break;
3042
3043 for (i = 0; i < items; i++) {
3044 collect_nvlist_stats(array[i], stats);
3045
3046 /* collect stats on leaf vdev */
3047 if (strcmp(name, "children") == 0) {
3048 size_t size;
3049
3050 (void) nvlist_size(array[i], &size,
3051 NV_ENCODE_XDR);
3052 stats->zns_leaf_total += size;
3053 if (size > stats->zns_leaf_largest)
3054 stats->zns_leaf_largest = size;
3055 stats->zns_leaf_count++;
3056 }
3057 }
3058 break;
3059 default:
3060 (void) printf("skip type %d!\n", (int)nvpair_type(nvp));
3061 }
3062 }
3063}
3064
3065static void
3066dump_nvlist_stats(nvlist_t *nvl, size_t cap)
3067{
3068 zdb_nvl_stats_t stats = { 0 };
3069 size_t size, sum = 0, total;
cd5083c0 3070 size_t noise;
96f1b347
DB		 3071
3072 /* requires nvlist with non-unique names for stat collection */
3073 VERIFY0(nvlist_alloc(&stats.zns_string, 0, 0));
3074 VERIFY0(nvlist_alloc(&stats.zns_uint64, 0, 0));
3075 VERIFY0(nvlist_alloc(&stats.zns_boolean, 0, 0));
3076 VERIFY0(nvlist_size(stats.zns_boolean, &noise, NV_ENCODE_XDR));
3077
3078 (void) printf("\n\nZFS Label NVList Config Stats:\n");
3079
3080 VERIFY0(nvlist_size(nvl, &total, NV_ENCODE_XDR));
3081 (void) printf(" %d bytes used, %d bytes free (using %4.1f%%)\n\n",
3082 (int)total, (int)(cap - total), 100.0 * total / cap);
3083
3084 collect_nvlist_stats(nvl, &stats);
3085
3086 VERIFY0(nvlist_size(stats.zns_uint64, &size, NV_ENCODE_XDR));
3087 size -= noise;
3088 sum += size;
3089 (void) printf("%12s %4d %6d bytes (%5.2f%%)\n", "integers:",
3090 (int)fnvlist_num_pairs(stats.zns_uint64),
3091 (int)size, 100.0 * size / total);
3092
3093 VERIFY0(nvlist_size(stats.zns_string, &size, NV_ENCODE_XDR));
3094 size -= noise;
3095 sum += size;
3096 (void) printf("%12s %4d %6d bytes (%5.2f%%)\n", "strings:",
3097 (int)fnvlist_num_pairs(stats.zns_string),
3098 (int)size, 100.0 * size / total);
3099
3100 VERIFY0(nvlist_size(stats.zns_boolean, &size, NV_ENCODE_XDR));
3101 size -= noise;
3102 sum += size;
3103 (void) printf("%12s %4d %6d bytes (%5.2f%%)\n", "booleans:",
3104 (int)fnvlist_num_pairs(stats.zns_boolean),
3105 (int)size, 100.0 * size / total);
3106
3107 size = total - sum; /* treat remainder as nvlist overhead */
3108 (void) printf("%12s %4d %6d bytes (%5.2f%%)\n\n", "nvlists:",
3109 stats.zns_list_count, (int)size, 100.0 * size / total);
3110
cd5083c0
DB		 3111 if (stats.zns_leaf_count > 0) {
3112 size_t average = stats.zns_leaf_total / stats.zns_leaf_count;
96f1b347 3113
cd5083c0
DB		 3114 (void) printf("%12s %4d %6d bytes average\n", "leaf vdevs:",
3115 stats.zns_leaf_count, (int)average);
3116 (void) printf("%24d bytes largest\n",
3117 (int)stats.zns_leaf_largest);
96f1b347 3118
cd5083c0
DB		 3119 if (dump_opt['l'] >= 3 && average > 0)
3120 (void) printf(" space for %d additional leaf vdevs\n",
3121 (int)((cap - total) / average));
3122 }
96f1b347
DB		 3123 (void) printf("\n");
3124
3125 nvlist_free(stats.zns_string);
3126 nvlist_free(stats.zns_uint64);
3127 nvlist_free(stats.zns_boolean);
3128}
3129
3c9e0d67
OF		 3130typedef struct cksum_record {
3131 zio_cksum_t cksum;
3132 boolean_t labels[VDEV_LABELS];
3133 avl_node_t link;
3134} cksum_record_t;
3135
35a357a9 3136static int
3c9e0d67 3137cksum_record_compare(const void *x1, const void *x2)
34dc7c2f 3138{
3c9e0d67
OF		 3139 const cksum_record_t *l = (cksum_record_t *)x1;
3140 const cksum_record_t *r = (cksum_record_t *)x2;
3141 int arraysize = ARRAY_SIZE(l->cksum.zc_word);
3142 int difference;
3143
3144 for (int i = 0; i < arraysize; i++) {
ca577779 3145 difference = TREE_CMP(l->cksum.zc_word[i], r->cksum.zc_word[i]);
3c9e0d67
OF		 3146 if (difference)
3147 break;
3148 }
3149
3150 return (difference);
3151}
3152
3153static cksum_record_t *
3154cksum_record_alloc(zio_cksum_t *cksum, int l)
3155{
3156 cksum_record_t *rec;
3157
3158 rec = umem_zalloc(sizeof (*rec), UMEM_NOFAIL);
3159 rec->cksum = *cksum;
3160 rec->labels[l] = B_TRUE;
3161
3162 return (rec);
3163}
3164
3165static cksum_record_t *
3166cksum_record_lookup(avl_tree_t *tree, zio_cksum_t *cksum)
3167{
3168 cksum_record_t lookup = { .cksum = *cksum };
3169 avl_index_t where;
3170
3171 return (avl_find(tree, &lookup, &where));
3172}
3173
3174static cksum_record_t *
3175cksum_record_insert(avl_tree_t *tree, zio_cksum_t *cksum, int l)
3176{
3177 cksum_record_t *rec;
3178
3179 rec = cksum_record_lookup(tree, cksum);
3180 if (rec) {
3181 rec->labels[l] = B_TRUE;
3182 } else {
3183 rec = cksum_record_alloc(cksum, l);
3184 avl_add(tree, rec);
3185 }
3186
3187 return (rec);
3188}
3189
3190static int
3191first_label(cksum_record_t *rec)
3192{
3193 for (int i = 0; i < VDEV_LABELS; i++)
3194 if (rec->labels[i])
3195 return (i);
3196
3197 return (-1);
3198}
3199
3200static void
3201print_label_numbers(char *prefix, cksum_record_t *rec)
3202{
3203 printf("%s", prefix);
3204 for (int i = 0; i < VDEV_LABELS; i++)
3205 if (rec->labels[i] == B_TRUE)
3206 printf("%d ", i);
3207 printf("\n");
3208}
3209
3210#define MAX_UBERBLOCK_COUNT (VDEV_UBERBLOCK_RING >> UBERBLOCK_SHIFT)
3211
cf89a4ec 3212typedef struct zdb_label {
34dc7c2f 3213 vdev_label_t label;
3c9e0d67
OF		 3214 nvlist_t *config_nv;
3215 cksum_record_t *config;
3216 cksum_record_t *uberblocks[MAX_UBERBLOCK_COUNT];
3217 boolean_t header_printed;
3218 boolean_t read_failed;
cf89a4ec 3219} zdb_label_t;
3c9e0d67
OF		 3220
3221static void
cf89a4ec 3222print_label_header(zdb_label_t *label, int l)
3c9e0d67
OF		 3223{
3224
3225 if (dump_opt['q'])
3226 return;
3227
3228 if (label->header_printed == B_TRUE)
3229 return;
3230
3231 (void) printf("------------------------------------\n");
3232 (void) printf("LABEL %d\n", l);
3233 (void) printf("------------------------------------\n");
3234
3235 label->header_printed = B_TRUE;
3236}
3237
3238static void
cf89a4ec 3239dump_config_from_label(zdb_label_t *label, size_t buflen, int l)
3c9e0d67
OF		 3240{
3241 if (dump_opt['q'])
3242 return;
3243
3244 if ((dump_opt['l'] < 3) && (first_label(label->config) != l))
3245 return;
3246
3247 print_label_header(label, l);
3248 dump_nvlist(label->config_nv, 4);
3249 print_label_numbers(" labels = ", label->config);
3250
3251 if (dump_opt['l'] >= 2)
3252 dump_nvlist_stats(label->config_nv, buflen);
3253}
3254
3255#define ZDB_MAX_UB_HEADER_SIZE 32
3256
3257static void
cf89a4ec 3258dump_label_uberblocks(zdb_label_t *label, uint64_t ashift, int label_num)
3c9e0d67
OF		 3259{
3260
3261 vdev_t vd;
3262 char header[ZDB_MAX_UB_HEADER_SIZE];
3263
3264 vd.vdev_ashift = ashift;
3265 vd.vdev_top = &vd;
3266
3267 for (int i = 0; i < VDEV_UBERBLOCK_COUNT(&vd); i++) {
3268 uint64_t uoff = VDEV_UBERBLOCK_OFFSET(&vd, i);
3269 uberblock_t *ub = (void *)((char *)&label->label + uoff);
3270 cksum_record_t *rec = label->uberblocks[i];
3271
3272 if (rec == NULL) {
3273 if (dump_opt['u'] >= 2) {
3274 print_label_header(label, label_num);
3275 (void) printf(" Uberblock[%d] invalid\n", i);
3276 }
3277 continue;
3278 }
3279
3280 if ((dump_opt['u'] < 3) && (first_label(rec) != label_num))
3281 continue;
3282
379ca9cf
OF		 3283 if ((dump_opt['u'] < 4) &&
3284 (ub->ub_mmp_magic == MMP_MAGIC) && ub->ub_mmp_delay &&
3285 (i >= VDEV_UBERBLOCK_COUNT(&vd) - MMP_BLOCKS_PER_LABEL))
3286 continue;
3287
3c9e0d67
OF		 3288 print_label_header(label, label_num);
3289 (void) snprintf(header, ZDB_MAX_UB_HEADER_SIZE,
3290 " Uberblock[%d]\n", i);
3291 dump_uberblock(ub, header, "");
3292 print_label_numbers(" labels = ", rec);
3293 }
3294}
3295
a44e7faa
BB		 3296static char curpath[PATH_MAX];
3297
3298/*
3299 * Iterate through the path components, recursively passing
3300 * current one's obj and remaining path until we find the obj
3301 * for the last one.
3302 */
3303static int
3304dump_path_impl(objset_t *os, uint64_t obj, char *name)
3305{
3306 int err;
30af21b0 3307 boolean_t header = B_TRUE;
a44e7faa
BB		 3308 uint64_t child_obj;
3309 char *s;
3310 dmu_buf_t *db;
3311 dmu_object_info_t doi;
3312
3313 if ((s = strchr(name, '/')) != NULL)
3314 *s = '\0';
3315 err = zap_lookup(os, obj, name, 8, 1, &child_obj);
3316
3317 (void) strlcat(curpath, name, sizeof (curpath));
3318
3319 if (err != 0) {
3320 (void) fprintf(stderr, "failed to lookup %s: %s\n",
3321 curpath, strerror(err));
3322 return (err);
3323 }
3324
3325 child_obj = ZFS_DIRENT_OBJ(child_obj);
3326 err = sa_buf_hold(os, child_obj, FTAG, &db);
3327 if (err != 0) {
3328 (void) fprintf(stderr,
3329 "failed to get SA dbuf for obj %llu: %s\n",
3330 (u_longlong_t)child_obj, strerror(err));
3331 return (EINVAL);
3332 }
3333 dmu_object_info_from_db(db, &doi);
3334 sa_buf_rele(db, FTAG);
3335
3336 if (doi.doi_bonus_type != DMU_OT_SA &&
3337 doi.doi_bonus_type != DMU_OT_ZNODE) {
3338 (void) fprintf(stderr, "invalid bonus type %d for obj %llu\n",
3339 doi.doi_bonus_type, (u_longlong_t)child_obj);
3340 return (EINVAL);
3341 }
3342
3343 if (dump_opt['v'] > 6) {
3344 (void) printf("obj=%llu %s type=%d bonustype=%d\n",
3345 (u_longlong_t)child_obj, curpath, doi.doi_type,
3346 doi.doi_bonus_type);
3347 }
3348
3349 (void) strlcat(curpath, "/", sizeof (curpath));
3350
3351 switch (doi.doi_type) {
3352 case DMU_OT_DIRECTORY_CONTENTS:
3353 if (s != NULL && *(s + 1) != '\0')
3354 return (dump_path_impl(os, child_obj, s + 1));
3355 /*FALLTHROUGH*/
3356 case DMU_OT_PLAIN_FILE_CONTENTS:
4c5b89f5 3357 dump_object(os, child_obj, dump_opt['v'], &header, NULL);
a44e7faa
BB		 3358 return (0);
3359 default:
3360 (void) fprintf(stderr, "object %llu has non-file/directory "
3361 "type %d\n", (u_longlong_t)obj, doi.doi_type);
3362 break;
3363 }
3364
3365 return (EINVAL);
3366}
3367
3368/*
3369 * Dump the blocks for the object specified by path inside the dataset.
3370 */
3371static int
3372dump_path(char *ds, char *path)
3373{
3374 int err;
3375 objset_t *os;
3376 uint64_t root_obj;
3377
30af21b0 3378 err = open_objset(ds, FTAG, &os);
a44e7faa
BB		 3379 if (err != 0)
3380 return (err);
3381
3382 err = zap_lookup(os, MASTER_NODE_OBJ, ZFS_ROOT_OBJ, 8, 1, &root_obj);
3383 if (err != 0) {
3384 (void) fprintf(stderr, "can't lookup root znode: %s\n",
3385 strerror(err));
30af21b0 3386 close_objset(os, FTAG);
a44e7faa
BB		 3387 return (EINVAL);
3388 }
3389
3390 (void) snprintf(curpath, sizeof (curpath), "dataset=%s path=/", ds);
3391
3392 err = dump_path_impl(os, root_obj, path);
3393
3394 close_objset(os, FTAG);
3395 return (err);
3396}
3397
3c9e0d67
OF		 3398static int
3399dump_label(const char *dev)
3400{
35a357a9 3401 char path[MAXPATHLEN];
cf89a4ec 3402 zdb_label_t labels[VDEV_LABELS];
428870ff 3403 uint64_t psize, ashift;
3c9e0d67
OF		 3404 struct stat64 statbuf;
3405 boolean_t config_found = B_FALSE;
3406 boolean_t error = B_FALSE;
3407 avl_tree_t config_tree;
3408 avl_tree_t uberblock_tree;
3409 void *node, *cookie;
3410 int fd;
3411
3412 bzero(labels, sizeof (labels));
34dc7c2f 3413
dbb38f66
YP		 3414 /*
3415 * Check if we were given absolute path and use it as is.
3416 * Otherwise if the provided vdev name doesn't point to a file,
3417 * try prepending expected disk paths and partition numbers.
3418 */
35a357a9 3419 (void) strlcpy(path, dev, sizeof (path));
dbb38f66
YP		 3420 if (dev[0] != '/' && stat64(path, &statbuf) != 0) {
3421 int error;
3422
3423 error = zfs_resolve_shortname(dev, path, MAXPATHLEN);
3424 if (error == 0 && zfs_dev_is_whole_disk(path)) {
3425 if (zfs_append_partition(path, MAXPATHLEN) == -1)
3426 error = ENOENT;
3427 }
3428
3429 if (error || (stat64(path, &statbuf) != 0)) {
3430 (void) printf("failed to find device %s, try "
3431 "specifying absolute path instead\n", dev);
3432 return (1);
3433 }
3434 }
428870ff
BB		 3435
3436 if ((fd = open64(path, O_RDONLY)) < 0) {
3437 (void) printf("cannot open '%s': %s\n", path, strerror(errno));
34dc7c2f
BB		 3438 exit(1);
3439 }
3440
8d4e8140 3441 if (fstat64_blk(fd, &statbuf) != 0) {
428870ff 3442 (void) printf("failed to stat '%s': %s\n", path,
34dc7c2f 3443 strerror(errno));
428870ff
BB		 3444 (void) close(fd);
3445 exit(1);
3446 }
3447
d46f0deb 3448 if (S_ISBLK(statbuf.st_mode) && zfs_dev_flush(fd) != 0)
c30e34fa 3449 (void) printf("failed to invalidate cache '%s' : %s\n", path,
3450 strerror(errno));
3451
3c9e0d67
OF		 3452 avl_create(&config_tree, cksum_record_compare,
3453 sizeof (cksum_record_t), offsetof(cksum_record_t, link));
3454 avl_create(&uberblock_tree, cksum_record_compare,
3455 sizeof (cksum_record_t), offsetof(cksum_record_t, link));
3456
34dc7c2f
BB		 3457 psize = statbuf.st_size;
3458 psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t));
3c9e0d67 3459 ashift = SPA_MINBLOCKSHIFT;
34dc7c2f 3460
3c9e0d67
OF		 3461 /*
3462 * 1. Read the label from disk
3463 * 2. Unpack the configuration and insert in config tree.
3464 * 3. Traverse all uberblocks and insert in uberblock tree.
3465 */
3466 for (int l = 0; l < VDEV_LABELS; l++) {
cf89a4ec 3467 zdb_label_t *label = &labels[l];
3c9e0d67
OF		 3468 char *buf = label->label.vl_vdev_phys.vp_nvlist;
3469 size_t buflen = sizeof (label->label.vl_vdev_phys.vp_nvlist);
3470 nvlist_t *config;
3471 cksum_record_t *rec;
3472 zio_cksum_t cksum;
3473 vdev_t vd;
3474
3475 if (pread64(fd, &label->label, sizeof (label->label),
3476 vdev_label_offset(psize, l, 0)) != sizeof (label->label)) {
35a357a9
DB		 3477 if (!dump_opt['q'])
3478 (void) printf("failed to read label %d\n", l);
3c9e0d67
OF		 3479 label->read_failed = B_TRUE;
3480 error = B_TRUE;
34dc7c2f
BB		 3481 continue;
3482 }
3483
3c9e0d67
OF		 3484 label->read_failed = B_FALSE;
3485
3486 if (nvlist_unpack(buf, buflen, &config, 0) == 0) {
428870ff 3487 nvlist_t *vdev_tree = NULL;
3c9e0d67 3488 size_t size;
428870ff 3489
428870ff
BB		 3490 if ((nvlist_lookup_nvlist(config,
3491 ZPOOL_CONFIG_VDEV_TREE, &vdev_tree) != 0) ||
3492 (nvlist_lookup_uint64(vdev_tree,
3493 ZPOOL_CONFIG_ASHIFT, &ashift) != 0))
3494 ashift = SPA_MINBLOCKSHIFT;
3c9e0d67
OF		 3495
3496 if (nvlist_size(config, &size, NV_ENCODE_XDR) != 0)
3497 size = buflen;
3498
3499 fletcher_4_native_varsize(buf, size, &cksum);
3500 rec = cksum_record_insert(&config_tree, &cksum, l);
3501
3502 label->config = rec;
3503 label->config_nv = config;
3504 config_found = B_TRUE;
3505 } else {
3506 error = B_TRUE;
34dc7c2f 3507 }
3c9e0d67
OF		 3508
3509 vd.vdev_ashift = ashift;
3510 vd.vdev_top = &vd;
3511
3512 for (int i = 0; i < VDEV_UBERBLOCK_COUNT(&vd); i++) {
3513 uint64_t uoff = VDEV_UBERBLOCK_OFFSET(&vd, i);
3514 uberblock_t *ub = (void *)((char *)label + uoff);
3515
3516 if (uberblock_verify(ub))
3517 continue;
3518
3519 fletcher_4_native_varsize(ub, sizeof (*ub), &cksum);
3520 rec = cksum_record_insert(&uberblock_tree, &cksum, l);
3521
3522 label->uberblocks[i] = rec;
3523 }
3524 }
3525
3526 /*
3527 * Dump the label and uberblocks.
3528 */
3529 for (int l = 0; l < VDEV_LABELS; l++) {
cf89a4ec 3530 zdb_label_t *label = &labels[l];
3c9e0d67
OF		 3531 size_t buflen = sizeof (label->label.vl_vdev_phys.vp_nvlist);
3532
3533 if (label->read_failed == B_TRUE)
3534 continue;
3535
3536 if (label->config_nv) {
3537 dump_config_from_label(label, buflen, l);
3538 } else {
3539 if (!dump_opt['q'])
3540 (void) printf("failed to unpack label %d\n", l);
3541 }
3542
428870ff 3543 if (dump_opt['u'])
3c9e0d67
OF		 3544 dump_label_uberblocks(label, ashift, l);
3545
3546 nvlist_free(label->config_nv);
34dc7c2f 3547 }
428870ff 3548
3c9e0d67
OF		 3549 cookie = NULL;
3550 while ((node = avl_destroy_nodes(&config_tree, &cookie)) != NULL)
3551 umem_free(node, sizeof (cksum_record_t));
3552
3553 cookie = NULL;
3554 while ((node = avl_destroy_nodes(&uberblock_tree, &cookie)) != NULL)
3555 umem_free(node, sizeof (cksum_record_t));
3556
3557 avl_destroy(&config_tree);
3558 avl_destroy(&uberblock_tree);
3559
428870ff 3560 (void) close(fd);
35a357a9 3561
3c9e0d67
OF		 3562 return (config_found == B_FALSE ? 2 :
3563 (error == B_TRUE ? 1 : 0));
34dc7c2f
BB		 3564}
3565
241b5415 3566static uint64_t dataset_feature_count[SPA_FEATURES];
30af21b0 3567static uint64_t global_feature_count[SPA_FEATURES];
a1d477c2 3568static uint64_t remap_deadlist_count = 0;
f1512ee6 3569
34dc7c2f
BB		 3570/*ARGSUSED*/
3571static int
37f03da8 3572dump_one_objset(const char *dsname, void *arg)
34dc7c2f
BB		 3573{
3574 int error;
3575 objset_t *os;
241b5415 3576 spa_feature_t f;
34dc7c2f 3577
30af21b0 3578 error = open_objset(dsname, FTAG, &os);
a44e7faa 3579 if (error != 0)
34dc7c2f 3580 return (0);
241b5415
MA		 3581
3582 for (f = 0; f < SPA_FEATURES; f++) {
d52d80b7 3583 if (!dsl_dataset_feature_is_active(dmu_objset_ds(os), f))
241b5415
MA		 3584 continue;
3585 ASSERT(spa_feature_table[f].fi_flags &
3586 ZFEATURE_FLAG_PER_DATASET);
3587 dataset_feature_count[f]++;
3588 }
3589
a1d477c2
MA		 3590 if (dsl_dataset_remap_deadlist_exists(dmu_objset_ds(os))) {
3591 remap_deadlist_count++;
3592 }
3593
30af21b0
PD		 3594 for (dsl_bookmark_node_t *dbn =
3595 avl_first(&dmu_objset_ds(os)->ds_bookmarks); dbn != NULL;
3596 dbn = AVL_NEXT(&dmu_objset_ds(os)->ds_bookmarks, dbn)) {
3597 mos_obj_refd(dbn->dbn_phys.zbm_redaction_obj);
3598 if (dbn->dbn_phys.zbm_redaction_obj != 0)
3599 global_feature_count[SPA_FEATURE_REDACTION_BOOKMARKS]++;
3600 if (dbn->dbn_phys.zbm_flags & ZBM_FLAG_HAS_FBN)
3601 global_feature_count[SPA_FEATURE_BOOKMARK_WRITTEN]++;
3602 }
3603
37f03da8
SH		 3604 if (dsl_deadlist_is_open(&dmu_objset_ds(os)->ds_dir->dd_livelist) &&
3605 !dmu_objset_is_snapshot(os)) {
3606 global_feature_count[SPA_FEATURE_LIVELIST]++;
3607 }
3608
3609 dump_objset(os);
a44e7faa 3610 close_objset(os, FTAG);
34dc7c2f
BB		 3611 fuid_table_destroy();
3612 return (0);
3613}
3614
34dc7c2f 3615/*
428870ff 3616 * Block statistics.
34dc7c2f 3617 */
f1512ee6 3618#define PSIZE_HISTO_SIZE (SPA_OLD_MAXBLOCKSIZE / SPA_MINBLOCKSIZE + 2)
34dc7c2f 3619typedef struct zdb_blkstats {
d5869641
MA		 3620 uint64_t zb_asize;
3621 uint64_t zb_lsize;
3622 uint64_t zb_psize;
3623 uint64_t zb_count;
83017311
MA		 3624 uint64_t zb_gangs;
3625 uint64_t zb_ditto_samevdev;
cc99f275 3626 uint64_t zb_ditto_same_ms;
d5869641 3627 uint64_t zb_psize_histogram[PSIZE_HISTO_SIZE];
34dc7c2f
BB		 3628} zdb_blkstats_t;
3629
428870ff
BB		 3630/*
3631 * Extended object types to report deferred frees and dedup auto-ditto blocks.
3632 */
3633#define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0)
3634#define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1)
9ae529ec
CS		 3635#define ZDB_OT_OTHER (DMU_OT_NUMTYPES + 2)
3636#define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 3)
428870ff 3637
867959b5 3638static const char *zdb_ot_extname[] = {
428870ff
BB		 3639 "deferred free",
3640 "dedup ditto",
9ae529ec 3641 "other",
428870ff
BB		 3642 "Total",
3643};
34dc7c2f 3644
b128c09f 3645#define ZB_TOTAL DN_MAX_LEVELS
34dc7c2f
BB		 3646
3647typedef struct zdb_cb {
428870ff 3648 zdb_blkstats_t zcb_type[ZB_TOTAL + 1][ZDB_OT_TOTAL + 1];
a1d477c2 3649 uint64_t zcb_removing_size;
d2734cce 3650 uint64_t zcb_checkpoint_size;
428870ff
BB		 3651 uint64_t zcb_dedup_asize;
3652 uint64_t zcb_dedup_blocks;
9b67f605
MA		 3653 uint64_t zcb_embedded_blocks[NUM_BP_EMBEDDED_TYPES];
3654 uint64_t zcb_embedded_histogram[NUM_BP_EMBEDDED_TYPES]
f0c26069 3655 [BPE_PAYLOAD_SIZE + 1];
d5869641 3656 uint64_t zcb_start;
867959b5 3657 hrtime_t zcb_lastprint;
d5869641 3658 uint64_t zcb_totalasize;
34dc7c2f 3659 uint64_t zcb_errors[256];
34dc7c2f
BB		 3660 int zcb_readfails;
3661 int zcb_haderrors;
428870ff 3662 spa_t *zcb_spa;
a1d477c2 3663 uint32_t **zcb_vd_obsolete_counts;
34dc7c2f
BB		 3664} zdb_cb_t;
3665
cc99f275
DB		 3666/* test if two DVA offsets from same vdev are within the same metaslab */
3667static boolean_t
3668same_metaslab(spa_t *spa, uint64_t vdev, uint64_t off1, uint64_t off2)
3669{
3670 vdev_t *vd = vdev_lookup_top(spa, vdev);
3671 uint64_t ms_shift = vd->vdev_ms_shift;
3672
3673 return ((off1 >> ms_shift) == (off2 >> ms_shift));
3674}
3675
34dc7c2f 3676static void
428870ff
BB		 3677zdb_count_block(zdb_cb_t *zcb, zilog_t *zilog, const blkptr_t *bp,
3678 dmu_object_type_t type)
34dc7c2f 3679{
428870ff 3680 uint64_t refcnt = 0;
d6320ddb 3681 int i;
428870ff
BB		 3682
3683 ASSERT(type < ZDB_OT_TOTAL);
3684
3685 if (zilog && zil_bp_tree_add(zilog, bp) != 0)
3686 return;
3687
cc99f275
DB		 3688 spa_config_enter(zcb->zcb_spa, SCL_CONFIG, FTAG, RW_READER);
3689
d6320ddb 3690 for (i = 0; i < 4; i++) {
34dc7c2f 3691 int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL;
428870ff 3692 int t = (i & 1) ? type : ZDB_OT_TOTAL;
83017311 3693 int equal;
34dc7c2f
BB		 3694 zdb_blkstats_t *zb = &zcb->zcb_type[l][t];
3695
3696 zb->zb_asize += BP_GET_ASIZE(bp);
3697 zb->zb_lsize += BP_GET_LSIZE(bp);
3698 zb->zb_psize += BP_GET_PSIZE(bp);
3699 zb->zb_count++;
f1512ee6
MA		 3700
3701 /*
3702 * The histogram is only big enough to record blocks up to
3703 * SPA_OLD_MAXBLOCKSIZE; larger blocks go into the last,
3704 * "other", bucket.
3705 */
867959b5 3706 unsigned idx = BP_GET_PSIZE(bp) >> SPA_MINBLOCKSHIFT;
f1512ee6
MA		 3707 idx = MIN(idx, SPA_OLD_MAXBLOCKSIZE / SPA_MINBLOCKSIZE + 1);
3708 zb->zb_psize_histogram[idx]++;
83017311
MA		 3709
3710 zb->zb_gangs += BP_COUNT_GANG(bp);
3711
3712 switch (BP_GET_NDVAS(bp)) {
3713 case 2:
3714 if (DVA_GET_VDEV(&bp->blk_dva[0]) ==
cc99f275 3715 DVA_GET_VDEV(&bp->blk_dva[1])) {
83017311 3716 zb->zb_ditto_samevdev++;
cc99f275
DB		 3717
3718 if (same_metaslab(zcb->zcb_spa,
3719 DVA_GET_VDEV(&bp->blk_dva[0]),
3720 DVA_GET_OFFSET(&bp->blk_dva[0]),
3721 DVA_GET_OFFSET(&bp->blk_dva[1])))
3722 zb->zb_ditto_same_ms++;
3723 }
83017311
MA		 3724 break;
3725 case 3:
3726 equal = (DVA_GET_VDEV(&bp->blk_dva[0]) ==
3727 DVA_GET_VDEV(&bp->blk_dva[1])) +
3728 (DVA_GET_VDEV(&bp->blk_dva[0]) ==
3729 DVA_GET_VDEV(&bp->blk_dva[2])) +
3730 (DVA_GET_VDEV(&bp->blk_dva[1]) ==
3731 DVA_GET_VDEV(&bp->blk_dva[2]));
cc99f275 3732 if (equal != 0) {
83017311 3733 zb->zb_ditto_samevdev++;
cc99f275
DB		 3734
3735 if (DVA_GET_VDEV(&bp->blk_dva[0]) ==
3736 DVA_GET_VDEV(&bp->blk_dva[1]) &&
3737 same_metaslab(zcb->zcb_spa,
3738 DVA_GET_VDEV(&bp->blk_dva[0]),
3739 DVA_GET_OFFSET(&bp->blk_dva[0]),
3740 DVA_GET_OFFSET(&bp->blk_dva[1])))
3741 zb->zb_ditto_same_ms++;
3742 else if (DVA_GET_VDEV(&bp->blk_dva[0]) ==
3743 DVA_GET_VDEV(&bp->blk_dva[2]) &&
3744 same_metaslab(zcb->zcb_spa,
3745 DVA_GET_VDEV(&bp->blk_dva[0]),
3746 DVA_GET_OFFSET(&bp->blk_dva[0]),
3747 DVA_GET_OFFSET(&bp->blk_dva[2])))
3748 zb->zb_ditto_same_ms++;
3749 else if (DVA_GET_VDEV(&bp->blk_dva[1]) ==
3750 DVA_GET_VDEV(&bp->blk_dva[2]) &&
3751 same_metaslab(zcb->zcb_spa,
3752 DVA_GET_VDEV(&bp->blk_dva[1]),
3753 DVA_GET_OFFSET(&bp->blk_dva[1]),
3754 DVA_GET_OFFSET(&bp->blk_dva[2])))
3755 zb->zb_ditto_same_ms++;
3756 }
83017311
MA		 3757 break;
3758 }
34dc7c2f
BB		 3759 }
3760
cc99f275
DB		 3761 spa_config_exit(zcb->zcb_spa, SCL_CONFIG, FTAG);
3762
9b67f605
MA		 3763 if (BP_IS_EMBEDDED(bp)) {
3764 zcb->zcb_embedded_blocks[BPE_GET_ETYPE(bp)]++;
3765 zcb->zcb_embedded_histogram[BPE_GET_ETYPE(bp)]
3766 [BPE_GET_PSIZE(bp)]++;
3767 return;
3768 }
3769
428870ff
BB		 3770 if (dump_opt['L'])
3771 return;
3772
3773 if (BP_GET_DEDUP(bp)) {
3774 ddt_t *ddt;
3775 ddt_entry_t *dde;
3776
3777 ddt = ddt_select(zcb->zcb_spa, bp);
3778 ddt_enter(ddt);
3779 dde = ddt_lookup(ddt, bp, B_FALSE);
3780
3781 if (dde == NULL) {
3782 refcnt = 0;
3783 } else {
3784 ddt_phys_t *ddp = ddt_phys_select(dde, bp);
3785 ddt_phys_decref(ddp);
3786 refcnt = ddp->ddp_refcnt;
3787 if (ddt_phys_total_refcnt(dde) == 0)
3788 ddt_remove(ddt, dde);
34dc7c2f 3789 }
428870ff 3790 ddt_exit(ddt);
34dc7c2f
BB		 3791 }
3792
428870ff 3793 VERIFY3U(zio_wait(zio_claim(NULL, zcb->zcb_spa,
d2734cce 3794 refcnt ? 0 : spa_min_claim_txg(zcb->zcb_spa),
428870ff 3795 bp, NULL, NULL, ZIO_FLAG_CANFAIL)), ==, 0);
34dc7c2f
BB		 3796}
3797
5853fe79
GW		 3798static void
3799zdb_blkptr_done(zio_t *zio)
3800{
3801 spa_t *spa = zio->io_spa;
3802 blkptr_t *bp = zio->io_bp;
3803 int ioerr = zio->io_error;
3804 zdb_cb_t *zcb = zio->io_private;
5dbd68a3 3805 zbookmark_phys_t *zb = &zio->io_bookmark;
5853fe79 3806
a6255b7f 3807 abd_free(zio->io_abd);
5853fe79
GW		 3808
3809 mutex_enter(&spa->spa_scrub_lock);
c8242a96 3810 spa->spa_load_verify_bytes -= BP_GET_PSIZE(bp);
5853fe79
GW		 3811 cv_broadcast(&spa->spa_scrub_io_cv);
3812
3813 if (ioerr && !(zio->io_flags & ZIO_FLAG_SPECULATIVE)) {
3814 char blkbuf[BP_SPRINTF_LEN];
3815
3816 zcb->zcb_haderrors = 1;
3817 zcb->zcb_errors[ioerr]++;
3818
3819 if (dump_opt['b'] >= 2)
b0bc7a84 3820 snprintf_blkptr(blkbuf, sizeof (blkbuf), bp);
5853fe79
GW		 3821 else
3822 blkbuf[0] = '\0';
3823
3824 (void) printf("zdb_blkptr_cb: "
3825 "Got error %d reading "
3826 "<%llu, %llu, %lld, %llx> %s -- skipping\n",
3827 ioerr,
3828 (u_longlong_t)zb->zb_objset,
3829 (u_longlong_t)zb->zb_object,
3830 (u_longlong_t)zb->zb_level,
3831 (u_longlong_t)zb->zb_blkid,
3832 blkbuf);
3833 }
3834 mutex_exit(&spa->spa_scrub_lock);
3835}
3836
34dc7c2f 3837static int
294f6806 3838zdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
5dbd68a3 3839 const zbookmark_phys_t *zb, const dnode_phys_t *dnp, void *arg)
34dc7c2f 3840{
34dc7c2f 3841 zdb_cb_t *zcb = arg;
9babb374 3842 dmu_object_type_t type;
428870ff 3843 boolean_t is_metadata;
34dc7c2f 3844
30af21b0 3845 if (zb->zb_level == ZB_DNODE_LEVEL)
fcff0f35
PD		 3846 return (0);
3847
b0bc7a84
MG		 3848 if (dump_opt['b'] >= 5 && bp->blk_birth > 0) {
3849 char blkbuf[BP_SPRINTF_LEN];
3850 snprintf_blkptr(blkbuf, sizeof (blkbuf), bp);
3851 (void) printf("objset %llu object %llu "
3852 "level %lld offset 0x%llx %s\n",
3853 (u_longlong_t)zb->zb_objset,
3854 (u_longlong_t)zb->zb_object,
3855 (longlong_t)zb->zb_level,
3856 (u_longlong_t)blkid2offset(dnp, bp, zb),
3857 blkbuf);
3858 }
3859
30af21b0 3860 if (BP_IS_HOLE(bp) || BP_IS_REDACTED(bp))
b128c09f
BB		 3861 return (0);
3862
9babb374
BB		 3863 type = BP_GET_TYPE(bp);
3864
9ae529ec
CS		 3865 zdb_count_block(zcb, zilog, bp,
3866 (type & DMU_OT_NEWTYPE) ? ZDB_OT_OTHER : type);
b128c09f 3867
9ae529ec 3868 is_metadata = (BP_GET_LEVEL(bp) != 0 || DMU_OT_IS_METADATA(type));
428870ff 3869
9b67f605
MA		 3870 if (!BP_IS_EMBEDDED(bp) &&
3871 (dump_opt['c'] > 1 || (dump_opt['c'] && is_metadata))) {
428870ff 3872 size_t size = BP_GET_PSIZE(bp);
a6255b7f 3873 abd_t *abd = abd_alloc(size, B_FALSE);
428870ff 3874 int flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB | ZIO_FLAG_RAW;
9babb374 3875
428870ff
BB		 3876 /* If it's an intent log block, failure is expected. */
3877 if (zb->zb_level == ZB_ZIL_LEVEL)
3878 flags |= ZIO_FLAG_SPECULATIVE;
b128c09f 3879
5853fe79 3880 mutex_enter(&spa->spa_scrub_lock);
c8242a96 3881 while (spa->spa_load_verify_bytes > max_inflight_bytes)
5853fe79 3882 cv_wait(&spa->spa_scrub_io_cv, &spa->spa_scrub_lock);
c8242a96 3883 spa->spa_load_verify_bytes += size;
5853fe79 3884 mutex_exit(&spa->spa_scrub_lock);
428870ff 3885
a6255b7f 3886 zio_nowait(zio_read(NULL, spa, bp, abd, size,
5853fe79 3887 zdb_blkptr_done, zcb, ZIO_PRIORITY_ASYNC_READ, flags, zb));
34dc7c2f
BB		 3888 }
3889
3890 zcb->zcb_readfails = 0;
3891
e5fd1dd6
MA		 3892 /* only call gethrtime() every 100 blocks */
3893 static int iters;
3894 if (++iters > 100)
3895 iters = 0;
3896 else
3897 return (0);
3898
3899 if (dump_opt['b'] < 5 && gethrtime() > zcb->zcb_lastprint + NANOSEC) {
d5869641
MA		 3900 uint64_t now = gethrtime();
3901 char buf[10];
3902 uint64_t bytes = zcb->zcb_type[ZB_TOTAL][ZDB_OT_TOTAL].zb_asize;
3903 int kb_per_sec =
3904 1 + bytes / (1 + ((now - zcb->zcb_start) / 1000 / 1000));
3905 int sec_remaining =
3906 (zcb->zcb_totalasize - bytes) / 1024 / kb_per_sec;
3907
f3c8c9e6
JK		 3908 /* make sure nicenum has enough space */
3909 CTASSERT(sizeof (buf) >= NN_NUMBUF_SZ);
3910
e7fbeb60 3911 zfs_nicebytes(bytes, buf, sizeof (buf));
d5869641
MA		 3912 (void) fprintf(stderr,
3913 "\r%5s completed (%4dMB/s) "
3914 "estimated time remaining: %uhr %02umin %02usec ",
3915 buf, kb_per_sec / 1024,
3916 sec_remaining / 60 / 60,
3917 sec_remaining / 60 % 60,
3918 sec_remaining % 60);
3919
3920 zcb->zcb_lastprint = now;
3921 }
3922
34dc7c2f
BB		 3923 return (0);
3924}
3925
428870ff 3926static void
93cf2076 3927zdb_leak(void *arg, uint64_t start, uint64_t size)
428870ff 3928{
93cf2076 3929 vdev_t *vd = arg;
428870ff
BB		 3930
3931 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n",
3932 (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size);
3933}
3934
93cf2076 3935static metaslab_ops_t zdb_metaslab_ops = {
f3a7f661 3936 NULL /* alloc */
428870ff
BB		 3937};
3938
93e28d66
SD		 3939typedef int (*zdb_log_sm_cb_t)(spa_t *spa, space_map_entry_t *sme,
3940 uint64_t txg, void *arg);
3941
3942typedef struct unflushed_iter_cb_arg {
3943 spa_t *uic_spa;
3944 uint64_t uic_txg;
3945 void *uic_arg;
3946 zdb_log_sm_cb_t uic_cb;
3947} unflushed_iter_cb_arg_t;
3948
3949static int
3950iterate_through_spacemap_logs_cb(space_map_entry_t *sme, void *arg)
3951{
3952 unflushed_iter_cb_arg_t *uic = arg;
3953 return (uic->uic_cb(uic->uic_spa, sme, uic->uic_txg, uic->uic_arg));
3954}
3955
3956static void
3957iterate_through_spacemap_logs(spa_t *spa, zdb_log_sm_cb_t cb, void *arg)
3958{
3959 if (!spa_feature_is_active(spa, SPA_FEATURE_LOG_SPACEMAP))
3960 return;
3961
3962 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
3963 for (spa_log_sm_t *sls = avl_first(&spa->spa_sm_logs_by_txg);
3964 sls; sls = AVL_NEXT(&spa->spa_sm_logs_by_txg, sls)) {
3965 space_map_t *sm = NULL;
3966 VERIFY0(space_map_open(&sm, spa_meta_objset(spa),
3967 sls->sls_sm_obj, 0, UINT64_MAX, SPA_MINBLOCKSHIFT));
3968
3969 unflushed_iter_cb_arg_t uic = {
3970 .uic_spa = spa,
3971 .uic_txg = sls->sls_txg,
3972 .uic_arg = arg,
3973 .uic_cb = cb
3974 };
3975
3976 VERIFY0(space_map_iterate(sm, space_map_length(sm),
3977 iterate_through_spacemap_logs_cb, &uic));
3978 space_map_close(sm);
3979 }
3980 spa_config_exit(spa, SCL_CONFIG, FTAG);
3981}
3982
3983/* ARGSUSED */
3984static int
3985load_unflushed_svr_segs_cb(spa_t *spa, space_map_entry_t *sme,
3986 uint64_t txg, void *arg)
3987{
3988 spa_vdev_removal_t *svr = arg;
3989
3990 uint64_t offset = sme->sme_offset;
3991 uint64_t size = sme->sme_run;
3992
3993 /* skip vdevs we don't care about */
3994 if (sme->sme_vdev != svr->svr_vdev_id)
3995 return (0);
3996
3997 vdev_t *vd = vdev_lookup_top(spa, sme->sme_vdev);
3998 metaslab_t *ms = vd->vdev_ms[offset >> vd->vdev_ms_shift];
3999 ASSERT(sme->sme_type == SM_ALLOC || sme->sme_type == SM_FREE);
4000
4001 if (txg < metaslab_unflushed_txg(ms))
4002 return (0);
4003
4004 vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping;
4005 ASSERT(vim != NULL);
4006 if (offset >= vdev_indirect_mapping_max_offset(vim))
4007 return (0);
4008
4009 if (sme->sme_type == SM_ALLOC)
4010 range_tree_add(svr->svr_allocd_segs, offset, size);
4011 else
4012 range_tree_remove(svr->svr_allocd_segs, offset, size);
4013
4014 return (0);
4015}
4016
a1d477c2
MA		 4017/* ARGSUSED */
4018static void
4019claim_segment_impl_cb(uint64_t inner_offset, vdev_t *vd, uint64_t offset,
4020 uint64_t size, void *arg)
4021{
4022 /*
4023 * This callback was called through a remap from
4024 * a device being removed. Therefore, the vdev that
4025 * this callback is applied to is a concrete
4026 * vdev.
4027 */
4028 ASSERT(vdev_is_concrete(vd));
4029
4030 VERIFY0(metaslab_claim_impl(vd, offset, size,
d2734cce 4031 spa_min_claim_txg(vd->vdev_spa)));
a1d477c2
MA		 4032}
4033
4034static void
4035claim_segment_cb(void *arg, uint64_t offset, uint64_t size)
4036{
4037 vdev_t *vd = arg;
4038
4039 vdev_indirect_ops.vdev_op_remap(vd, offset, size,
4040 claim_segment_impl_cb, NULL);
4041}
4042
4043/*
4044 * After accounting for all allocated blocks that are directly referenced,
4045 * we might have missed a reference to a block from a partially complete
4046 * (and thus unused) indirect mapping object. We perform a secondary pass
4047 * through the metaslabs we have already mapped and claim the destination
4048 * blocks.
4049 */
4050static void
4051zdb_claim_removing(spa_t *spa, zdb_cb_t *zcb)
4052{
21e7cf5d
SD		 4053 if (dump_opt['L'])
4054 return;
4055
a1d477c2
MA		 4056 if (spa->spa_vdev_removal == NULL)
4057 return;
4058
4059 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
4060
4061 spa_vdev_removal_t *svr = spa->spa_vdev_removal;
9e052db4 4062 vdev_t *vd = vdev_lookup_top(spa, svr->svr_vdev_id);
a1d477c2
MA		 4063 vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping;
4064
93e28d66
SD		 4065 ASSERT0(range_tree_space(svr->svr_allocd_segs));
4066
ca577779 4067 range_tree_t *allocs = range_tree_create(NULL, RANGE_SEG64, NULL, 0, 0);
a1d477c2
MA		 4068 for (uint64_t msi = 0; msi < vd->vdev_ms_count; msi++) {
4069 metaslab_t *msp = vd->vdev_ms[msi];
4070
4071 if (msp->ms_start >= vdev_indirect_mapping_max_offset(vim))
4072 break;
4073
93e28d66
SD		 4074 ASSERT0(range_tree_space(allocs));
4075 if (msp->ms_sm != NULL)
4076 VERIFY0(space_map_load(msp->ms_sm, allocs, SM_ALLOC));
4077 range_tree_vacate(allocs, range_tree_add, svr->svr_allocd_segs);
4078 }
4079 range_tree_destroy(allocs);
a1d477c2 4080
93e28d66 4081 iterate_through_spacemap_logs(spa, load_unflushed_svr_segs_cb, svr);
a1d477c2 4082
93e28d66
SD		 4083 /*
4084 * Clear everything past what has been synced,
4085 * because we have not allocated mappings for
4086 * it yet.
4087 */
4088 range_tree_clear(svr->svr_allocd_segs,
4089 vdev_indirect_mapping_max_offset(vim),
4090 vd->vdev_asize - vdev_indirect_mapping_max_offset(vim));
a1d477c2 4091
93e28d66
SD		 4092 zcb->zcb_removing_size += range_tree_space(svr->svr_allocd_segs);
4093 range_tree_vacate(svr->svr_allocd_segs, claim_segment_cb, vd);
a1d477c2
MA		 4094
4095 spa_config_exit(spa, SCL_CONFIG, FTAG);
4096}
4097
a1d477c2
MA		 4098/* ARGSUSED */
4099static int
37f03da8
SH		 4100increment_indirect_mapping_cb(void *arg, const blkptr_t *bp, boolean_t bp_freed,
4101 dmu_tx_t *tx)
a1d477c2
MA		 4102{
4103 zdb_cb_t *zcb = arg;
4104 spa_t *spa = zcb->zcb_spa;
4105 vdev_t *vd;
4106 const dva_t *dva = &bp->blk_dva[0];
4107
37f03da8 4108 ASSERT(!bp_freed);
a1d477c2
MA		 4109 ASSERT(!dump_opt['L']);
4110 ASSERT3U(BP_GET_NDVAS(bp), ==, 1);
4111
4112 spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER);
4113 vd = vdev_lookup_top(zcb->zcb_spa, DVA_GET_VDEV(dva));
4114 ASSERT3P(vd, !=, NULL);
4115 spa_config_exit(spa, SCL_VDEV, FTAG);
4116
4117 ASSERT(vd->vdev_indirect_config.vic_mapping_object != 0);
4118 ASSERT3P(zcb->zcb_vd_obsolete_counts[vd->vdev_id], !=, NULL);
4119
4120 vdev_indirect_mapping_increment_obsolete_count(
4121 vd->vdev_indirect_mapping,
4122 DVA_GET_OFFSET(dva), DVA_GET_ASIZE(dva),
4123 zcb->zcb_vd_obsolete_counts[vd->vdev_id]);
4124
4125 return (0);
4126}
4127
4128static uint32_t *
4129zdb_load_obsolete_counts(vdev_t *vd)
4130{
4131 vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping;
4132 spa_t *spa = vd->vdev_spa;
4133 spa_condensing_indirect_phys_t *scip =
4134 &spa->spa_condensing_indirect_phys;
27f80e85 4135 uint64_t obsolete_sm_object;
a1d477c2
MA		 4136 uint32_t *counts;
4137
27f80e85
BB		 4138 VERIFY0(vdev_obsolete_sm_object(vd, &obsolete_sm_object));
4139 EQUIV(obsolete_sm_object != 0, vd->vdev_obsolete_sm != NULL);
a1d477c2
MA		 4140 counts = vdev_indirect_mapping_load_obsolete_counts(vim);
4141 if (vd->vdev_obsolete_sm != NULL) {
4142 vdev_indirect_mapping_load_obsolete_spacemap(vim, counts,
4143 vd->vdev_obsolete_sm);
4144 }
4145 if (scip->scip_vdev == vd->vdev_id &&
4146 scip->scip_prev_obsolete_sm_object != 0) {
4147 space_map_t *prev_obsolete_sm = NULL;
4148 VERIFY0(space_map_open(&prev_obsolete_sm, spa->spa_meta_objset,
4149 scip->scip_prev_obsolete_sm_object, 0, vd->vdev_asize, 0));
a1d477c2
MA		 4150 vdev_indirect_mapping_load_obsolete_spacemap(vim, counts,
4151 prev_obsolete_sm);
4152 space_map_close(prev_obsolete_sm);
4153 }
4154 return (counts);
4155}
4156
428870ff
BB		 4157static void
4158zdb_ddt_leak_init(spa_t *spa, zdb_cb_t *zcb)
4159{
867959b5 4160 ddt_bookmark_t ddb;
428870ff
BB		 4161 ddt_entry_t dde;
4162 int error;
d6320ddb 4163 int p;
428870ff 4164
21e7cf5d
SD		 4165 ASSERT(!dump_opt['L']);
4166
867959b5 4167 bzero(&ddb, sizeof (ddb));
428870ff
BB		 4168 while ((error = ddt_walk(spa, &ddb, &dde)) == 0) {
4169 blkptr_t blk;
4170 ddt_phys_t *ddp = dde.dde_phys;
4171
4172 if (ddb.ddb_class == DDT_CLASS_UNIQUE)
4173 return;
4174
4175 ASSERT(ddt_phys_total_refcnt(&dde) > 1);
4176
d6320ddb 4177 for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
428870ff
BB		 4178 if (ddp->ddp_phys_birth == 0)
4179 continue;
4180 ddt_bp_create(ddb.ddb_checksum,
4181 &dde.dde_key, ddp, &blk);
4182 if (p == DDT_PHYS_DITTO) {
4183 zdb_count_block(zcb, NULL, &blk, ZDB_OT_DITTO);
4184 } else {
4185 zcb->zcb_dedup_asize +=
4186 BP_GET_ASIZE(&blk) * (ddp->ddp_refcnt - 1);
4187 zcb->zcb_dedup_blocks++;
4188 }
4189 }
21e7cf5d
SD		 4190 ddt_t *ddt = spa->spa_ddt[ddb.ddb_checksum];
4191 ddt_enter(ddt);
4192 VERIFY(ddt_lookup(ddt, &blk, B_TRUE) != NULL);
4193 ddt_exit(ddt);
428870ff
BB		 4194 }
4195
4196 ASSERT(error == ENOENT);
4197}
4198
d2734cce
SD		 4199typedef struct checkpoint_sm_exclude_entry_arg {
4200 vdev_t *cseea_vd;
4201 uint64_t cseea_checkpoint_size;
4202} checkpoint_sm_exclude_entry_arg_t;
4203
4204static int
4d044c4c 4205checkpoint_sm_exclude_entry_cb(space_map_entry_t *sme, void *arg)
d2734cce
SD		 4206{
4207 checkpoint_sm_exclude_entry_arg_t *cseea = arg;
4208 vdev_t *vd = cseea->cseea_vd;
4d044c4c
SD		 4209 metaslab_t *ms = vd->vdev_ms[sme->sme_offset >> vd->vdev_ms_shift];
4210 uint64_t end = sme->sme_offset + sme->sme_run;
d2734cce 4211
4d044c4c 4212 ASSERT(sme->sme_type == SM_FREE);
d2734cce
SD		 4213
4214 /*
4215 * Since the vdev_checkpoint_sm exists in the vdev level
4216 * and the ms_sm space maps exist in the metaslab level,
4217 * an entry in the checkpoint space map could theoretically
4218 * cross the boundaries of the metaslab that it belongs.
4219 *
4220 * In reality, because of the way that we populate and
4221 * manipulate the checkpoint's space maps currently,
4222 * there shouldn't be any entries that cross metaslabs.
4223 * Hence the assertion below.
4224 *
4225 * That said, there is no fundamental requirement that
4226 * the checkpoint's space map entries should not cross
4227 * metaslab boundaries. So if needed we could add code
4228 * that handles metaslab-crossing segments in the future.
4229 */
4d044c4c 4230 VERIFY3U(sme->sme_offset, >=, ms->ms_start);
d2734cce
SD		 4231 VERIFY3U(end, <=, ms->ms_start + ms->ms_size);
4232
4233 /*
4234 * By removing the entry from the allocated segments we
4235 * also verify that the entry is there to begin with.
4236 */
4237 mutex_enter(&ms->ms_lock);
4d044c4c 4238 range_tree_remove(ms->ms_allocatable, sme->sme_offset, sme->sme_run);
d2734cce
SD		 4239 mutex_exit(&ms->ms_lock);
4240
4d044c4c 4241 cseea->cseea_checkpoint_size += sme->sme_run;
d2734cce
SD		 4242 return (0);
4243}
4244
4245static void
4246zdb_leak_init_vdev_exclude_checkpoint(vdev_t *vd, zdb_cb_t *zcb)
4247{
4248 spa_t *spa = vd->vdev_spa;
4249 space_map_t *checkpoint_sm = NULL;
4250 uint64_t checkpoint_sm_obj;
4251
4252 /*
4253 * If there is no vdev_top_zap, we are in a pool whose
4254 * version predates the pool checkpoint feature.
4255 */
4256 if (vd->vdev_top_zap == 0)
4257 return;
4258
4259 /*
4260 * If there is no reference of the vdev_checkpoint_sm in
4261 * the vdev_top_zap, then one of the following scenarios
4262 * is true:
4263 *
4264 * 1] There is no checkpoint
4265 * 2] There is a checkpoint, but no checkpointed blocks
4266 * have been freed yet
4267 * 3] The current vdev is indirect
4268 *
4269 * In these cases we return immediately.
4270 */
4271 if (zap_contains(spa_meta_objset(spa), vd->vdev_top_zap,
4272 VDEV_TOP_ZAP_POOL_CHECKPOINT_SM) != 0)
4273 return;
4274
4275 VERIFY0(zap_lookup(spa_meta_objset(spa), vd->vdev_top_zap,
4276 VDEV_TOP_ZAP_POOL_CHECKPOINT_SM, sizeof (uint64_t), 1,
4277 &checkpoint_sm_obj));
4278
4279 checkpoint_sm_exclude_entry_arg_t cseea;
4280 cseea.cseea_vd = vd;
4281 cseea.cseea_checkpoint_size = 0;
4282
4283 VERIFY0(space_map_open(&checkpoint_sm, spa_meta_objset(spa),
4284 checkpoint_sm_obj, 0, vd->vdev_asize, vd->vdev_ashift));
d2734cce
SD		 4285
4286 VERIFY0(space_map_iterate(checkpoint_sm,
425d3237 4287 space_map_length(checkpoint_sm),
d2734cce
SD		 4288 checkpoint_sm_exclude_entry_cb, &cseea));
4289 space_map_close(checkpoint_sm);
4290
4291 zcb->zcb_checkpoint_size += cseea.cseea_checkpoint_size;
4292}
4293
4294static void
4295zdb_leak_init_exclude_checkpoint(spa_t *spa, zdb_cb_t *zcb)
4296{
21e7cf5d
SD		 4297 ASSERT(!dump_opt['L']);
4298
d2734cce
SD		 4299 vdev_t *rvd = spa->spa_root_vdev;
4300 for (uint64_t c = 0; c < rvd->vdev_children; c++) {
4301 ASSERT3U(c, ==, rvd->vdev_child[c]->vdev_id);
4302 zdb_leak_init_vdev_exclude_checkpoint(rvd->vdev_child[c], zcb);
4303 }
4304}
4305
93e28d66
SD		 4306static int
4307count_unflushed_space_cb(spa_t *spa, space_map_entry_t *sme,
4308 uint64_t txg, void *arg)
4309{
4310 int64_t *ualloc_space = arg;
4311
4312 uint64_t offset = sme->sme_offset;
4313 uint64_t vdev_id = sme->sme_vdev;
4314
4315 vdev_t *vd = vdev_lookup_top(spa, vdev_id);
4316 if (!vdev_is_concrete(vd))
4317 return (0);
4318
4319 metaslab_t *ms = vd->vdev_ms[offset >> vd->vdev_ms_shift];
4320 ASSERT(sme->sme_type == SM_ALLOC || sme->sme_type == SM_FREE);
4321
4322 if (txg < metaslab_unflushed_txg(ms))
4323 return (0);
4324
4325 if (sme->sme_type == SM_ALLOC)
4326 *ualloc_space += sme->sme_run;
4327 else
4328 *ualloc_space -= sme->sme_run;
4329
4330 return (0);
4331}
4332
4333static int64_t
4334get_unflushed_alloc_space(spa_t *spa)
4335{
4336 if (dump_opt['L'])
4337 return (0);
4338
4339 int64_t ualloc_space = 0;
4340 iterate_through_spacemap_logs(spa, count_unflushed_space_cb,
4341 &ualloc_space);
4342 return (ualloc_space);
4343}
4344
4345static int
4346load_unflushed_cb(spa_t *spa, space_map_entry_t *sme, uint64_t txg, void *arg)
4347{
4348 maptype_t *uic_maptype = arg;
4349
4350 uint64_t offset = sme->sme_offset;
4351 uint64_t size = sme->sme_run;
4352 uint64_t vdev_id = sme->sme_vdev;
4353
4354 vdev_t *vd = vdev_lookup_top(spa, vdev_id);
4355
4356 /* skip indirect vdevs */
4357 if (!vdev_is_concrete(vd))
4358 return (0);
4359
4360 metaslab_t *ms = vd->vdev_ms[offset >> vd->vdev_ms_shift];
4361
4362 ASSERT(sme->sme_type == SM_ALLOC || sme->sme_type == SM_FREE);
4363 ASSERT(*uic_maptype == SM_ALLOC || *uic_maptype == SM_FREE);
4364
4365 if (txg < metaslab_unflushed_txg(ms))
4366 return (0);
4367
4368 if (*uic_maptype == sme->sme_type)
4369 range_tree_add(ms->ms_allocatable, offset, size);
4370 else
4371 range_tree_remove(ms->ms_allocatable, offset, size);
4372
4373 return (0);
4374}
4375
4376static void
4377load_unflushed_to_ms_allocatables(spa_t *spa, maptype_t maptype)
4378{
4379 iterate_through_spacemap_logs(spa, load_unflushed_cb, &maptype);
4380}
4381
d2734cce
SD		 4382static void
4383load_concrete_ms_allocatable_trees(spa_t *spa, maptype_t maptype)
4384{
4385 vdev_t *rvd = spa->spa_root_vdev;
4386 for (uint64_t i = 0; i < rvd->vdev_children; i++) {
4387 vdev_t *vd = rvd->vdev_child[i];
4388
4389 ASSERT3U(i, ==, vd->vdev_id);
4390
4391 if (vd->vdev_ops == &vdev_indirect_ops)
4392 continue;
4393
4394 for (uint64_t m = 0; m < vd->vdev_ms_count; m++) {
4395 metaslab_t *msp = vd->vdev_ms[m];
4396
4397 (void) fprintf(stderr,
4398 "\rloading concrete vdev %llu, "
4399 "metaslab %llu of %llu ...",
4400 (longlong_t)vd->vdev_id,
4401 (longlong_t)msp->ms_id,
4402 (longlong_t)vd->vdev_ms_count);
4403
4404 mutex_enter(&msp->ms_lock);
93e28d66 4405 range_tree_vacate(msp->ms_allocatable, NULL, NULL);
d2734cce
SD		 4406
4407 /*
4408 * We don't want to spend the CPU manipulating the
4409 * size-ordered tree, so clear the range_tree ops.
4410 */
4411 msp->ms_allocatable->rt_ops = NULL;
4412
4413 if (msp->ms_sm != NULL) {
4414 VERIFY0(space_map_load(msp->ms_sm,
4415 msp->ms_allocatable, maptype));
4416 }
4417 if (!msp->ms_loaded)
4418 msp->ms_loaded = B_TRUE;
4419 mutex_exit(&msp->ms_lock);
4420 }
4421 }
93e28d66
SD		 4422
4423 load_unflushed_to_ms_allocatables(spa, maptype);
d2734cce
SD		 4424}
4425
4426/*
4427 * vm_idxp is an in-out parameter which (for indirect vdevs) is the
4428 * index in vim_entries that has the first entry in this metaslab.
4429 * On return, it will be set to the first entry after this metaslab.
4430 */
4431static void
4432load_indirect_ms_allocatable_tree(vdev_t *vd, metaslab_t *msp,
4433 uint64_t *vim_idxp)
4434{
4435 vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping;
4436
4437 mutex_enter(&msp->ms_lock);
93e28d66 4438 range_tree_vacate(msp->ms_allocatable, NULL, NULL);
d2734cce
SD		 4439
4440 /*
4441 * We don't want to spend the CPU manipulating the
4442 * size-ordered tree, so clear the range_tree ops.
4443 */
4444 msp->ms_allocatable->rt_ops = NULL;
4445
4446 for (; *vim_idxp < vdev_indirect_mapping_num_entries(vim);
4447 (*vim_idxp)++) {
4448 vdev_indirect_mapping_entry_phys_t *vimep =
4449 &vim->vim_entries[*vim_idxp];
4450 uint64_t ent_offset = DVA_MAPPING_GET_SRC_OFFSET(vimep);
4451 uint64_t ent_len = DVA_GET_ASIZE(&vimep->vimep_dst);
4452 ASSERT3U(ent_offset, >=, msp->ms_start);
4453 if (ent_offset >= msp->ms_start + msp->ms_size)
4454 break;
4455
4456 /*
4457 * Mappings do not cross metaslab boundaries,
4458 * because we create them by walking the metaslabs.
4459 */
4460 ASSERT3U(ent_offset + ent_len, <=,
4461 msp->ms_start + msp->ms_size);
4462 range_tree_add(msp->ms_allocatable, ent_offset, ent_len);
4463 }
4464
4465 if (!msp->ms_loaded)
4466 msp->ms_loaded = B_TRUE;
4467 mutex_exit(&msp->ms_lock);
4468}
4469
4470static void
4471zdb_leak_init_prepare_indirect_vdevs(spa_t *spa, zdb_cb_t *zcb)
4472{
21e7cf5d
SD		 4473 ASSERT(!dump_opt['L']);
4474
d2734cce
SD		 4475 vdev_t *rvd = spa->spa_root_vdev;
4476 for (uint64_t c = 0; c < rvd->vdev_children; c++) {
4477 vdev_t *vd = rvd->vdev_child[c];
4478
4479 ASSERT3U(c, ==, vd->vdev_id);
4480
4481 if (vd->vdev_ops != &vdev_indirect_ops)
4482 continue;
4483
4484 /*
4485 * Note: we don't check for mapping leaks on
4486 * removing vdevs because their ms_allocatable's
4487 * are used to look for leaks in allocated space.
4488 */
4489 zcb->zcb_vd_obsolete_counts[c] = zdb_load_obsolete_counts(vd);
4490
4491 /*
4492 * Normally, indirect vdevs don't have any
4493 * metaslabs. We want to set them up for
4494 * zio_claim().
4495 */
4496 VERIFY0(vdev_metaslab_init(vd, 0));
4497
4498 vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping;
4499 uint64_t vim_idx = 0;
4500 for (uint64_t m = 0; m < vd->vdev_ms_count; m++) {
4501
4502 (void) fprintf(stderr,
4503 "\rloading indirect vdev %llu, "
4504 "metaslab %llu of %llu ...",
4505 (longlong_t)vd->vdev_id,
4506 (longlong_t)vd->vdev_ms[m]->ms_id,
4507 (longlong_t)vd->vdev_ms_count);
4508
4509 load_indirect_ms_allocatable_tree(vd, vd->vdev_ms[m],
4510 &vim_idx);
4511 }
4512 ASSERT3U(vim_idx, ==, vdev_indirect_mapping_num_entries(vim));
4513 }
4514}
4515
428870ff
BB		 4516static void
4517zdb_leak_init(spa_t *spa, zdb_cb_t *zcb)
4518{
4519 zcb->zcb_spa = spa;
4520
21e7cf5d
SD		 4521 if (dump_opt['L'])
4522 return;
4e21fd06 4523
21e7cf5d
SD		 4524 dsl_pool_t *dp = spa->spa_dsl_pool;
4525 vdev_t *rvd = spa->spa_root_vdev;
4e21fd06 4526
21e7cf5d
SD		 4527 /*
4528 * We are going to be changing the meaning of the metaslab's
4529 * ms_allocatable. Ensure that the allocator doesn't try to
4530 * use the tree.
4531 */
4532 spa->spa_normal_class->mc_ops = &zdb_metaslab_ops;
4533 spa->spa_log_class->mc_ops = &zdb_metaslab_ops;
a1d477c2 4534
21e7cf5d
SD		 4535 zcb->zcb_vd_obsolete_counts =
4536 umem_zalloc(rvd->vdev_children * sizeof (uint32_t *),
4537 UMEM_NOFAIL);
93cf2076 4538
21e7cf5d
SD		 4539 /*
4540 * For leak detection, we overload the ms_allocatable trees
4541 * to contain allocated segments instead of free segments.
4542 * As a result, we can't use the normal metaslab_load/unload
4543 * interfaces.
4544 */
4545 zdb_leak_init_prepare_indirect_vdevs(spa, zcb);
4546 load_concrete_ms_allocatable_trees(spa, SM_ALLOC);
a1d477c2 4547
21e7cf5d
SD		 4548 /*
4549 * On load_concrete_ms_allocatable_trees() we loaded all the
4550 * allocated entries from the ms_sm to the ms_allocatable for
4551 * each metaslab. If the pool has a checkpoint or is in the
4552 * middle of discarding a checkpoint, some of these blocks
4553 * may have been freed but their ms_sm may not have been
4554 * updated because they are referenced by the checkpoint. In
4555 * order to avoid false-positives during leak-detection, we
4556 * go through the vdev's checkpoint space map and exclude all
4557 * its entries from their relevant ms_allocatable.
4558 *
4559 * We also aggregate the space held by the checkpoint and add
4560 * it to zcb_checkpoint_size.
4561 *
4562 * Note that at this point we are also verifying that all the
4563 * entries on the checkpoint_sm are marked as allocated in
4564 * the ms_sm of their relevant metaslab.
4565 * [see comment in checkpoint_sm_exclude_entry_cb()]
4566 */
4567 zdb_leak_init_exclude_checkpoint(spa, zcb);
4568 ASSERT3U(zcb->zcb_checkpoint_size, ==, spa_get_checkpoint_space(spa));
a1d477c2 4569
21e7cf5d
SD		 4570 /* for cleaner progress output */
4571 (void) fprintf(stderr, "\n");
4572
4573 if (bpobj_is_open(&dp->dp_obsolete_bpobj)) {
4574 ASSERT(spa_feature_is_enabled(spa,
4575 SPA_FEATURE_DEVICE_REMOVAL));
4576 (void) bpobj_iterate_nofree(&dp->dp_obsolete_bpobj,
4577 increment_indirect_mapping_cb, zcb, NULL);
428870ff
BB		 4578 }
4579
4580 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
428870ff 4581 zdb_ddt_leak_init(spa, zcb);
428870ff
BB		 4582 spa_config_exit(spa, SCL_CONFIG, FTAG);
4583}
4584
a1d477c2
MA		 4585static boolean_t
4586zdb_check_for_obsolete_leaks(vdev_t *vd, zdb_cb_t *zcb)
4587{
4588 boolean_t leaks = B_FALSE;
4589 vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping;
4590 uint64_t total_leaked = 0;
27f80e85 4591 boolean_t are_precise = B_FALSE;
a1d477c2
MA		 4592
4593 ASSERT(vim != NULL);
4594
4595 for (uint64_t i = 0; i < vdev_indirect_mapping_num_entries(vim); i++) {
4596 vdev_indirect_mapping_entry_phys_t *vimep =
4597 &vim->vim_entries[i];
4598 uint64_t obsolete_bytes = 0;
4599 uint64_t offset = DVA_MAPPING_GET_SRC_OFFSET(vimep);
4600 metaslab_t *msp = vd->vdev_ms[offset >> vd->vdev_ms_shift];
4601
4602 /*
4603 * This is not very efficient but it's easy to
4604 * verify correctness.
4605 */
4606 for (uint64_t inner_offset = 0;
4607 inner_offset < DVA_GET_ASIZE(&vimep->vimep_dst);
4608 inner_offset += 1 << vd->vdev_ashift) {
d2734cce 4609 if (range_tree_contains(msp->ms_allocatable,
a1d477c2
MA		 4610 offset + inner_offset, 1 << vd->vdev_ashift)) {
4611 obsolete_bytes += 1 << vd->vdev_ashift;
4612 }
4613 }
4614
4615 int64_t bytes_leaked = obsolete_bytes -
4616 zcb->zcb_vd_obsolete_counts[vd->vdev_id][i];
4617 ASSERT3U(DVA_GET_ASIZE(&vimep->vimep_dst), >=,
4618 zcb->zcb_vd_obsolete_counts[vd->vdev_id][i]);
27f80e85
BB		 4619
4620 VERIFY0(vdev_obsolete_counts_are_precise(vd, &are_precise));
4621 if (bytes_leaked != 0 && (are_precise || dump_opt['d'] >= 5)) {
a1d477c2
MA		 4622 (void) printf("obsolete indirect mapping count "
4623 "mismatch on %llu:%llx:%llx : %llx bytes leaked\n",
4624 (u_longlong_t)vd->vdev_id,
4625 (u_longlong_t)DVA_MAPPING_GET_SRC_OFFSET(vimep),
4626 (u_longlong_t)DVA_GET_ASIZE(&vimep->vimep_dst),
4627 (u_longlong_t)bytes_leaked);
4628 }
4629 total_leaked += ABS(bytes_leaked);
4630 }
4631
27f80e85
BB		 4632 VERIFY0(vdev_obsolete_counts_are_precise(vd, &are_precise));
4633 if (!are_precise && total_leaked > 0) {
a1d477c2
MA		 4634 int pct_leaked = total_leaked * 100 /
4635 vdev_indirect_mapping_bytes_mapped(vim);
4636 (void) printf("cannot verify obsolete indirect mapping "
4637 "counts of vdev %llu because precise feature was not "
4638 "enabled when it was removed: %d%% (%llx bytes) of mapping"
4639 "unreferenced\n",
4640 (u_longlong_t)vd->vdev_id, pct_leaked,
4641 (u_longlong_t)total_leaked);
4642 } else if (total_leaked > 0) {
4643 (void) printf("obsolete indirect mapping count mismatch "
4644 "for vdev %llu -- %llx total bytes mismatched\n",
4645 (u_longlong_t)vd->vdev_id,
4646 (u_longlong_t)total_leaked);
4647 leaks |= B_TRUE;
4648 }
4649
4650 vdev_indirect_mapping_free_obsolete_counts(vim,
4651 zcb->zcb_vd_obsolete_counts[vd->vdev_id]);
4652 zcb->zcb_vd_obsolete_counts[vd->vdev_id] = NULL;
4653
4654 return (leaks);
4655}
4656
4657static boolean_t
4658zdb_leak_fini(spa_t *spa, zdb_cb_t *zcb)
428870ff 4659{
21e7cf5d
SD		 4660 if (dump_opt['L'])
4661 return (B_FALSE);
4662
a1d477c2 4663 boolean_t leaks = B_FALSE;
21e7cf5d
SD		 4664 vdev_t *rvd = spa->spa_root_vdev;
4665 for (unsigned c = 0; c < rvd->vdev_children; c++) {
4666 vdev_t *vd = rvd->vdev_child[c];
2a8ba608 4667 metaslab_group_t *mg __maybe_unused = vd->vdev_mg;
a1d477c2 4668
21e7cf5d
SD		 4669 if (zcb->zcb_vd_obsolete_counts[c] != NULL) {
4670 leaks |= zdb_check_for_obsolete_leaks(vd, zcb);
4671 }
4e21fd06 4672
21e7cf5d
SD		 4673 for (uint64_t m = 0; m < vd->vdev_ms_count; m++) {
4674 metaslab_t *msp = vd->vdev_ms[m];
4675 ASSERT3P(mg, ==, msp->ms_group);
4676
4677 /*
4678 * ms_allocatable has been overloaded
4679 * to contain allocated segments. Now that
4680 * we finished traversing all blocks, any
4681 * block that remains in the ms_allocatable
4682 * represents an allocated block that we
4683 * did not claim during the traversal.
4684 * Claimed blocks would have been removed
4685 * from the ms_allocatable. For indirect
4686 * vdevs, space remaining in the tree
4687 * represents parts of the mapping that are
4688 * not referenced, which is not a bug.
4689 */
4690 if (vd->vdev_ops == &vdev_indirect_ops) {
4691 range_tree_vacate(msp->ms_allocatable,
4692 NULL, NULL);
4693 } else {
4694 range_tree_vacate(msp->ms_allocatable,
4695 zdb_leak, vd);
428870ff 4696 }
21e7cf5d
SD		 4697 if (msp->ms_loaded) {
4698 msp->ms_loaded = B_FALSE;
4699 }
4700 }
428870ff 4701 }
21e7cf5d
SD		 4702
4703 umem_free(zcb->zcb_vd_obsolete_counts,
4704 rvd->vdev_children * sizeof (uint32_t *));
4705 zcb->zcb_vd_obsolete_counts = NULL;
4706
a1d477c2 4707 return (leaks);
428870ff
BB		 4708}
4709
4710/* ARGSUSED */
4711static int
4712count_block_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
4713{
4714 zdb_cb_t *zcb = arg;
4715
d5869641 4716 if (dump_opt['b'] >= 5) {
428870ff 4717 char blkbuf[BP_SPRINTF_LEN];
b0bc7a84 4718 snprintf_blkptr(blkbuf, sizeof (blkbuf), bp);
428870ff
BB		 4719 (void) printf("[%s] %s\n",
4720 "deferred free", blkbuf);
4721 }
4722 zdb_count_block(zcb, NULL, bp, ZDB_OT_DEFERRED);
4723 return (0);
4724}
4725
37f03da8
SH		 4726/*
4727 * Iterate over livelists which have been destroyed by the user but
4728 * are still present in the MOS, waiting to be freed
4729 */
4730typedef void ll_iter_t(dsl_deadlist_t *ll, void *arg);
4731
4732static void
4733iterate_deleted_livelists(spa_t *spa, ll_iter_t func, void *arg)
4734{
4735 objset_t *mos = spa->spa_meta_objset;
4736 uint64_t zap_obj;
4737 int err = zap_lookup(mos, DMU_POOL_DIRECTORY_OBJECT,
4738 DMU_POOL_DELETED_CLONES, sizeof (uint64_t), 1, &zap_obj);
4739 if (err == ENOENT)
4740 return;
4741 ASSERT0(err);
4742
4743 zap_cursor_t zc;
4744 zap_attribute_t attr;
4745 dsl_deadlist_t ll;
4746 /* NULL out os prior to dsl_deadlist_open in case it's garbage */
4747 ll.dl_os = NULL;
4748 for (zap_cursor_init(&zc, mos, zap_obj);
4749 zap_cursor_retrieve(&zc, &attr) == 0;
4750 (void) zap_cursor_advance(&zc)) {
4751 dsl_deadlist_open(&ll, mos, attr.za_first_integer);
4752 func(&ll, arg);
4753 dsl_deadlist_close(&ll);
4754 }
4755 zap_cursor_fini(&zc);
4756}
4757
4758static int
4759bpobj_count_block_cb(void *arg, const blkptr_t *bp, boolean_t bp_freed,
4760 dmu_tx_t *tx)
4761{
4762 ASSERT(!bp_freed);
4763 return (count_block_cb(arg, bp, tx));
4764}
4765
4766static int
4767livelist_entry_count_blocks_cb(void *args, dsl_deadlist_entry_t *dle)
4768{
4769 zdb_cb_t *zbc = args;
4770 bplist_t blks;
4771 bplist_create(&blks);
4772 /* determine which blocks have been alloc'd but not freed */
4773 VERIFY0(dsl_process_sub_livelist(&dle->dle_bpobj, &blks, NULL, NULL));
4774 /* count those blocks */
4775 (void) bplist_iterate(&blks, count_block_cb, zbc, NULL);
4776 bplist_destroy(&blks);
4777 return (0);
4778}
4779
4780static void
4781livelist_count_blocks(dsl_deadlist_t *ll, void *arg)
4782{
4783 dsl_deadlist_iterate(ll, livelist_entry_count_blocks_cb, arg);
4784}
4785
4786/*
4787 * Count the blocks in the livelists that have been destroyed by the user
4788 * but haven't yet been freed.
4789 */
4790static void
4791deleted_livelists_count_blocks(spa_t *spa, zdb_cb_t *zbc)
4792{
4793 iterate_deleted_livelists(spa, livelist_count_blocks, zbc);
4794}
4795
4796static void
4797dump_livelist_cb(dsl_deadlist_t *ll, void *arg)
4798{
4799 ASSERT3P(arg, ==, NULL);
4800 global_feature_count[SPA_FEATURE_LIVELIST]++;
4801 dump_blkptr_list(ll, "Deleted Livelist");
4802}
4803
4804/*
4805 * Print out, register object references to, and increment feature counts for
4806 * livelists that have been destroyed by the user but haven't yet been freed.
4807 */
4808static void
4809deleted_livelists_dump_mos(spa_t *spa)
4810{
4811 uint64_t zap_obj;
4812 objset_t *mos = spa->spa_meta_objset;
4813 int err = zap_lookup(mos, DMU_POOL_DIRECTORY_OBJECT,
4814 DMU_POOL_DELETED_CLONES, sizeof (uint64_t), 1, &zap_obj);
4815 if (err == ENOENT)
4816 return;
4817 mos_obj_refd(zap_obj);
4818 iterate_deleted_livelists(spa, dump_livelist_cb, NULL);
4819}
4820
34dc7c2f
BB		 4821static int
4822dump_block_stats(spa_t *spa)
4823{
2598c001 4824 zdb_cb_t zcb;
34dc7c2f 4825 zdb_blkstats_t *zb, *tzb;
428870ff 4826 uint64_t norm_alloc, norm_space, total_alloc, total_found;
b5256303
TC		 4827 int flags = TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA |
4828 TRAVERSE_NO_DECRYPT | TRAVERSE_HARD;
9b67f605 4829 boolean_t leaks = B_FALSE;
0c0b0ad4 4830 int e, c, err;
9b67f605 4831 bp_embedded_type_t i;
34dc7c2f 4832
867959b5 4833 bzero(&zcb, sizeof (zcb));
d5869641 4834 (void) printf("\nTraversing all blocks %s%s%s%s%s...\n\n",
428870ff
BB		 4835 (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "",
4836 (dump_opt['c'] == 1) ? "metadata " : "",
4837 dump_opt['c'] ? "checksums " : "",
4838 (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "",
4839 !dump_opt['L'] ? "nothing leaked " : "");
34dc7c2f
BB		 4840
4841 /*
21e7cf5d
SD		 4842 * When leak detection is enabled we load all space maps as SM_ALLOC
4843 * maps, then traverse the pool claiming each block we discover. If
4844 * the pool is perfectly consistent, the segment trees will be empty
4845 * when we're done. Anything left over is a leak; any block we can't
4846 * claim (because it's not part of any space map) is a double
4847 * allocation, reference to a freed block, or an unclaimed log block.
4848 *
4849 * When leak detection is disabled (-L option) we still traverse the
4850 * pool claiming each block we discover, but we skip opening any space
4851 * maps.
34dc7c2f 4852 */
d1d7e268 4853 bzero(&zcb, sizeof (zdb_cb_t));
428870ff 4854 zdb_leak_init(spa, &zcb);
34dc7c2f
BB		 4855
4856 /*
4857 * If there's a deferred-free bplist, process that first.
4858 */
428870ff 4859 (void) bpobj_iterate_nofree(&spa->spa_deferred_bpobj,
37f03da8 4860 bpobj_count_block_cb, &zcb, NULL);
a1d477c2 4861
13fe0198
MA		 4862 if (spa_version(spa) >= SPA_VERSION_DEADLISTS) {
4863 (void) bpobj_iterate_nofree(&spa->spa_dsl_pool->dp_free_bpobj,
37f03da8 4864 bpobj_count_block_cb, &zcb, NULL);
13fe0198 4865 }
a1d477c2
MA		 4866
4867 zdb_claim_removing(spa, &zcb);
4868
fa86b5db 4869 if (spa_feature_is_active(spa, SPA_FEATURE_ASYNC_DESTROY)) {
9ae529ec
CS		 4870 VERIFY3U(0, ==, bptree_iterate(spa->spa_meta_objset,
4871 spa->spa_dsl_pool->dp_bptree_obj, B_FALSE, count_block_cb,
4872 &zcb, NULL));
4873 }
34dc7c2f 4874
37f03da8
SH		 4875 deleted_livelists_count_blocks(spa, &zcb);
4876
428870ff
BB		 4877 if (dump_opt['c'] > 1)
4878 flags |= TRAVERSE_PREFETCH_DATA;
34dc7c2f 4879
d5869641 4880 zcb.zcb_totalasize = metaslab_class_get_alloc(spa_normal_class(spa));
cc99f275
DB		 4881 zcb.zcb_totalasize += metaslab_class_get_alloc(spa_special_class(spa));
4882 zcb.zcb_totalasize += metaslab_class_get_alloc(spa_dedup_class(spa));
d5869641 4883 zcb.zcb_start = zcb.zcb_lastprint = gethrtime();
0c0b0ad4 4884 err = traverse_pool(spa, 0, flags, zdb_blkptr_cb, &zcb);
34dc7c2f 4885
5853fe79
GW		 4886 /*
4887 * If we've traversed the data blocks then we need to wait for those
4888 * I/Os to complete. We leverage "The Godfather" zio to wait on
4889 * all async I/Os to complete.
4890 */
4891 if (dump_opt['c']) {
e022864d
MA		 4892 for (c = 0; c < max_ncpus; c++) {
4893 (void) zio_wait(spa->spa_async_zio_root[c]);
4894 spa->spa_async_zio_root[c] = zio_root(spa, NULL, NULL,
4895 ZIO_FLAG_CANFAIL | ZIO_FLAG_SPECULATIVE |
4896 ZIO_FLAG_GODFATHER);
4897 }
5853fe79 4898 }
c8242a96 4899 ASSERT0(spa->spa_load_verify_bytes);
5853fe79 4900
0c0b0ad4
CC		 4901 /*
4902 * Done after zio_wait() since zcb_haderrors is modified in
4903 * zdb_blkptr_done()
4904 */
4905 zcb.zcb_haderrors |= err;
4906
428870ff 4907 if (zcb.zcb_haderrors) {
34dc7c2f
BB		 4908 (void) printf("\nError counts:\n\n");
4909 (void) printf("\t%5s %s\n", "errno", "count");
d6320ddb 4910 for (e = 0; e < 256; e++) {
34dc7c2f
BB		 4911 if (zcb.zcb_errors[e] != 0) {
4912 (void) printf("\t%5d %llu\n",
4913 e, (u_longlong_t)zcb.zcb_errors[e]);
4914 }
4915 }
4916 }
4917
4918 /*
4919 * Report any leaked segments.
4920 */
a1d477c2 4921 leaks |= zdb_leak_fini(spa, &zcb);
34dc7c2f 4922
428870ff 4923 tzb = &zcb.zcb_type[ZB_TOTAL][ZDB_OT_TOTAL];
34dc7c2f 4924
428870ff
BB		 4925 norm_alloc = metaslab_class_get_alloc(spa_normal_class(spa));
4926 norm_space = metaslab_class_get_space(spa_normal_class(spa));
34dc7c2f 4927
cc99f275
DB		 4928 total_alloc = norm_alloc +
4929 metaslab_class_get_alloc(spa_log_class(spa)) +
4930 metaslab_class_get_alloc(spa_special_class(spa)) +
93e28d66
SD		 4931 metaslab_class_get_alloc(spa_dedup_class(spa)) +
4932 get_unflushed_alloc_space(spa);
a1d477c2 4933 total_found = tzb->zb_asize - zcb.zcb_dedup_asize +
d2734cce 4934 zcb.zcb_removing_size + zcb.zcb_checkpoint_size;
34dc7c2f 4935
21e7cf5d
SD		 4936 if (total_found == total_alloc && !dump_opt['L']) {
4937 (void) printf("\n\tNo leaks (block sum matches space"
4938 " maps exactly)\n");
4939 } else if (!dump_opt['L']) {
34dc7c2f 4940 (void) printf("block traversal size %llu != alloc %llu "
fb5f0bc8 4941 "(%s %lld)\n",
428870ff
BB		 4942 (u_longlong_t)total_found,
4943 (u_longlong_t)total_alloc,
fb5f0bc8 4944 (dump_opt['L']) ? "unreachable" : "leaked",
428870ff 4945 (longlong_t)(total_alloc - total_found));
9b67f605 4946 leaks = B_TRUE;
34dc7c2f
BB		 4947 }
4948
4949 if (tzb->zb_count == 0)
4950 return (2);
4951
4952 (void) printf("\n");
cc99f275 4953 (void) printf("\t%-16s %14llu\n", "bp count:",
34dc7c2f 4954 (u_longlong_t)tzb->zb_count);
cc99f275 4955 (void) printf("\t%-16s %14llu\n", "ganged count:",
83017311 4956 (longlong_t)tzb->zb_gangs);
cc99f275 4957 (void) printf("\t%-16s %14llu avg: %6llu\n", "bp logical:",
34dc7c2f
BB		 4958 (u_longlong_t)tzb->zb_lsize,
4959 (u_longlong_t)(tzb->zb_lsize / tzb->zb_count));
cc99f275
DB		 4960 (void) printf("\t%-16s %14llu avg: %6llu compression: %6.2f\n",
4961 "bp physical:", (u_longlong_t)tzb->zb_psize,
34dc7c2f
BB		 4962 (u_longlong_t)(tzb->zb_psize / tzb->zb_count),
4963 (double)tzb->zb_lsize / tzb->zb_psize);
cc99f275
DB		 4964 (void) printf("\t%-16s %14llu avg: %6llu compression: %6.2f\n",
4965 "bp allocated:", (u_longlong_t)tzb->zb_asize,
34dc7c2f
BB		 4966 (u_longlong_t)(tzb->zb_asize / tzb->zb_count),
4967 (double)tzb->zb_lsize / tzb->zb_asize);
cc99f275
DB		 4968 (void) printf("\t%-16s %14llu ref>1: %6llu deduplication: %6.2f\n",
4969 "bp deduped:", (u_longlong_t)zcb.zcb_dedup_asize,
428870ff
BB		 4970 (u_longlong_t)zcb.zcb_dedup_blocks,
4971 (double)zcb.zcb_dedup_asize / tzb->zb_asize + 1.0);
cc99f275 4972 (void) printf("\t%-16s %14llu used: %5.2f%%\n", "Normal class:",
428870ff 4973 (u_longlong_t)norm_alloc, 100.0 * norm_alloc / norm_space);
34dc7c2f 4974
cc99f275
DB		 4975 if (spa_special_class(spa)->mc_rotor != NULL) {
4976 uint64_t alloc = metaslab_class_get_alloc(
4977 spa_special_class(spa));
4978 uint64_t space = metaslab_class_get_space(
4979 spa_special_class(spa));
4980
4981 (void) printf("\t%-16s %14llu used: %5.2f%%\n",
4982 "Special class", (u_longlong_t)alloc,
4983 100.0 * alloc / space);
4984 }
4985
4986 if (spa_dedup_class(spa)->mc_rotor != NULL) {
4987 uint64_t alloc = metaslab_class_get_alloc(
4988 spa_dedup_class(spa));
4989 uint64_t space = metaslab_class_get_space(
4990 spa_dedup_class(spa));
4991
4992 (void) printf("\t%-16s %14llu used: %5.2f%%\n",
4993 "Dedup class", (u_longlong_t)alloc,
4994 100.0 * alloc / space);
4995 }
4996
9b67f605
MA		 4997 for (i = 0; i < NUM_BP_EMBEDDED_TYPES; i++) {
4998 if (zcb.zcb_embedded_blocks[i] == 0)
4999 continue;
5000 (void) printf("\n");
5001 (void) printf("\tadditional, non-pointer bps of type %u: "
5002 "%10llu\n",
5003 i, (u_longlong_t)zcb.zcb_embedded_blocks[i]);
5004
5005 if (dump_opt['b'] >= 3) {
5006 (void) printf("\t number of (compressed) bytes: "
5007 "number of bps\n");
5008 dump_histogram(zcb.zcb_embedded_histogram[i],
5009 sizeof (zcb.zcb_embedded_histogram[i]) /
5010 sizeof (zcb.zcb_embedded_histogram[i][0]), 0);
5011 }
5012 }
5013
83017311
MA		 5014 if (tzb->zb_ditto_samevdev != 0) {
5015 (void) printf("\tDittoed blocks on same vdev: %llu\n",
5016 (longlong_t)tzb->zb_ditto_samevdev);
5017 }
cc99f275
DB		 5018 if (tzb->zb_ditto_same_ms != 0) {
5019 (void) printf("\tDittoed blocks in same metaslab: %llu\n",
5020 (longlong_t)tzb->zb_ditto_same_ms);
5021 }
83017311 5022
a1d477c2
MA		 5023 for (uint64_t v = 0; v < spa->spa_root_vdev->vdev_children; v++) {
5024 vdev_t *vd = spa->spa_root_vdev->vdev_child[v];
5025 vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping;
5026
5027 if (vim == NULL) {
5028 continue;
5029 }
5030
5031 char mem[32];
5032 zdb_nicenum(vdev_indirect_mapping_num_entries(vim),
5033 mem, vdev_indirect_mapping_size(vim));
5034
5035 (void) printf("\tindirect vdev id %llu has %llu segments "
5036 "(%s in memory)\n",
5037 (longlong_t)vd->vdev_id,
5038 (longlong_t)vdev_indirect_mapping_num_entries(vim), mem);
5039 }
5040
34dc7c2f
BB		 5041 if (dump_opt['b'] >= 2) {
5042 int l, t, level;
5043 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE"
5044 "\t avg\t comp\t%%Total\tType\n");
5045
428870ff
BB		 5046 for (t = 0; t <= ZDB_OT_TOTAL; t++) {
5047 char csize[32], lsize[32], psize[32], asize[32];
83017311 5048 char avg[32], gang[32];
867959b5 5049 const char *typename;
34dc7c2f 5050
f3c8c9e6
JK		 5051 /* make sure nicenum has enough space */
5052 CTASSERT(sizeof (csize) >= NN_NUMBUF_SZ);
5053 CTASSERT(sizeof (lsize) >= NN_NUMBUF_SZ);
5054 CTASSERT(sizeof (psize) >= NN_NUMBUF_SZ);
5055 CTASSERT(sizeof (asize) >= NN_NUMBUF_SZ);
5056 CTASSERT(sizeof (avg) >= NN_NUMBUF_SZ);
5057 CTASSERT(sizeof (gang) >= NN_NUMBUF_SZ);
5058
428870ff
BB		 5059 if (t < DMU_OT_NUMTYPES)
5060 typename = dmu_ot[t].ot_name;
5061 else
5062 typename = zdb_ot_extname[t - DMU_OT_NUMTYPES];
34dc7c2f
BB		 5063
5064 if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) {
5065 (void) printf("%6s\t%5s\t%5s\t%5s"
5066 "\t%5s\t%5s\t%6s\t%s\n",
5067 "-",
5068 "-",
5069 "-",
5070 "-",
5071 "-",
5072 "-",
5073 "-",
5074 typename);
5075 continue;
5076 }
5077
5078 for (l = ZB_TOTAL - 1; l >= -1; l--) {
5079 level = (l == -1 ? ZB_TOTAL : l);
5080 zb = &zcb.zcb_type[level][t];
5081
5082 if (zb->zb_asize == 0)
5083 continue;
5084
5085 if (dump_opt['b'] < 3 && level != ZB_TOTAL)
5086 continue;
5087
5088 if (level == 0 && zb->zb_asize ==
5089 zcb.zcb_type[ZB_TOTAL][t].zb_asize)
5090 continue;
5091
f3c8c9e6
JK		 5092 zdb_nicenum(zb->zb_count, csize,
5093 sizeof (csize));
5094 zdb_nicenum(zb->zb_lsize, lsize,
5095 sizeof (lsize));
5096 zdb_nicenum(zb->zb_psize, psize,
5097 sizeof (psize));
5098 zdb_nicenum(zb->zb_asize, asize,
5099 sizeof (asize));
5100 zdb_nicenum(zb->zb_asize / zb->zb_count, avg,
5101 sizeof (avg));
5102 zdb_nicenum(zb->zb_gangs, gang, sizeof (gang));
34dc7c2f
BB		 5103
5104 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s"
5105 "\t%5.2f\t%6.2f\t",
5106 csize, lsize, psize, asize, avg,
5107 (double)zb->zb_lsize / zb->zb_psize,
5108 100.0 * zb->zb_asize / tzb->zb_asize);
5109
5110 if (level == ZB_TOTAL)
5111 (void) printf("%s\n", typename);
5112 else
5113 (void) printf(" L%d %s\n",
5114 level, typename);
d5869641 5115
83017311
MA		 5116 if (dump_opt['b'] >= 3 && zb->zb_gangs > 0) {
5117 (void) printf("\t number of ganged "
5118 "blocks: %s\n", gang);
5119 }
5120
d5869641
MA		 5121 if (dump_opt['b'] >= 4) {
5122 (void) printf("psize "
5123 "(in 512-byte sectors): "
5124 "number of blocks\n");
5125 dump_histogram(zb->zb_psize_histogram,
93cf2076 5126 PSIZE_HISTO_SIZE, 0);
d5869641 5127 }
34dc7c2f
BB		 5128 }
5129 }
5130 }
5131
5132 (void) printf("\n");
5133
5134 if (leaks)
5135 return (2);
5136
5137 if (zcb.zcb_haderrors)
5138 return (3);
5139
5140 return (0);
5141}
5142
428870ff
BB		 5143typedef struct zdb_ddt_entry {
5144 ddt_key_t zdde_key;
5145 uint64_t zdde_ref_blocks;
5146 uint64_t zdde_ref_lsize;
5147 uint64_t zdde_ref_psize;
5148 uint64_t zdde_ref_dsize;
5149 avl_node_t zdde_node;
5150} zdb_ddt_entry_t;
5151
5152/* ARGSUSED */
5153static int
5154zdb_ddt_add_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
5dbd68a3 5155 const zbookmark_phys_t *zb, const dnode_phys_t *dnp, void *arg)
428870ff
BB		 5156{
5157 avl_tree_t *t = arg;
5158 avl_index_t where;
5159 zdb_ddt_entry_t *zdde, zdde_search;
5160
30af21b0
PD		 5161 if (zb->zb_level == ZB_DNODE_LEVEL || BP_IS_HOLE(bp) ||
5162 BP_IS_EMBEDDED(bp))
428870ff
BB		 5163 return (0);
5164
5165 if (dump_opt['S'] > 1 && zb->zb_level == ZB_ROOT_LEVEL) {
5166 (void) printf("traversing objset %llu, %llu objects, "
5167 "%lu blocks so far\n",
5168 (u_longlong_t)zb->zb_objset,
9b67f605 5169 (u_longlong_t)BP_GET_FILL(bp),
428870ff
BB		 5170 avl_numnodes(t));
5171 }
5172
5173 if (BP_IS_HOLE(bp) || BP_GET_CHECKSUM(bp) == ZIO_CHECKSUM_OFF ||
9ae529ec 5174 BP_GET_LEVEL(bp) > 0 || DMU_OT_IS_METADATA(BP_GET_TYPE(bp)))
428870ff
BB		 5175 return (0);
5176
5177 ddt_key_fill(&zdde_search.zdde_key, bp);
5178
5179 zdde = avl_find(t, &zdde_search, &where);
5180
5181 if (zdde == NULL) {
5182 zdde = umem_zalloc(sizeof (*zdde), UMEM_NOFAIL);
5183 zdde->zdde_key = zdde_search.zdde_key;
5184 avl_insert(t, zdde, where);
5185 }
5186
5187 zdde->zdde_ref_blocks += 1;
5188 zdde->zdde_ref_lsize += BP_GET_LSIZE(bp);
5189 zdde->zdde_ref_psize += BP_GET_PSIZE(bp);
5190 zdde->zdde_ref_dsize += bp_get_dsize_sync(spa, bp);
5191
5192 return (0);
5193}
5194
5195static void
5196dump_simulated_ddt(spa_t *spa)
5197{
5198 avl_tree_t t;
5199 void *cookie = NULL;
5200 zdb_ddt_entry_t *zdde;
2598c001
BB		 5201 ddt_histogram_t ddh_total;
5202 ddt_stat_t dds_total;
5203
867959b5
BB		 5204 bzero(&ddh_total, sizeof (ddh_total));
5205 bzero(&dds_total, sizeof (dds_total));
428870ff
BB		 5206 avl_create(&t, ddt_entry_compare,
5207 sizeof (zdb_ddt_entry_t), offsetof(zdb_ddt_entry_t, zdde_node));
5208
5209 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
5210
b5256303
TC		 5211 (void) traverse_pool(spa, 0, TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA |
5212 TRAVERSE_NO_DECRYPT, zdb_ddt_add_cb, &t);
428870ff
BB		 5213
5214 spa_config_exit(spa, SCL_CONFIG, FTAG);
5215
5216 while ((zdde = avl_destroy_nodes(&t, &cookie)) != NULL) {
5217 ddt_stat_t dds;
5218 uint64_t refcnt = zdde->zdde_ref_blocks;
5219 ASSERT(refcnt != 0);
5220
5221 dds.dds_blocks = zdde->zdde_ref_blocks / refcnt;
5222 dds.dds_lsize = zdde->zdde_ref_lsize / refcnt;
5223 dds.dds_psize = zdde->zdde_ref_psize / refcnt;
5224 dds.dds_dsize = zdde->zdde_ref_dsize / refcnt;
5225
5226 dds.dds_ref_blocks = zdde->zdde_ref_blocks;
5227 dds.dds_ref_lsize = zdde->zdde_ref_lsize;
5228 dds.dds_ref_psize = zdde->zdde_ref_psize;
5229 dds.dds_ref_dsize = zdde->zdde_ref_dsize;
5230
9bd274dd
MA		 5231 ddt_stat_add(&ddh_total.ddh_stat[highbit64(refcnt) - 1],
5232 &dds, 0);
428870ff
BB		 5233
5234 umem_free(zdde, sizeof (*zdde));
5235 }
5236
5237 avl_destroy(&t);
5238
5239 ddt_histogram_stat(&dds_total, &ddh_total);
5240
5241 (void) printf("Simulated DDT histogram:\n");
5242
5243 zpool_dump_ddt(&dds_total, &ddh_total);
5244
5245 dump_dedup_ratio(&dds_total);
5246}
5247
a1d477c2
MA		 5248static int
5249verify_device_removal_feature_counts(spa_t *spa)
5250{
5251 uint64_t dr_feature_refcount = 0;
5252 uint64_t oc_feature_refcount = 0;
5253 uint64_t indirect_vdev_count = 0;
5254 uint64_t precise_vdev_count = 0;
5255 uint64_t obsolete_counts_object_count = 0;
5256 uint64_t obsolete_sm_count = 0;
5257 uint64_t obsolete_counts_count = 0;
5258 uint64_t scip_count = 0;
5259 uint64_t obsolete_bpobj_count = 0;
5260 int ret = 0;
5261
5262 spa_condensing_indirect_phys_t *scip =
5263 &spa->spa_condensing_indirect_phys;
5264 if (scip->scip_next_mapping_object != 0) {
5265 vdev_t *vd = spa->spa_root_vdev->vdev_child[scip->scip_vdev];
5266 ASSERT(scip->scip_prev_obsolete_sm_object != 0);
5267 ASSERT3P(vd->vdev_ops, ==, &vdev_indirect_ops);
5268
5269 (void) printf("Condensing indirect vdev %llu: new mapping "
5270 "object %llu, prev obsolete sm %llu\n",
5271 (u_longlong_t)scip->scip_vdev,
5272 (u_longlong_t)scip->scip_next_mapping_object,
5273 (u_longlong_t)scip->scip_prev_obsolete_sm_object);
5274 if (scip->scip_prev_obsolete_sm_object != 0) {
5275 space_map_t *prev_obsolete_sm = NULL;
5276 VERIFY0(space_map_open(&prev_obsolete_sm,
5277 spa->spa_meta_objset,
5278 scip->scip_prev_obsolete_sm_object,
5279 0, vd->vdev_asize, 0));
a1d477c2
MA		 5280 dump_spacemap(spa->spa_meta_objset, prev_obsolete_sm);
5281 (void) printf("\n");
5282 space_map_close(prev_obsolete_sm);
5283 }
5284
5285 scip_count += 2;
5286 }
5287
5288 for (uint64_t i = 0; i < spa->spa_root_vdev->vdev_children; i++) {
5289 vdev_t *vd = spa->spa_root_vdev->vdev_child[i];
5290 vdev_indirect_config_t *vic = &vd->vdev_indirect_config;
5291
5292 if (vic->vic_mapping_object != 0) {
5293 ASSERT(vd->vdev_ops == &vdev_indirect_ops ||
5294 vd->vdev_removing);
5295 indirect_vdev_count++;
5296
5297 if (vd->vdev_indirect_mapping->vim_havecounts) {
5298 obsolete_counts_count++;
5299 }
5300 }
27f80e85
BB		 5301
5302 boolean_t are_precise;
5303 VERIFY0(vdev_obsolete_counts_are_precise(vd, &are_precise));
5304 if (are_precise) {
a1d477c2
MA		 5305 ASSERT(vic->vic_mapping_object != 0);
5306 precise_vdev_count++;
5307 }
27f80e85
BB		 5308
5309 uint64_t obsolete_sm_object;
5310 VERIFY0(vdev_obsolete_sm_object(vd, &obsolete_sm_object));
5311 if (obsolete_sm_object != 0) {
a1d477c2
MA		 5312 ASSERT(vic->vic_mapping_object != 0);
5313 obsolete_sm_count++;
5314 }
5315 }
5316
5317 (void) feature_get_refcount(spa,
5318 &spa_feature_table[SPA_FEATURE_DEVICE_REMOVAL],
5319 &dr_feature_refcount);
5320 (void) feature_get_refcount(spa,
5321 &spa_feature_table[SPA_FEATURE_OBSOLETE_COUNTS],
5322 &oc_feature_refcount);
5323
5324 if (dr_feature_refcount != indirect_vdev_count) {
5325 ret = 1;
5326 (void) printf("Number of indirect vdevs (%llu) " \
5327 "does not match feature count (%llu)\n",
5328 (u_longlong_t)indirect_vdev_count,
5329 (u_longlong_t)dr_feature_refcount);
5330 } else {
5331 (void) printf("Verified device_removal feature refcount " \
5332 "of %llu is correct\n",
5333 (u_longlong_t)dr_feature_refcount);
5334 }
5335
5336 if (zap_contains(spa_meta_objset(spa), DMU_POOL_DIRECTORY_OBJECT,
5337 DMU_POOL_OBSOLETE_BPOBJ) == 0) {
5338 obsolete_bpobj_count++;
5339 }
5340
5341
5342 obsolete_counts_object_count = precise_vdev_count;
5343 obsolete_counts_object_count += obsolete_sm_count;
5344 obsolete_counts_object_count += obsolete_counts_count;
5345 obsolete_counts_object_count += scip_count;
5346 obsolete_counts_object_count += obsolete_bpobj_count;
5347 obsolete_counts_object_count += remap_deadlist_count;
5348
5349 if (oc_feature_refcount != obsolete_counts_object_count) {
5350 ret = 1;
5351 (void) printf("Number of obsolete counts objects (%llu) " \
5352 "does not match feature count (%llu)\n",
5353 (u_longlong_t)obsolete_counts_object_count,
5354 (u_longlong_t)oc_feature_refcount);
5355 (void) printf("pv:%llu os:%llu oc:%llu sc:%llu "
5356 "ob:%llu rd:%llu\n",
5357 (u_longlong_t)precise_vdev_count,
5358 (u_longlong_t)obsolete_sm_count,
5359 (u_longlong_t)obsolete_counts_count,
5360 (u_longlong_t)scip_count,
5361 (u_longlong_t)obsolete_bpobj_count,
5362 (u_longlong_t)remap_deadlist_count);
5363 } else {
5364 (void) printf("Verified indirect_refcount feature refcount " \
5365 "of %llu is correct\n",
5366 (u_longlong_t)oc_feature_refcount);
5367 }
5368 return (ret);
5369}
5370
34fe773e
OF		 5371static void
5372zdb_set_skip_mmp(char *target)
5373{
5374 spa_t *spa;
5375
5376 /*
5377 * Disable the activity check to allow examination of
5378 * active pools.
5379 */
5380 mutex_enter(&spa_namespace_lock);
5381 if ((spa = spa_lookup(target)) != NULL) {
5382 spa->spa_import_flags |= ZFS_IMPORT_SKIP_MMP;
5383 }
5384 mutex_exit(&spa_namespace_lock);
5385}
5386
d2734cce
SD		 5387#define BOGUS_SUFFIX "_CHECKPOINTED_UNIVERSE"
5388/*
5389 * Import the checkpointed state of the pool specified by the target
5390 * parameter as readonly. The function also accepts a pool config
5391 * as an optional parameter, else it attempts to infer the config by
5392 * the name of the target pool.
5393 *
5394 * Note that the checkpointed state's pool name will be the name of
ad0b23b1 5395 * the original pool with the above suffix appended to it. In addition,
d2734cce
SD		 5396 * if the target is not a pool name (e.g. a path to a dataset) then
5397 * the new_path parameter is populated with the updated path to
5398 * reflect the fact that we are looking into the checkpointed state.
5399 *
5400 * The function returns a newly-allocated copy of the name of the
5401 * pool containing the checkpointed state. When this copy is no
5402 * longer needed it should be freed with free(3C). Same thing
5403 * applies to the new_path parameter if allocated.
5404 */
5405static char *
5406import_checkpointed_state(char *target, nvlist_t *cfg, char **new_path)
5407{
5408 int error = 0;
5409 char *poolname, *bogus_name = NULL;
5410
5411 /* If the target is not a pool, the extract the pool name */
5412 char *path_start = strchr(target, '/');
5413 if (path_start != NULL) {
5414 size_t poolname_len = path_start - target;
5415 poolname = strndup(target, poolname_len);
5416 } else {
5417 poolname = target;
5418 }
5419
5420 if (cfg == NULL) {
34fe773e 5421 zdb_set_skip_mmp(poolname);
d2734cce
SD		 5422 error = spa_get_stats(poolname, &cfg, NULL, 0);
5423 if (error != 0) {
5424 fatal("Tried to read config of pool \"%s\" but "
5425 "spa_get_stats() failed with error %d\n",
5426 poolname, error);
5427 }
5428 }
5429
5430 if (asprintf(&bogus_name, "%s%s", poolname, BOGUS_SUFFIX) == -1)
5431 return (NULL);
5432 fnvlist_add_string(cfg, ZPOOL_CONFIG_POOL_NAME, bogus_name);
5433
5434 error = spa_import(bogus_name, cfg, NULL,
34fe773e
OF		 5435 ZFS_IMPORT_MISSING_LOG | ZFS_IMPORT_CHECKPOINT |
5436 ZFS_IMPORT_SKIP_MMP);
d2734cce
SD		 5437 if (error != 0) {
5438 fatal("Tried to import pool \"%s\" but spa_import() failed "
5439 "with error %d\n", bogus_name, error);
5440 }
5441
5442 if (new_path != NULL && path_start != NULL) {
5443 if (asprintf(new_path, "%s%s", bogus_name, path_start) == -1) {
5444 if (path_start != NULL)
5445 free(poolname);
5446 return (NULL);
5447 }
5448 }
5449
5450 if (target != poolname)
5451 free(poolname);
5452
5453 return (bogus_name);
5454}
5455
5456typedef struct verify_checkpoint_sm_entry_cb_arg {
5457 vdev_t *vcsec_vd;
5458
5459 /* the following fields are only used for printing progress */
5460 uint64_t vcsec_entryid;
5461 uint64_t vcsec_num_entries;
5462} verify_checkpoint_sm_entry_cb_arg_t;
5463
5464#define ENTRIES_PER_PROGRESS_UPDATE 10000
5465
5466static int
4d044c4c 5467verify_checkpoint_sm_entry_cb(space_map_entry_t *sme, void *arg)
d2734cce
SD		 5468{
5469 verify_checkpoint_sm_entry_cb_arg_t *vcsec = arg;
5470 vdev_t *vd = vcsec->vcsec_vd;
4d044c4c
SD		 5471 metaslab_t *ms = vd->vdev_ms[sme->sme_offset >> vd->vdev_ms_shift];
5472 uint64_t end = sme->sme_offset + sme->sme_run;
d2734cce 5473
4d044c4c 5474 ASSERT(sme->sme_type == SM_FREE);
d2734cce
SD		 5475
5476 if ((vcsec->vcsec_entryid % ENTRIES_PER_PROGRESS_UPDATE) == 0) {
5477 (void) fprintf(stderr,
5478 "\rverifying vdev %llu, space map entry %llu of %llu ...",
5479 (longlong_t)vd->vdev_id,
5480 (longlong_t)vcsec->vcsec_entryid,
5481 (longlong_t)vcsec->vcsec_num_entries);
5482 }
5483 vcsec->vcsec_entryid++;
5484
5485 /*
5486 * See comment in checkpoint_sm_exclude_entry_cb()
5487 */
4d044c4c 5488 VERIFY3U(sme->sme_offset, >=, ms->ms_start);
d2734cce
SD		 5489 VERIFY3U(end, <=, ms->ms_start + ms->ms_size);
5490
5491 /*
5492 * The entries in the vdev_checkpoint_sm should be marked as
5493 * allocated in the checkpointed state of the pool, therefore
5494 * their respective ms_allocateable trees should not contain them.
5495 */
5496 mutex_enter(&ms->ms_lock);
df72b8be
SD		 5497 range_tree_verify_not_present(ms->ms_allocatable,
5498 sme->sme_offset, sme->sme_run);
d2734cce
SD		 5499 mutex_exit(&ms->ms_lock);
5500
5501 return (0);
5502}
5503
5504/*
5505 * Verify that all segments in the vdev_checkpoint_sm are allocated
5506 * according to the checkpoint's ms_sm (i.e. are not in the checkpoint's
5507 * ms_allocatable).
5508 *
5509 * Do so by comparing the checkpoint space maps (vdev_checkpoint_sm) of
5510 * each vdev in the current state of the pool to the metaslab space maps
5511 * (ms_sm) of the checkpointed state of the pool.
5512 *
5513 * Note that the function changes the state of the ms_allocatable
5514 * trees of the current spa_t. The entries of these ms_allocatable
5515 * trees are cleared out and then repopulated from with the free
5516 * entries of their respective ms_sm space maps.
5517 */
5518static void
5519verify_checkpoint_vdev_spacemaps(spa_t *checkpoint, spa_t *current)
5520{
5521 vdev_t *ckpoint_rvd = checkpoint->spa_root_vdev;
5522 vdev_t *current_rvd = current->spa_root_vdev;
5523
5524 load_concrete_ms_allocatable_trees(checkpoint, SM_FREE);
5525
5526 for (uint64_t c = 0; c < ckpoint_rvd->vdev_children; c++) {
5527 vdev_t *ckpoint_vd = ckpoint_rvd->vdev_child[c];
5528 vdev_t *current_vd = current_rvd->vdev_child[c];
5529
5530 space_map_t *checkpoint_sm = NULL;
5531 uint64_t checkpoint_sm_obj;
5532
5533 if (ckpoint_vd->vdev_ops == &vdev_indirect_ops) {
5534 /*
5535 * Since we don't allow device removal in a pool
5536 * that has a checkpoint, we expect that all removed
5537 * vdevs were removed from the pool before the
5538 * checkpoint.
5539 */
5540 ASSERT3P(current_vd->vdev_ops, ==, &vdev_indirect_ops);
5541 continue;
5542 }
5543
5544 /*
5545 * If the checkpoint space map doesn't exist, then nothing
5546 * here is checkpointed so there's nothing to verify.
5547 */
5548 if (current_vd->vdev_top_zap == 0 ||
5549 zap_contains(spa_meta_objset(current),
5550 current_vd->vdev_top_zap,
5551 VDEV_TOP_ZAP_POOL_CHECKPOINT_SM) != 0)
5552 continue;
5553
5554 VERIFY0(zap_lookup(spa_meta_objset(current),
5555 current_vd->vdev_top_zap, VDEV_TOP_ZAP_POOL_CHECKPOINT_SM,
5556 sizeof (uint64_t), 1, &checkpoint_sm_obj));
5557
5558 VERIFY0(space_map_open(&checkpoint_sm, spa_meta_objset(current),
5559 checkpoint_sm_obj, 0, current_vd->vdev_asize,
5560 current_vd->vdev_ashift));
d2734cce
SD		 5561
5562 verify_checkpoint_sm_entry_cb_arg_t vcsec;
5563 vcsec.vcsec_vd = ckpoint_vd;
5564 vcsec.vcsec_entryid = 0;
5565 vcsec.vcsec_num_entries =
5566 space_map_length(checkpoint_sm) / sizeof (uint64_t);
5567 VERIFY0(space_map_iterate(checkpoint_sm,
425d3237 5568 space_map_length(checkpoint_sm),
d2734cce 5569 verify_checkpoint_sm_entry_cb, &vcsec));
e2cc448b
BB		 5570 if (dump_opt['m'] > 3)
5571 dump_spacemap(current->spa_meta_objset, checkpoint_sm);
d2734cce
SD		 5572 space_map_close(checkpoint_sm);
5573 }
5574
5575 /*
5576 * If we've added vdevs since we took the checkpoint, ensure
5577 * that their checkpoint space maps are empty.
5578 */
5579 if (ckpoint_rvd->vdev_children < current_rvd->vdev_children) {
5580 for (uint64_t c = ckpoint_rvd->vdev_children;
5581 c < current_rvd->vdev_children; c++) {
5582 vdev_t *current_vd = current_rvd->vdev_child[c];
5583 ASSERT3P(current_vd->vdev_checkpoint_sm, ==, NULL);
5584 }
5585 }
5586
5587 /* for cleaner progress output */
5588 (void) fprintf(stderr, "\n");
5589}
5590
5591/*
5592 * Verifies that all space that's allocated in the checkpoint is
5593 * still allocated in the current version, by checking that everything
5594 * in checkpoint's ms_allocatable (which is actually allocated, not
5595 * allocatable/free) is not present in current's ms_allocatable.
5596 *
5597 * Note that the function changes the state of the ms_allocatable
5598 * trees of both spas when called. The entries of all ms_allocatable
5599 * trees are cleared out and then repopulated from their respective
5600 * ms_sm space maps. In the checkpointed state we load the allocated
5601 * entries, and in the current state we load the free entries.
5602 */
5603static void
5604verify_checkpoint_ms_spacemaps(spa_t *checkpoint, spa_t *current)
5605{
5606 vdev_t *ckpoint_rvd = checkpoint->spa_root_vdev;
5607 vdev_t *current_rvd = current->spa_root_vdev;
5608
5609 load_concrete_ms_allocatable_trees(checkpoint, SM_ALLOC);
5610 load_concrete_ms_allocatable_trees(current, SM_FREE);
5611
5612 for (uint64_t i = 0; i < ckpoint_rvd->vdev_children; i++) {
5613 vdev_t *ckpoint_vd = ckpoint_rvd->vdev_child[i];
5614 vdev_t *current_vd = current_rvd->vdev_child[i];
5615
5616 if (ckpoint_vd->vdev_ops == &vdev_indirect_ops) {
5617 /*
5618 * See comment in verify_checkpoint_vdev_spacemaps()
5619 */
5620 ASSERT3P(current_vd->vdev_ops, ==, &vdev_indirect_ops);
5621 continue;
5622 }
5623
5624 for (uint64_t m = 0; m < ckpoint_vd->vdev_ms_count; m++) {
5625 metaslab_t *ckpoint_msp = ckpoint_vd->vdev_ms[m];
5626 metaslab_t *current_msp = current_vd->vdev_ms[m];
5627
5628 (void) fprintf(stderr,
5629 "\rverifying vdev %llu of %llu, "
5630 "metaslab %llu of %llu ...",
5631 (longlong_t)current_vd->vdev_id,
5632 (longlong_t)current_rvd->vdev_children,
5633 (longlong_t)current_vd->vdev_ms[m]->ms_id,
5634 (longlong_t)current_vd->vdev_ms_count);
5635
5636 /*
5637 * We walk through the ms_allocatable trees that
5638 * are loaded with the allocated blocks from the
5639 * ms_sm spacemaps of the checkpoint. For each
5640 * one of these ranges we ensure that none of them
5641 * exists in the ms_allocatable trees of the
5642 * current state which are loaded with the ranges
5643 * that are currently free.
5644 *
5645 * This way we ensure that none of the blocks that
5646 * are part of the checkpoint were freed by mistake.
5647 */
5648 range_tree_walk(ckpoint_msp->ms_allocatable,
df72b8be 5649 (range_tree_func_t *)range_tree_verify_not_present,
d2734cce
SD		 5650 current_msp->ms_allocatable);
5651 }
5652 }
5653
5654 /* for cleaner progress output */
5655 (void) fprintf(stderr, "\n");
5656}
5657
5658static void
5659verify_checkpoint_blocks(spa_t *spa)
5660{
21e7cf5d
SD		 5661 ASSERT(!dump_opt['L']);
5662
d2734cce
SD		 5663 spa_t *checkpoint_spa;
5664 char *checkpoint_pool;
5665 nvlist_t *config = NULL;
5666 int error = 0;
5667
5668 /*
5669 * We import the checkpointed state of the pool (under a different
5670 * name) so we can do verification on it against the current state
5671 * of the pool.
5672 */
5673 checkpoint_pool = import_checkpointed_state(spa->spa_name, config,
5674 NULL);
5675 ASSERT(strcmp(spa->spa_name, checkpoint_pool) != 0);
5676
5677 error = spa_open(checkpoint_pool, &checkpoint_spa, FTAG);
5678 if (error != 0) {
5679 fatal("Tried to open pool \"%s\" but spa_open() failed with "
5680 "error %d\n", checkpoint_pool, error);
5681 }
5682
5683 /*
5684 * Ensure that ranges in the checkpoint space maps of each vdev
5685 * are allocated according to the checkpointed state's metaslab
5686 * space maps.
5687 */
5688 verify_checkpoint_vdev_spacemaps(checkpoint_spa, spa);
5689
5690 /*
5691 * Ensure that allocated ranges in the checkpoint's metaslab
5692 * space maps remain allocated in the metaslab space maps of
5693 * the current state.
5694 */
5695 verify_checkpoint_ms_spacemaps(checkpoint_spa, spa);
5696
5697 /*
5698 * Once we are done, we get rid of the checkpointed state.
5699 */
5700 spa_close(checkpoint_spa, FTAG);
5701 free(checkpoint_pool);
5702}
5703
5704static void
5705dump_leftover_checkpoint_blocks(spa_t *spa)
5706{
5707 vdev_t *rvd = spa->spa_root_vdev;
5708
5709 for (uint64_t i = 0; i < rvd->vdev_children; i++) {
5710 vdev_t *vd = rvd->vdev_child[i];
5711
5712 space_map_t *checkpoint_sm = NULL;
5713 uint64_t checkpoint_sm_obj;
5714
5715 if (vd->vdev_top_zap == 0)
5716 continue;
5717
5718 if (zap_contains(spa_meta_objset(spa), vd->vdev_top_zap,
5719 VDEV_TOP_ZAP_POOL_CHECKPOINT_SM) != 0)
5720 continue;
5721
5722 VERIFY0(zap_lookup(spa_meta_objset(spa), vd->vdev_top_zap,
5723 VDEV_TOP_ZAP_POOL_CHECKPOINT_SM,
5724 sizeof (uint64_t), 1, &checkpoint_sm_obj));
5725
5726 VERIFY0(space_map_open(&checkpoint_sm, spa_meta_objset(spa),
5727 checkpoint_sm_obj, 0, vd->vdev_asize, vd->vdev_ashift));
d2734cce
SD		 5728 dump_spacemap(spa->spa_meta_objset, checkpoint_sm);
5729 space_map_close(checkpoint_sm);
5730 }
5731}
5732
5733static int
5734verify_checkpoint(spa_t *spa)
5735{
5736 uberblock_t checkpoint;
5737 int error;
5738
5739 if (!spa_feature_is_active(spa, SPA_FEATURE_POOL_CHECKPOINT))
5740 return (0);
5741
5742 error = zap_lookup(spa->spa_meta_objset, DMU_POOL_DIRECTORY_OBJECT,
5743 DMU_POOL_ZPOOL_CHECKPOINT, sizeof (uint64_t),
5744 sizeof (uberblock_t) / sizeof (uint64_t), &checkpoint);
5745
4d044c4c 5746 if (error == ENOENT && !dump_opt['L']) {
d2734cce
SD		 5747 /*
5748 * If the feature is active but the uberblock is missing
5749 * then we must be in the middle of discarding the
5750 * checkpoint.
5751 */
5752 (void) printf("\nPartially discarded checkpoint "
5753 "state found:\n");
e2cc448b
BB		 5754 if (dump_opt['m'] > 3)
5755 dump_leftover_checkpoint_blocks(spa);
d2734cce
SD		 5756 return (0);
5757 } else if (error != 0) {
5758 (void) printf("lookup error %d when looking for "
5759 "checkpointed uberblock in MOS\n", error);
5760 return (error);
5761 }
5762 dump_uberblock(&checkpoint, "\nCheckpointed uberblock found:\n", "\n");
5763
5764 if (checkpoint.ub_checkpoint_txg == 0) {
5765 (void) printf("\nub_checkpoint_txg not set in checkpointed "
5766 "uberblock\n");
5767 error = 3;
5768 }
5769
4d044c4c 5770 if (error == 0 && !dump_opt['L'])
d2734cce
SD		 5771 verify_checkpoint_blocks(spa);
5772
5773 return (error);
5774}
5775
0aa5916a
MA		 5776/* ARGSUSED */
5777static void
5778mos_leaks_cb(void *arg, uint64_t start, uint64_t size)
5779{
5780 for (uint64_t i = start; i < size; i++) {
5781 (void) printf("MOS object %llu referenced but not allocated\n",
5782 (u_longlong_t)i);
5783 }
5784}
5785
5786static void
5787mos_obj_refd(uint64_t obj)
5788{
5789 if (obj != 0 && mos_refd_objs != NULL)
5790 range_tree_add(mos_refd_objs, obj, 1);
5791}
5792
5793/*
5794 * Call on a MOS object that may already have been referenced.
5795 */
5796static void
5797mos_obj_refd_multiple(uint64_t obj)
5798{
5799 if (obj != 0 && mos_refd_objs != NULL &&
5800 !range_tree_contains(mos_refd_objs, obj, 1))
5801 range_tree_add(mos_refd_objs, obj, 1);
5802}
5803
93e28d66
SD		 5804static void
5805mos_leak_vdev_top_zap(vdev_t *vd)
5806{
5807 uint64_t ms_flush_data_obj;
5808 int error = zap_lookup(spa_meta_objset(vd->vdev_spa),
5809 vd->vdev_top_zap, VDEV_TOP_ZAP_MS_UNFLUSHED_PHYS_TXGS,
5810 sizeof (ms_flush_data_obj), 1, &ms_flush_data_obj);
5811 if (error == ENOENT)
5812 return;
5813 ASSERT0(error);
5814
5815 mos_obj_refd(ms_flush_data_obj);
5816}
5817
0aa5916a
MA		 5818static void
5819mos_leak_vdev(vdev_t *vd)
5820{
5821 mos_obj_refd(vd->vdev_dtl_object);
5822 mos_obj_refd(vd->vdev_ms_array);
0aa5916a
MA		 5823 mos_obj_refd(vd->vdev_indirect_config.vic_births_object);
5824 mos_obj_refd(vd->vdev_indirect_config.vic_mapping_object);
5825 mos_obj_refd(vd->vdev_leaf_zap);
5826 if (vd->vdev_checkpoint_sm != NULL)
5827 mos_obj_refd(vd->vdev_checkpoint_sm->sm_object);
5828 if (vd->vdev_indirect_mapping != NULL) {
5829 mos_obj_refd(vd->vdev_indirect_mapping->
5830 vim_phys->vimp_counts_object);
5831 }
5832 if (vd->vdev_obsolete_sm != NULL)
5833 mos_obj_refd(vd->vdev_obsolete_sm->sm_object);
5834
5835 for (uint64_t m = 0; m < vd->vdev_ms_count; m++) {
5836 metaslab_t *ms = vd->vdev_ms[m];
5837 mos_obj_refd(space_map_object(ms->ms_sm));
5838 }
5839
93e28d66
SD		 5840 if (vd->vdev_top_zap != 0) {
5841 mos_obj_refd(vd->vdev_top_zap);
5842 mos_leak_vdev_top_zap(vd);
5843 }
5844
0aa5916a
MA		 5845 for (uint64_t c = 0; c < vd->vdev_children; c++) {
5846 mos_leak_vdev(vd->vdev_child[c]);
5847 }
5848}
5849
93e28d66
SD		 5850static void
5851mos_leak_log_spacemaps(spa_t *spa)
5852{
5853 uint64_t spacemap_zap;
5854 int error = zap_lookup(spa_meta_objset(spa),
5855 DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_LOG_SPACEMAP_ZAP,
5856 sizeof (spacemap_zap), 1, &spacemap_zap);
5857 if (error == ENOENT)
5858 return;
5859 ASSERT0(error);
5860
5861 mos_obj_refd(spacemap_zap);
5862 for (spa_log_sm_t *sls = avl_first(&spa->spa_sm_logs_by_txg);
5863 sls; sls = AVL_NEXT(&spa->spa_sm_logs_by_txg, sls))
5864 mos_obj_refd(sls->sls_sm_obj);
5865}
5866
0aa5916a
MA		 5867static int
5868dump_mos_leaks(spa_t *spa)
5869{
5870 int rv = 0;
5871 objset_t *mos = spa->spa_meta_objset;
5872 dsl_pool_t *dp = spa->spa_dsl_pool;
5873
5874 /* Visit and mark all referenced objects in the MOS */
5875
5876 mos_obj_refd(DMU_POOL_DIRECTORY_OBJECT);
5877 mos_obj_refd(spa->spa_pool_props_object);
5878 mos_obj_refd(spa->spa_config_object);
5879 mos_obj_refd(spa->spa_ddt_stat_object);
5880 mos_obj_refd(spa->spa_feat_desc_obj);
5881 mos_obj_refd(spa->spa_feat_enabled_txg_obj);
5882 mos_obj_refd(spa->spa_feat_for_read_obj);
5883 mos_obj_refd(spa->spa_feat_for_write_obj);
5884 mos_obj_refd(spa->spa_history);
5885 mos_obj_refd(spa->spa_errlog_last);
5886 mos_obj_refd(spa->spa_errlog_scrub);
5887 mos_obj_refd(spa->spa_all_vdev_zaps);
5888 mos_obj_refd(spa->spa_dsl_pool->dp_bptree_obj);
5889 mos_obj_refd(spa->spa_dsl_pool->dp_tmp_userrefs_obj);
5890 mos_obj_refd(spa->spa_dsl_pool->dp_scan->scn_phys.scn_queue_obj);
5891 bpobj_count_refd(&spa->spa_deferred_bpobj);
5892 mos_obj_refd(dp->dp_empty_bpobj);
5893 bpobj_count_refd(&dp->dp_obsolete_bpobj);
5894 bpobj_count_refd(&dp->dp_free_bpobj);
5895 mos_obj_refd(spa->spa_l2cache.sav_object);
5896 mos_obj_refd(spa->spa_spares.sav_object);
5897
93e28d66
SD		 5898 if (spa->spa_syncing_log_sm != NULL)
5899 mos_obj_refd(spa->spa_syncing_log_sm->sm_object);
5900 mos_leak_log_spacemaps(spa);
5901
0aa5916a
MA		 5902 mos_obj_refd(spa->spa_condensing_indirect_phys.
5903 scip_next_mapping_object);
5904 mos_obj_refd(spa->spa_condensing_indirect_phys.
5905 scip_prev_obsolete_sm_object);
5906 if (spa->spa_condensing_indirect_phys.scip_next_mapping_object != 0) {
5907 vdev_indirect_mapping_t *vim =
5908 vdev_indirect_mapping_open(mos,
5909 spa->spa_condensing_indirect_phys.scip_next_mapping_object);
5910 mos_obj_refd(vim->vim_phys->vimp_counts_object);
5911 vdev_indirect_mapping_close(vim);
5912 }
37f03da8 5913 deleted_livelists_dump_mos(spa);
0aa5916a
MA		 5914
5915 if (dp->dp_origin_snap != NULL) {
5916 dsl_dataset_t *ds;
5917
5918 dsl_pool_config_enter(dp, FTAG);
5919 VERIFY0(dsl_dataset_hold_obj(dp,
5920 dsl_dataset_phys(dp->dp_origin_snap)->ds_next_snap_obj,
5921 FTAG, &ds));
5922 count_ds_mos_objects(ds);
37f03da8 5923 dump_blkptr_list(&ds->ds_deadlist, "Deadlist");
0aa5916a
MA		 5924 dsl_dataset_rele(ds, FTAG);
5925 dsl_pool_config_exit(dp, FTAG);
5926
5927 count_ds_mos_objects(dp->dp_origin_snap);
37f03da8 5928 dump_blkptr_list(&dp->dp_origin_snap->ds_deadlist, "Deadlist");
0aa5916a
MA		 5929 }
5930 count_dir_mos_objects(dp->dp_mos_dir);
5931 if (dp->dp_free_dir != NULL)
5932 count_dir_mos_objects(dp->dp_free_dir);
5933 if (dp->dp_leak_dir != NULL)
5934 count_dir_mos_objects(dp->dp_leak_dir);
5935
5936 mos_leak_vdev(spa->spa_root_vdev);
5937
5938 for (uint64_t class = 0; class < DDT_CLASSES; class++) {
5939 for (uint64_t type = 0; type < DDT_TYPES; type++) {
5940 for (uint64_t cksum = 0;
5941 cksum < ZIO_CHECKSUM_FUNCTIONS; cksum++) {
5942 ddt_t *ddt = spa->spa_ddt[cksum];
5943 mos_obj_refd(ddt->ddt_object[type][class]);
5944 }
5945 }
5946 }
5947
5948 /*
5949 * Visit all allocated objects and make sure they are referenced.
5950 */
5951 uint64_t object = 0;
5952 while (dmu_object_next(mos, &object, B_FALSE, 0) == 0) {
5953 if (range_tree_contains(mos_refd_objs, object, 1)) {
5954 range_tree_remove(mos_refd_objs, object, 1);
5955 } else {
5956 dmu_object_info_t doi;
5957 const char *name;
5958 dmu_object_info(mos, object, &doi);
5959 if (doi.doi_type & DMU_OT_NEWTYPE) {
5960 dmu_object_byteswap_t bswap =
5961 DMU_OT_BYTESWAP(doi.doi_type);
5962 name = dmu_ot_byteswap[bswap].ob_name;
5963 } else {
5964 name = dmu_ot[doi.doi_type].ot_name;
5965 }
5966
5967 (void) printf("MOS object %llu (%s) leaked\n",
5968 (u_longlong_t)object, name);
5969 rv = 2;
5970 }
5971 }
5972 (void) range_tree_walk(mos_refd_objs, mos_leaks_cb, NULL);
5973 if (!range_tree_is_empty(mos_refd_objs))
5974 rv = 2;
5975 range_tree_vacate(mos_refd_objs, NULL, NULL);
5976 range_tree_destroy(mos_refd_objs);
5977 return (rv);
5978}
5979
93e28d66
SD		 5980typedef struct log_sm_obsolete_stats_arg {
5981 uint64_t lsos_current_txg;
5982
5983 uint64_t lsos_total_entries;
5984 uint64_t lsos_valid_entries;
5985
5986 uint64_t lsos_sm_entries;
5987 uint64_t lsos_valid_sm_entries;
5988} log_sm_obsolete_stats_arg_t;
5989
5990static int
5991log_spacemap_obsolete_stats_cb(spa_t *spa, space_map_entry_t *sme,
5992 uint64_t txg, void *arg)
5993{
5994 log_sm_obsolete_stats_arg_t *lsos = arg;
5995
5996 uint64_t offset = sme->sme_offset;
5997 uint64_t vdev_id = sme->sme_vdev;
5998
5999 if (lsos->lsos_current_txg == 0) {
6000 /* this is the first log */
6001 lsos->lsos_current_txg = txg;
6002 } else if (lsos->lsos_current_txg < txg) {
6003 /* we just changed log - print stats and reset */
6004 (void) printf("%-8llu valid entries out of %-8llu - txg %llu\n",
6005 (u_longlong_t)lsos->lsos_valid_sm_entries,
6006 (u_longlong_t)lsos->lsos_sm_entries,
6007 (u_longlong_t)lsos->lsos_current_txg);
6008 lsos->lsos_valid_sm_entries = 0;
6009 lsos->lsos_sm_entries = 0;
6010 lsos->lsos_current_txg = txg;
6011 }
6012 ASSERT3U(lsos->lsos_current_txg, ==, txg);
6013
6014 lsos->lsos_sm_entries++;
6015 lsos->lsos_total_entries++;
6016
6017 vdev_t *vd = vdev_lookup_top(spa, vdev_id);
6018 if (!vdev_is_concrete(vd))
6019 return (0);
6020
6021 metaslab_t *ms = vd->vdev_ms[offset >> vd->vdev_ms_shift];
6022 ASSERT(sme->sme_type == SM_ALLOC || sme->sme_type == SM_FREE);
6023
6024 if (txg < metaslab_unflushed_txg(ms))
6025 return (0);
6026 lsos->lsos_valid_sm_entries++;
6027 lsos->lsos_valid_entries++;
6028 return (0);
6029}
6030
6031static void
6032dump_log_spacemap_obsolete_stats(spa_t *spa)
6033{
bac15c11
SD		 6034 if (!spa_feature_is_active(spa, SPA_FEATURE_LOG_SPACEMAP))
6035 return;
6036
93e28d66
SD		 6037 log_sm_obsolete_stats_arg_t lsos;
6038 bzero(&lsos, sizeof (lsos));
6039
6040 (void) printf("Log Space Map Obsolete Entry Statistics:\n");
6041
6042 iterate_through_spacemap_logs(spa,
6043 log_spacemap_obsolete_stats_cb, &lsos);
6044
6045 /* print stats for latest log */
6046 (void) printf("%-8llu valid entries out of %-8llu - txg %llu\n",
6047 (u_longlong_t)lsos.lsos_valid_sm_entries,
6048 (u_longlong_t)lsos.lsos_sm_entries,
6049 (u_longlong_t)lsos.lsos_current_txg);
6050
6051 (void) printf("%-8llu valid entries out of %-8llu - total\n\n",
6052 (u_longlong_t)lsos.lsos_valid_entries,
6053 (u_longlong_t)lsos.lsos_total_entries);
6054}
6055
34dc7c2f
BB		 6056static void
6057dump_zpool(spa_t *spa)
6058{
6059 dsl_pool_t *dp = spa_get_dsl(spa);
6060 int rc = 0;
6061
428870ff
BB		 6062 if (dump_opt['S']) {
6063 dump_simulated_ddt(spa);
6064 return;
6065 }
6066
6067 if (!dump_opt['e'] && dump_opt['C'] > 1) {
6068 (void) printf("\nCached configuration:\n");
6069 dump_nvlist(spa->spa_config, 8);
6070 }
6071
6072 if (dump_opt['C'])
6073 dump_config(spa);
6074
34dc7c2f 6075 if (dump_opt['u'])
428870ff 6076 dump_uberblock(&spa->spa_uberblock, "\nUberblock:\n", "\n");
34dc7c2f 6077
428870ff
BB		 6078 if (dump_opt['D'])
6079 dump_all_ddts(spa);
6080
6081 if (dump_opt['d'] > 2 || dump_opt['m'])
6082 dump_metaslabs(spa);
f3a7f661
GW		 6083 if (dump_opt['M'])
6084 dump_metaslab_groups(spa);
93e28d66
SD		 6085 if (dump_opt['d'] > 2 || dump_opt['m']) {
6086 dump_log_spacemaps(spa);
6087 dump_log_spacemap_obsolete_stats(spa);
6088 }
428870ff
BB		 6089
6090 if (dump_opt['d'] || dump_opt['i']) {
241b5415 6091 spa_feature_t f;
ca577779
PD		 6092 mos_refd_objs = range_tree_create(NULL, RANGE_SEG64, NULL, 0,
6093 0);
37f03da8 6094 dump_objset(dp->dp_meta_objset);
0aa5916a 6095
34dc7c2f 6096 if (dump_opt['d'] >= 3) {
a1d477c2 6097 dsl_pool_t *dp = spa->spa_dsl_pool;
252e1a54 6098 dump_full_bpobj(&spa->spa_deferred_bpobj,
d1fada1e 6099 "Deferred frees", 0);
428870ff 6100 if (spa_version(spa) >= SPA_VERSION_DEADLISTS) {
a1d477c2 6101 dump_full_bpobj(&dp->dp_free_bpobj,
d1fada1e 6102 "Pool snapshot frees", 0);
9ae529ec 6103 }
a1d477c2
MA		 6104 if (bpobj_is_open(&dp->dp_obsolete_bpobj)) {
6105 ASSERT(spa_feature_is_enabled(spa,
6106 SPA_FEATURE_DEVICE_REMOVAL));
6107 dump_full_bpobj(&dp->dp_obsolete_bpobj,
6108 "Pool obsolete blocks", 0);
6109 }
9ae529ec
CS		 6110
6111 if (spa_feature_is_active(spa,
fa86b5db 6112 SPA_FEATURE_ASYNC_DESTROY)) {
9ae529ec 6113 dump_bptree(spa->spa_meta_objset,
a1d477c2 6114 dp->dp_bptree_obj,
9ae529ec 6115 "Pool dataset frees");
428870ff 6116 }
34dc7c2f 6117 dump_dtl(spa->spa_root_vdev, 0);
34dc7c2f 6118 }
30af21b0
PD		 6119
6120 for (spa_feature_t f = 0; f < SPA_FEATURES; f++)
6121 global_feature_count[f] = UINT64_MAX;
6122 global_feature_count[SPA_FEATURE_REDACTION_BOOKMARKS] = 0;
6123 global_feature_count[SPA_FEATURE_BOOKMARK_WRITTEN] = 0;
37f03da8 6124 global_feature_count[SPA_FEATURE_LIVELIST] = 0;
30af21b0 6125
37f03da8 6126 (void) dmu_objset_find(spa_name(spa), dump_one_objset,
428870ff 6127 NULL, DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN);
f1512ee6 6128
0aa5916a
MA		 6129 if (rc == 0 && !dump_opt['L'])
6130 rc = dump_mos_leaks(spa);
6131
241b5415
MA		 6132 for (f = 0; f < SPA_FEATURES; f++) {
6133 uint64_t refcount;
6134
30af21b0 6135 uint64_t *arr;
241b5415 6136 if (!(spa_feature_table[f].fi_flags &
30af21b0
PD		 6137 ZFEATURE_FLAG_PER_DATASET)) {
6138 if (global_feature_count[f] == UINT64_MAX)
6139 continue;
6140 if (!spa_feature_is_enabled(spa, f)) {
6141 ASSERT0(global_feature_count[f]);
6142 continue;
6143 }
6144 arr = global_feature_count;
6145 } else {
6146 if (!spa_feature_is_enabled(spa, f)) {
6147 ASSERT0(dataset_feature_count[f]);
6148 continue;
6149 }
6150 arr = dataset_feature_count;
241b5415
MA		 6151 }
6152 if (feature_get_refcount(spa, &spa_feature_table[f],
6153 &refcount) == ENOTSUP)
6154 continue;
30af21b0 6155 if (arr[f] != refcount) {
241b5415 6156 (void) printf("%s feature refcount mismatch: "
30af21b0 6157 "%lld consumers != %lld refcount\n",
241b5415 6158 spa_feature_table[f].fi_uname,
30af21b0 6159 (longlong_t)arr[f], (longlong_t)refcount);
784652c1
DB		 6160 rc = 2;
6161 } else {
241b5415
MA		 6162 (void) printf("Verified %s feature refcount "
6163 "of %llu is correct\n",
6164 spa_feature_table[f].fi_uname,
784652c1
DB		 6165 (longlong_t)refcount);
6166 }
f1512ee6 6167 }
a1d477c2 6168
93e28d66 6169 if (rc == 0)
a1d477c2 6170 rc = verify_device_removal_feature_counts(spa);
34dc7c2f 6171 }
0aa5916a 6172
f1512ee6 6173 if (rc == 0 && (dump_opt['b'] || dump_opt['c']))
34dc7c2f
BB		 6174 rc = dump_block_stats(spa);
6175
93cf2076
GW		 6176 if (rc == 0)
6177 rc = verify_spacemap_refcounts(spa);
6178
34dc7c2f
BB		 6179 if (dump_opt['s'])
6180 show_pool_stats(spa);
6181
428870ff
BB		 6182 if (dump_opt['h'])
6183 dump_history(spa);
6184
4d044c4c 6185 if (rc == 0)
d2734cce
SD		 6186 rc = verify_checkpoint(spa);
6187
fa603f82
GM		 6188 if (rc != 0) {
6189 dump_debug_buffer();
34dc7c2f 6190 exit(rc);
fa603f82 6191 }
34dc7c2f
BB		 6192}
6193
6194#define ZDB_FLAG_CHECKSUM 0x0001
6195#define ZDB_FLAG_DECOMPRESS 0x0002
6196#define ZDB_FLAG_BSWAP 0x0004
6197#define ZDB_FLAG_GBH 0x0008
6198#define ZDB_FLAG_INDIRECT 0x0010
f0bf4351
PZ		 6199#define ZDB_FLAG_RAW 0x0020
6200#define ZDB_FLAG_PRINT_BLKPTR 0x0040
6201#define ZDB_FLAG_VERBOSE 0x0080
34dc7c2f 6202
867959b5 6203static int flagbits[256];
34dc7c2f
BB		 6204
6205static void
6206zdb_print_blkptr(blkptr_t *bp, int flags)
6207{
428870ff 6208 char blkbuf[BP_SPRINTF_LEN];
34dc7c2f
BB		 6209
6210 if (flags & ZDB_FLAG_BSWAP)
6211 byteswap_uint64_array((void *)bp, sizeof (blkptr_t));
428870ff 6212
b0bc7a84 6213 snprintf_blkptr(blkbuf, sizeof (blkbuf), bp);
428870ff 6214 (void) printf("%s\n", blkbuf);
34dc7c2f
BB		 6215}
6216
6217static void
6218zdb_dump_indirect(blkptr_t *bp, int nbps, int flags)
6219{
6220 int i;
6221
6222 for (i = 0; i < nbps; i++)
6223 zdb_print_blkptr(&bp[i], flags);
6224}
6225
6226static void
6227zdb_dump_gbh(void *buf, int flags)
6228{
6229 zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags);
6230}
6231
6232static void
6233zdb_dump_block_raw(void *buf, uint64_t size, int flags)
6234{
6235 if (flags & ZDB_FLAG_BSWAP)
6236 byteswap_uint64_array(buf, size);
0e5b68e0 6237 VERIFY(write(fileno(stdout), buf, size) == size);
34dc7c2f
BB		 6238}
6239
6240static void
6241zdb_dump_block(char *label, void *buf, uint64_t size, int flags)
6242{
6243 uint64_t *d = (uint64_t *)buf;
867959b5 6244 unsigned nwords = size / sizeof (uint64_t);
34dc7c2f 6245 int do_bswap = !!(flags & ZDB_FLAG_BSWAP);
867959b5
BB		 6246 unsigned i, j;
6247 const char *hdr;
6248 char *c;
34dc7c2f
BB		 6249
6250
6251 if (do_bswap)
6252 hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8";
6253 else
6254 hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f";
6255
6256 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr);
6257
a179a3aa 6258#ifdef _LITTLE_ENDIAN
4e33ba4c 6259 /* correct the endianness */
a179a3aa
CC		 6260 do_bswap = !do_bswap;
6261#endif
34dc7c2f
BB		 6262 for (i = 0; i < nwords; i += 2) {
6263 (void) printf("%06llx: %016llx %016llx ",
6264 (u_longlong_t)(i * sizeof (uint64_t)),
6265 (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]),
6266 (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1]));
6267
6268 c = (char *)&d[i];
6269 for (j = 0; j < 2 * sizeof (uint64_t); j++)
6270 (void) printf("%c", isprint(c[j]) ? c[j] : '.');
6271 (void) printf("\n");
6272 }
6273}
6274
6275/*
6276 * There are two acceptable formats:
6277 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a
6278 * child[.child]* - For example: 0.1.1
6279 *
6280 * The second form can be used to specify arbitrary vdevs anywhere
4e33ba4c 6281 * in the hierarchy. For example, in a pool with a mirror of
34dc7c2f
BB		 6282 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 .
6283 */
6284static vdev_t *
867959b5 6285zdb_vdev_lookup(vdev_t *vdev, const char *path)
34dc7c2f
BB		 6286{
6287 char *s, *p, *q;
867959b5 6288 unsigned i;
34dc7c2f
BB		 6289
6290 if (vdev == NULL)
6291 return (NULL);
6292
6293 /* First, assume the x.x.x.x format */
867959b5 6294 i = strtoul(path, &s, 10);
34dc7c2f
BB		 6295 if (s == path || (s && *s != '.' && *s != '\0'))
6296 goto name;
867959b5 6297 if (i >= vdev->vdev_children)
34dc7c2f
BB		 6298 return (NULL);
6299
6300 vdev = vdev->vdev_child[i];
aed0e9f3 6301 if (s && *s == '\0')
34dc7c2f
BB		 6302 return (vdev);
6303 return (zdb_vdev_lookup(vdev, s+1));
6304
6305name:
6306 for (i = 0; i < vdev->vdev_children; i++) {
6307 vdev_t *vc = vdev->vdev_child[i];
6308
6309 if (vc->vdev_path == NULL) {
6310 vc = zdb_vdev_lookup(vc, path);
6311 if (vc == NULL)
6312 continue;
6313 else
6314 return (vc);
6315 }
6316
6317 p = strrchr(vc->vdev_path, '/');
6318 p = p ? p + 1 : vc->vdev_path;
6319 q = &vc->vdev_path[strlen(vc->vdev_path) - 2];
6320
6321 if (strcmp(vc->vdev_path, path) == 0)
6322 return (vc);
6323 if (strcmp(p, path) == 0)
6324 return (vc);
6325 if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0)
6326 return (vc);
6327 }
6328
6329 return (NULL);
6330}
6331
f0bf4351
PZ		 6332static boolean_t
6333zdb_parse_block_sizes(char *sizes, uint64_t *lsize, uint64_t *psize)
6334{
6335 char *s0, *s1;
6336
6337 if (sizes == NULL)
6338 return (B_FALSE);
6339
6340 s0 = strtok(sizes, "/");
6341 if (s0 == NULL)
6342 return (B_FALSE);
6343 s1 = strtok(NULL, "/");
6344 *lsize = strtoull(s0, NULL, 16);
6345 *psize = s1 ? strtoull(s1, NULL, 16) : *lsize;
6346 return (*lsize >= *psize && *psize > 0);
6347}
6348
6349#define ZIO_COMPRESS_MASK(alg) (1ULL << (ZIO_COMPRESS_##alg))
6350
34dc7c2f
BB		 6351/*
6352 * Read a block from a pool and print it out. The syntax of the
6353 * block descriptor is:
6354 *
f0bf4351 6355 * pool:vdev_specifier:offset:[lsize/]psize[:flags]
34dc7c2f
BB		 6356 *
6357 * pool - The name of the pool you wish to read from
6358 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup)
6359 * offset - offset, in hex, in bytes
6360 * size - Amount of data to read, in hex, in bytes
6361 * flags - A string of characters specifying options
6362 * b: Decode a blkptr at given offset within block
894f6696 6363 * c: Calculate and display checksums
428870ff 6364 * d: Decompress data before dumping
34dc7c2f 6365 * e: Byteswap data before dumping
428870ff
BB		 6366 * g: Display data as a gang block header
6367 * i: Display as an indirect block
34dc7c2f 6368 * r: Dump raw data to stdout
f0bf4351 6369 * v: Verbose
34dc7c2f 6370 *
34dc7c2f
BB		 6371 */
6372static void
428870ff 6373zdb_read_block(char *thing, spa_t *spa)
34dc7c2f 6374{
428870ff
BB		 6375 blkptr_t blk, *bp = &blk;
6376 dva_t *dva = bp->blk_dva;
34dc7c2f 6377 int flags = 0;
f0bf4351 6378 uint64_t offset = 0, psize = 0, lsize = 0, blkptr_offset = 0;
34dc7c2f
BB		 6379 zio_t *zio;
6380 vdev_t *vd;
a6255b7f
DQ		 6381 abd_t *pabd;
6382 void *lbuf, *buf;
f0bf4351 6383 char *s, *p, *dup, *vdev, *flagstr, *sizes;
428870ff 6384 int i, error;
84c07ada 6385 boolean_t borrowed = B_FALSE;
34dc7c2f
BB		 6386
6387 dup = strdup(thing);
6388 s = strtok(dup, ":");
34dc7c2f
BB		 6389 vdev = s ? s : "";
6390 s = strtok(NULL, ":");
6391 offset = strtoull(s ? s : "", NULL, 16);
f0bf4351 6392 sizes = strtok(NULL, ":");
34dc7c2f 6393 s = strtok(NULL, ":");
f0bf4351 6394 flagstr = strdup(s ? s : "");
34dc7c2f
BB		 6395
6396 s = NULL;
f0bf4351
PZ		 6397 if (!zdb_parse_block_sizes(sizes, &lsize, &psize))
6398 s = "invalid size(s)";
6399 if (!IS_P2ALIGNED(psize, DEV_BSIZE) || !IS_P2ALIGNED(lsize, DEV_BSIZE))
34dc7c2f
BB		 6400 s = "size must be a multiple of sector size";
6401 if (!IS_P2ALIGNED(offset, DEV_BSIZE))
6402 s = "offset must be a multiple of sector size";
6403 if (s) {
6404 (void) printf("Invalid block specifier: %s - %s\n", thing, s);
867959b5 6405 free(flagstr);
34dc7c2f
BB		 6406 free(dup);
6407 return;
6408 }
6409
6410 for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) {
6411 for (i = 0; flagstr[i]; i++) {
6412 int bit = flagbits[(uchar_t)flagstr[i]];
6413
6414 if (bit == 0) {
6415 (void) printf("***Invalid flag: %c\n",
6416 flagstr[i]);
6417 continue;
6418 }
6419 flags |= bit;
6420
6421 /* If it's not something with an argument, keep going */
428870ff 6422 if ((bit & (ZDB_FLAG_CHECKSUM |
34dc7c2f
BB		 6423 ZDB_FLAG_PRINT_BLKPTR)) == 0)
6424 continue;
6425
6426 p = &flagstr[i + 1];
e989f19c 6427 if (bit == ZDB_FLAG_PRINT_BLKPTR) {
34dc7c2f 6428 blkptr_offset = strtoull(p, &p, 16);
e989f19c
TC		 6429 i = p - &flagstr[i + 1];
6430 }
34dc7c2f
BB		 6431 if (*p != ':' && *p != '\0') {
6432 (void) printf("***Invalid flag arg: '%s'\n", s);
867959b5 6433 free(flagstr);
34dc7c2f
BB		 6434 free(dup);
6435 return;
6436 }
6437 }
6438 }
867959b5 6439 free(flagstr);
34dc7c2f 6440
34dc7c2f
BB		 6441 vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev);
6442 if (vd == NULL) {
6443 (void) printf("***Invalid vdev: %s\n", vdev);
6444 free(dup);
6445 return;
6446 } else {
6447 if (vd->vdev_path)
428870ff
BB		 6448 (void) fprintf(stderr, "Found vdev: %s\n",
6449 vd->vdev_path);
34dc7c2f 6450 else
428870ff 6451 (void) fprintf(stderr, "Found vdev type: %s\n",
34dc7c2f
BB		 6452 vd->vdev_ops->vdev_op_type);
6453 }
6454
84c07ada 6455 pabd = abd_alloc_for_io(SPA_MAXBLOCKSIZE, B_FALSE);
428870ff
BB		 6456 lbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
6457
6458 BP_ZERO(bp);
34dc7c2f 6459
428870ff
BB		 6460 DVA_SET_VDEV(&dva[0], vd->vdev_id);
6461 DVA_SET_OFFSET(&dva[0], offset);
6462 DVA_SET_GANG(&dva[0], !!(flags & ZDB_FLAG_GBH));
6463 DVA_SET_ASIZE(&dva[0], vdev_psize_to_asize(vd, psize));
6464
6465 BP_SET_BIRTH(bp, TXG_INITIAL, TXG_INITIAL);
6466
6467 BP_SET_LSIZE(bp, lsize);
6468 BP_SET_PSIZE(bp, psize);
6469 BP_SET_COMPRESS(bp, ZIO_COMPRESS_OFF);
6470 BP_SET_CHECKSUM(bp, ZIO_CHECKSUM_OFF);
6471 BP_SET_TYPE(bp, DMU_OT_NONE);
6472 BP_SET_LEVEL(bp, 0);
6473 BP_SET_DEDUP(bp, 0);
6474 BP_SET_BYTEORDER(bp, ZFS_HOST_BYTEORDER);
34dc7c2f 6475
b128c09f 6476 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER);
34dc7c2f 6477 zio = zio_root(spa, NULL, NULL, 0);
428870ff
BB		 6478
6479 if (vd == vd->vdev_top) {
6480 /*
6481 * Treat this as a normal block read.
6482 */
a6255b7f 6483 zio_nowait(zio_read(zio, spa, bp, pabd, psize, NULL, NULL,
428870ff
BB		 6484 ZIO_PRIORITY_SYNC_READ,
6485 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL));
6486 } else {
6487 /*
6488 * Treat this as a vdev child I/O.
6489 */
a6255b7f
DQ		 6490 zio_nowait(zio_vdev_child_io(zio, bp, vd, offset, pabd,
6491 psize, ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ,
428870ff
BB		 6492 ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE |
6493 ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY |
a1d477c2
MA		 6494 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW | ZIO_FLAG_OPTIONAL,
6495 NULL, NULL));
428870ff
BB		 6496 }
6497
34dc7c2f 6498 error = zio_wait(zio);
b128c09f 6499 spa_config_exit(spa, SCL_STATE, FTAG);
34dc7c2f
BB		 6500
6501 if (error) {
6502 (void) printf("Read of %s failed, error: %d\n", thing, error);
6503 goto out;
6504 }
6505
428870ff
BB		 6506 if (flags & ZDB_FLAG_DECOMPRESS) {
6507 /*
6508 * We don't know how the data was compressed, so just try
6509 * every decompress function at every inflated blocksize.
6510 */
428870ff 6511 void *lbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
f0bf4351
PZ		 6512 int cfuncs[ZIO_COMPRESS_FUNCTIONS] = { 0 };
6513 int *cfuncp = cfuncs;
6514 uint64_t maxlsize = SPA_MAXBLOCKSIZE;
6515 uint64_t mask = ZIO_COMPRESS_MASK(ON) | ZIO_COMPRESS_MASK(OFF) |
6516 ZIO_COMPRESS_MASK(INHERIT) | ZIO_COMPRESS_MASK(EMPTY) |
6517 (getenv("ZDB_NO_ZLE") ? ZIO_COMPRESS_MASK(ZLE) : 0);
6518 *cfuncp++ = ZIO_COMPRESS_LZ4;
6519 *cfuncp++ = ZIO_COMPRESS_LZJB;
6520 mask |= ZIO_COMPRESS_MASK(LZ4) | ZIO_COMPRESS_MASK(LZJB);
6521 for (int c = 0; c < ZIO_COMPRESS_FUNCTIONS; c++)
6522 if (((1ULL << c) & mask) == 0)
6523 *cfuncp++ = c;
428870ff 6524
fcf64f45 6525 /*
f0bf4351
PZ		 6526 * On the one hand, with SPA_MAXBLOCKSIZE at 16MB, this
6527 * could take a while and we should let the user know
fcf64f45 6528 * we are not stuck. On the other hand, printing progress
f0bf4351
PZ		 6529 * info gets old after a while. User can specify 'v' flag
6530 * to see the progression.
fcf64f45 6531 */
f0bf4351
PZ		 6532 if (lsize == psize)
6533 lsize += SPA_MINBLOCKSIZE;
6534 else
6535 maxlsize = lsize;
6536 for (; lsize <= maxlsize; lsize += SPA_MINBLOCKSIZE) {
6537 for (cfuncp = cfuncs; *cfuncp; cfuncp++) {
6538 if (flags & ZDB_FLAG_VERBOSE) {
6539 (void) fprintf(stderr,
6540 "Trying %05llx -> %05llx (%s)\n",
6541 (u_longlong_t)psize,
6542 (u_longlong_t)lsize,
6543 zio_compress_table[*cfuncp].\
6544 ci_name);
6545 }
950e17c2
CC		 6546
6547 /*
6548 * We randomize lbuf2, and decompress to both
6549 * lbuf and lbuf2. This way, we will know if
6550 * decompression fill exactly to lsize.
6551 */
6552 VERIFY0(random_get_pseudo_bytes(lbuf2, lsize));
6553
f0bf4351 6554 if (zio_decompress_data(*cfuncp, pabd,
a6255b7f 6555 lbuf, psize, lsize) == 0 &&
f0bf4351 6556 zio_decompress_data(*cfuncp, pabd,
a6255b7f 6557 lbuf2, psize, lsize) == 0 &&
428870ff
BB		 6558 bcmp(lbuf, lbuf2, lsize) == 0)
6559 break;
6560 }
f0bf4351 6561 if (*cfuncp != 0)
428870ff 6562 break;
428870ff 6563 }
428870ff
BB		 6564 umem_free(lbuf2, SPA_MAXBLOCKSIZE);
6565
f0bf4351 6566 if (lsize > maxlsize) {
428870ff
BB		 6567 (void) printf("Decompress of %s failed\n", thing);
6568 goto out;
6569 }
6570 buf = lbuf;
f0bf4351
PZ		 6571 if (*cfuncp == ZIO_COMPRESS_ZLE) {
6572 printf("\nZLE decompression was selected. If you "
6573 "suspect the results are wrong,\ntry avoiding ZLE "
6574 "by setting and exporting ZDB_NO_ZLE=\"true\"\n");
6575 }
428870ff 6576 } else {
f0bf4351 6577 buf = abd_borrow_buf_copy(pabd, lsize);
84c07ada 6578 borrowed = B_TRUE;
428870ff
BB		 6579 }
6580
34dc7c2f
BB		 6581 if (flags & ZDB_FLAG_PRINT_BLKPTR)
6582 zdb_print_blkptr((blkptr_t *)(void *)
6583 ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags);
6584 else if (flags & ZDB_FLAG_RAW)
f0bf4351 6585 zdb_dump_block_raw(buf, lsize, flags);
34dc7c2f 6586 else if (flags & ZDB_FLAG_INDIRECT)
f0bf4351 6587 zdb_dump_indirect((blkptr_t *)buf, lsize / sizeof (blkptr_t),
34dc7c2f
BB		 6588 flags);
6589 else if (flags & ZDB_FLAG_GBH)
6590 zdb_dump_gbh(buf, flags);
6591 else
f0bf4351 6592 zdb_dump_block(thing, buf, lsize, flags);
34dc7c2f 6593
894f6696
PZ		 6594 /*
6595 * If :c was specified, iterate through the checksum table to
6596 * calculate and display each checksum for our specified
6597 * DVA and length.
6598 */
6599 if ((flags & ZDB_FLAG_CHECKSUM) && !(flags & ZDB_FLAG_RAW) &&
6600 !(flags & ZDB_FLAG_GBH)) {
6601 zio_t *czio, *cio;
6602 (void) printf("\n");
6603 for (enum zio_checksum ck = ZIO_CHECKSUM_LABEL;
6604 ck < ZIO_CHECKSUM_FUNCTIONS; ck++) {
6605
6606 if ((zio_checksum_table[ck].ci_flags &
6607 ZCHECKSUM_FLAG_EMBEDDED) ||
6608 ck == ZIO_CHECKSUM_NOPARITY) {
6609 continue;
6610 }
6611 BP_SET_CHECKSUM(bp, ck);
6612 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER);
6613 czio = zio_root(spa, NULL, NULL, ZIO_FLAG_CANFAIL);
6614 czio->io_bp = bp;
6615
6616 if (vd == vd->vdev_top) {
6617 cio = zio_read(czio, spa, bp, pabd, psize,
6618 NULL, NULL,
6619 ZIO_PRIORITY_SYNC_READ,
6620 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW |
6621 ZIO_FLAG_DONT_RETRY, NULL);
6622 zio_nowait(cio);
6623 } else {
6624 zio_nowait(zio_vdev_child_io(czio, bp, vd,
6625 offset, pabd, psize, ZIO_TYPE_READ,
6626 ZIO_PRIORITY_SYNC_READ,
6627 ZIO_FLAG_DONT_CACHE |
6628 ZIO_FLAG_DONT_PROPAGATE |
6629 ZIO_FLAG_DONT_RETRY |
6630 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW |
6631 ZIO_FLAG_SPECULATIVE |
6632 ZIO_FLAG_OPTIONAL, NULL, NULL));
6633 }
6634 error = zio_wait(czio);
6635 if (error == 0 || error == ECKSUM) {
5a089773
PZ		 6636 zio_t *ck_zio = zio_root(spa, NULL, NULL, 0);
6637 ck_zio->io_offset =
6638 DVA_GET_OFFSET(&bp->blk_dva[0]);
6639 ck_zio->io_bp = bp;
6640 zio_checksum_compute(ck_zio, ck, pabd, lsize);
894f6696
PZ		 6641 printf("%12s\tcksum=%llx:%llx:%llx:%llx\n",
6642 zio_checksum_table[ck].ci_name,
6643 (u_longlong_t)bp->blk_cksum.zc_word[0],
6644 (u_longlong_t)bp->blk_cksum.zc_word[1],
6645 (u_longlong_t)bp->blk_cksum.zc_word[2],
6646 (u_longlong_t)bp->blk_cksum.zc_word[3]);
5a089773 6647 zio_wait(ck_zio);
894f6696
PZ		 6648 } else {
6649 printf("error %d reading block\n", error);
6650 }
6651 spa_config_exit(spa, SCL_STATE, FTAG);
6652 }
6653 }
6654
84c07ada 6655 if (borrowed)
f0bf4351 6656 abd_return_buf_copy(pabd, buf, lsize);
84c07ada 6657
34dc7c2f 6658out:
a6255b7f 6659 abd_free(pabd);
428870ff 6660 umem_free(lbuf, SPA_MAXBLOCKSIZE);
34dc7c2f
BB		 6661 free(dup);
6662}
6663
a896468c
MA		 6664static void
6665zdb_embedded_block(char *thing)
6666{
6667 blkptr_t bp;
6668 unsigned long long *words = (void *)&bp;
5e3bd0e6 6669 char *buf;
a896468c
MA		 6670 int err;
6671
867959b5 6672 bzero(&bp, sizeof (bp));
a896468c
MA		 6673 err = sscanf(thing, "%llx:%llx:%llx:%llx:%llx:%llx:%llx:%llx:"
6674 "%llx:%llx:%llx:%llx:%llx:%llx:%llx:%llx",
6675 words + 0, words + 1, words + 2, words + 3,
6676 words + 4, words + 5, words + 6, words + 7,
6677 words + 8, words + 9, words + 10, words + 11,
6678 words + 12, words + 13, words + 14, words + 15);
6679 if (err != 16) {
561ba8d1 6680 (void) fprintf(stderr, "invalid input format\n");
a896468c
MA		 6681 exit(1);
6682 }
6683 ASSERT3U(BPE_GET_LSIZE(&bp), <=, SPA_MAXBLOCKSIZE);
561ba8d1
JL		 6684 buf = malloc(SPA_MAXBLOCKSIZE);
6685 if (buf == NULL) {
6686 (void) fprintf(stderr, "out of memory\n");
6687 exit(1);
6688 }
a896468c
MA		 6689 err = decode_embedded_bp(&bp, buf, BPE_GET_LSIZE(&bp));
6690 if (err != 0) {
561ba8d1 6691 (void) fprintf(stderr, "decode failed: %u\n", err);
a896468c
MA		 6692 exit(1);
6693 }
6694 zdb_dump_block_raw(buf, BPE_GET_LSIZE(&bp), 0);
561ba8d1 6695 free(buf);
a896468c
MA		 6696}
6697
34dc7c2f
BB		 6698int
6699main(int argc, char **argv)
6700{
867959b5 6701 int c;
34dc7c2f 6702 struct rlimit rl = { 1024, 1024 };
428870ff 6703 spa_t *spa = NULL;
34dc7c2f 6704 objset_t *os = NULL;
34dc7c2f
BB		 6705 int dump_all = 1;
6706 int verbose = 0;
428870ff
BB		 6707 int error = 0;
6708 char **searchdirs = NULL;
6709 int nsearch = 0;
eb9c4532 6710 char *target, *target_pool;
428870ff
BB		 6711 nvlist_t *policy = NULL;
6712 uint64_t max_txg = UINT64_MAX;
a5778ea2 6713 int flags = ZFS_IMPORT_MISSING_LOG;
428870ff 6714 int rewind = ZPOOL_NEVER_REWIND;
64d7b6cf 6715 char *spa_config_path_env;
b1b85c87 6716 boolean_t target_is_spa = B_TRUE;
d2734cce 6717 nvlist_t *cfg = NULL;
34dc7c2f
BB		 6718
6719 (void) setrlimit(RLIMIT_NOFILE, &rl);
6720 (void) enable_extended_FILE_stdio(-1, -1);
6721
6722 dprintf_setup(&argc, argv);
6723
64d7b6cf
CP		 6724 /*
6725 * If there is an environment variable SPA_CONFIG_PATH it overrides
6726 * default spa_config_path setting. If -U flag is specified it will
6727 * override this environment variable settings once again.
6728 */
6729 spa_config_path_env = getenv("SPA_CONFIG_PATH");
6730 if (spa_config_path_env != NULL)
6731 spa_config_path = spa_config_path_env;
6732
ca577779
PD		 6733 /*
6734 * For performance reasons, we set this tunable down. We do so before
6735 * the arg parsing section so that the user can override this value if
6736 * they choose.
6737 */
6738 zfs_btree_verify_intensity = 3;
6739
9867e8be 6740 while ((c = getopt(argc, argv,
64bdf63f 6741 "AbcCdDeEFGhiI:klLmMo:Op:PqRsSt:uU:vVx:XY")) != -1) {
34dc7c2f 6742 switch (c) {
34dc7c2f
BB		 6743 case 'b':
6744 case 'c':
a44e7faa 6745 case 'C':
428870ff 6746 case 'd':
a44e7faa 6747 case 'D':
a896468c 6748 case 'E':
a44e7faa 6749 case 'G':
428870ff
BB		 6750 case 'h':
6751 case 'i':
6752 case 'l':
9babb374 6753 case 'm':
f3a7f661 6754 case 'M':
a44e7faa 6755 case 'O':
34dc7c2f 6756 case 'R':
a44e7faa 6757 case 's':
428870ff 6758 case 'S':
a44e7faa 6759 case 'u':
34dc7c2f
BB		 6760 dump_opt[c]++;
6761 dump_all = 0;
6762 break;
428870ff 6763 case 'A':
a44e7faa 6764 case 'e':
428870ff 6765 case 'F':
d2734cce 6766 case 'k':
fb5f0bc8 6767 case 'L':
428870ff 6768 case 'P':
35a357a9 6769 case 'q':
a44e7faa 6770 case 'X':
fb5f0bc8
BB		 6771 dump_opt[c]++;
6772 break;
64bdf63f
BB		 6773 case 'Y':
6774 zfs_reconstruct_indirect_combinations_max = INT_MAX;
6775 zfs_deadman_enabled = 0;
6776 break;
a44e7faa 6777 /* NB: Sort single match options below. */
f3a7f661 6778 case 'I':
c8242a96
GW		 6779 max_inflight_bytes = strtoull(optarg, NULL, 0);
6780 if (max_inflight_bytes == 0) {
5853fe79 6781 (void) fprintf(stderr, "maximum number "
c8242a96 6782 "of inflight bytes must be greater "
5853fe79
GW		 6783 "than 0\n");
6784 usage();
6785 }
6786 break;
a44e7faa
BB		 6787 case 'o':
6788 error = set_global_var(optarg);
6789 if (error != 0)
6790 usage();
6791 break;
34dc7c2f 6792 case 'p':
428870ff
BB		 6793 if (searchdirs == NULL) {
6794 searchdirs = umem_alloc(sizeof (char *),
6795 UMEM_NOFAIL);
6796 } else {
6797 char **tmp = umem_alloc((nsearch + 1) *
6798 sizeof (char *), UMEM_NOFAIL);
6799 bcopy(searchdirs, tmp, nsearch *
6800 sizeof (char *));
6801 umem_free(searchdirs,
6802 nsearch * sizeof (char *));
6803 searchdirs = tmp;
6804 }
6805 searchdirs[nsearch++] = optarg;
34dc7c2f 6806 break;
fb5f0bc8 6807 case 't':
428870ff
BB		 6808 max_txg = strtoull(optarg, NULL, 0);
6809 if (max_txg < TXG_INITIAL) {
fb5f0bc8
BB		 6810 (void) fprintf(stderr, "incorrect txg "
6811 "specified: %s\n", optarg);
6812 usage();
6813 }
6814 break;
428870ff
BB		 6815 case 'U':
6816 spa_config_path = optarg;
a896468c
MA		 6817 if (spa_config_path[0] != '/') {
6818 (void) fprintf(stderr,
6819 "cachefile must be an absolute path "
6820 "(i.e. start with a slash)\n");
6821 usage();
6822 }
428870ff 6823 break;
f3a7f661
GW		 6824 case 'v':
6825 verbose++;
6826 break;
a44e7faa 6827 case 'V':
06675310 6828 flags = ZFS_IMPORT_VERBATIM;
a44e7faa 6829 break;
ed828c0c
GM		 6830 case 'x':
6831 vn_dumpdir = optarg;
6832 break;
34dc7c2f
BB		 6833 default:
6834 usage();
6835 break;
6836 }
6837 }
6838
428870ff 6839 if (!dump_opt['e'] && searchdirs != NULL) {
b128c09f
BB		 6840 (void) fprintf(stderr, "-p option requires use of -e\n");
6841 usage();
6842 }
34dc7c2f 6843
adc90e9d 6844#if defined(_LP64)
0ec07248
MA		 6845 /*
6846 * ZDB does not typically re-read blocks; therefore limit the ARC
6847 * to 256 MB, which can be used entirely for metadata.
6848 */
6849 zfs_arc_max = zfs_arc_meta_limit = 256 * 1024 * 1024;
adc90e9d 6850#endif
0ec07248 6851
e5fd1dd6
MA		 6852 /*
6853 * "zdb -c" uses checksum-verifying scrub i/os which are async reads.
6854 * "zdb -b" uses traversal prefetch which uses async reads.
6855 * For good performance, let several of them be active at once.
6856 */
6857 zfs_vdev_async_read_max_active = 10;
6858
d69a321e
GDN		 6859 /*
6860 * Disable reference tracking for better performance.
6861 */
6862 reference_tracking_enable = B_FALSE;
6863
afd2f7b7
PZ		 6864 /*
6865 * Do not fail spa_load when spa_load_verify fails. This is needed
6866 * to load non-idle pools.
6867 */
6868 spa_load_verify_dryrun = B_TRUE;
6869
da92d5cb 6870 kernel_init(SPA_MODE_READ);
34dc7c2f 6871
428870ff
BB		 6872 if (dump_all)
6873 verbose = MAX(verbose, 1);
6874
34dc7c2f 6875 for (c = 0; c < 256; c++) {
d2734cce 6876 if (dump_all && strchr("AeEFklLOPRSX", c) == NULL)
34dc7c2f
BB		 6877 dump_opt[c] = 1;
6878 if (dump_opt[c])
6879 dump_opt[c] += verbose;
6880 }
6881
428870ff
BB		 6882 aok = (dump_opt['A'] == 1) || (dump_opt['A'] > 2);
6883 zfs_recover = (dump_opt['A'] > 1);
6884
34dc7c2f
BB		 6885 argc -= optind;
6886 argv += optind;
6887
428870ff
BB		 6888 if (argc < 2 && dump_opt['R'])
6889 usage();
a896468c
MA		 6890
6891 if (dump_opt['E']) {
6892 if (argc != 1)
6893 usage();
6894 zdb_embedded_block(argv[0]);
6895 return (0);
6896 }
6897
34dc7c2f 6898 if (argc < 1) {
428870ff 6899 if (!dump_opt['e'] && dump_opt['C']) {
b128c09f 6900 dump_cachefile(spa_config_path);
34dc7c2f
BB		 6901 return (0);
6902 }
6903 usage();
6904 }
6905
35a357a9
DB		 6906 if (dump_opt['l'])
6907 return (dump_label(argv[0]));
34dc7c2f 6908
a44e7faa
BB		 6909 if (dump_opt['O']) {
6910 if (argc != 2)
6911 usage();
6912 dump_opt['v'] = verbose + 3;
6913 return (dump_path(argv[0], argv[1]));
6914 }
6915
428870ff
BB		 6916 if (dump_opt['X'] || dump_opt['F'])
6917 rewind = ZPOOL_DO_REWIND |
6918 (dump_opt['X'] ? ZPOOL_EXTREME_REWIND : 0);
34dc7c2f 6919
428870ff 6920 if (nvlist_alloc(&policy, NV_UNIQUE_NAME_TYPE, 0) != 0 ||
8a393be3
PZ		 6921 nvlist_add_uint64(policy, ZPOOL_LOAD_REQUEST_TXG, max_txg) != 0 ||
6922 nvlist_add_uint32(policy, ZPOOL_LOAD_REWIND_POLICY, rewind) != 0)
428870ff 6923 fatal("internal error: %s", strerror(ENOMEM));
34dc7c2f 6924
b128c09f 6925 error = 0;
428870ff 6926 target = argv[0];
34dc7c2f 6927
eb9c4532
CC		 6928 if (strpbrk(target, "/@") != NULL) {
6929 size_t targetlen;
6930
6931 target_pool = strdup(target);
6932 *strpbrk(target_pool, "/@") = '\0';
6933
6934 target_is_spa = B_FALSE;
6935 targetlen = strlen(target);
6936 if (targetlen && target[targetlen - 1] == '/')
6937 target[targetlen - 1] = '\0';
6938 } else {
6939 target_pool = target;
6940 }
6941
428870ff 6942 if (dump_opt['e']) {
379ca9cf 6943 importargs_t args = { 0 };
34dc7c2f 6944
379ca9cf
OF		 6945 args.paths = nsearch;
6946 args.path = searchdirs;
6947 args.can_be_active = B_TRUE;
6948
e89f1295
DB		 6949 error = zpool_find_config(NULL, target_pool, &cfg, &args,
6950 &libzpool_config_ops);
eb9c4532 6951
379ca9cf 6952 if (error == 0) {
eb9c4532 6953
428870ff 6954 if (nvlist_add_nvlist(cfg,
8a393be3 6955 ZPOOL_LOAD_POLICY, policy) != 0) {
428870ff
BB		 6956 fatal("can't open '%s': %s",
6957 target, strerror(ENOMEM));
6958 }
379ca9cf 6959
379ca9cf
OF		 6960 if (dump_opt['C'] > 1) {
6961 (void) printf("\nConfiguration for import:\n");
6962 dump_nvlist(cfg, 8);
6963 }
d2734cce 6964
34fe773e
OF		 6965 /*
6966 * Disable the activity check to allow examination of
6967 * active pools.
6968 */
eb9c4532 6969 error = spa_import(target_pool, cfg, NULL,
379ca9cf 6970 flags | ZFS_IMPORT_SKIP_MMP);
34dc7c2f 6971 }
b128c09f
BB		 6972 }
6973
0a544c17
SD		 6974 /*
6975 * import_checkpointed_state makes the assumption that the
6976 * target pool that we pass it is already part of the spa
6977 * namespace. Because of that we need to make sure to call
6978 * it always after the -e option has been processed, which
6979 * imports the pool to the namespace if it's not in the
6980 * cachefile.
6981 */
6982 char *checkpoint_pool = NULL;
6983 char *checkpoint_target = NULL;
6984 if (dump_opt['k']) {
6985 checkpoint_pool = import_checkpointed_state(target, cfg,
6986 &checkpoint_target);
6987
6988 if (checkpoint_target != NULL)
6989 target = checkpoint_target;
6990 }
6991
eb9c4532
CC		 6992 if (target_pool != target)
6993 free(target_pool);
b1b85c87 6994
b128c09f 6995 if (error == 0) {
d2734cce
SD		 6996 if (dump_opt['k'] && (target_is_spa || dump_opt['R'])) {
6997 ASSERT(checkpoint_pool != NULL);
6998 ASSERT(checkpoint_target == NULL);
6999
7000 error = spa_open(checkpoint_pool, &spa, FTAG);
7001 if (error != 0) {
7002 fatal("Tried to open pool \"%s\" but "
7003 "spa_open() failed with error %d\n",
7004 checkpoint_pool, error);
7005 }
7006
7007 } else if (target_is_spa || dump_opt['R']) {
34fe773e 7008 zdb_set_skip_mmp(target);
428870ff
BB		 7009 error = spa_open_rewind(target, &spa, FTAG, policy,
7010 NULL);
7011 if (error) {
7012 /*
7013 * If we're missing the log device then
7014 * try opening the pool after clearing the
7015 * log state.
7016 */
7017 mutex_enter(&spa_namespace_lock);
7018 if ((spa = spa_lookup(target)) != NULL &&
7019 spa->spa_log_state == SPA_LOG_MISSING) {
7020 spa->spa_log_state = SPA_LOG_CLEAR;
7021 error = 0;
7022 }
7023 mutex_exit(&spa_namespace_lock);
7024
7025 if (!error) {
7026 error = spa_open_rewind(target, &spa,
7027 FTAG, policy, NULL);
7028 }
7029 }
30af21b0
PD		 7030 } else if (strpbrk(target, "#") != NULL) {
7031 dsl_pool_t *dp;
7032 error = dsl_pool_hold(target, FTAG, &dp);
7033 if (error != 0) {
7034 fatal("can't dump '%s': %s", target,
7035 strerror(error));
7036 }
7037 error = dump_bookmark(dp, target, B_TRUE, verbose > 1);
7038 dsl_pool_rele(dp, FTAG);
7039 if (error != 0) {
7040 fatal("can't dump '%s': %s", target,
7041 strerror(error));
7042 }
7043 return (error);
b128c09f 7044 } else {
34fe773e 7045 zdb_set_skip_mmp(target);
30af21b0 7046 error = open_objset(target, FTAG, &os);
bb253625
BB		 7047 if (error == 0)
7048 spa = dmu_objset_spa(os);
b128c09f 7049 }
34dc7c2f 7050 }
428870ff 7051 nvlist_free(policy);
34dc7c2f
BB		 7052
7053 if (error)
428870ff 7054 fatal("can't open '%s': %s", target, strerror(error));
34dc7c2f 7055
bb253625
BB		 7056 /*
7057 * Set the pool failure mode to panic in order to prevent the pool
7058 * from suspending. A suspended I/O will have no way to resume and
7059 * can prevent the zdb(8) command from terminating as expected.
7060 */
7061 if (spa != NULL)
7062 spa->spa_failmode = ZIO_FAILURE_MODE_PANIC;
7063
34dc7c2f 7064 argv++;
428870ff
BB		 7065 argc--;
7066 if (!dump_opt['R']) {
7067 if (argc > 0) {
7068 zopt_objects = argc;
7069 zopt_object = calloc(zopt_objects, sizeof (uint64_t));
867959b5 7070 for (unsigned i = 0; i < zopt_objects; i++) {
428870ff
BB		 7071 errno = 0;
7072 zopt_object[i] = strtoull(argv[i], NULL, 0);
7073 if (zopt_object[i] == 0 && errno != 0)
7074 fatal("bad number %s: %s",
7075 argv[i], strerror(errno));
7076 }
34dc7c2f 7077 }
e6f7d015 7078 if (os != NULL) {
37f03da8 7079 dump_objset(os);
e6f7d015 7080 } else if (zopt_objects > 0 && !dump_opt['m']) {
37f03da8 7081 dump_objset(spa->spa_meta_objset);
e6f7d015
CS		 7082 } else {
7083 dump_zpool(spa);
7084 }
34dc7c2f 7085 } else {
428870ff
BB		 7086 flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR;
7087 flagbits['c'] = ZDB_FLAG_CHECKSUM;
7088 flagbits['d'] = ZDB_FLAG_DECOMPRESS;
7089 flagbits['e'] = ZDB_FLAG_BSWAP;
7090 flagbits['g'] = ZDB_FLAG_GBH;
7091 flagbits['i'] = ZDB_FLAG_INDIRECT;
428870ff 7092 flagbits['r'] = ZDB_FLAG_RAW;
f0bf4351 7093 flagbits['v'] = ZDB_FLAG_VERBOSE;
428870ff 7094
867959b5 7095 for (int i = 0; i < argc; i++)
428870ff 7096 zdb_read_block(argv[i], spa);
34dc7c2f
BB		 7097 }
7098
d2734cce
SD		 7099 if (dump_opt['k']) {
7100 free(checkpoint_pool);
7101 if (!target_is_spa)
7102 free(checkpoint_target);
7103 }
7104
30af21b0 7105 if (os != NULL) {
a44e7faa 7106 close_objset(os, FTAG);
30af21b0 7107 } else {
a44e7faa 7108 spa_close(spa, FTAG);
30af21b0 7109 }
428870ff 7110
34dc7c2f
BB		 7111 fuid_table_destroy();
7112
fa603f82
GM		 7113 dump_debug_buffer();
7114
34dc7c2f
BB		 7115 kernel_fini();
7116
64c1dcef 7117 return (error);
34dc7c2f 7118}
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