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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.
5dbd68a3 24 * Copyright (c) 2011, 2014 by Delphix. All rights reserved.
34dc7c2f
BB		 25 */
26
34dc7c2f 27#include <stdio.h>
d5869641 28#include <unistd.h>
34dc7c2f
BB		 29#include <stdio_ext.h>
30#include <stdlib.h>
31#include <ctype.h>
32#include <sys/zfs_context.h>
33#include <sys/spa.h>
34#include <sys/spa_impl.h>
35#include <sys/dmu.h>
36#include <sys/zap.h>
37#include <sys/fs/zfs.h>
38#include <sys/zfs_znode.h>
428870ff
BB		 39#include <sys/zfs_sa.h>
40#include <sys/sa.h>
41#include <sys/sa_impl.h>
34dc7c2f
BB		 42#include <sys/vdev.h>
43#include <sys/vdev_impl.h>
44#include <sys/metaslab_impl.h>
45#include <sys/dmu_objset.h>
46#include <sys/dsl_dir.h>
47#include <sys/dsl_dataset.h>
48#include <sys/dsl_pool.h>
49#include <sys/dbuf.h>
50#include <sys/zil.h>
51#include <sys/zil_impl.h>
52#include <sys/stat.h>
53#include <sys/resource.h>
54#include <sys/dmu_traverse.h>
55#include <sys/zio_checksum.h>
56#include <sys/zio_compress.h>
57#include <sys/zfs_fuid.h>
b128c09f 58#include <sys/arc.h>
428870ff 59#include <sys/ddt.h>
9ae529ec 60#include <sys/zfeature.h>
6f1ffb06 61#include <zfs_comutil.h>
34dc7c2f 62#undef ZFS_MAXNAMELEN
34dc7c2f
BB		 63#include <libzfs.h>
64
e6f7d015
CS		 65#define ZDB_COMPRESS_NAME(idx) ((idx) < ZIO_COMPRESS_FUNCTIONS ? \
66 zio_compress_table[(idx)].ci_name : "UNKNOWN")
67#define ZDB_CHECKSUM_NAME(idx) ((idx) < ZIO_CHECKSUM_FUNCTIONS ? \
68 zio_checksum_table[(idx)].ci_name : "UNKNOWN")
69#define ZDB_OT_NAME(idx) ((idx) < DMU_OT_NUMTYPES ? \
70 dmu_ot[(idx)].ot_name : DMU_OT_IS_VALID(idx) ? \
71 dmu_ot_byteswap[DMU_OT_BYTESWAP(idx)].ob_name : "UNKNOWN")
72#define ZDB_OT_TYPE(idx) ((idx) < DMU_OT_NUMTYPES ? (idx) : \
73 (((idx) == DMU_OTN_ZAP_DATA || (idx) == DMU_OTN_ZAP_METADATA) ? \
74 DMU_OT_ZAP_OTHER : DMU_OT_NUMTYPES))
428870ff
BB		 75
76#ifndef lint
77extern int zfs_recover;
78#else
79int zfs_recover;
80#endif
81
34dc7c2f
BB		 82const char cmdname[] = "zdb";
83uint8_t dump_opt[256];
84
85typedef void object_viewer_t(objset_t *, uint64_t, void *data, size_t size);
86
87extern void dump_intent_log(zilog_t *);
88uint64_t *zopt_object = NULL;
89int zopt_objects = 0;
34dc7c2f 90libzfs_handle_t *g_zfs;
5853fe79 91uint64_t max_inflight = 200;
34dc7c2f
BB		 92
93/*
94 * These libumem hooks provide a reasonable set of defaults for the allocator's
95 * debugging facilities.
96 */
97const char *
0bc8fd78 98_umem_debug_init(void)
34dc7c2f
BB		 99{
100 return ("default,verbose"); /* $UMEM_DEBUG setting */
101}
102
103const char *
104_umem_logging_init(void)
105{
106 return ("fail,contents"); /* $UMEM_LOGGING setting */
107}
108
109static void
110usage(void)
111{
112 (void) fprintf(stderr,
dd4769ad 113 "Usage: %s [-CumdibcsDvhLXFPA] [-t txg] [-e [-p path...]] "
5853fe79
GW		 114 "[-U config] [-M inflight I/Os] poolname [object...]\n"
115 " %s [-divPA] [-e -p path...] [-U config] dataset "
116 "[object...]\n"
117 " %s -m [-LXFPA] [-t txg] [-e [-p path...]] [-U config] "
dd4769ad
RL		 118 "poolname [vdev [metaslab...]]\n"
119 " %s -R [-A] [-e [-p path...]] poolname "
120 "vdev:offset:size[:flags]\n"
5853fe79 121 " %s -S [-PA] [-e [-p path...]] [-U config] poolname\n"
dd4769ad
RL		 122 " %s -l [-uA] device\n"
123 " %s -C [-A] [-U config]\n\n",
428870ff
BB		 124 cmdname, cmdname, cmdname, cmdname, cmdname, cmdname, cmdname);
125
126 (void) fprintf(stderr, " Dataset name must include at least one "
127 "separator character '/' or '@'\n");
128 (void) fprintf(stderr, " If dataset name is specified, only that "
129 "dataset is dumped\n");
130 (void) fprintf(stderr, " If object numbers are specified, only "
131 "those objects are dumped\n\n");
132 (void) fprintf(stderr, " Options to control amount of output:\n");
133 (void) fprintf(stderr, " -u uberblock\n");
134 (void) fprintf(stderr, " -d dataset(s)\n");
135 (void) fprintf(stderr, " -i intent logs\n");
136 (void) fprintf(stderr, " -C config (or cachefile if alone)\n");
137 (void) fprintf(stderr, " -h pool history\n");
138 (void) fprintf(stderr, " -b block statistics\n");
139 (void) fprintf(stderr, " -m metaslabs\n");
140 (void) fprintf(stderr, " -c checksum all metadata (twice for "
9babb374 141 "all data) blocks\n");
428870ff
BB		 142 (void) fprintf(stderr, " -s report stats on zdb's I/O\n");
143 (void) fprintf(stderr, " -D dedup statistics\n");
144 (void) fprintf(stderr, " -S simulate dedup to measure effect\n");
145 (void) fprintf(stderr, " -v verbose (applies to all others)\n");
34dc7c2f 146 (void) fprintf(stderr, " -l dump label contents\n");
fb5f0bc8
BB		 147 (void) fprintf(stderr, " -L disable leak tracking (do not "
148 "load spacemaps)\n");
34dc7c2f 149 (void) fprintf(stderr, " -R read and display block from a "
428870ff
BB		 150 "device\n\n");
151 (void) fprintf(stderr, " Below options are intended for use "
152 "with other options (except -l):\n");
153 (void) fprintf(stderr, " -A ignore assertions (-A), enable "
154 "panic recovery (-AA) or both (-AAA)\n");
155 (void) fprintf(stderr, " -F attempt automatic rewind within "
156 "safe range of transaction groups\n");
157 (void) fprintf(stderr, " -U <cachefile_path> -- use alternate "
158 "cachefile\n");
159 (void) fprintf(stderr, " -X attempt extreme rewind (does not "
160 "work with dataset)\n");
161 (void) fprintf(stderr, " -e pool is exported/destroyed/"
162 "has altroot/not in a cachefile\n");
163 (void) fprintf(stderr, " -p <path> -- use one or more with "
164 "-e to specify path to vdev dir\n");
dd4769ad 165 (void) fprintf(stderr, " -P print numbers in parseable form\n");
428870ff 166 (void) fprintf(stderr, " -t <txg> -- highest txg to use when "
fb5f0bc8 167 "searching for uberblocks\n");
5853fe79 168 (void) fprintf(stderr, " -M <number of inflight I/Os> -- "
d1d7e268
MK		 169 "specify the maximum number of checksumming I/Os "
170 "[default is 200]\n");
34dc7c2f
BB		 171 (void) fprintf(stderr, "Specify an option more than once (e.g. -bb) "
172 "to make only that option verbose\n");
173 (void) fprintf(stderr, "Default is to dump everything non-verbosely\n");
174 exit(1);
175}
176
9babb374
BB		 177/*
178 * Called for usage errors that are discovered after a call to spa_open(),
179 * dmu_bonus_hold(), or pool_match(). abort() is called for other errors.
180 */
181
34dc7c2f
BB		 182static void
183fatal(const char *fmt, ...)
184{
185 va_list ap;
186
187 va_start(ap, fmt);
188 (void) fprintf(stderr, "%s: ", cmdname);
189 (void) vfprintf(stderr, fmt, ap);
190 va_end(ap);
191 (void) fprintf(stderr, "\n");
192
9babb374 193 exit(1);
34dc7c2f
BB		 194}
195
34dc7c2f
BB		 196/* ARGSUSED */
197static void
198dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size)
199{
200 nvlist_t *nv;
201 size_t nvsize = *(uint64_t *)data;
202 char *packed = umem_alloc(nvsize, UMEM_NOFAIL);
203
9babb374 204 VERIFY(0 == dmu_read(os, object, 0, nvsize, packed, DMU_READ_PREFETCH));
34dc7c2f
BB		 205
206 VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0);
207
208 umem_free(packed, nvsize);
209
210 dump_nvlist(nv, 8);
211
212 nvlist_free(nv);
213}
214
6f1ffb06
MA		 215/* ARGSUSED */
216static void
217dump_history_offsets(objset_t *os, uint64_t object, void *data, size_t size)
218{
219 spa_history_phys_t *shp = data;
220
221 if (shp == NULL)
222 return;
223
224 (void) printf("\t\tpool_create_len = %llu\n",
225 (u_longlong_t)shp->sh_pool_create_len);
226 (void) printf("\t\tphys_max_off = %llu\n",
227 (u_longlong_t)shp->sh_phys_max_off);
228 (void) printf("\t\tbof = %llu\n",
229 (u_longlong_t)shp->sh_bof);
230 (void) printf("\t\teof = %llu\n",
231 (u_longlong_t)shp->sh_eof);
232 (void) printf("\t\trecords_lost = %llu\n",
233 (u_longlong_t)shp->sh_records_lost);
234}
235
428870ff
BB		 236static void
237zdb_nicenum(uint64_t num, char *buf)
238{
239 if (dump_opt['P'])
240 (void) sprintf(buf, "%llu", (longlong_t)num);
241 else
242 nicenum(num, buf);
243}
244
d5869641
MA		 245const char histo_stars[] = "****************************************";
246const int histo_width = sizeof (histo_stars) - 1;
34dc7c2f
BB		 247
248static void
93cf2076 249dump_histogram(const uint64_t *histo, int size, int offset)
34dc7c2f
BB		 250{
251 int i;
d5869641 252 int minidx = size - 1;
34dc7c2f
BB		 253 int maxidx = 0;
254 uint64_t max = 0;
255
d5869641 256 for (i = 0; i < size; i++) {
34dc7c2f
BB		 257 if (histo[i] > max)
258 max = histo[i];
259 if (histo[i] > 0 && i > maxidx)
260 maxidx = i;
261 if (histo[i] > 0 && i < minidx)
262 minidx = i;
263 }
264
d5869641
MA		 265 if (max < histo_width)
266 max = histo_width;
34dc7c2f 267
d5869641
MA		 268 for (i = minidx; i <= maxidx; i++) {
269 (void) printf("\t\t\t%3u: %6llu %s\n",
93cf2076 270 i + offset, (u_longlong_t)histo[i],
d5869641
MA		 271 &histo_stars[(max - histo[i]) * histo_width / max]);
272 }
34dc7c2f
BB		 273}
274
275static void
276dump_zap_stats(objset_t *os, uint64_t object)
277{
278 int error;
279 zap_stats_t zs;
280
281 error = zap_get_stats(os, object, &zs);
282 if (error)
283 return;
284
285 if (zs.zs_ptrtbl_len == 0) {
286 ASSERT(zs.zs_num_blocks == 1);
287 (void) printf("\tmicrozap: %llu bytes, %llu entries\n",
288 (u_longlong_t)zs.zs_blocksize,
289 (u_longlong_t)zs.zs_num_entries);
290 return;
291 }
292
293 (void) printf("\tFat ZAP stats:\n");
294
295 (void) printf("\t\tPointer table:\n");
296 (void) printf("\t\t\t%llu elements\n",
297 (u_longlong_t)zs.zs_ptrtbl_len);
298 (void) printf("\t\t\tzt_blk: %llu\n",
299 (u_longlong_t)zs.zs_ptrtbl_zt_blk);
300 (void) printf("\t\t\tzt_numblks: %llu\n",
301 (u_longlong_t)zs.zs_ptrtbl_zt_numblks);
302 (void) printf("\t\t\tzt_shift: %llu\n",
303 (u_longlong_t)zs.zs_ptrtbl_zt_shift);
304 (void) printf("\t\t\tzt_blks_copied: %llu\n",
305 (u_longlong_t)zs.zs_ptrtbl_blks_copied);
306 (void) printf("\t\t\tzt_nextblk: %llu\n",
307 (u_longlong_t)zs.zs_ptrtbl_nextblk);
308
309 (void) printf("\t\tZAP entries: %llu\n",
310 (u_longlong_t)zs.zs_num_entries);
311 (void) printf("\t\tLeaf blocks: %llu\n",
312 (u_longlong_t)zs.zs_num_leafs);
313 (void) printf("\t\tTotal blocks: %llu\n",
314 (u_longlong_t)zs.zs_num_blocks);
315 (void) printf("\t\tzap_block_type: 0x%llx\n",
316 (u_longlong_t)zs.zs_block_type);
317 (void) printf("\t\tzap_magic: 0x%llx\n",
318 (u_longlong_t)zs.zs_magic);
319 (void) printf("\t\tzap_salt: 0x%llx\n",
320 (u_longlong_t)zs.zs_salt);
321
322 (void) printf("\t\tLeafs with 2^n pointers:\n");
93cf2076 323 dump_histogram(zs.zs_leafs_with_2n_pointers, ZAP_HISTOGRAM_SIZE, 0);
34dc7c2f
BB		 324
325 (void) printf("\t\tBlocks with n*5 entries:\n");
93cf2076 326 dump_histogram(zs.zs_blocks_with_n5_entries, ZAP_HISTOGRAM_SIZE, 0);
34dc7c2f
BB		 327
328 (void) printf("\t\tBlocks n/10 full:\n");
93cf2076 329 dump_histogram(zs.zs_blocks_n_tenths_full, ZAP_HISTOGRAM_SIZE, 0);
34dc7c2f
BB		 330
331 (void) printf("\t\tEntries with n chunks:\n");
93cf2076 332 dump_histogram(zs.zs_entries_using_n_chunks, ZAP_HISTOGRAM_SIZE, 0);
34dc7c2f
BB		 333
334 (void) printf("\t\tBuckets with n entries:\n");
93cf2076 335 dump_histogram(zs.zs_buckets_with_n_entries, ZAP_HISTOGRAM_SIZE, 0);
34dc7c2f
BB		 336}
337
338/*ARGSUSED*/
339static void
340dump_none(objset_t *os, uint64_t object, void *data, size_t size)
341{
342}
343
428870ff
BB		 344/*ARGSUSED*/
345static void
346dump_unknown(objset_t *os, uint64_t object, void *data, size_t size)
347{
348 (void) printf("\tUNKNOWN OBJECT TYPE\n");
349}
350
34dc7c2f
BB		 351/*ARGSUSED*/
352void
353dump_uint8(objset_t *os, uint64_t object, void *data, size_t size)
354{
355}
356
357/*ARGSUSED*/
358static void
359dump_uint64(objset_t *os, uint64_t object, void *data, size_t size)
360{
361}
362
363/*ARGSUSED*/
364static void
365dump_zap(objset_t *os, uint64_t object, void *data, size_t size)
366{
367 zap_cursor_t zc;
368 zap_attribute_t attr;
369 void *prop;
370 int i;
371
372 dump_zap_stats(os, object);
373 (void) printf("\n");
374
375 for (zap_cursor_init(&zc, os, object);
376 zap_cursor_retrieve(&zc, &attr) == 0;
377 zap_cursor_advance(&zc)) {
378 (void) printf("\t\t%s = ", attr.za_name);
379 if (attr.za_num_integers == 0) {
380 (void) printf("\n");
381 continue;
382 }
383 prop = umem_zalloc(attr.za_num_integers *
384 attr.za_integer_length, UMEM_NOFAIL);
385 (void) zap_lookup(os, object, attr.za_name,
386 attr.za_integer_length, attr.za_num_integers, prop);
387 if (attr.za_integer_length == 1) {
388 (void) printf("%s", (char *)prop);
389 } else {
390 for (i = 0; i < attr.za_num_integers; i++) {
391 switch (attr.za_integer_length) {
392 case 2:
393 (void) printf("%u ",
394 ((uint16_t *)prop)[i]);
395 break;
396 case 4:
397 (void) printf("%u ",
398 ((uint32_t *)prop)[i]);
399 break;
400 case 8:
401 (void) printf("%lld ",
402 (u_longlong_t)((int64_t *)prop)[i]);
403 break;
404 }
405 }
406 }
407 (void) printf("\n");
408 umem_free(prop, attr.za_num_integers * attr.za_integer_length);
409 }
410 zap_cursor_fini(&zc);
411}
412
428870ff
BB		 413/*ARGSUSED*/
414static void
415dump_ddt_zap(objset_t *os, uint64_t object, void *data, size_t size)
416{
417 dump_zap_stats(os, object);
418 /* contents are printed elsewhere, properly decoded */
419}
420
421/*ARGSUSED*/
422static void
423dump_sa_attrs(objset_t *os, uint64_t object, void *data, size_t size)
424{
425 zap_cursor_t zc;
426 zap_attribute_t attr;
427
428 dump_zap_stats(os, object);
429 (void) printf("\n");
430
431 for (zap_cursor_init(&zc, os, object);
432 zap_cursor_retrieve(&zc, &attr) == 0;
433 zap_cursor_advance(&zc)) {
434 (void) printf("\t\t%s = ", attr.za_name);
435 if (attr.za_num_integers == 0) {
436 (void) printf("\n");
437 continue;
438 }
439 (void) printf(" %llx : [%d:%d:%d]\n",
440 (u_longlong_t)attr.za_first_integer,
441 (int)ATTR_LENGTH(attr.za_first_integer),
442 (int)ATTR_BSWAP(attr.za_first_integer),
443 (int)ATTR_NUM(attr.za_first_integer));
444 }
445 zap_cursor_fini(&zc);
446}
447
448/*ARGSUSED*/
449static void
450dump_sa_layouts(objset_t *os, uint64_t object, void *data, size_t size)
451{
452 zap_cursor_t zc;
453 zap_attribute_t attr;
454 uint16_t *layout_attrs;
455 int i;
456
457 dump_zap_stats(os, object);
458 (void) printf("\n");
459
460 for (zap_cursor_init(&zc, os, object);
461 zap_cursor_retrieve(&zc, &attr) == 0;
462 zap_cursor_advance(&zc)) {
463 (void) printf("\t\t%s = [", attr.za_name);
464 if (attr.za_num_integers == 0) {
465 (void) printf("\n");
466 continue;
467 }
468
469 VERIFY(attr.za_integer_length == 2);
470 layout_attrs = umem_zalloc(attr.za_num_integers *
471 attr.za_integer_length, UMEM_NOFAIL);
472
473 VERIFY(zap_lookup(os, object, attr.za_name,
474 attr.za_integer_length,
475 attr.za_num_integers, layout_attrs) == 0);
476
477 for (i = 0; i != attr.za_num_integers; i++)
478 (void) printf(" %d ", (int)layout_attrs[i]);
479 (void) printf("]\n");
480 umem_free(layout_attrs,
481 attr.za_num_integers * attr.za_integer_length);
482 }
483 zap_cursor_fini(&zc);
484}
485
34dc7c2f
BB		 486/*ARGSUSED*/
487static void
488dump_zpldir(objset_t *os, uint64_t object, void *data, size_t size)
489{
490 zap_cursor_t zc;
491 zap_attribute_t attr;
492 const char *typenames[] = {
493 /* 0 */ "not specified",
494 /* 1 */ "FIFO",
495 /* 2 */ "Character Device",
496 /* 3 */ "3 (invalid)",
497 /* 4 */ "Directory",
498 /* 5 */ "5 (invalid)",
499 /* 6 */ "Block Device",
500 /* 7 */ "7 (invalid)",
501 /* 8 */ "Regular File",
502 /* 9 */ "9 (invalid)",
503 /* 10 */ "Symbolic Link",
504 /* 11 */ "11 (invalid)",
505 /* 12 */ "Socket",
506 /* 13 */ "Door",
507 /* 14 */ "Event Port",
508 /* 15 */ "15 (invalid)",
509 };
510
511 dump_zap_stats(os, object);
512 (void) printf("\n");
513
514 for (zap_cursor_init(&zc, os, object);
515 zap_cursor_retrieve(&zc, &attr) == 0;
516 zap_cursor_advance(&zc)) {
517 (void) printf("\t\t%s = %lld (type: %s)\n",
518 attr.za_name, ZFS_DIRENT_OBJ(attr.za_first_integer),
519 typenames[ZFS_DIRENT_TYPE(attr.za_first_integer)]);
520 }
521 zap_cursor_fini(&zc);
522}
523
93cf2076
GW		 524int
525get_dtl_refcount(vdev_t *vd)
526{
527 int refcount = 0;
528 int c;
529
530 if (vd->vdev_ops->vdev_op_leaf) {
531 space_map_t *sm = vd->vdev_dtl_sm;
532
533 if (sm != NULL &&
534 sm->sm_dbuf->db_size == sizeof (space_map_phys_t))
535 return (1);
536 return (0);
537 }
538
539 for (c = 0; c < vd->vdev_children; c++)
540 refcount += get_dtl_refcount(vd->vdev_child[c]);
541 return (refcount);
542}
543
544int
545get_metaslab_refcount(vdev_t *vd)
546{
547 int refcount = 0;
548 int c, m;
549
550 if (vd->vdev_top == vd) {
551 for (m = 0; m < vd->vdev_ms_count; m++) {
552 space_map_t *sm = vd->vdev_ms[m]->ms_sm;
553
554 if (sm != NULL &&
555 sm->sm_dbuf->db_size == sizeof (space_map_phys_t))
556 refcount++;
557 }
558 }
559 for (c = 0; c < vd->vdev_children; c++)
560 refcount += get_metaslab_refcount(vd->vdev_child[c]);
561
562 return (refcount);
563}
564
565static int
566verify_spacemap_refcounts(spa_t *spa)
567{
fa86b5db
MA		 568 uint64_t expected_refcount = 0;
569 uint64_t actual_refcount;
93cf2076 570
fa86b5db
MA		 571 (void) feature_get_refcount(spa,
572 &spa_feature_table[SPA_FEATURE_SPACEMAP_HISTOGRAM],
573 &expected_refcount);
93cf2076
GW		 574 actual_refcount = get_dtl_refcount(spa->spa_root_vdev);
575 actual_refcount += get_metaslab_refcount(spa->spa_root_vdev);
576
577 if (expected_refcount != actual_refcount) {
fa86b5db
MA		 578 (void) printf("space map refcount mismatch: expected %lld != "
579 "actual %lld\n",
580 (longlong_t)expected_refcount,
581 (longlong_t)actual_refcount);
93cf2076
GW		 582 return (2);
583 }
584 return (0);
585}
586
34dc7c2f 587static void
93cf2076 588dump_spacemap(objset_t *os, space_map_t *sm)
34dc7c2f
BB		 589{
590 uint64_t alloc, offset, entry;
34dc7c2f
BB		 591 char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID",
592 "INVALID", "INVALID", "INVALID", "INVALID" };
593
93cf2076 594 if (sm == NULL)
34dc7c2f
BB		 595 return;
596
597 /*
598 * Print out the freelist entries in both encoded and decoded form.
599 */
600 alloc = 0;
93cf2076
GW		 601 for (offset = 0; offset < space_map_length(sm);
602 offset += sizeof (entry)) {
603 uint8_t mapshift = sm->sm_shift;
604
605 VERIFY0(dmu_read(os, space_map_object(sm), offset,
9babb374 606 sizeof (entry), &entry, DMU_READ_PREFETCH));
34dc7c2f 607 if (SM_DEBUG_DECODE(entry)) {
93cf2076 608
428870ff 609 (void) printf("\t [%6llu] %s: txg %llu, pass %llu\n",
34dc7c2f
BB		 610 (u_longlong_t)(offset / sizeof (entry)),
611 ddata[SM_DEBUG_ACTION_DECODE(entry)],
612 (u_longlong_t)SM_DEBUG_TXG_DECODE(entry),
613 (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry));
614 } else {
428870ff
BB		 615 (void) printf("\t [%6llu] %c range:"
616 " %010llx-%010llx size: %06llx\n",
34dc7c2f
BB		 617 (u_longlong_t)(offset / sizeof (entry)),
618 SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F',
619 (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
93cf2076 620 mapshift) + sm->sm_start),
34dc7c2f 621 (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
93cf2076
GW		 622 mapshift) + sm->sm_start +
623 (SM_RUN_DECODE(entry) << mapshift)),
34dc7c2f
BB		 624 (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift));
625 if (SM_TYPE_DECODE(entry) == SM_ALLOC)
626 alloc += SM_RUN_DECODE(entry) << mapshift;
627 else
628 alloc -= SM_RUN_DECODE(entry) << mapshift;
629 }
630 }
93cf2076 631 if (alloc != space_map_allocated(sm)) {
34dc7c2f
BB		 632 (void) printf("space_map_object alloc (%llu) INCONSISTENT "
633 "with space map summary (%llu)\n",
93cf2076 634 (u_longlong_t)space_map_allocated(sm), (u_longlong_t)alloc);
34dc7c2f
BB		 635 }
636}
637
9babb374
BB		 638static void
639dump_metaslab_stats(metaslab_t *msp)
640{
428870ff 641 char maxbuf[32];
93cf2076
GW		 642 range_tree_t *rt = msp->ms_tree;
643 avl_tree_t *t = &msp->ms_size_tree;
644 int free_pct = range_tree_space(rt) * 100 / msp->ms_size;
9babb374 645
93cf2076 646 zdb_nicenum(metaslab_block_maxsize(msp), maxbuf);
9babb374 647
428870ff 648 (void) printf("\t %25s %10lu %7s %6s %4s %4d%%\n",
9babb374
BB		 649 "segments", avl_numnodes(t), "maxsize", maxbuf,
650 "freepct", free_pct);
93cf2076
GW		 651 (void) printf("\tIn-memory histogram:\n");
652 dump_histogram(rt->rt_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0);
9babb374
BB		 653}
654
34dc7c2f
BB		 655static void
656dump_metaslab(metaslab_t *msp)
657{
34dc7c2f
BB		 658 vdev_t *vd = msp->ms_group->mg_vd;
659 spa_t *spa = vd->vdev_spa;
93cf2076 660 space_map_t *sm = msp->ms_sm;
428870ff 661 char freebuf[32];
34dc7c2f 662
93cf2076 663 zdb_nicenum(msp->ms_size - space_map_allocated(sm), freebuf);
34dc7c2f 664
34dc7c2f 665 (void) printf(
428870ff 666 "\tmetaslab %6llu offset %12llx spacemap %6llu free %5s\n",
93cf2076
GW		 667 (u_longlong_t)msp->ms_id, (u_longlong_t)msp->ms_start,
668 (u_longlong_t)space_map_object(sm), freebuf);
34dc7c2f 669
93cf2076 670 if (dump_opt['m'] > 2 && !dump_opt['L']) {
9babb374 671 mutex_enter(&msp->ms_lock);
93cf2076
GW		 672 metaslab_load_wait(msp);
673 if (!msp->ms_loaded) {
674 VERIFY0(metaslab_load(msp));
675 range_tree_stat_verify(msp->ms_tree);
676 }
9babb374 677 dump_metaslab_stats(msp);
93cf2076 678 metaslab_unload(msp);
9babb374
BB		 679 mutex_exit(&msp->ms_lock);
680 }
681
93cf2076 682 if (dump_opt['m'] > 1 && sm != NULL &&
fa86b5db 683 spa_feature_is_active(spa, SPA_FEATURE_SPACEMAP_HISTOGRAM)) {
93cf2076
GW		 684 /*
685 * The space map histogram represents free space in chunks
686 * of sm_shift (i.e. bucket 0 refers to 2^sm_shift).
687 */
688 (void) printf("\tOn-disk histogram:\n");
689 dump_histogram(sm->sm_phys->smp_histogram,
690 SPACE_MAP_HISTOGRAM_SIZE(sm), sm->sm_shift);
691 }
692
693 if (dump_opt['d'] > 5 || dump_opt['m'] > 3) {
694 ASSERT(msp->ms_size == (1ULL << vd->vdev_ms_shift));
9babb374
BB		 695
696 mutex_enter(&msp->ms_lock);
93cf2076 697 dump_spacemap(spa->spa_meta_objset, msp->ms_sm);
9babb374
BB		 698 mutex_exit(&msp->ms_lock);
699 }
428870ff 700}
34dc7c2f 701
428870ff
BB		 702static void
703print_vdev_metaslab_header(vdev_t *vd)
704{
705 (void) printf("\tvdev %10llu\n\t%-10s%5llu %-19s %-15s %-10s\n",
706 (u_longlong_t)vd->vdev_id,
707 "metaslabs", (u_longlong_t)vd->vdev_ms_count,
708 "offset", "spacemap", "free");
709 (void) printf("\t%15s %19s %15s %10s\n",
710 "---------------", "-------------------",
711 "---------------", "-------------");
34dc7c2f
BB		 712}
713
714static void
715dump_metaslabs(spa_t *spa)
716{
428870ff
BB		 717 vdev_t *vd, *rvd = spa->spa_root_vdev;
718 uint64_t m, c = 0, children = rvd->vdev_children;
34dc7c2f
BB		 719
720 (void) printf("\nMetaslabs:\n");
721
428870ff
BB		 722 if (!dump_opt['d'] && zopt_objects > 0) {
723 c = zopt_object[0];
724
725 if (c >= children)
726 (void) fatal("bad vdev id: %llu", (u_longlong_t)c);
34dc7c2f 727
428870ff
BB		 728 if (zopt_objects > 1) {
729 vd = rvd->vdev_child[c];
730 print_vdev_metaslab_header(vd);
731
732 for (m = 1; m < zopt_objects; m++) {
733 if (zopt_object[m] < vd->vdev_ms_count)
734 dump_metaslab(
735 vd->vdev_ms[zopt_object[m]]);
736 else
737 (void) fprintf(stderr, "bad metaslab "
738 "number %llu\n",
739 (u_longlong_t)zopt_object[m]);
740 }
741 (void) printf("\n");
742 return;
743 }
744 children = c + 1;
745 }
746 for (; c < children; c++) {
747 vd = rvd->vdev_child[c];
748 print_vdev_metaslab_header(vd);
34dc7c2f 749
34dc7c2f
BB		 750 for (m = 0; m < vd->vdev_ms_count; m++)
751 dump_metaslab(vd->vdev_ms[m]);
752 (void) printf("\n");
753 }
754}
755
428870ff
BB		 756static void
757dump_dde(const ddt_t *ddt, const ddt_entry_t *dde, uint64_t index)
758{
759 const ddt_phys_t *ddp = dde->dde_phys;
760 const ddt_key_t *ddk = &dde->dde_key;
761 char *types[4] = { "ditto", "single", "double", "triple" };
762 char blkbuf[BP_SPRINTF_LEN];
763 blkptr_t blk;
d6320ddb 764 int p;
428870ff 765
d6320ddb 766 for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
428870ff
BB		 767 if (ddp->ddp_phys_birth == 0)
768 continue;
769 ddt_bp_create(ddt->ddt_checksum, ddk, ddp, &blk);
b0bc7a84 770 snprintf_blkptr(blkbuf, sizeof (blkbuf), &blk);
428870ff
BB		 771 (void) printf("index %llx refcnt %llu %s %s\n",
772 (u_longlong_t)index, (u_longlong_t)ddp->ddp_refcnt,
773 types[p], blkbuf);
774 }
775}
776
777static void
778dump_dedup_ratio(const ddt_stat_t *dds)
779{
780 double rL, rP, rD, D, dedup, compress, copies;
781
782 if (dds->dds_blocks == 0)
783 return;
784
785 rL = (double)dds->dds_ref_lsize;
786 rP = (double)dds->dds_ref_psize;
787 rD = (double)dds->dds_ref_dsize;
788 D = (double)dds->dds_dsize;
789
790 dedup = rD / D;
791 compress = rL / rP;
792 copies = rD / rP;
793
794 (void) printf("dedup = %.2f, compress = %.2f, copies = %.2f, "
795 "dedup * compress / copies = %.2f\n\n",
796 dedup, compress, copies, dedup * compress / copies);
797}
798
799static void
800dump_ddt(ddt_t *ddt, enum ddt_type type, enum ddt_class class)
801{
802 char name[DDT_NAMELEN];
803 ddt_entry_t dde;
804 uint64_t walk = 0;
805 dmu_object_info_t doi;
806 uint64_t count, dspace, mspace;
807 int error;
808
809 error = ddt_object_info(ddt, type, class, &doi);
810
811 if (error == ENOENT)
812 return;
813 ASSERT(error == 0);
814
e8fd45a0
BB		 815 error = ddt_object_count(ddt, type, class, &count);
816 ASSERT(error == 0);
817 if (count == 0)
572e2857
BB		 818 return;
819
428870ff
BB		 820 dspace = doi.doi_physical_blocks_512 << 9;
821 mspace = doi.doi_fill_count * doi.doi_data_block_size;
822
428870ff
BB		 823 ddt_object_name(ddt, type, class, name);
824
825 (void) printf("%s: %llu entries, size %llu on disk, %llu in core\n",
826 name,
827 (u_longlong_t)count,
828 (u_longlong_t)(dspace / count),
829 (u_longlong_t)(mspace / count));
830
831 if (dump_opt['D'] < 3)
832 return;
833
834 zpool_dump_ddt(NULL, &ddt->ddt_histogram[type][class]);
835
836 if (dump_opt['D'] < 4)
837 return;
838
839 if (dump_opt['D'] < 5 && class == DDT_CLASS_UNIQUE)
840 return;
841
842 (void) printf("%s contents:\n\n", name);
843
844 while ((error = ddt_object_walk(ddt, type, class, &walk, &dde)) == 0)
845 dump_dde(ddt, &dde, walk);
846
847 ASSERT(error == ENOENT);
848
849 (void) printf("\n");
850}
851
852static void
853dump_all_ddts(spa_t *spa)
854{
d6320ddb
BB		 855 ddt_histogram_t ddh_total;
856 ddt_stat_t dds_total;
857 enum zio_checksum c;
858 enum ddt_type type;
859 enum ddt_class class;
428870ff 860
d6320ddb
BB		 861 bzero(&ddh_total, sizeof (ddt_histogram_t));
862 bzero(&dds_total, sizeof (ddt_stat_t));
863
864 for (c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
428870ff 865 ddt_t *ddt = spa->spa_ddt[c];
d6320ddb
BB		 866 for (type = 0; type < DDT_TYPES; type++) {
867 for (class = 0; class < DDT_CLASSES;
428870ff
BB		 868 class++) {
869 dump_ddt(ddt, type, class);
870 }
871 }
872 }
873
874 ddt_get_dedup_stats(spa, &dds_total);
875
876 if (dds_total.dds_blocks == 0) {
877 (void) printf("All DDTs are empty\n");
878 return;
879 }
880
881 (void) printf("\n");
882
883 if (dump_opt['D'] > 1) {
884 (void) printf("DDT histogram (aggregated over all DDTs):\n");
885 ddt_get_dedup_histogram(spa, &ddh_total);
886 zpool_dump_ddt(&dds_total, &ddh_total);
887 }
888
889 dump_dedup_ratio(&dds_total);
890}
891
fb5f0bc8 892static void
93cf2076 893dump_dtl_seg(void *arg, uint64_t start, uint64_t size)
fb5f0bc8 894{
93cf2076 895 char *prefix = arg;
fb5f0bc8
BB		 896
897 (void) printf("%s [%llu,%llu) length %llu\n",
898 prefix,
899 (u_longlong_t)start,
900 (u_longlong_t)(start + size),
901 (u_longlong_t)(size));
902}
903
34dc7c2f
BB		 904static void
905dump_dtl(vdev_t *vd, int indent)
906{
fb5f0bc8
BB		 907 spa_t *spa = vd->vdev_spa;
908 boolean_t required;
909 char *name[DTL_TYPES] = { "missing", "partial", "scrub", "outage" };
910 char prefix[256];
d6320ddb 911 int c, t;
fb5f0bc8 912
428870ff 913 spa_vdev_state_enter(spa, SCL_NONE);
fb5f0bc8
BB		 914 required = vdev_dtl_required(vd);
915 (void) spa_vdev_state_exit(spa, NULL, 0);
34dc7c2f
BB		 916
917 if (indent == 0)
918 (void) printf("\nDirty time logs:\n\n");
919
fb5f0bc8 920 (void) printf("\t%*s%s [%s]\n", indent, "",
b128c09f 921 vd->vdev_path ? vd->vdev_path :
fb5f0bc8
BB		 922 vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa),
923 required ? "DTL-required" : "DTL-expendable");
34dc7c2f 924
d6320ddb 925 for (t = 0; t < DTL_TYPES; t++) {
93cf2076
GW		 926 range_tree_t *rt = vd->vdev_dtl[t];
927 if (range_tree_space(rt) == 0)
fb5f0bc8
BB		 928 continue;
929 (void) snprintf(prefix, sizeof (prefix), "\t%*s%s",
930 indent + 2, "", name[t]);
93cf2076
GW		 931 mutex_enter(rt->rt_lock);
932 range_tree_walk(rt, dump_dtl_seg, prefix);
933 mutex_exit(rt->rt_lock);
fb5f0bc8
BB		 934 if (dump_opt['d'] > 5 && vd->vdev_children == 0)
935 dump_spacemap(spa->spa_meta_objset,
93cf2076 936 vd->vdev_dtl_sm);
34dc7c2f
BB		 937 }
938
d6320ddb 939 for (c = 0; c < vd->vdev_children; c++)
34dc7c2f
BB		 940 dump_dtl(vd->vdev_child[c], indent + 4);
941}
942
428870ff
BB		 943static void
944dump_history(spa_t *spa)
945{
946 nvlist_t **events = NULL;
947 char buf[SPA_MAXBLOCKSIZE];
948 uint64_t resid, len, off = 0;
949 uint_t num = 0;
950 int error;
951 time_t tsec;
952 struct tm t;
953 char tbuf[30];
954 char internalstr[MAXPATHLEN];
d6320ddb 955 int i;
428870ff
BB		 956
957 do {
958 len = sizeof (buf);
959
960 if ((error = spa_history_get(spa, &off, &len, buf)) != 0) {
961 (void) fprintf(stderr, "Unable to read history: "
962 "error %d\n", error);
963 return;
964 }
965
966 if (zpool_history_unpack(buf, len, &resid, &events, &num) != 0)
967 break;
968
969 off -= resid;
970 } while (len != 0);
971
972 (void) printf("\nHistory:\n");
d6320ddb 973 for (i = 0; i < num; i++) {
428870ff
BB		 974 uint64_t time, txg, ievent;
975 char *cmd, *intstr;
6f1ffb06 976 boolean_t printed = B_FALSE;
428870ff
BB		 977
978 if (nvlist_lookup_uint64(events[i], ZPOOL_HIST_TIME,
979 &time) != 0)
6f1ffb06 980 goto next;
428870ff
BB		 981 if (nvlist_lookup_string(events[i], ZPOOL_HIST_CMD,
982 &cmd) != 0) {
983 if (nvlist_lookup_uint64(events[i],
984 ZPOOL_HIST_INT_EVENT, &ievent) != 0)
6f1ffb06 985 goto next;
428870ff
BB		 986 verify(nvlist_lookup_uint64(events[i],
987 ZPOOL_HIST_TXG, &txg) == 0);
988 verify(nvlist_lookup_string(events[i],
989 ZPOOL_HIST_INT_STR, &intstr) == 0);
6f1ffb06
MA		 990 if (ievent >= ZFS_NUM_LEGACY_HISTORY_EVENTS)
991 goto next;
428870ff
BB		 992
993 (void) snprintf(internalstr,
994 sizeof (internalstr),
995 "[internal %s txg:%lld] %s",
b8864a23
BB		 996 zfs_history_event_names[ievent],
997 (longlong_t)txg, intstr);
428870ff
BB		 998 cmd = internalstr;
999 }
1000 tsec = time;
1001 (void) localtime_r(&tsec, &t);
1002 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t);
1003 (void) printf("%s %s\n", tbuf, cmd);
6f1ffb06
MA		 1004 printed = B_TRUE;
1005
1006next:
1007 if (dump_opt['h'] > 1) {
1008 if (!printed)
1009 (void) printf("unrecognized record:\n");
1010 dump_nvlist(events[i], 2);
1011 }
428870ff
BB		 1012 }
1013}
1014
34dc7c2f
BB		 1015/*ARGSUSED*/
1016static void
1017dump_dnode(objset_t *os, uint64_t object, void *data, size_t size)
1018{
1019}
1020
1021static uint64_t
5dbd68a3
MA		 1022blkid2offset(const dnode_phys_t *dnp, const blkptr_t *bp,
1023 const zbookmark_phys_t *zb)
34dc7c2f 1024{
428870ff
BB		 1025 if (dnp == NULL) {
1026 ASSERT(zb->zb_level < 0);
1027 if (zb->zb_object == 0)
1028 return (zb->zb_blkid);
1029 return (zb->zb_blkid * BP_GET_LSIZE(bp));
1030 }
1031
1032 ASSERT(zb->zb_level >= 0);
34dc7c2f 1033
428870ff
BB		 1034 return ((zb->zb_blkid <<
1035 (zb->zb_level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) *
34dc7c2f
BB		 1036 dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT);
1037}
1038
1039static void
b0bc7a84 1040snprintf_blkptr_compact(char *blkbuf, size_t buflen, const blkptr_t *bp)
34dc7c2f 1041{
428870ff
BB		 1042 const dva_t *dva = bp->blk_dva;
1043 int ndvas = dump_opt['d'] > 5 ? BP_GET_NDVAS(bp) : 1;
d6320ddb 1044 int i;
428870ff 1045
d5869641 1046 if (dump_opt['b'] >= 6) {
b0bc7a84 1047 snprintf_blkptr(blkbuf, buflen, bp);
428870ff
BB		 1048 return;
1049 }
34dc7c2f 1050
9b67f605
MA		 1051 if (BP_IS_EMBEDDED(bp)) {
1052 (void) sprintf(blkbuf,
1053 "EMBEDDED et=%u %llxL/%llxP B=%llu",
1054 (int)BPE_GET_ETYPE(bp),
1055 (u_longlong_t)BPE_GET_LSIZE(bp),
1056 (u_longlong_t)BPE_GET_PSIZE(bp),
1057 (u_longlong_t)bp->blk_birth);
1058 return;
1059 }
1060
34dc7c2f
BB		 1061 blkbuf[0] = '\0';
1062
d6320ddb 1063 for (i = 0; i < ndvas; i++)
b0bc7a84
MG		 1064 (void) snprintf(blkbuf + strlen(blkbuf),
1065 buflen - strlen(blkbuf), "%llu:%llx:%llx ",
34dc7c2f
BB		 1066 (u_longlong_t)DVA_GET_VDEV(&dva[i]),
1067 (u_longlong_t)DVA_GET_OFFSET(&dva[i]),
1068 (u_longlong_t)DVA_GET_ASIZE(&dva[i]));
1069
b0bc7a84
MG		 1070 if (BP_IS_HOLE(bp)) {
1071 (void) snprintf(blkbuf + strlen(blkbuf),
1072 buflen - strlen(blkbuf), "B=%llu",
1073 (u_longlong_t)bp->blk_birth);
1074 } else {
1075 (void) snprintf(blkbuf + strlen(blkbuf),
1076 buflen - strlen(blkbuf),
1077 "%llxL/%llxP F=%llu B=%llu/%llu",
1078 (u_longlong_t)BP_GET_LSIZE(bp),
1079 (u_longlong_t)BP_GET_PSIZE(bp),
9b67f605 1080 (u_longlong_t)BP_GET_FILL(bp),
b0bc7a84
MG		 1081 (u_longlong_t)bp->blk_birth,
1082 (u_longlong_t)BP_PHYSICAL_BIRTH(bp));
1083 }
34dc7c2f
BB		 1084}
1085
b128c09f 1086static void
5dbd68a3 1087print_indirect(blkptr_t *bp, const zbookmark_phys_t *zb,
b128c09f 1088 const dnode_phys_t *dnp)
34dc7c2f 1089{
b128c09f 1090 char blkbuf[BP_SPRINTF_LEN];
34dc7c2f
BB		 1091 int l;
1092
9b67f605
MA		 1093 if (!BP_IS_EMBEDDED(bp)) {
1094 ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type);
1095 ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level);
1096 }
34dc7c2f 1097
428870ff 1098 (void) printf("%16llx ", (u_longlong_t)blkid2offset(dnp, bp, zb));
34dc7c2f
BB		 1099
1100 ASSERT(zb->zb_level >= 0);
1101
1102 for (l = dnp->dn_nlevels - 1; l >= -1; l--) {
1103 if (l == zb->zb_level) {
b128c09f 1104 (void) printf("L%llx", (u_longlong_t)zb->zb_level);
34dc7c2f 1105 } else {
b128c09f 1106 (void) printf(" ");
34dc7c2f
BB		 1107 }
1108 }
1109
b0bc7a84 1110 snprintf_blkptr_compact(blkbuf, sizeof (blkbuf), bp);
b128c09f
BB		 1111 (void) printf("%s\n", blkbuf);
1112}
1113
b128c09f
BB		 1114static int
1115visit_indirect(spa_t *spa, const dnode_phys_t *dnp,
5dbd68a3 1116 blkptr_t *bp, const zbookmark_phys_t *zb)
b128c09f 1117{
428870ff 1118 int err = 0;
b128c09f
BB		 1119
1120 if (bp->blk_birth == 0)
1121 return (0);
1122
1123 print_indirect(bp, zb, dnp);
1124
b0bc7a84 1125 if (BP_GET_LEVEL(bp) > 0 && !BP_IS_HOLE(bp)) {
b128c09f
BB		 1126 uint32_t flags = ARC_WAIT;
1127 int i;
1128 blkptr_t *cbp;
1129 int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT;
1130 arc_buf_t *buf;
1131 uint64_t fill = 0;
1132
294f6806 1133 err = arc_read(NULL, spa, bp, arc_getbuf_func, &buf,
b128c09f
BB		 1134 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb);
1135 if (err)
1136 return (err);
428870ff 1137 ASSERT(buf->b_data);
b128c09f
BB		 1138
1139 /* recursively visit blocks below this */
1140 cbp = buf->b_data;
1141 for (i = 0; i < epb; i++, cbp++) {
5dbd68a3 1142 zbookmark_phys_t czb;
b128c09f
BB		 1143
1144 SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object,
1145 zb->zb_level - 1,
1146 zb->zb_blkid * epb + i);
1147 err = visit_indirect(spa, dnp, cbp, &czb);
1148 if (err)
1149 break;
9b67f605 1150 fill += BP_GET_FILL(cbp);
b128c09f 1151 }
fb5f0bc8 1152 if (!err)
9b67f605 1153 ASSERT3U(fill, ==, BP_GET_FILL(bp));
b128c09f 1154 (void) arc_buf_remove_ref(buf, &buf);
34dc7c2f
BB		 1155 }
1156
b128c09f 1157 return (err);
34dc7c2f
BB		 1158}
1159
1160/*ARGSUSED*/
1161static void
b128c09f 1162dump_indirect(dnode_t *dn)
34dc7c2f 1163{
b128c09f
BB		 1164 dnode_phys_t *dnp = dn->dn_phys;
1165 int j;
5dbd68a3 1166 zbookmark_phys_t czb;
34dc7c2f
BB		 1167
1168 (void) printf("Indirect blocks:\n");
1169
428870ff 1170 SET_BOOKMARK(&czb, dmu_objset_id(dn->dn_objset),
b128c09f
BB		 1171 dn->dn_object, dnp->dn_nlevels - 1, 0);
1172 for (j = 0; j < dnp->dn_nblkptr; j++) {
1173 czb.zb_blkid = j;
428870ff 1174 (void) visit_indirect(dmu_objset_spa(dn->dn_objset), dnp,
b128c09f
BB		 1175 &dnp->dn_blkptr[j], &czb);
1176 }
34dc7c2f
BB		 1177
1178 (void) printf("\n");
34dc7c2f
BB		 1179}
1180
1181/*ARGSUSED*/
1182static void
1183dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size)
1184{
1185 dsl_dir_phys_t *dd = data;
1186 time_t crtime;
428870ff 1187 char nice[32];
34dc7c2f
BB		 1188
1189 if (dd == NULL)
1190 return;
1191
1192 ASSERT3U(size, >=, sizeof (dsl_dir_phys_t));
1193
1194 crtime = dd->dd_creation_time;
34dc7c2f
BB		 1195 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
1196 (void) printf("\t\thead_dataset_obj = %llu\n",
1197 (u_longlong_t)dd->dd_head_dataset_obj);
1198 (void) printf("\t\tparent_dir_obj = %llu\n",
1199 (u_longlong_t)dd->dd_parent_obj);
1200 (void) printf("\t\torigin_obj = %llu\n",
1201 (u_longlong_t)dd->dd_origin_obj);
1202 (void) printf("\t\tchild_dir_zapobj = %llu\n",
1203 (u_longlong_t)dd->dd_child_dir_zapobj);
428870ff 1204 zdb_nicenum(dd->dd_used_bytes, nice);
b128c09f 1205 (void) printf("\t\tused_bytes = %s\n", nice);
428870ff 1206 zdb_nicenum(dd->dd_compressed_bytes, nice);
b128c09f 1207 (void) printf("\t\tcompressed_bytes = %s\n", nice);
428870ff 1208 zdb_nicenum(dd->dd_uncompressed_bytes, nice);
b128c09f 1209 (void) printf("\t\tuncompressed_bytes = %s\n", nice);
428870ff 1210 zdb_nicenum(dd->dd_quota, nice);
b128c09f 1211 (void) printf("\t\tquota = %s\n", nice);
428870ff 1212 zdb_nicenum(dd->dd_reserved, nice);
b128c09f 1213 (void) printf("\t\treserved = %s\n", nice);
34dc7c2f
BB		 1214 (void) printf("\t\tprops_zapobj = %llu\n",
1215 (u_longlong_t)dd->dd_props_zapobj);
1216 (void) printf("\t\tdeleg_zapobj = %llu\n",
1217 (u_longlong_t)dd->dd_deleg_zapobj);
b128c09f
BB		 1218 (void) printf("\t\tflags = %llx\n",
1219 (u_longlong_t)dd->dd_flags);
1220
1221#define DO(which) \
428870ff 1222 zdb_nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \
b128c09f
BB		 1223 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice)
1224 DO(HEAD);
1225 DO(SNAP);
1226 DO(CHILD);
1227 DO(CHILD_RSRV);
1228 DO(REFRSRV);
1229#undef DO
34dc7c2f
BB		 1230}
1231
1232/*ARGSUSED*/
1233static void
1234dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size)
1235{
1236 dsl_dataset_phys_t *ds = data;
1237 time_t crtime;
428870ff 1238 char used[32], compressed[32], uncompressed[32], unique[32];
34dc7c2f
BB		 1239 char blkbuf[BP_SPRINTF_LEN];
1240
1241 if (ds == NULL)
1242 return;
1243
1244 ASSERT(size == sizeof (*ds));
1245 crtime = ds->ds_creation_time;
9ae529ec 1246 zdb_nicenum(ds->ds_referenced_bytes, used);
428870ff
BB		 1247 zdb_nicenum(ds->ds_compressed_bytes, compressed);
1248 zdb_nicenum(ds->ds_uncompressed_bytes, uncompressed);
1249 zdb_nicenum(ds->ds_unique_bytes, unique);
b0bc7a84 1250 snprintf_blkptr(blkbuf, sizeof (blkbuf), &ds->ds_bp);
34dc7c2f 1251
b128c09f 1252 (void) printf("\t\tdir_obj = %llu\n",
34dc7c2f
BB		 1253 (u_longlong_t)ds->ds_dir_obj);
1254 (void) printf("\t\tprev_snap_obj = %llu\n",
1255 (u_longlong_t)ds->ds_prev_snap_obj);
1256 (void) printf("\t\tprev_snap_txg = %llu\n",
1257 (u_longlong_t)ds->ds_prev_snap_txg);
1258 (void) printf("\t\tnext_snap_obj = %llu\n",
1259 (u_longlong_t)ds->ds_next_snap_obj);
1260 (void) printf("\t\tsnapnames_zapobj = %llu\n",
1261 (u_longlong_t)ds->ds_snapnames_zapobj);
1262 (void) printf("\t\tnum_children = %llu\n",
1263 (u_longlong_t)ds->ds_num_children);
45d1cae3
BB		 1264 (void) printf("\t\tuserrefs_obj = %llu\n",
1265 (u_longlong_t)ds->ds_userrefs_obj);
34dc7c2f
BB		 1266 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
1267 (void) printf("\t\tcreation_txg = %llu\n",
1268 (u_longlong_t)ds->ds_creation_txg);
1269 (void) printf("\t\tdeadlist_obj = %llu\n",
1270 (u_longlong_t)ds->ds_deadlist_obj);
1271 (void) printf("\t\tused_bytes = %s\n", used);
1272 (void) printf("\t\tcompressed_bytes = %s\n", compressed);
1273 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed);
1274 (void) printf("\t\tunique = %s\n", unique);
1275 (void) printf("\t\tfsid_guid = %llu\n",
1276 (u_longlong_t)ds->ds_fsid_guid);
1277 (void) printf("\t\tguid = %llu\n",
1278 (u_longlong_t)ds->ds_guid);
1279 (void) printf("\t\tflags = %llx\n",
1280 (u_longlong_t)ds->ds_flags);
b128c09f
BB		 1281 (void) printf("\t\tnext_clones_obj = %llu\n",
1282 (u_longlong_t)ds->ds_next_clones_obj);
1283 (void) printf("\t\tprops_obj = %llu\n",
1284 (u_longlong_t)ds->ds_props_obj);
34dc7c2f
BB		 1285 (void) printf("\t\tbp = %s\n", blkbuf);
1286}
1287
9ae529ec
CS		 1288/* ARGSUSED */
1289static int
1290dump_bptree_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
1291{
1292 char blkbuf[BP_SPRINTF_LEN];
1293
1294 if (bp->blk_birth != 0) {
b0bc7a84 1295 snprintf_blkptr(blkbuf, sizeof (blkbuf), bp);
9ae529ec
CS		 1296 (void) printf("\t%s\n", blkbuf);
1297 }
1298 return (0);
1299}
1300
1301static void
1302dump_bptree(objset_t *os, uint64_t obj, char *name)
1303{
1304 char bytes[32];
1305 bptree_phys_t *bt;
1306 dmu_buf_t *db;
1307
1308 if (dump_opt['d'] < 3)
1309 return;
1310
1311 VERIFY3U(0, ==, dmu_bonus_hold(os, obj, FTAG, &db));
1312 bt = db->db_data;
1313 zdb_nicenum(bt->bt_bytes, bytes);
1314 (void) printf("\n %s: %llu datasets, %s\n",
1315 name, (unsigned long long)(bt->bt_end - bt->bt_begin), bytes);
1316 dmu_buf_rele(db, FTAG);
1317
1318 if (dump_opt['d'] < 5)
1319 return;
1320
1321 (void) printf("\n");
1322
1323 (void) bptree_iterate(os, obj, B_FALSE, dump_bptree_cb, NULL, NULL);
1324}
1325
428870ff
BB		 1326/* ARGSUSED */
1327static int
1328dump_bpobj_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
1329{
1330 char blkbuf[BP_SPRINTF_LEN];
1331
1332 ASSERT(bp->blk_birth != 0);
b0bc7a84 1333 snprintf_blkptr_compact(blkbuf, sizeof (blkbuf), bp);
428870ff
BB		 1334 (void) printf("\t%s\n", blkbuf);
1335 return (0);
1336}
1337
34dc7c2f 1338static void
d1fada1e 1339dump_bpobj(bpobj_t *bpo, char *name, int indent)
34dc7c2f 1340{
428870ff
BB		 1341 char bytes[32];
1342 char comp[32];
1343 char uncomp[32];
d1fada1e 1344 uint64_t i;
34dc7c2f
BB		 1345
1346 if (dump_opt['d'] < 3)
1347 return;
1348
428870ff 1349 zdb_nicenum(bpo->bpo_phys->bpo_bytes, bytes);
d1fada1e 1350 if (bpo->bpo_havesubobj && bpo->bpo_phys->bpo_subobjs != 0) {
428870ff
BB		 1351 zdb_nicenum(bpo->bpo_phys->bpo_comp, comp);
1352 zdb_nicenum(bpo->bpo_phys->bpo_uncomp, uncomp);
d1fada1e
MA		 1353 (void) printf(" %*s: object %llu, %llu local blkptrs, "
1354 "%llu subobjs, %s (%s/%s comp)\n",
1355 indent * 8, name,
1356 (u_longlong_t)bpo->bpo_object,
1357 (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs,
428870ff 1358 (u_longlong_t)bpo->bpo_phys->bpo_num_subobjs,
34dc7c2f 1359 bytes, comp, uncomp);
d1fada1e
MA		 1360
1361 for (i = 0; i < bpo->bpo_phys->bpo_num_subobjs; i++) {
1362 uint64_t subobj;
1363 bpobj_t subbpo;
1364 int error;
1365 VERIFY0(dmu_read(bpo->bpo_os,
1366 bpo->bpo_phys->bpo_subobjs,
1367 i * sizeof (subobj), sizeof (subobj), &subobj, 0));
1368 error = bpobj_open(&subbpo, bpo->bpo_os, subobj);
1369 if (error != 0) {
1370 (void) printf("ERROR %u while trying to open "
1371 "subobj id %llu\n",
1372 error, (u_longlong_t)subobj);
1373 continue;
1374 }
1375 dump_bpobj(&subbpo, "subobj", indent + 1);
1376 }
34dc7c2f 1377 } else {
d1fada1e
MA		 1378 (void) printf(" %*s: object %llu, %llu blkptrs, %s\n",
1379 indent * 8, name,
1380 (u_longlong_t)bpo->bpo_object,
1381 (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs,
1382 bytes);
34dc7c2f
BB		 1383 }
1384
428870ff 1385 if (dump_opt['d'] < 5)
34dc7c2f 1386 return;
34dc7c2f 1387
34dc7c2f 1388
d1fada1e
MA		 1389 if (indent == 0) {
1390 (void) bpobj_iterate_nofree(bpo, dump_bpobj_cb, NULL, NULL);
1391 (void) printf("\n");
1392 }
428870ff 1393}
34dc7c2f 1394
428870ff
BB		 1395static void
1396dump_deadlist(dsl_deadlist_t *dl)
1397{
1398 dsl_deadlist_entry_t *dle;
d1fada1e 1399 uint64_t unused;
428870ff
BB		 1400 char bytes[32];
1401 char comp[32];
1402 char uncomp[32];
1403
1404 if (dump_opt['d'] < 3)
1405 return;
34dc7c2f 1406
428870ff
BB		 1407 zdb_nicenum(dl->dl_phys->dl_used, bytes);
1408 zdb_nicenum(dl->dl_phys->dl_comp, comp);
1409 zdb_nicenum(dl->dl_phys->dl_uncomp, uncomp);
1410 (void) printf("\n Deadlist: %s (%s/%s comp)\n",
1411 bytes, comp, uncomp);
1412
1413 if (dump_opt['d'] < 4)
1414 return;
1415
1416 (void) printf("\n");
1417
d1fada1e
MA		 1418 /* force the tree to be loaded */
1419 dsl_deadlist_space_range(dl, 0, UINT64_MAX, &unused, &unused, &unused);
1420
428870ff
BB		 1421 for (dle = avl_first(&dl->dl_tree); dle;
1422 dle = AVL_NEXT(&dl->dl_tree, dle)) {
d1fada1e
MA		 1423 if (dump_opt['d'] >= 5) {
1424 char buf[128];
d1d7e268
MK		 1425 (void) snprintf(buf, sizeof (buf),
1426 "mintxg %llu -> obj %llu",
d1fada1e
MA		 1427 (longlong_t)dle->dle_mintxg,
1428 (longlong_t)dle->dle_bpobj.bpo_object);
428870ff 1429
d1fada1e
MA		 1430 dump_bpobj(&dle->dle_bpobj, buf, 0);
1431 } else {
1432 (void) printf("mintxg %llu -> obj %llu\n",
1433 (longlong_t)dle->dle_mintxg,
1434 (longlong_t)dle->dle_bpobj.bpo_object);
1435
1436 }
428870ff 1437 }
34dc7c2f
BB		 1438}
1439
1440static avl_tree_t idx_tree;
1441static avl_tree_t domain_tree;
1442static boolean_t fuid_table_loaded;
428870ff
BB		 1443static boolean_t sa_loaded;
1444sa_attr_type_t *sa_attr_table;
34dc7c2f
BB		 1445
1446static void
0bc8fd78 1447fuid_table_destroy(void)
34dc7c2f
BB		 1448{
1449 if (fuid_table_loaded) {
1450 zfs_fuid_table_destroy(&idx_tree, &domain_tree);
1451 fuid_table_loaded = B_FALSE;
1452 }
1453}
1454
1455/*
1456 * print uid or gid information.
1457 * For normal POSIX id just the id is printed in decimal format.
1458 * For CIFS files with FUID the fuid is printed in hex followed by
d1fada1e 1459 * the domain-rid string.
34dc7c2f
BB		 1460 */
1461static void
1462print_idstr(uint64_t id, const char *id_type)
1463{
1464 if (FUID_INDEX(id)) {
1465 char *domain;
1466
1467 domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id));
1468 (void) printf("\t%s %llx [%s-%d]\n", id_type,
1469 (u_longlong_t)id, domain, (int)FUID_RID(id));
1470 } else {
1471 (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id);
1472 }
1473
1474}
1475
1476static void
428870ff 1477dump_uidgid(objset_t *os, uint64_t uid, uint64_t gid)
34dc7c2f
BB		 1478{
1479 uint32_t uid_idx, gid_idx;
1480
428870ff
BB		 1481 uid_idx = FUID_INDEX(uid);
1482 gid_idx = FUID_INDEX(gid);
34dc7c2f
BB		 1483
1484 /* Load domain table, if not already loaded */
1485 if (!fuid_table_loaded && (uid_idx || gid_idx)) {
1486 uint64_t fuid_obj;
1487
1488 /* first find the fuid object. It lives in the master node */
1489 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES,
1490 8, 1, &fuid_obj) == 0);
9babb374 1491 zfs_fuid_avl_tree_create(&idx_tree, &domain_tree);
34dc7c2f
BB		 1492 (void) zfs_fuid_table_load(os, fuid_obj,
1493 &idx_tree, &domain_tree);
1494 fuid_table_loaded = B_TRUE;
1495 }
1496
428870ff
BB		 1497 print_idstr(uid, "uid");
1498 print_idstr(gid, "gid");
34dc7c2f
BB		 1499}
1500
50210587
TC		 1501static void
1502dump_znode_sa_xattr(sa_handle_t *hdl)
1503{
1504 nvlist_t *sa_xattr;
1505 nvpair_t *elem = NULL;
1506 int sa_xattr_size = 0;
1507 int sa_xattr_entries = 0;
1508 int error;
1509 char *sa_xattr_packed;
1510
1511 error = sa_size(hdl, sa_attr_table[ZPL_DXATTR], &sa_xattr_size);
1512 if (error || sa_xattr_size == 0)
1513 return;
1514
1515 sa_xattr_packed = malloc(sa_xattr_size);
1516 if (sa_xattr_packed == NULL)
1517 return;
1518
1519 error = sa_lookup(hdl, sa_attr_table[ZPL_DXATTR],
1520 sa_xattr_packed, sa_xattr_size);
1521 if (error) {
1522 free(sa_xattr_packed);
1523 return;
1524 }
1525
1526 error = nvlist_unpack(sa_xattr_packed, sa_xattr_size, &sa_xattr, 0);
1527 if (error) {
1528 free(sa_xattr_packed);
1529 return;
1530 }
1531
1532 while ((elem = nvlist_next_nvpair(sa_xattr, elem)) != NULL)
1533 sa_xattr_entries++;
1534
1535 (void) printf("\tSA xattrs: %d bytes, %d entries\n\n",
1536 sa_xattr_size, sa_xattr_entries);
1537 while ((elem = nvlist_next_nvpair(sa_xattr, elem)) != NULL) {
1538 uchar_t *value;
1539 uint_t cnt, idx;
1540
1541 (void) printf("\t\t%s = ", nvpair_name(elem));
1542 nvpair_value_byte_array(elem, &value, &cnt);
d1d7e268 1543 for (idx = 0; idx < cnt; ++idx) {
50210587
TC		 1544 if (isprint(value[idx]))
1545 (void) putchar(value[idx]);
1546 else
1547 (void) printf("\\%3.3o", value[idx]);
1548 }
1549 (void) putchar('\n');
1550 }
1551
1552 nvlist_free(sa_xattr);
1553 free(sa_xattr_packed);
1554}
1555
34dc7c2f
BB		 1556/*ARGSUSED*/
1557static void
1558dump_znode(objset_t *os, uint64_t object, void *data, size_t size)
1559{
34dc7c2f 1560 char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */
428870ff
BB		 1561 sa_handle_t *hdl;
1562 uint64_t xattr, rdev, gen;
1563 uint64_t uid, gid, mode, fsize, parent, links;
1564 uint64_t pflags;
1565 uint64_t acctm[2], modtm[2], chgtm[2], crtm[2];
1566 time_t z_crtime, z_atime, z_mtime, z_ctime;
1567 sa_bulk_attr_t bulk[12];
1568 int idx = 0;
34dc7c2f
BB		 1569 int error;
1570
428870ff
BB		 1571 if (!sa_loaded) {
1572 uint64_t sa_attrs = 0;
1573 uint64_t version;
1574
1575 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZPL_VERSION_STR,
1576 8, 1, &version) == 0);
1577 if (version >= ZPL_VERSION_SA) {
1578 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_SA_ATTRS,
1579 8, 1, &sa_attrs) == 0);
1580 }
572e2857
BB		 1581 if ((error = sa_setup(os, sa_attrs, zfs_attr_table,
1582 ZPL_END, &sa_attr_table)) != 0) {
1583 (void) printf("sa_setup failed errno %d, can't "
1584 "display znode contents\n", error);
1585 return;
1586 }
428870ff
BB		 1587 sa_loaded = B_TRUE;
1588 }
1589
1590 if (sa_handle_get(os, object, NULL, SA_HDL_PRIVATE, &hdl)) {
1591 (void) printf("Failed to get handle for SA znode\n");
1592 return;
1593 }
1594
1595 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_UID], NULL, &uid, 8);
1596 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GID], NULL, &gid, 8);
1597 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_LINKS], NULL,
1598 &links, 8);
1599 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GEN], NULL, &gen, 8);
1600 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MODE], NULL,
1601 &mode, 8);
1602 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_PARENT],
1603 NULL, &parent, 8);
1604 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_SIZE], NULL,
1605 &fsize, 8);
1606 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_ATIME], NULL,
1607 acctm, 16);
1608 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MTIME], NULL,
1609 modtm, 16);
1610 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CRTIME], NULL,
1611 crtm, 16);
1612 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CTIME], NULL,
1613 chgtm, 16);
1614 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_FLAGS], NULL,
1615 &pflags, 8);
1616
1617 if (sa_bulk_lookup(hdl, bulk, idx)) {
1618 (void) sa_handle_destroy(hdl);
1619 return;
1620 }
34dc7c2f
BB		 1621
1622 error = zfs_obj_to_path(os, object, path, sizeof (path));
1623 if (error != 0) {
1624 (void) snprintf(path, sizeof (path), "\?\?\?<object#%llu>",
1625 (u_longlong_t)object);
1626 }
34dc7c2f
BB		 1627 if (dump_opt['d'] < 3) {
1628 (void) printf("\t%s\n", path);
428870ff 1629 (void) sa_handle_destroy(hdl);
34dc7c2f
BB		 1630 return;
1631 }
1632
428870ff
BB		 1633 z_crtime = (time_t)crtm[0];
1634 z_atime = (time_t)acctm[0];
1635 z_mtime = (time_t)modtm[0];
1636 z_ctime = (time_t)chgtm[0];
34dc7c2f
BB		 1637
1638 (void) printf("\tpath %s\n", path);
428870ff 1639 dump_uidgid(os, uid, gid);
34dc7c2f
BB		 1640 (void) printf("\tatime %s", ctime(&z_atime));
1641 (void) printf("\tmtime %s", ctime(&z_mtime));
1642 (void) printf("\tctime %s", ctime(&z_ctime));
1643 (void) printf("\tcrtime %s", ctime(&z_crtime));
428870ff
BB		 1644 (void) printf("\tgen %llu\n", (u_longlong_t)gen);
1645 (void) printf("\tmode %llo\n", (u_longlong_t)mode);
1646 (void) printf("\tsize %llu\n", (u_longlong_t)fsize);
1647 (void) printf("\tparent %llu\n", (u_longlong_t)parent);
1648 (void) printf("\tlinks %llu\n", (u_longlong_t)links);
1649 (void) printf("\tpflags %llx\n", (u_longlong_t)pflags);
1650 if (sa_lookup(hdl, sa_attr_table[ZPL_XATTR], &xattr,
1651 sizeof (uint64_t)) == 0)
1652 (void) printf("\txattr %llu\n", (u_longlong_t)xattr);
1653 if (sa_lookup(hdl, sa_attr_table[ZPL_RDEV], &rdev,
1654 sizeof (uint64_t)) == 0)
1655 (void) printf("\trdev 0x%016llx\n", (u_longlong_t)rdev);
50210587 1656 dump_znode_sa_xattr(hdl);
428870ff 1657 sa_handle_destroy(hdl);
34dc7c2f
BB		 1658}
1659
1660/*ARGSUSED*/
1661static void
1662dump_acl(objset_t *os, uint64_t object, void *data, size_t size)
1663{
1664}
1665
1666/*ARGSUSED*/
1667static void
1668dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size)
1669{
1670}
1671
428870ff 1672static object_viewer_t *object_viewer[DMU_OT_NUMTYPES + 1] = {
34dc7c2f
BB		 1673 dump_none, /* unallocated */
1674 dump_zap, /* object directory */
1675 dump_uint64, /* object array */
1676 dump_none, /* packed nvlist */
1677 dump_packed_nvlist, /* packed nvlist size */
1678 dump_none, /* bplist */
1679 dump_none, /* bplist header */
1680 dump_none, /* SPA space map header */
1681 dump_none, /* SPA space map */
1682 dump_none, /* ZIL intent log */
1683 dump_dnode, /* DMU dnode */
1684 dump_dmu_objset, /* DMU objset */
1685 dump_dsl_dir, /* DSL directory */
1686 dump_zap, /* DSL directory child map */
1687 dump_zap, /* DSL dataset snap map */
1688 dump_zap, /* DSL props */
1689 dump_dsl_dataset, /* DSL dataset */
1690 dump_znode, /* ZFS znode */
1691 dump_acl, /* ZFS V0 ACL */
1692 dump_uint8, /* ZFS plain file */
1693 dump_zpldir, /* ZFS directory */
1694 dump_zap, /* ZFS master node */
1695 dump_zap, /* ZFS delete queue */
1696 dump_uint8, /* zvol object */
1697 dump_zap, /* zvol prop */
1698 dump_uint8, /* other uint8[] */
1699 dump_uint64, /* other uint64[] */
1700 dump_zap, /* other ZAP */
1701 dump_zap, /* persistent error log */
1702 dump_uint8, /* SPA history */
6f1ffb06 1703 dump_history_offsets, /* SPA history offsets */
34dc7c2f
BB		 1704 dump_zap, /* Pool properties */
1705 dump_zap, /* DSL permissions */
1706 dump_acl, /* ZFS ACL */
1707 dump_uint8, /* ZFS SYSACL */
1708 dump_none, /* FUID nvlist */
1709 dump_packed_nvlist, /* FUID nvlist size */
b128c09f
BB		 1710 dump_zap, /* DSL dataset next clones */
1711 dump_zap, /* DSL scrub queue */
9babb374
BB		 1712 dump_zap, /* ZFS user/group used */
1713 dump_zap, /* ZFS user/group quota */
45d1cae3 1714 dump_zap, /* snapshot refcount tags */
428870ff
BB		 1715 dump_ddt_zap, /* DDT ZAP object */
1716 dump_zap, /* DDT statistics */
1717 dump_znode, /* SA object */
1718 dump_zap, /* SA Master Node */
1719 dump_sa_attrs, /* SA attribute registration */
1720 dump_sa_layouts, /* SA attribute layouts */
1721 dump_zap, /* DSL scrub translations */
1722 dump_none, /* fake dedup BP */
1723 dump_zap, /* deadlist */
1724 dump_none, /* deadlist hdr */
1725 dump_zap, /* dsl clones */
1726 dump_none, /* bpobj subobjs */
1727 dump_unknown, /* Unknown type, must be last */
34dc7c2f
BB		 1728};
1729
1730static void
1731dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header)
1732{
1733 dmu_buf_t *db = NULL;
1734 dmu_object_info_t doi;
1735 dnode_t *dn;
1736 void *bonus = NULL;
1737 size_t bsize = 0;
428870ff
BB		 1738 char iblk[32], dblk[32], lsize[32], asize[32], fill[32];
1739 char bonus_size[32];
34dc7c2f
BB		 1740 char aux[50];
1741 int error;
1742
1743 if (*print_header) {
428870ff
BB		 1744 (void) printf("\n%10s %3s %5s %5s %5s %5s %6s %s\n",
1745 "Object", "lvl", "iblk", "dblk", "dsize", "lsize",
1746 "%full", "type");
34dc7c2f
BB		 1747 *print_header = 0;
1748 }
1749
1750 if (object == 0) {
572e2857 1751 dn = DMU_META_DNODE(os);
34dc7c2f
BB		 1752 } else {
1753 error = dmu_bonus_hold(os, object, FTAG, &db);
1754 if (error)
1755 fatal("dmu_bonus_hold(%llu) failed, errno %u",
1756 object, error);
1757 bonus = db->db_data;
1758 bsize = db->db_size;
572e2857 1759 dn = DB_DNODE((dmu_buf_impl_t *)db);
34dc7c2f
BB		 1760 }
1761 dmu_object_info_from_dnode(dn, &doi);
1762
428870ff
BB		 1763 zdb_nicenum(doi.doi_metadata_block_size, iblk);
1764 zdb_nicenum(doi.doi_data_block_size, dblk);
1765 zdb_nicenum(doi.doi_max_offset, lsize);
1766 zdb_nicenum(doi.doi_physical_blocks_512 << 9, asize);
1767 zdb_nicenum(doi.doi_bonus_size, bonus_size);
1768 (void) sprintf(fill, "%6.2f", 100.0 * doi.doi_fill_count *
1769 doi.doi_data_block_size / (object == 0 ? DNODES_PER_BLOCK : 1) /
1770 doi.doi_max_offset);
34dc7c2f
BB		 1771
1772 aux[0] = '\0';
1773
1774 if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) {
1775 (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)",
428870ff 1776 ZDB_CHECKSUM_NAME(doi.doi_checksum));
34dc7c2f
BB		 1777 }
1778
1779 if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) {
1780 (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)",
428870ff 1781 ZDB_COMPRESS_NAME(doi.doi_compress));
34dc7c2f
BB		 1782 }
1783
428870ff
BB		 1784 (void) printf("%10lld %3u %5s %5s %5s %5s %6s %s%s\n",
1785 (u_longlong_t)object, doi.doi_indirection, iblk, dblk,
1786 asize, lsize, fill, ZDB_OT_NAME(doi.doi_type), aux);
34dc7c2f
BB		 1787
1788 if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) {
428870ff
BB		 1789 (void) printf("%10s %3s %5s %5s %5s %5s %6s %s\n",
1790 "", "", "", "", "", bonus_size, "bonus",
1791 ZDB_OT_NAME(doi.doi_bonus_type));
34dc7c2f
BB		 1792 }
1793
1794 if (verbosity >= 4) {
428870ff 1795 (void) printf("\tdnode flags: %s%s%s\n",
9babb374
BB		 1796 (dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ?
1797 "USED_BYTES " : "",
1798 (dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ?
428870ff
BB		 1799 "USERUSED_ACCOUNTED " : "",
1800 (dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR) ?
1801 "SPILL_BLKPTR" : "");
9babb374
BB		 1802 (void) printf("\tdnode maxblkid: %llu\n",
1803 (longlong_t)dn->dn_phys->dn_maxblkid);
1804
428870ff
BB		 1805 object_viewer[ZDB_OT_TYPE(doi.doi_bonus_type)](os, object,
1806 bonus, bsize);
1807 object_viewer[ZDB_OT_TYPE(doi.doi_type)](os, object, NULL, 0);
34dc7c2f
BB		 1808 *print_header = 1;
1809 }
1810
1811 if (verbosity >= 5)
b128c09f 1812 dump_indirect(dn);
34dc7c2f
BB		 1813
1814 if (verbosity >= 5) {
1815 /*
1816 * Report the list of segments that comprise the object.
1817 */
1818 uint64_t start = 0;
1819 uint64_t end;
1820 uint64_t blkfill = 1;
1821 int minlvl = 1;
1822
1823 if (dn->dn_type == DMU_OT_DNODE) {
1824 minlvl = 0;
1825 blkfill = DNODES_PER_BLOCK;
1826 }
1827
1828 for (;;) {
428870ff 1829 char segsize[32];
b128c09f
BB		 1830 error = dnode_next_offset(dn,
1831 0, &start, minlvl, blkfill, 0);
34dc7c2f
BB		 1832 if (error)
1833 break;
1834 end = start;
b128c09f
BB		 1835 error = dnode_next_offset(dn,
1836 DNODE_FIND_HOLE, &end, minlvl, blkfill, 0);
428870ff 1837 zdb_nicenum(end - start, segsize);
34dc7c2f
BB		 1838 (void) printf("\t\tsegment [%016llx, %016llx)"
1839 " size %5s\n", (u_longlong_t)start,
1840 (u_longlong_t)end, segsize);
1841 if (error)
1842 break;
1843 start = end;
1844 }
1845 }
1846
1847 if (db != NULL)
1848 dmu_buf_rele(db, FTAG);
1849}
1850
1851static char *objset_types[DMU_OST_NUMTYPES] = {
1852 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" };
1853
1854static void
1855dump_dir(objset_t *os)
1856{
1857 dmu_objset_stats_t dds;
1858 uint64_t object, object_count;
1859 uint64_t refdbytes, usedobjs, scratch;
428870ff 1860 char numbuf[32];
9babb374 1861 char blkbuf[BP_SPRINTF_LEN + 20];
34dc7c2f
BB		 1862 char osname[MAXNAMELEN];
1863 char *type = "UNKNOWN";
1864 int verbosity = dump_opt['d'];
1865 int print_header = 1;
1866 int i, error;
1867
13fe0198 1868 dsl_pool_config_enter(dmu_objset_pool(os), FTAG);
34dc7c2f 1869 dmu_objset_fast_stat(os, &dds);
13fe0198 1870 dsl_pool_config_exit(dmu_objset_pool(os), FTAG);
34dc7c2f
BB		 1871
1872 if (dds.dds_type < DMU_OST_NUMTYPES)
1873 type = objset_types[dds.dds_type];
1874
1875 if (dds.dds_type == DMU_OST_META) {
1876 dds.dds_creation_txg = TXG_INITIAL;
9b67f605 1877 usedobjs = BP_GET_FILL(os->os_rootbp);
428870ff 1878 refdbytes = os->os_spa->spa_dsl_pool->
b128c09f 1879 dp_mos_dir->dd_phys->dd_used_bytes;
34dc7c2f
BB		 1880 } else {
1881 dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch);
1882 }
1883
9b67f605 1884 ASSERT3U(usedobjs, ==, BP_GET_FILL(os->os_rootbp));
34dc7c2f 1885
428870ff 1886 zdb_nicenum(refdbytes, numbuf);
34dc7c2f
BB		 1887
1888 if (verbosity >= 4) {
b0bc7a84
MG		 1889 (void) snprintf(blkbuf, sizeof (blkbuf), ", rootbp ");
1890 (void) snprintf_blkptr(blkbuf + strlen(blkbuf),
1891 sizeof (blkbuf) - strlen(blkbuf), os->os_rootbp);
34dc7c2f
BB		 1892 } else {
1893 blkbuf[0] = '\0';
1894 }
1895
1896 dmu_objset_name(os, osname);
1897
1898 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, "
1899 "%s, %llu objects%s\n",
1900 osname, type, (u_longlong_t)dmu_objset_id(os),
1901 (u_longlong_t)dds.dds_creation_txg,
1902 numbuf, (u_longlong_t)usedobjs, blkbuf);
1903
34dc7c2f
BB		 1904 if (zopt_objects != 0) {
1905 for (i = 0; i < zopt_objects; i++)
1906 dump_object(os, zopt_object[i], verbosity,
1907 &print_header);
1908 (void) printf("\n");
1909 return;
1910 }
1911
428870ff
BB		 1912 if (dump_opt['i'] != 0 || verbosity >= 2)
1913 dump_intent_log(dmu_objset_zil(os));
1914
1915 if (dmu_objset_ds(os) != NULL)
1916 dump_deadlist(&dmu_objset_ds(os)->ds_deadlist);
1917
1918 if (verbosity < 2)
1919 return;
1920
b0bc7a84 1921 if (BP_IS_HOLE(os->os_rootbp))
428870ff
BB		 1922 return;
1923
34dc7c2f 1924 dump_object(os, 0, verbosity, &print_header);
9babb374 1925 object_count = 0;
572e2857
BB		 1926 if (DMU_USERUSED_DNODE(os) != NULL &&
1927 DMU_USERUSED_DNODE(os)->dn_type != 0) {
9babb374
BB		 1928 dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header);
1929 dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header);
1930 }
34dc7c2f
BB		 1931
1932 object = 0;
1933 while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) {
1934 dump_object(os, object, verbosity, &print_header);
1935 object_count++;
1936 }
1937
1938 ASSERT3U(object_count, ==, usedobjs);
1939
1940 (void) printf("\n");
1941
9babb374
BB		 1942 if (error != ESRCH) {
1943 (void) fprintf(stderr, "dmu_object_next() = %d\n", error);
1944 abort();
1945 }
34dc7c2f
BB		 1946}
1947
1948static void
428870ff 1949dump_uberblock(uberblock_t *ub, const char *header, const char *footer)
34dc7c2f
BB		 1950{
1951 time_t timestamp = ub->ub_timestamp;
1952
0e5b68e0 1953 (void) printf("%s", header ? header : "");
34dc7c2f
BB		 1954 (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic);
1955 (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version);
1956 (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg);
1957 (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum);
1958 (void) printf("\ttimestamp = %llu UTC = %s",
1959 (u_longlong_t)ub->ub_timestamp, asctime(localtime(&timestamp)));
1960 if (dump_opt['u'] >= 3) {
1961 char blkbuf[BP_SPRINTF_LEN];
b0bc7a84 1962 snprintf_blkptr(blkbuf, sizeof (blkbuf), &ub->ub_rootbp);
34dc7c2f
BB		 1963 (void) printf("\trootbp = %s\n", blkbuf);
1964 }
0e5b68e0 1965 (void) printf("%s", footer ? footer : "");
34dc7c2f
BB		 1966}
1967
1968static void
428870ff 1969dump_config(spa_t *spa)
34dc7c2f 1970{
428870ff
BB		 1971 dmu_buf_t *db;
1972 size_t nvsize = 0;
1973 int error = 0;
34dc7c2f 1974
34dc7c2f 1975
428870ff
BB		 1976 error = dmu_bonus_hold(spa->spa_meta_objset,
1977 spa->spa_config_object, FTAG, &db);
1978
1979 if (error == 0) {
1980 nvsize = *(uint64_t *)db->db_data;
1981 dmu_buf_rele(db, FTAG);
1982
1983 (void) printf("\nMOS Configuration:\n");
1984 dump_packed_nvlist(spa->spa_meta_objset,
1985 spa->spa_config_object, (void *)&nvsize, 1);
1986 } else {
1987 (void) fprintf(stderr, "dmu_bonus_hold(%llu) failed, errno %d",
1988 (u_longlong_t)spa->spa_config_object, error);
1989 }
1990}
1991
1992static void
b128c09f
BB		 1993dump_cachefile(const char *cachefile)
1994{
1995 int fd;
1996 struct stat64 statbuf;
1997 char *buf;
1998 nvlist_t *config;
1999
2000 if ((fd = open64(cachefile, O_RDONLY)) < 0) {
2001 (void) printf("cannot open '%s': %s\n", cachefile,
2002 strerror(errno));
2003 exit(1);
2004 }
2005
2006 if (fstat64(fd, &statbuf) != 0) {
2007 (void) printf("failed to stat '%s': %s\n", cachefile,
2008 strerror(errno));
2009 exit(1);
2010 }
2011
2012 if ((buf = malloc(statbuf.st_size)) == NULL) {
2013 (void) fprintf(stderr, "failed to allocate %llu bytes\n",
2014 (u_longlong_t)statbuf.st_size);
2015 exit(1);
2016 }
2017
2018 if (read(fd, buf, statbuf.st_size) != statbuf.st_size) {
2019 (void) fprintf(stderr, "failed to read %llu bytes\n",
2020 (u_longlong_t)statbuf.st_size);
2021 exit(1);
2022 }
2023
2024 (void) close(fd);
2025
2026 if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) {
2027 (void) fprintf(stderr, "failed to unpack nvlist\n");
2028 exit(1);
2029 }
2030
2031 free(buf);
2032
2033 dump_nvlist(config, 0);
2034
2035 nvlist_free(config);
2036}
2037
428870ff
BB		 2038#define ZDB_MAX_UB_HEADER_SIZE 32
2039
2040static void
2041dump_label_uberblocks(vdev_label_t *lbl, uint64_t ashift)
2042{
2043 vdev_t vd;
2044 vdev_t *vdp = &vd;
2045 char header[ZDB_MAX_UB_HEADER_SIZE];
d6320ddb 2046 int i;
428870ff
BB		 2047
2048 vd.vdev_ashift = ashift;
2049 vdp->vdev_top = vdp;
2050
d6320ddb 2051 for (i = 0; i < VDEV_UBERBLOCK_COUNT(vdp); i++) {
428870ff
BB		 2052 uint64_t uoff = VDEV_UBERBLOCK_OFFSET(vdp, i);
2053 uberblock_t *ub = (void *)((char *)lbl + uoff);
2054
2055 if (uberblock_verify(ub))
2056 continue;
2057 (void) snprintf(header, ZDB_MAX_UB_HEADER_SIZE,
2058 "Uberblock[%d]\n", i);
2059 dump_uberblock(ub, header, "");
2060 }
2061}
2062
34dc7c2f
BB		 2063static void
2064dump_label(const char *dev)
2065{
2066 int fd;
2067 vdev_label_t label;
428870ff 2068 char *path, *buf = label.vl_vdev_phys.vp_nvlist;
34dc7c2f
BB		 2069 size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist);
2070 struct stat64 statbuf;
428870ff
BB		 2071 uint64_t psize, ashift;
2072 int len = strlen(dev) + 1;
d6320ddb 2073 int l;
34dc7c2f 2074
428870ff
BB		 2075 if (strncmp(dev, "/dev/dsk/", 9) == 0) {
2076 len++;
2077 path = malloc(len);
2078 (void) snprintf(path, len, "%s%s", "/dev/rdsk/", dev + 9);
2079 } else {
2080 path = strdup(dev);
2081 }
2082
2083 if ((fd = open64(path, O_RDONLY)) < 0) {
2084 (void) printf("cannot open '%s': %s\n", path, strerror(errno));
2085 free(path);
34dc7c2f
BB		 2086 exit(1);
2087 }
2088
8d4e8140 2089 if (fstat64_blk(fd, &statbuf) != 0) {
428870ff 2090 (void) printf("failed to stat '%s': %s\n", path,
34dc7c2f 2091 strerror(errno));
428870ff
BB		 2092 free(path);
2093 (void) close(fd);
2094 exit(1);
2095 }
2096
34dc7c2f
BB		 2097 psize = statbuf.st_size;
2098 psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t));
2099
d6320ddb 2100 for (l = 0; l < VDEV_LABELS; l++) {
34dc7c2f
BB		 2101 nvlist_t *config = NULL;
2102
2103 (void) printf("--------------------------------------------\n");
2104 (void) printf("LABEL %d\n", l);
2105 (void) printf("--------------------------------------------\n");
2106
2107 if (pread64(fd, &label, sizeof (label),
2108 vdev_label_offset(psize, l, 0)) != sizeof (label)) {
2109 (void) printf("failed to read label %d\n", l);
2110 continue;
2111 }
2112
2113 if (nvlist_unpack(buf, buflen, &config, 0) != 0) {
2114 (void) printf("failed to unpack label %d\n", l);
428870ff
BB		 2115 ashift = SPA_MINBLOCKSHIFT;
2116 } else {
2117 nvlist_t *vdev_tree = NULL;
2118
2119 dump_nvlist(config, 4);
2120 if ((nvlist_lookup_nvlist(config,
2121 ZPOOL_CONFIG_VDEV_TREE, &vdev_tree) != 0) ||
2122 (nvlist_lookup_uint64(vdev_tree,
2123 ZPOOL_CONFIG_ASHIFT, &ashift) != 0))
2124 ashift = SPA_MINBLOCKSHIFT;
2125 nvlist_free(config);
34dc7c2f 2126 }
428870ff
BB		 2127 if (dump_opt['u'])
2128 dump_label_uberblocks(&label, ashift);
34dc7c2f 2129 }
428870ff
BB		 2130
2131 free(path);
2132 (void) close(fd);
34dc7c2f
BB		 2133}
2134
2135/*ARGSUSED*/
2136static int
428870ff 2137dump_one_dir(const char *dsname, void *arg)
34dc7c2f
BB		 2138{
2139 int error;
2140 objset_t *os;
2141
428870ff 2142 error = dmu_objset_own(dsname, DMU_OST_ANY, B_TRUE, FTAG, &os);
34dc7c2f 2143 if (error) {
428870ff 2144 (void) printf("Could not open %s, error %d\n", dsname, error);
34dc7c2f
BB		 2145 return (0);
2146 }
2147 dump_dir(os);
428870ff 2148 dmu_objset_disown(os, FTAG);
34dc7c2f 2149 fuid_table_destroy();
428870ff 2150 sa_loaded = B_FALSE;
34dc7c2f
BB		 2151 return (0);
2152}
2153
34dc7c2f 2154/*
428870ff 2155 * Block statistics.
34dc7c2f 2156 */
d5869641 2157#define PSIZE_HISTO_SIZE (SPA_MAXBLOCKSIZE / SPA_MINBLOCKSIZE + 1)
34dc7c2f 2158typedef struct zdb_blkstats {
d5869641
MA		 2159 uint64_t zb_asize;
2160 uint64_t zb_lsize;
2161 uint64_t zb_psize;
2162 uint64_t zb_count;
2163 uint64_t zb_psize_histogram[PSIZE_HISTO_SIZE];
34dc7c2f
BB		 2164} zdb_blkstats_t;
2165
428870ff
BB		 2166/*
2167 * Extended object types to report deferred frees and dedup auto-ditto blocks.
2168 */
2169#define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0)
2170#define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1)
9ae529ec
CS		 2171#define ZDB_OT_OTHER (DMU_OT_NUMTYPES + 2)
2172#define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 3)
428870ff
BB		 2173
2174static char *zdb_ot_extname[] = {
2175 "deferred free",
2176 "dedup ditto",
9ae529ec 2177 "other",
428870ff
BB		 2178 "Total",
2179};
34dc7c2f 2180
b128c09f 2181#define ZB_TOTAL DN_MAX_LEVELS
34dc7c2f
BB		 2182
2183typedef struct zdb_cb {
428870ff
BB		 2184 zdb_blkstats_t zcb_type[ZB_TOTAL + 1][ZDB_OT_TOTAL + 1];
2185 uint64_t zcb_dedup_asize;
2186 uint64_t zcb_dedup_blocks;
9b67f605
MA		 2187 uint64_t zcb_embedded_blocks[NUM_BP_EMBEDDED_TYPES];
2188 uint64_t zcb_embedded_histogram[NUM_BP_EMBEDDED_TYPES]
2189 [BPE_PAYLOAD_SIZE];
d5869641
MA		 2190 uint64_t zcb_start;
2191 uint64_t zcb_lastprint;
2192 uint64_t zcb_totalasize;
34dc7c2f 2193 uint64_t zcb_errors[256];
34dc7c2f
BB		 2194 int zcb_readfails;
2195 int zcb_haderrors;
428870ff 2196 spa_t *zcb_spa;
34dc7c2f
BB		 2197} zdb_cb_t;
2198
2199static void
428870ff
BB		 2200zdb_count_block(zdb_cb_t *zcb, zilog_t *zilog, const blkptr_t *bp,
2201 dmu_object_type_t type)
34dc7c2f 2202{
428870ff 2203 uint64_t refcnt = 0;
d6320ddb 2204 int i;
428870ff
BB		 2205
2206 ASSERT(type < ZDB_OT_TOTAL);
2207
2208 if (zilog && zil_bp_tree_add(zilog, bp) != 0)
2209 return;
2210
d6320ddb 2211 for (i = 0; i < 4; i++) {
34dc7c2f 2212 int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL;
428870ff 2213 int t = (i & 1) ? type : ZDB_OT_TOTAL;
34dc7c2f
BB		 2214 zdb_blkstats_t *zb = &zcb->zcb_type[l][t];
2215
2216 zb->zb_asize += BP_GET_ASIZE(bp);
2217 zb->zb_lsize += BP_GET_LSIZE(bp);
2218 zb->zb_psize += BP_GET_PSIZE(bp);
2219 zb->zb_count++;
d5869641 2220 zb->zb_psize_histogram[BP_GET_PSIZE(bp) >> SPA_MINBLOCKSHIFT]++;
34dc7c2f
BB		 2221 }
2222
9b67f605
MA		 2223 if (BP_IS_EMBEDDED(bp)) {
2224 zcb->zcb_embedded_blocks[BPE_GET_ETYPE(bp)]++;
2225 zcb->zcb_embedded_histogram[BPE_GET_ETYPE(bp)]
2226 [BPE_GET_PSIZE(bp)]++;
2227 return;
2228 }
2229
428870ff
BB		 2230 if (dump_opt['L'])
2231 return;
2232
2233 if (BP_GET_DEDUP(bp)) {
2234 ddt_t *ddt;
2235 ddt_entry_t *dde;
2236
2237 ddt = ddt_select(zcb->zcb_spa, bp);
2238 ddt_enter(ddt);
2239 dde = ddt_lookup(ddt, bp, B_FALSE);
2240
2241 if (dde == NULL) {
2242 refcnt = 0;
2243 } else {
2244 ddt_phys_t *ddp = ddt_phys_select(dde, bp);
2245 ddt_phys_decref(ddp);
2246 refcnt = ddp->ddp_refcnt;
2247 if (ddt_phys_total_refcnt(dde) == 0)
2248 ddt_remove(ddt, dde);
34dc7c2f 2249 }
428870ff 2250 ddt_exit(ddt);
34dc7c2f
BB		 2251 }
2252
428870ff
BB		 2253 VERIFY3U(zio_wait(zio_claim(NULL, zcb->zcb_spa,
2254 refcnt ? 0 : spa_first_txg(zcb->zcb_spa),
2255 bp, NULL, NULL, ZIO_FLAG_CANFAIL)), ==, 0);
34dc7c2f
BB		 2256}
2257
5853fe79
GW		 2258static void
2259zdb_blkptr_done(zio_t *zio)
2260{
2261 spa_t *spa = zio->io_spa;
2262 blkptr_t *bp = zio->io_bp;
2263 int ioerr = zio->io_error;
2264 zdb_cb_t *zcb = zio->io_private;
5dbd68a3 2265 zbookmark_phys_t *zb = &zio->io_bookmark;
5853fe79
GW		 2266
2267 zio_data_buf_free(zio->io_data, zio->io_size);
2268
2269 mutex_enter(&spa->spa_scrub_lock);
2270 spa->spa_scrub_inflight--;
2271 cv_broadcast(&spa->spa_scrub_io_cv);
2272
2273 if (ioerr && !(zio->io_flags & ZIO_FLAG_SPECULATIVE)) {
2274 char blkbuf[BP_SPRINTF_LEN];
2275
2276 zcb->zcb_haderrors = 1;
2277 zcb->zcb_errors[ioerr]++;
2278
2279 if (dump_opt['b'] >= 2)
b0bc7a84 2280 snprintf_blkptr(blkbuf, sizeof (blkbuf), bp);
5853fe79
GW		 2281 else
2282 blkbuf[0] = '\0';
2283
2284 (void) printf("zdb_blkptr_cb: "
2285 "Got error %d reading "
2286 "<%llu, %llu, %lld, %llx> %s -- skipping\n",
2287 ioerr,
2288 (u_longlong_t)zb->zb_objset,
2289 (u_longlong_t)zb->zb_object,
2290 (u_longlong_t)zb->zb_level,
2291 (u_longlong_t)zb->zb_blkid,
2292 blkbuf);
2293 }
2294 mutex_exit(&spa->spa_scrub_lock);
2295}
2296
34dc7c2f 2297static int
294f6806 2298zdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
5dbd68a3 2299 const zbookmark_phys_t *zb, const dnode_phys_t *dnp, void *arg)
34dc7c2f 2300{
34dc7c2f 2301 zdb_cb_t *zcb = arg;
9babb374 2302 dmu_object_type_t type;
428870ff 2303 boolean_t is_metadata;
34dc7c2f 2304
b0bc7a84
MG		 2305 if (dump_opt['b'] >= 5 && bp->blk_birth > 0) {
2306 char blkbuf[BP_SPRINTF_LEN];
2307 snprintf_blkptr(blkbuf, sizeof (blkbuf), bp);
2308 (void) printf("objset %llu object %llu "
2309 "level %lld offset 0x%llx %s\n",
2310 (u_longlong_t)zb->zb_objset,
2311 (u_longlong_t)zb->zb_object,
2312 (longlong_t)zb->zb_level,
2313 (u_longlong_t)blkid2offset(dnp, bp, zb),
2314 blkbuf);
2315 }
2316
2317 if (BP_IS_HOLE(bp))
b128c09f
BB		 2318 return (0);
2319
9babb374
BB		 2320 type = BP_GET_TYPE(bp);
2321
9ae529ec
CS		 2322 zdb_count_block(zcb, zilog, bp,
2323 (type & DMU_OT_NEWTYPE) ? ZDB_OT_OTHER : type);
b128c09f 2324
9ae529ec 2325 is_metadata = (BP_GET_LEVEL(bp) != 0 || DMU_OT_IS_METADATA(type));
428870ff 2326
9b67f605
MA		 2327 if (!BP_IS_EMBEDDED(bp) &&
2328 (dump_opt['c'] > 1 || (dump_opt['c'] && is_metadata))) {
428870ff 2329 size_t size = BP_GET_PSIZE(bp);
5853fe79 2330 void *data = zio_data_buf_alloc(size);
428870ff 2331 int flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB | ZIO_FLAG_RAW;
9babb374 2332
428870ff
BB		 2333 /* If it's an intent log block, failure is expected. */
2334 if (zb->zb_level == ZB_ZIL_LEVEL)
2335 flags |= ZIO_FLAG_SPECULATIVE;
b128c09f 2336
5853fe79
GW		 2337 mutex_enter(&spa->spa_scrub_lock);
2338 while (spa->spa_scrub_inflight > max_inflight)
2339 cv_wait(&spa->spa_scrub_io_cv, &spa->spa_scrub_lock);
2340 spa->spa_scrub_inflight++;
2341 mutex_exit(&spa->spa_scrub_lock);
428870ff 2342
5853fe79
GW		 2343 zio_nowait(zio_read(NULL, spa, bp, data, size,
2344 zdb_blkptr_done, zcb, ZIO_PRIORITY_ASYNC_READ, flags, zb));
34dc7c2f
BB		 2345 }
2346
2347 zcb->zcb_readfails = 0;
2348
d5869641
MA		 2349 if (dump_opt['b'] < 5 && isatty(STDERR_FILENO) &&
2350 gethrtime() > zcb->zcb_lastprint + NANOSEC) {
2351 uint64_t now = gethrtime();
2352 char buf[10];
2353 uint64_t bytes = zcb->zcb_type[ZB_TOTAL][ZDB_OT_TOTAL].zb_asize;
2354 int kb_per_sec =
2355 1 + bytes / (1 + ((now - zcb->zcb_start) / 1000 / 1000));
2356 int sec_remaining =
2357 (zcb->zcb_totalasize - bytes) / 1024 / kb_per_sec;
2358
2359 zfs_nicenum(bytes, buf, sizeof (buf));
2360 (void) fprintf(stderr,
2361 "\r%5s completed (%4dMB/s) "
2362 "estimated time remaining: %uhr %02umin %02usec ",
2363 buf, kb_per_sec / 1024,
2364 sec_remaining / 60 / 60,
2365 sec_remaining / 60 % 60,
2366 sec_remaining % 60);
2367
2368 zcb->zcb_lastprint = now;
2369 }
2370
34dc7c2f
BB		 2371 return (0);
2372}
2373
428870ff 2374static void
93cf2076 2375zdb_leak(void *arg, uint64_t start, uint64_t size)
428870ff 2376{
93cf2076 2377 vdev_t *vd = arg;
428870ff
BB		 2378
2379 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n",
2380 (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size);
2381}
2382
93cf2076 2383static metaslab_ops_t zdb_metaslab_ops = {
428870ff 2384 NULL, /* alloc */
93cf2076 2385 NULL /* fragmented */
428870ff
BB		 2386};
2387
2388static void
2389zdb_ddt_leak_init(spa_t *spa, zdb_cb_t *zcb)
2390{
2391 ddt_bookmark_t ddb = { 0 };
2392 ddt_entry_t dde;
2393 int error;
d6320ddb 2394 int p;
428870ff
BB		 2395
2396 while ((error = ddt_walk(spa, &ddb, &dde)) == 0) {
2397 blkptr_t blk;
2398 ddt_phys_t *ddp = dde.dde_phys;
2399
2400 if (ddb.ddb_class == DDT_CLASS_UNIQUE)
2401 return;
2402
2403 ASSERT(ddt_phys_total_refcnt(&dde) > 1);
2404
d6320ddb 2405 for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
428870ff
BB		 2406 if (ddp->ddp_phys_birth == 0)
2407 continue;
2408 ddt_bp_create(ddb.ddb_checksum,
2409 &dde.dde_key, ddp, &blk);
2410 if (p == DDT_PHYS_DITTO) {
2411 zdb_count_block(zcb, NULL, &blk, ZDB_OT_DITTO);
2412 } else {
2413 zcb->zcb_dedup_asize +=
2414 BP_GET_ASIZE(&blk) * (ddp->ddp_refcnt - 1);
2415 zcb->zcb_dedup_blocks++;
2416 }
2417 }
2418 if (!dump_opt['L']) {
2419 ddt_t *ddt = spa->spa_ddt[ddb.ddb_checksum];
2420 ddt_enter(ddt);
2421 VERIFY(ddt_lookup(ddt, &blk, B_TRUE) != NULL);
2422 ddt_exit(ddt);
2423 }
2424 }
2425
2426 ASSERT(error == ENOENT);
2427}
2428
2429static void
2430zdb_leak_init(spa_t *spa, zdb_cb_t *zcb)
2431{
2432 zcb->zcb_spa = spa;
d6320ddb 2433 int c, m;
428870ff
BB		 2434
2435 if (!dump_opt['L']) {
2436 vdev_t *rvd = spa->spa_root_vdev;
d6320ddb 2437 for (c = 0; c < rvd->vdev_children; c++) {
428870ff 2438 vdev_t *vd = rvd->vdev_child[c];
d6320ddb 2439 for (m = 0; m < vd->vdev_ms_count; m++) {
428870ff
BB		 2440 metaslab_t *msp = vd->vdev_ms[m];
2441 mutex_enter(&msp->ms_lock);
93cf2076
GW		 2442 metaslab_unload(msp);
2443
2444 /*
2445 * For leak detection, we overload the metaslab
2446 * ms_tree to contain allocated segments
2447 * instead of free segments. As a result,
2448 * we can't use the normal metaslab_load/unload
2449 * interfaces.
2450 */
2451 if (msp->ms_sm != NULL) {
2452 msp->ms_ops = &zdb_metaslab_ops;
2453 VERIFY0(space_map_load(msp->ms_sm,
2454 msp->ms_tree, SM_ALLOC));
2455 msp->ms_loaded = B_TRUE;
2456 }
428870ff
BB		 2457 mutex_exit(&msp->ms_lock);
2458 }
2459 }
2460 }
2461
2462 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
2463
2464 zdb_ddt_leak_init(spa, zcb);
2465
2466 spa_config_exit(spa, SCL_CONFIG, FTAG);
2467}
2468
2469static void
2470zdb_leak_fini(spa_t *spa)
2471{
d6320ddb
BB		 2472 int c, m;
2473
428870ff
BB		 2474 if (!dump_opt['L']) {
2475 vdev_t *rvd = spa->spa_root_vdev;
d6320ddb 2476 for (c = 0; c < rvd->vdev_children; c++) {
428870ff 2477 vdev_t *vd = rvd->vdev_child[c];
d6320ddb 2478 for (m = 0; m < vd->vdev_ms_count; m++) {
428870ff
BB		 2479 metaslab_t *msp = vd->vdev_ms[m];
2480 mutex_enter(&msp->ms_lock);
93cf2076
GW		 2481
2482 /*
2483 * The ms_tree has been overloaded to
2484 * contain allocated segments. Now that we
2485 * finished traversing all blocks, any
2486 * block that remains in the ms_tree
2487 * represents an allocated block that we
2488 * did not claim during the traversal.
2489 * Claimed blocks would have been removed
2490 * from the ms_tree.
2491 */
2492 range_tree_vacate(msp->ms_tree, zdb_leak, vd);
2493 msp->ms_loaded = B_FALSE;
2494
428870ff
BB		 2495 mutex_exit(&msp->ms_lock);
2496 }
2497 }
2498 }
2499}
2500
2501/* ARGSUSED */
2502static int
2503count_block_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
2504{
2505 zdb_cb_t *zcb = arg;
2506
d5869641 2507 if (dump_opt['b'] >= 5) {
428870ff 2508 char blkbuf[BP_SPRINTF_LEN];
b0bc7a84 2509 snprintf_blkptr(blkbuf, sizeof (blkbuf), bp);
428870ff
BB		 2510 (void) printf("[%s] %s\n",
2511 "deferred free", blkbuf);
2512 }
2513 zdb_count_block(zcb, NULL, bp, ZDB_OT_DEFERRED);
2514 return (0);
2515}
2516
34dc7c2f
BB		 2517static int
2518dump_block_stats(spa_t *spa)
2519{
2598c001 2520 zdb_cb_t zcb;
34dc7c2f 2521 zdb_blkstats_t *zb, *tzb;
428870ff
BB		 2522 uint64_t norm_alloc, norm_space, total_alloc, total_found;
2523 int flags = TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA | TRAVERSE_HARD;
9b67f605 2524 boolean_t leaks = B_FALSE;
d6320ddb 2525 int e;
9b67f605 2526 bp_embedded_type_t i;
34dc7c2f 2527
d5869641 2528 (void) printf("\nTraversing all blocks %s%s%s%s%s...\n\n",
428870ff
BB		 2529 (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "",
2530 (dump_opt['c'] == 1) ? "metadata " : "",
2531 dump_opt['c'] ? "checksums " : "",
2532 (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "",
2533 !dump_opt['L'] ? "nothing leaked " : "");
34dc7c2f
BB		 2534
2535 /*
b128c09f
BB		 2536 * Load all space maps as SM_ALLOC maps, then traverse the pool
2537 * claiming each block we discover. If the pool is perfectly
2538 * consistent, the space maps will be empty when we're done.
2539 * Anything left over is a leak; any block we can't claim (because
2540 * it's not part of any space map) is a double allocation,
2541 * reference to a freed block, or an unclaimed log block.
34dc7c2f 2542 */
d1d7e268 2543 bzero(&zcb, sizeof (zdb_cb_t));
428870ff 2544 zdb_leak_init(spa, &zcb);
34dc7c2f
BB		 2545
2546 /*
2547 * If there's a deferred-free bplist, process that first.
2548 */
428870ff
BB		 2549 (void) bpobj_iterate_nofree(&spa->spa_deferred_bpobj,
2550 count_block_cb, &zcb, NULL);
13fe0198
MA		 2551 if (spa_version(spa) >= SPA_VERSION_DEADLISTS) {
2552 (void) bpobj_iterate_nofree(&spa->spa_dsl_pool->dp_free_bpobj,
2553 count_block_cb, &zcb, NULL);
2554 }
fa86b5db 2555 if (spa_feature_is_active(spa, SPA_FEATURE_ASYNC_DESTROY)) {
9ae529ec
CS		 2556 VERIFY3U(0, ==, bptree_iterate(spa->spa_meta_objset,
2557 spa->spa_dsl_pool->dp_bptree_obj, B_FALSE, count_block_cb,
2558 &zcb, NULL));
2559 }
34dc7c2f 2560
428870ff
BB		 2561 if (dump_opt['c'] > 1)
2562 flags |= TRAVERSE_PREFETCH_DATA;
34dc7c2f 2563
d5869641
MA		 2564 zcb.zcb_totalasize = metaslab_class_get_alloc(spa_normal_class(spa));
2565 zcb.zcb_start = zcb.zcb_lastprint = gethrtime();
428870ff 2566 zcb.zcb_haderrors |= traverse_pool(spa, 0, flags, zdb_blkptr_cb, &zcb);
34dc7c2f 2567
5853fe79
GW		 2568 /*
2569 * If we've traversed the data blocks then we need to wait for those
2570 * I/Os to complete. We leverage "The Godfather" zio to wait on
2571 * all async I/Os to complete.
2572 */
2573 if (dump_opt['c']) {
2574 (void) zio_wait(spa->spa_async_zio_root);
2575 spa->spa_async_zio_root = zio_root(spa, NULL, NULL,
2576 ZIO_FLAG_CANFAIL | ZIO_FLAG_SPECULATIVE |
2577 ZIO_FLAG_GODFATHER);
2578 }
2579
428870ff 2580 if (zcb.zcb_haderrors) {
34dc7c2f
BB		 2581 (void) printf("\nError counts:\n\n");
2582 (void) printf("\t%5s %s\n", "errno", "count");
d6320ddb 2583 for (e = 0; e < 256; e++) {
34dc7c2f
BB		 2584 if (zcb.zcb_errors[e] != 0) {
2585 (void) printf("\t%5d %llu\n",
2586 e, (u_longlong_t)zcb.zcb_errors[e]);
2587 }
2588 }
2589 }
2590
2591 /*
2592 * Report any leaked segments.
2593 */
428870ff 2594 zdb_leak_fini(spa);
34dc7c2f 2595
428870ff 2596 tzb = &zcb.zcb_type[ZB_TOTAL][ZDB_OT_TOTAL];
34dc7c2f 2597
428870ff
BB		 2598 norm_alloc = metaslab_class_get_alloc(spa_normal_class(spa));
2599 norm_space = metaslab_class_get_space(spa_normal_class(spa));
34dc7c2f 2600
428870ff
BB		 2601 total_alloc = norm_alloc + metaslab_class_get_alloc(spa_log_class(spa));
2602 total_found = tzb->zb_asize - zcb.zcb_dedup_asize;
34dc7c2f 2603
428870ff 2604 if (total_found == total_alloc) {
fb5f0bc8
BB		 2605 if (!dump_opt['L'])
2606 (void) printf("\n\tNo leaks (block sum matches space"
2607 " maps exactly)\n");
34dc7c2f
BB		 2608 } else {
2609 (void) printf("block traversal size %llu != alloc %llu "
fb5f0bc8 2610 "(%s %lld)\n",
428870ff
BB		 2611 (u_longlong_t)total_found,
2612 (u_longlong_t)total_alloc,
fb5f0bc8 2613 (dump_opt['L']) ? "unreachable" : "leaked",
428870ff 2614 (longlong_t)(total_alloc - total_found));
9b67f605 2615 leaks = B_TRUE;
34dc7c2f
BB		 2616 }
2617
2618 if (tzb->zb_count == 0)
2619 return (2);
2620
2621 (void) printf("\n");
2622 (void) printf("\tbp count: %10llu\n",
2623 (u_longlong_t)tzb->zb_count);
428870ff 2624 (void) printf("\tbp logical: %10llu avg: %6llu\n",
34dc7c2f
BB		 2625 (u_longlong_t)tzb->zb_lsize,
2626 (u_longlong_t)(tzb->zb_lsize / tzb->zb_count));
428870ff
BB		 2627 (void) printf("\tbp physical: %10llu avg:"
2628 " %6llu compression: %6.2f\n",
34dc7c2f
BB		 2629 (u_longlong_t)tzb->zb_psize,
2630 (u_longlong_t)(tzb->zb_psize / tzb->zb_count),
2631 (double)tzb->zb_lsize / tzb->zb_psize);
428870ff
BB		 2632 (void) printf("\tbp allocated: %10llu avg:"
2633 " %6llu compression: %6.2f\n",
34dc7c2f
BB		 2634 (u_longlong_t)tzb->zb_asize,
2635 (u_longlong_t)(tzb->zb_asize / tzb->zb_count),
2636 (double)tzb->zb_lsize / tzb->zb_asize);
428870ff
BB		 2637 (void) printf("\tbp deduped: %10llu ref>1:"
2638 " %6llu deduplication: %6.2f\n",
2639 (u_longlong_t)zcb.zcb_dedup_asize,
2640 (u_longlong_t)zcb.zcb_dedup_blocks,
2641 (double)zcb.zcb_dedup_asize / tzb->zb_asize + 1.0);
2642 (void) printf("\tSPA allocated: %10llu used: %5.2f%%\n",
2643 (u_longlong_t)norm_alloc, 100.0 * norm_alloc / norm_space);
34dc7c2f 2644
9b67f605
MA		 2645 for (i = 0; i < NUM_BP_EMBEDDED_TYPES; i++) {
2646 if (zcb.zcb_embedded_blocks[i] == 0)
2647 continue;
2648 (void) printf("\n");
2649 (void) printf("\tadditional, non-pointer bps of type %u: "
2650 "%10llu\n",
2651 i, (u_longlong_t)zcb.zcb_embedded_blocks[i]);
2652
2653 if (dump_opt['b'] >= 3) {
2654 (void) printf("\t number of (compressed) bytes: "
2655 "number of bps\n");
2656 dump_histogram(zcb.zcb_embedded_histogram[i],
2657 sizeof (zcb.zcb_embedded_histogram[i]) /
2658 sizeof (zcb.zcb_embedded_histogram[i][0]), 0);
2659 }
2660 }
2661
34dc7c2f
BB		 2662 if (dump_opt['b'] >= 2) {
2663 int l, t, level;
2664 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE"
2665 "\t avg\t comp\t%%Total\tType\n");
2666
428870ff
BB		 2667 for (t = 0; t <= ZDB_OT_TOTAL; t++) {
2668 char csize[32], lsize[32], psize[32], asize[32];
2669 char avg[32];
34dc7c2f
BB		 2670 char *typename;
2671
428870ff
BB		 2672 if (t < DMU_OT_NUMTYPES)
2673 typename = dmu_ot[t].ot_name;
2674 else
2675 typename = zdb_ot_extname[t - DMU_OT_NUMTYPES];
34dc7c2f
BB		 2676
2677 if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) {
2678 (void) printf("%6s\t%5s\t%5s\t%5s"
2679 "\t%5s\t%5s\t%6s\t%s\n",
2680 "-",
2681 "-",
2682 "-",
2683 "-",
2684 "-",
2685 "-",
2686 "-",
2687 typename);
2688 continue;
2689 }
2690
2691 for (l = ZB_TOTAL - 1; l >= -1; l--) {
2692 level = (l == -1 ? ZB_TOTAL : l);
2693 zb = &zcb.zcb_type[level][t];
2694
2695 if (zb->zb_asize == 0)
2696 continue;
2697
2698 if (dump_opt['b'] < 3 && level != ZB_TOTAL)
2699 continue;
2700
2701 if (level == 0 && zb->zb_asize ==
2702 zcb.zcb_type[ZB_TOTAL][t].zb_asize)
2703 continue;
2704
428870ff
BB		 2705 zdb_nicenum(zb->zb_count, csize);
2706 zdb_nicenum(zb->zb_lsize, lsize);
2707 zdb_nicenum(zb->zb_psize, psize);
2708 zdb_nicenum(zb->zb_asize, asize);
2709 zdb_nicenum(zb->zb_asize / zb->zb_count, avg);
34dc7c2f
BB		 2710
2711 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s"
2712 "\t%5.2f\t%6.2f\t",
2713 csize, lsize, psize, asize, avg,
2714 (double)zb->zb_lsize / zb->zb_psize,
2715 100.0 * zb->zb_asize / tzb->zb_asize);
2716
2717 if (level == ZB_TOTAL)
2718 (void) printf("%s\n", typename);
2719 else
2720 (void) printf(" L%d %s\n",
2721 level, typename);
d5869641
MA		 2722
2723 if (dump_opt['b'] >= 4) {
2724 (void) printf("psize "
2725 "(in 512-byte sectors): "
2726 "number of blocks\n");
2727 dump_histogram(zb->zb_psize_histogram,
93cf2076 2728 PSIZE_HISTO_SIZE, 0);
d5869641 2729 }
34dc7c2f
BB		 2730 }
2731 }
2732 }
2733
2734 (void) printf("\n");
2735
2736 if (leaks)
2737 return (2);
2738
2739 if (zcb.zcb_haderrors)
2740 return (3);
2741
2742 return (0);
2743}
2744
428870ff
BB		 2745typedef struct zdb_ddt_entry {
2746 ddt_key_t zdde_key;
2747 uint64_t zdde_ref_blocks;
2748 uint64_t zdde_ref_lsize;
2749 uint64_t zdde_ref_psize;
2750 uint64_t zdde_ref_dsize;
2751 avl_node_t zdde_node;
2752} zdb_ddt_entry_t;
2753
2754/* ARGSUSED */
2755static int
2756zdb_ddt_add_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
5dbd68a3 2757 const zbookmark_phys_t *zb, const dnode_phys_t *dnp, void *arg)
428870ff
BB		 2758{
2759 avl_tree_t *t = arg;
2760 avl_index_t where;
2761 zdb_ddt_entry_t *zdde, zdde_search;
2762
9b67f605 2763 if (BP_IS_HOLE(bp) || BP_IS_EMBEDDED(bp))
428870ff
BB		 2764 return (0);
2765
2766 if (dump_opt['S'] > 1 && zb->zb_level == ZB_ROOT_LEVEL) {
2767 (void) printf("traversing objset %llu, %llu objects, "
2768 "%lu blocks so far\n",
2769 (u_longlong_t)zb->zb_objset,
9b67f605 2770 (u_longlong_t)BP_GET_FILL(bp),
428870ff
BB		 2771 avl_numnodes(t));
2772 }
2773
2774 if (BP_IS_HOLE(bp) || BP_GET_CHECKSUM(bp) == ZIO_CHECKSUM_OFF ||
9ae529ec 2775 BP_GET_LEVEL(bp) > 0 || DMU_OT_IS_METADATA(BP_GET_TYPE(bp)))
428870ff
BB		 2776 return (0);
2777
2778 ddt_key_fill(&zdde_search.zdde_key, bp);
2779
2780 zdde = avl_find(t, &zdde_search, &where);
2781
2782 if (zdde == NULL) {
2783 zdde = umem_zalloc(sizeof (*zdde), UMEM_NOFAIL);
2784 zdde->zdde_key = zdde_search.zdde_key;
2785 avl_insert(t, zdde, where);
2786 }
2787
2788 zdde->zdde_ref_blocks += 1;
2789 zdde->zdde_ref_lsize += BP_GET_LSIZE(bp);
2790 zdde->zdde_ref_psize += BP_GET_PSIZE(bp);
2791 zdde->zdde_ref_dsize += bp_get_dsize_sync(spa, bp);
2792
2793 return (0);
2794}
2795
2796static void
2797dump_simulated_ddt(spa_t *spa)
2798{
2799 avl_tree_t t;
2800 void *cookie = NULL;
2801 zdb_ddt_entry_t *zdde;
2598c001
BB		 2802 ddt_histogram_t ddh_total;
2803 ddt_stat_t dds_total;
2804
2805 bzero(&ddh_total, sizeof (ddt_histogram_t));
2806 bzero(&dds_total, sizeof (ddt_stat_t));
428870ff
BB		 2807
2808 avl_create(&t, ddt_entry_compare,
2809 sizeof (zdb_ddt_entry_t), offsetof(zdb_ddt_entry_t, zdde_node));
2810
2811 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
2812
2813 (void) traverse_pool(spa, 0, TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA,
2814 zdb_ddt_add_cb, &t);
2815
2816 spa_config_exit(spa, SCL_CONFIG, FTAG);
2817
2818 while ((zdde = avl_destroy_nodes(&t, &cookie)) != NULL) {
2819 ddt_stat_t dds;
2820 uint64_t refcnt = zdde->zdde_ref_blocks;
2821 ASSERT(refcnt != 0);
2822
2823 dds.dds_blocks = zdde->zdde_ref_blocks / refcnt;
2824 dds.dds_lsize = zdde->zdde_ref_lsize / refcnt;
2825 dds.dds_psize = zdde->zdde_ref_psize / refcnt;
2826 dds.dds_dsize = zdde->zdde_ref_dsize / refcnt;
2827
2828 dds.dds_ref_blocks = zdde->zdde_ref_blocks;
2829 dds.dds_ref_lsize = zdde->zdde_ref_lsize;
2830 dds.dds_ref_psize = zdde->zdde_ref_psize;
2831 dds.dds_ref_dsize = zdde->zdde_ref_dsize;
2832
9bd274dd
MA		 2833 ddt_stat_add(&ddh_total.ddh_stat[highbit64(refcnt) - 1],
2834 &dds, 0);
428870ff
BB		 2835
2836 umem_free(zdde, sizeof (*zdde));
2837 }
2838
2839 avl_destroy(&t);
2840
2841 ddt_histogram_stat(&dds_total, &ddh_total);
2842
2843 (void) printf("Simulated DDT histogram:\n");
2844
2845 zpool_dump_ddt(&dds_total, &ddh_total);
2846
2847 dump_dedup_ratio(&dds_total);
2848}
2849
34dc7c2f
BB		 2850static void
2851dump_zpool(spa_t *spa)
2852{
2853 dsl_pool_t *dp = spa_get_dsl(spa);
2854 int rc = 0;
2855
428870ff
BB		 2856 if (dump_opt['S']) {
2857 dump_simulated_ddt(spa);
2858 return;
2859 }
2860
2861 if (!dump_opt['e'] && dump_opt['C'] > 1) {
2862 (void) printf("\nCached configuration:\n");
2863 dump_nvlist(spa->spa_config, 8);
2864 }
2865
2866 if (dump_opt['C'])
2867 dump_config(spa);
2868
34dc7c2f 2869 if (dump_opt['u'])
428870ff 2870 dump_uberblock(&spa->spa_uberblock, "\nUberblock:\n", "\n");
34dc7c2f 2871
428870ff
BB		 2872 if (dump_opt['D'])
2873 dump_all_ddts(spa);
2874
2875 if (dump_opt['d'] > 2 || dump_opt['m'])
2876 dump_metaslabs(spa);
2877
2878 if (dump_opt['d'] || dump_opt['i']) {
34dc7c2f
BB		 2879 dump_dir(dp->dp_meta_objset);
2880 if (dump_opt['d'] >= 3) {
d1fada1e
MA		 2881 dump_bpobj(&spa->spa_deferred_bpobj,
2882 "Deferred frees", 0);
428870ff
BB		 2883 if (spa_version(spa) >= SPA_VERSION_DEADLISTS) {
2884 dump_bpobj(&spa->spa_dsl_pool->dp_free_bpobj,
d1fada1e 2885 "Pool snapshot frees", 0);
9ae529ec
CS		 2886 }
2887
2888 if (spa_feature_is_active(spa,
fa86b5db 2889 SPA_FEATURE_ASYNC_DESTROY)) {
9ae529ec
CS		 2890 dump_bptree(spa->spa_meta_objset,
2891 spa->spa_dsl_pool->dp_bptree_obj,
2892 "Pool dataset frees");
428870ff 2893 }
34dc7c2f 2894 dump_dtl(spa->spa_root_vdev, 0);
34dc7c2f 2895 }
428870ff
BB		 2896 (void) dmu_objset_find(spa_name(spa), dump_one_dir,
2897 NULL, DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN);
34dc7c2f 2898 }
428870ff 2899 if (dump_opt['b'] || dump_opt['c'])
34dc7c2f
BB		 2900 rc = dump_block_stats(spa);
2901
93cf2076
GW		 2902 if (rc == 0)
2903 rc = verify_spacemap_refcounts(spa);
2904
34dc7c2f
BB		 2905 if (dump_opt['s'])
2906 show_pool_stats(spa);
2907
428870ff
BB		 2908 if (dump_opt['h'])
2909 dump_history(spa);
2910
34dc7c2f
BB		 2911 if (rc != 0)
2912 exit(rc);
2913}
2914
2915#define ZDB_FLAG_CHECKSUM 0x0001
2916#define ZDB_FLAG_DECOMPRESS 0x0002
2917#define ZDB_FLAG_BSWAP 0x0004
2918#define ZDB_FLAG_GBH 0x0008
2919#define ZDB_FLAG_INDIRECT 0x0010
2920#define ZDB_FLAG_PHYS 0x0020
2921#define ZDB_FLAG_RAW 0x0040
2922#define ZDB_FLAG_PRINT_BLKPTR 0x0080
2923
2924int flagbits[256];
2925
2926static void
2927zdb_print_blkptr(blkptr_t *bp, int flags)
2928{
428870ff 2929 char blkbuf[BP_SPRINTF_LEN];
34dc7c2f
BB		 2930
2931 if (flags & ZDB_FLAG_BSWAP)
2932 byteswap_uint64_array((void *)bp, sizeof (blkptr_t));
428870ff 2933
b0bc7a84 2934 snprintf_blkptr(blkbuf, sizeof (blkbuf), bp);
428870ff 2935 (void) printf("%s\n", blkbuf);
34dc7c2f
BB		 2936}
2937
2938static void
2939zdb_dump_indirect(blkptr_t *bp, int nbps, int flags)
2940{
2941 int i;
2942
2943 for (i = 0; i < nbps; i++)
2944 zdb_print_blkptr(&bp[i], flags);
2945}
2946
2947static void
2948zdb_dump_gbh(void *buf, int flags)
2949{
2950 zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags);
2951}
2952
2953static void
2954zdb_dump_block_raw(void *buf, uint64_t size, int flags)
2955{
2956 if (flags & ZDB_FLAG_BSWAP)
2957 byteswap_uint64_array(buf, size);
0e5b68e0 2958 VERIFY(write(fileno(stdout), buf, size) == size);
34dc7c2f
BB		 2959}
2960
2961static void
2962zdb_dump_block(char *label, void *buf, uint64_t size, int flags)
2963{
2964 uint64_t *d = (uint64_t *)buf;
2965 int nwords = size / sizeof (uint64_t);
2966 int do_bswap = !!(flags & ZDB_FLAG_BSWAP);
2967 int i, j;
2968 char *hdr, *c;
2969
2970
2971 if (do_bswap)
2972 hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8";
2973 else
2974 hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f";
2975
2976 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr);
2977
2978 for (i = 0; i < nwords; i += 2) {
2979 (void) printf("%06llx: %016llx %016llx ",
2980 (u_longlong_t)(i * sizeof (uint64_t)),
2981 (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]),
2982 (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1]));
2983
2984 c = (char *)&d[i];
2985 for (j = 0; j < 2 * sizeof (uint64_t); j++)
2986 (void) printf("%c", isprint(c[j]) ? c[j] : '.');
2987 (void) printf("\n");
2988 }
2989}
2990
2991/*
2992 * There are two acceptable formats:
2993 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a
2994 * child[.child]* - For example: 0.1.1
2995 *
2996 * The second form can be used to specify arbitrary vdevs anywhere
2997 * in the heirarchy. For example, in a pool with a mirror of
2998 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 .
2999 */
3000static vdev_t *
3001zdb_vdev_lookup(vdev_t *vdev, char *path)
3002{
3003 char *s, *p, *q;
3004 int i;
3005
3006 if (vdev == NULL)
3007 return (NULL);
3008
3009 /* First, assume the x.x.x.x format */
3010 i = (int)strtoul(path, &s, 10);
3011 if (s == path || (s && *s != '.' && *s != '\0'))
3012 goto name;
3013 if (i < 0 || i >= vdev->vdev_children)
3014 return (NULL);
3015
3016 vdev = vdev->vdev_child[i];
3017 if (*s == '\0')
3018 return (vdev);
3019 return (zdb_vdev_lookup(vdev, s+1));
3020
3021name:
3022 for (i = 0; i < vdev->vdev_children; i++) {
3023 vdev_t *vc = vdev->vdev_child[i];
3024
3025 if (vc->vdev_path == NULL) {
3026 vc = zdb_vdev_lookup(vc, path);
3027 if (vc == NULL)
3028 continue;
3029 else
3030 return (vc);
3031 }
3032
3033 p = strrchr(vc->vdev_path, '/');
3034 p = p ? p + 1 : vc->vdev_path;
3035 q = &vc->vdev_path[strlen(vc->vdev_path) - 2];
3036
3037 if (strcmp(vc->vdev_path, path) == 0)
3038 return (vc);
3039 if (strcmp(p, path) == 0)
3040 return (vc);
3041 if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0)
3042 return (vc);
3043 }
3044
3045 return (NULL);
3046}
3047
3048/*
3049 * Read a block from a pool and print it out. The syntax of the
3050 * block descriptor is:
3051 *
3052 * pool:vdev_specifier:offset:size[:flags]
3053 *
3054 * pool - The name of the pool you wish to read from
3055 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup)
3056 * offset - offset, in hex, in bytes
3057 * size - Amount of data to read, in hex, in bytes
3058 * flags - A string of characters specifying options
3059 * b: Decode a blkptr at given offset within block
3060 * *c: Calculate and display checksums
428870ff 3061 * d: Decompress data before dumping
34dc7c2f 3062 * e: Byteswap data before dumping
428870ff
BB		 3063 * g: Display data as a gang block header
3064 * i: Display as an indirect block
34dc7c2f
BB		 3065 * p: Do I/O to physical offset
3066 * r: Dump raw data to stdout
3067 *
3068 * * = not yet implemented
3069 */
3070static void
428870ff 3071zdb_read_block(char *thing, spa_t *spa)
34dc7c2f 3072{
428870ff
BB		 3073 blkptr_t blk, *bp = &blk;
3074 dva_t *dva = bp->blk_dva;
34dc7c2f 3075 int flags = 0;
428870ff 3076 uint64_t offset = 0, size = 0, psize = 0, lsize = 0, blkptr_offset = 0;
34dc7c2f
BB		 3077 zio_t *zio;
3078 vdev_t *vd;
428870ff
BB		 3079 void *pbuf, *lbuf, *buf;
3080 char *s, *p, *dup, *vdev, *flagstr;
3081 int i, error;
34dc7c2f
BB		 3082
3083 dup = strdup(thing);
3084 s = strtok(dup, ":");
34dc7c2f
BB		 3085 vdev = s ? s : "";
3086 s = strtok(NULL, ":");
3087 offset = strtoull(s ? s : "", NULL, 16);
3088 s = strtok(NULL, ":");
3089 size = strtoull(s ? s : "", NULL, 16);
3090 s = strtok(NULL, ":");
3091 flagstr = s ? s : "";
3092
3093 s = NULL;
3094 if (size == 0)
3095 s = "size must not be zero";
3096 if (!IS_P2ALIGNED(size, DEV_BSIZE))
3097 s = "size must be a multiple of sector size";
3098 if (!IS_P2ALIGNED(offset, DEV_BSIZE))
3099 s = "offset must be a multiple of sector size";
3100 if (s) {
3101 (void) printf("Invalid block specifier: %s - %s\n", thing, s);
3102 free(dup);
3103 return;
3104 }
3105
3106 for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) {
3107 for (i = 0; flagstr[i]; i++) {
3108 int bit = flagbits[(uchar_t)flagstr[i]];
3109
3110 if (bit == 0) {
3111 (void) printf("***Invalid flag: %c\n",
3112 flagstr[i]);
3113 continue;
3114 }
3115 flags |= bit;
3116
3117 /* If it's not something with an argument, keep going */
428870ff 3118 if ((bit & (ZDB_FLAG_CHECKSUM |
34dc7c2f
BB		 3119 ZDB_FLAG_PRINT_BLKPTR)) == 0)
3120 continue;
3121
3122 p = &flagstr[i + 1];
3123 if (bit == ZDB_FLAG_PRINT_BLKPTR)
3124 blkptr_offset = strtoull(p, &p, 16);
3125 if (*p != ':' && *p != '\0') {
3126 (void) printf("***Invalid flag arg: '%s'\n", s);
3127 free(dup);
3128 return;
3129 }
3130 }
3131 }
3132
34dc7c2f
BB		 3133 vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev);
3134 if (vd == NULL) {
3135 (void) printf("***Invalid vdev: %s\n", vdev);
3136 free(dup);
3137 return;
3138 } else {
3139 if (vd->vdev_path)
428870ff
BB		 3140 (void) fprintf(stderr, "Found vdev: %s\n",
3141 vd->vdev_path);
34dc7c2f 3142 else
428870ff 3143 (void) fprintf(stderr, "Found vdev type: %s\n",
34dc7c2f
BB		 3144 vd->vdev_ops->vdev_op_type);
3145 }
3146
428870ff
BB		 3147 psize = size;
3148 lsize = size;
3149
5d3dc3fb 3150 pbuf = umem_alloc_aligned(SPA_MAXBLOCKSIZE, 512, UMEM_NOFAIL);
428870ff
BB		 3151 lbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
3152
3153 BP_ZERO(bp);
34dc7c2f 3154
428870ff
BB		 3155 DVA_SET_VDEV(&dva[0], vd->vdev_id);
3156 DVA_SET_OFFSET(&dva[0], offset);
3157 DVA_SET_GANG(&dva[0], !!(flags & ZDB_FLAG_GBH));
3158 DVA_SET_ASIZE(&dva[0], vdev_psize_to_asize(vd, psize));
3159
3160 BP_SET_BIRTH(bp, TXG_INITIAL, TXG_INITIAL);
3161
3162 BP_SET_LSIZE(bp, lsize);
3163 BP_SET_PSIZE(bp, psize);
3164 BP_SET_COMPRESS(bp, ZIO_COMPRESS_OFF);
3165 BP_SET_CHECKSUM(bp, ZIO_CHECKSUM_OFF);
3166 BP_SET_TYPE(bp, DMU_OT_NONE);
3167 BP_SET_LEVEL(bp, 0);
3168 BP_SET_DEDUP(bp, 0);
3169 BP_SET_BYTEORDER(bp, ZFS_HOST_BYTEORDER);
34dc7c2f 3170
b128c09f 3171 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER);
34dc7c2f 3172 zio = zio_root(spa, NULL, NULL, 0);
428870ff
BB		 3173
3174 if (vd == vd->vdev_top) {
3175 /*
3176 * Treat this as a normal block read.
3177 */
3178 zio_nowait(zio_read(zio, spa, bp, pbuf, psize, NULL, NULL,
3179 ZIO_PRIORITY_SYNC_READ,
3180 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL));
3181 } else {
3182 /*
3183 * Treat this as a vdev child I/O.
3184 */
3185 zio_nowait(zio_vdev_child_io(zio, bp, vd, offset, pbuf, psize,
3186 ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ,
3187 ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE |
3188 ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY |
3189 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL, NULL));
3190 }
3191
34dc7c2f 3192 error = zio_wait(zio);
b128c09f 3193 spa_config_exit(spa, SCL_STATE, FTAG);
34dc7c2f
BB		 3194
3195 if (error) {
3196 (void) printf("Read of %s failed, error: %d\n", thing, error);
3197 goto out;
3198 }
3199
428870ff
BB		 3200 if (flags & ZDB_FLAG_DECOMPRESS) {
3201 /*
3202 * We don't know how the data was compressed, so just try
3203 * every decompress function at every inflated blocksize.
3204 */
3205 enum zio_compress c;
3206 void *pbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
3207 void *lbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
3208
3209 bcopy(pbuf, pbuf2, psize);
3210
3211 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf + psize,
3212 SPA_MAXBLOCKSIZE - psize) == 0);
3213
3214 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf2 + psize,
3215 SPA_MAXBLOCKSIZE - psize) == 0);
3216
3217 for (lsize = SPA_MAXBLOCKSIZE; lsize > psize;
3218 lsize -= SPA_MINBLOCKSIZE) {
3219 for (c = 0; c < ZIO_COMPRESS_FUNCTIONS; c++) {
3220 if (zio_decompress_data(c, pbuf, lbuf,
3221 psize, lsize) == 0 &&
3222 zio_decompress_data(c, pbuf2, lbuf2,
3223 psize, lsize) == 0 &&
3224 bcmp(lbuf, lbuf2, lsize) == 0)
3225 break;
3226 }
3227 if (c != ZIO_COMPRESS_FUNCTIONS)
3228 break;
3229 lsize -= SPA_MINBLOCKSIZE;
3230 }
3231
3232 umem_free(pbuf2, SPA_MAXBLOCKSIZE);
3233 umem_free(lbuf2, SPA_MAXBLOCKSIZE);
3234
3235 if (lsize <= psize) {
3236 (void) printf("Decompress of %s failed\n", thing);
3237 goto out;
3238 }
3239 buf = lbuf;
3240 size = lsize;
3241 } else {
3242 buf = pbuf;
3243 size = psize;
3244 }
3245
34dc7c2f
BB		 3246 if (flags & ZDB_FLAG_PRINT_BLKPTR)
3247 zdb_print_blkptr((blkptr_t *)(void *)
3248 ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags);
3249 else if (flags & ZDB_FLAG_RAW)
3250 zdb_dump_block_raw(buf, size, flags);
3251 else if (flags & ZDB_FLAG_INDIRECT)
3252 zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t),
3253 flags);
3254 else if (flags & ZDB_FLAG_GBH)
3255 zdb_dump_gbh(buf, flags);
3256 else
3257 zdb_dump_block(thing, buf, size, flags);
3258
3259out:
428870ff
BB		 3260 umem_free(pbuf, SPA_MAXBLOCKSIZE);
3261 umem_free(lbuf, SPA_MAXBLOCKSIZE);
34dc7c2f
BB		 3262 free(dup);
3263}
3264
3265static boolean_t
428870ff 3266pool_match(nvlist_t *cfg, char *tgt)
34dc7c2f 3267{
428870ff 3268 uint64_t v, guid = strtoull(tgt, NULL, 0);
34dc7c2f
BB		 3269 char *s;
3270
34dc7c2f 3271 if (guid != 0) {
428870ff
BB		 3272 if (nvlist_lookup_uint64(cfg, ZPOOL_CONFIG_POOL_GUID, &v) == 0)
3273 return (v == guid);
34dc7c2f 3274 } else {
428870ff
BB		 3275 if (nvlist_lookup_string(cfg, ZPOOL_CONFIG_POOL_NAME, &s) == 0)
3276 return (strcmp(s, tgt) == 0);
34dc7c2f 3277 }
428870ff 3278 return (B_FALSE);
34dc7c2f
BB		 3279}
3280
428870ff
BB		 3281static char *
3282find_zpool(char **target, nvlist_t **configp, int dirc, char **dirv)
34dc7c2f
BB		 3283{
3284 nvlist_t *pools;
34dc7c2f 3285 nvlist_t *match = NULL;
428870ff
BB		 3286 char *name = NULL;
3287 char *sepp = NULL;
d4ed6673 3288 char sep = 0;
428870ff
BB		 3289 int count = 0;
3290 importargs_t args = { 0 };
34dc7c2f 3291
428870ff
BB		 3292 args.paths = dirc;
3293 args.path = dirv;
3294 args.can_be_active = B_TRUE;
3295
3296 if ((sepp = strpbrk(*target, "/@")) != NULL) {
3297 sep = *sepp;
3298 *sepp = '\0';
3299 }
3300
3301 pools = zpool_search_import(g_zfs, &args);
34dc7c2f
BB		 3302
3303 if (pools != NULL) {
3304 nvpair_t *elem = NULL;
34dc7c2f
BB		 3305 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) {
3306 verify(nvpair_value_nvlist(elem, configp) == 0);
428870ff
BB		 3307 if (pool_match(*configp, *target)) {
3308 count++;
34dc7c2f 3309 if (match != NULL) {
428870ff
BB		 3310 /* print previously found config */
3311 if (name != NULL) {
3312 (void) printf("%s\n", name);
3313 dump_nvlist(match, 8);
3314 name = NULL;
3315 }
3316 (void) printf("%s\n",
3317 nvpair_name(elem));
3318 dump_nvlist(*configp, 8);
34dc7c2f
BB		 3319 } else {
3320 match = *configp;
428870ff 3321 name = nvpair_name(elem);
34dc7c2f
BB		 3322 }
3323 }
3324 }
3325 }
428870ff
BB		 3326 if (count > 1)
3327 (void) fatal("\tMatched %d pools - use pool GUID "
3328 "instead of pool name or \n"
3329 "\tpool name part of a dataset name to select pool", count);
3330
3331 if (sepp)
3332 *sepp = sep;
3333 /*
3334 * If pool GUID was specified for pool id, replace it with pool name
3335 */
3336 if (name && (strstr(*target, name) != *target)) {
3337 int sz = 1 + strlen(name) + ((sepp) ? strlen(sepp) : 0);
3338
3339 *target = umem_alloc(sz, UMEM_NOFAIL);
3340 (void) snprintf(*target, sz, "%s%s", name, sepp ? sepp : "");
3341 }
34dc7c2f 3342
428870ff 3343 *configp = name ? match : NULL;
34dc7c2f 3344
428870ff 3345 return (name);
34dc7c2f
BB		 3346}
3347
3348int
3349main(int argc, char **argv)
3350{
3351 int i, c;
3352 struct rlimit rl = { 1024, 1024 };
428870ff 3353 spa_t *spa = NULL;
34dc7c2f 3354 objset_t *os = NULL;
34dc7c2f
BB		 3355 int dump_all = 1;
3356 int verbose = 0;
428870ff
BB		 3357 int error = 0;
3358 char **searchdirs = NULL;
3359 int nsearch = 0;
3360 char *target;
3361 nvlist_t *policy = NULL;
3362 uint64_t max_txg = UINT64_MAX;
a5778ea2 3363 int flags = ZFS_IMPORT_MISSING_LOG;
428870ff 3364 int rewind = ZPOOL_NEVER_REWIND;
64d7b6cf 3365 char *spa_config_path_env;
a5778ea2 3366 const char *opts = "bcdhilmM:suCDRSAFLVXevp:t:U:P";
34dc7c2f
BB		 3367
3368 (void) setrlimit(RLIMIT_NOFILE, &rl);
3369 (void) enable_extended_FILE_stdio(-1, -1);
3370
3371 dprintf_setup(&argc, argv);
3372
64d7b6cf
CP		 3373 /*
3374 * If there is an environment variable SPA_CONFIG_PATH it overrides
3375 * default spa_config_path setting. If -U flag is specified it will
3376 * override this environment variable settings once again.
3377 */
3378 spa_config_path_env = getenv("SPA_CONFIG_PATH");
3379 if (spa_config_path_env != NULL)
3380 spa_config_path = spa_config_path_env;
3381
a5778ea2 3382 while ((c = getopt(argc, argv, opts)) != -1) {
34dc7c2f 3383 switch (c) {
34dc7c2f
BB		 3384 case 'b':
3385 case 'c':
428870ff
BB		 3386 case 'd':
3387 case 'h':
3388 case 'i':
3389 case 'l':
9babb374 3390 case 'm':
34dc7c2f 3391 case 's':
428870ff 3392 case 'u':
34dc7c2f 3393 case 'C':
428870ff 3394 case 'D':
34dc7c2f 3395 case 'R':
428870ff 3396 case 'S':
34dc7c2f
BB		 3397 dump_opt[c]++;
3398 dump_all = 0;
3399 break;
428870ff
BB		 3400 case 'A':
3401 case 'F':
fb5f0bc8 3402 case 'L':
428870ff
BB		 3403 case 'X':
3404 case 'e':
3405 case 'P':
fb5f0bc8
BB		 3406 dump_opt[c]++;
3407 break;
a5778ea2
RY		 3408 case 'V':
3409 flags = ZFS_IMPORT_VERBATIM;
3410 break;
34dc7c2f
BB		 3411 case 'v':
3412 verbose++;
3413 break;
5853fe79
GW		 3414 case 'M':
3415 max_inflight = strtoull(optarg, NULL, 0);
3416 if (max_inflight == 0) {
3417 (void) fprintf(stderr, "maximum number "
3418 "of inflight I/Os must be greater "
3419 "than 0\n");
3420 usage();
3421 }
3422 break;
34dc7c2f 3423 case 'p':
428870ff
BB		 3424 if (searchdirs == NULL) {
3425 searchdirs = umem_alloc(sizeof (char *),
3426 UMEM_NOFAIL);
3427 } else {
3428 char **tmp = umem_alloc((nsearch + 1) *
3429 sizeof (char *), UMEM_NOFAIL);
3430 bcopy(searchdirs, tmp, nsearch *
3431 sizeof (char *));
3432 umem_free(searchdirs,
3433 nsearch * sizeof (char *));
3434 searchdirs = tmp;
3435 }
3436 searchdirs[nsearch++] = optarg;
34dc7c2f 3437 break;
fb5f0bc8 3438 case 't':
428870ff
BB		 3439 max_txg = strtoull(optarg, NULL, 0);
3440 if (max_txg < TXG_INITIAL) {
fb5f0bc8
BB		 3441 (void) fprintf(stderr, "incorrect txg "
3442 "specified: %s\n", optarg);
3443 usage();
3444 }
3445 break;
428870ff
BB		 3446 case 'U':
3447 spa_config_path = optarg;
3448 break;
34dc7c2f
BB		 3449 default:
3450 usage();
3451 break;
3452 }
3453 }
3454
428870ff 3455 if (!dump_opt['e'] && searchdirs != NULL) {
b128c09f
BB		 3456 (void) fprintf(stderr, "-p option requires use of -e\n");
3457 usage();
3458 }
34dc7c2f
BB		 3459
3460 kernel_init(FREAD);
9b020fd9
BB		 3461 if ((g_zfs = libzfs_init()) == NULL)
3462 return (1);
34dc7c2f 3463
428870ff
BB		 3464 if (dump_all)
3465 verbose = MAX(verbose, 1);
3466
34dc7c2f 3467 for (c = 0; c < 256; c++) {
428870ff 3468 if (dump_all && !strchr("elAFLRSXP", c))
34dc7c2f
BB		 3469 dump_opt[c] = 1;
3470 if (dump_opt[c])
3471 dump_opt[c] += verbose;
3472 }
3473
428870ff
BB		 3474 aok = (dump_opt['A'] == 1) || (dump_opt['A'] > 2);
3475 zfs_recover = (dump_opt['A'] > 1);
3476
34dc7c2f
BB		 3477 argc -= optind;
3478 argv += optind;
3479
428870ff
BB		 3480 if (argc < 2 && dump_opt['R'])
3481 usage();
34dc7c2f 3482 if (argc < 1) {
428870ff 3483 if (!dump_opt['e'] && dump_opt['C']) {
b128c09f 3484 dump_cachefile(spa_config_path);
34dc7c2f
BB		 3485 return (0);
3486 }
3487 usage();
3488 }
3489
3490 if (dump_opt['l']) {
3491 dump_label(argv[0]);
3492 return (0);
3493 }
3494
428870ff
BB		 3495 if (dump_opt['X'] || dump_opt['F'])
3496 rewind = ZPOOL_DO_REWIND |
3497 (dump_opt['X'] ? ZPOOL_EXTREME_REWIND : 0);
34dc7c2f 3498
428870ff
BB		 3499 if (nvlist_alloc(&policy, NV_UNIQUE_NAME_TYPE, 0) != 0 ||
3500 nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, max_txg) != 0 ||
3501 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind) != 0)
3502 fatal("internal error: %s", strerror(ENOMEM));
34dc7c2f 3503
b128c09f 3504 error = 0;
428870ff 3505 target = argv[0];
34dc7c2f 3506
428870ff
BB		 3507 if (dump_opt['e']) {
3508 nvlist_t *cfg = NULL;
3509 char *name = find_zpool(&target, &cfg, nsearch, searchdirs);
34dc7c2f 3510
428870ff
BB		 3511 error = ENOENT;
3512 if (name) {
3513 if (dump_opt['C'] > 1) {
3514 (void) printf("\nConfiguration for import:\n");
3515 dump_nvlist(cfg, 8);
3516 }
3517 if (nvlist_add_nvlist(cfg,
3518 ZPOOL_REWIND_POLICY, policy) != 0) {
3519 fatal("can't open '%s': %s",
3520 target, strerror(ENOMEM));
3521 }
a5778ea2 3522 error = spa_import(name, cfg, NULL, flags);
34dc7c2f 3523 }
b128c09f
BB		 3524 }
3525
3526 if (error == 0) {
428870ff
BB		 3527 if (strpbrk(target, "/@") == NULL || dump_opt['R']) {
3528 error = spa_open_rewind(target, &spa, FTAG, policy,
3529 NULL);
3530 if (error) {
3531 /*
3532 * If we're missing the log device then
3533 * try opening the pool after clearing the
3534 * log state.
3535 */
3536 mutex_enter(&spa_namespace_lock);
3537 if ((spa = spa_lookup(target)) != NULL &&
3538 spa->spa_log_state == SPA_LOG_MISSING) {
3539 spa->spa_log_state = SPA_LOG_CLEAR;
3540 error = 0;
3541 }
3542 mutex_exit(&spa_namespace_lock);
3543
3544 if (!error) {
3545 error = spa_open_rewind(target, &spa,
3546 FTAG, policy, NULL);
3547 }
3548 }
b128c09f 3549 } else {
428870ff
BB		 3550 error = dmu_objset_own(target, DMU_OST_ANY,
3551 B_TRUE, FTAG, &os);
b128c09f 3552 }
34dc7c2f 3553 }
428870ff 3554 nvlist_free(policy);
34dc7c2f
BB		 3555
3556 if (error)
428870ff 3557 fatal("can't open '%s': %s", target, strerror(error));
34dc7c2f
BB		 3558
3559 argv++;
428870ff
BB		 3560 argc--;
3561 if (!dump_opt['R']) {
3562 if (argc > 0) {
3563 zopt_objects = argc;
3564 zopt_object = calloc(zopt_objects, sizeof (uint64_t));
3565 for (i = 0; i < zopt_objects; i++) {
3566 errno = 0;
3567 zopt_object[i] = strtoull(argv[i], NULL, 0);
3568 if (zopt_object[i] == 0 && errno != 0)
3569 fatal("bad number %s: %s",
3570 argv[i], strerror(errno));
3571 }
34dc7c2f 3572 }
e6f7d015
CS		 3573 if (os != NULL) {
3574 dump_dir(os);
3575 } else if (zopt_objects > 0 && !dump_opt['m']) {
3576 dump_dir(spa->spa_meta_objset);
3577 } else {
3578 dump_zpool(spa);
3579 }
34dc7c2f 3580 } else {
428870ff
BB		 3581 flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR;
3582 flagbits['c'] = ZDB_FLAG_CHECKSUM;
3583 flagbits['d'] = ZDB_FLAG_DECOMPRESS;
3584 flagbits['e'] = ZDB_FLAG_BSWAP;
3585 flagbits['g'] = ZDB_FLAG_GBH;
3586 flagbits['i'] = ZDB_FLAG_INDIRECT;
3587 flagbits['p'] = ZDB_FLAG_PHYS;
3588 flagbits['r'] = ZDB_FLAG_RAW;
3589
3590 for (i = 0; i < argc; i++)
3591 zdb_read_block(argv[i], spa);
34dc7c2f
BB		 3592 }
3593
428870ff
BB		 3594 (os != NULL) ? dmu_objset_disown(os, FTAG) : spa_close(spa, FTAG);
3595
34dc7c2f 3596 fuid_table_destroy();
428870ff 3597 sa_loaded = B_FALSE;
34dc7c2f
BB		 3598
3599 libzfs_fini(g_zfs);
3600 kernel_fini();
3601
3602 return (0);
3603}
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