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.
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.
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]
23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Copyright (c) 2013 by Delphix. All rights reserved.
29 #include <stdio_ext.h>
32 #include <sys/zfs_context.h>
34 #include <sys/spa_impl.h>
37 #include <sys/fs/zfs.h>
38 #include <sys/zfs_znode.h>
39 #include <sys/zfs_sa.h>
41 #include <sys/sa_impl.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>
51 #include <sys/zil_impl.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>
60 #include <sys/zfeature.h>
61 #include <zfs_comutil.h>
66 #define ZDB_COMPRESS_NAME(idx) ((idx) < ZIO_COMPRESS_FUNCTIONS ? \
67 zio_compress_table[(idx)].ci_name : "UNKNOWN")
68 #define ZDB_CHECKSUM_NAME(idx) ((idx) < ZIO_CHECKSUM_FUNCTIONS ? \
69 zio_checksum_table[(idx)].ci_name : "UNKNOWN")
70 #define ZDB_OT_NAME(idx) ((idx) < DMU_OT_NUMTYPES ? \
71 dmu_ot[(idx)].ot_name : DMU_OT_IS_VALID(idx) ? \
72 dmu_ot_byteswap[DMU_OT_BYTESWAP(idx)].ob_name : "UNKNOWN")
73 #define ZDB_OT_TYPE(idx) ((idx) < DMU_OT_NUMTYPES ? (idx) : \
74 (((idx) == DMU_OTN_ZAP_DATA || (idx) == DMU_OTN_ZAP_METADATA) ? \
75 DMU_OT_ZAP_OTHER : DMU_OT_NUMTYPES))
78 extern int zfs_recover;
83 const char cmdname[] = "zdb";
84 uint8_t dump_opt[256];
86 typedef void object_viewer_t(objset_t *, uint64_t, void *data, size_t size);
88 extern void dump_intent_log(zilog_t *);
89 uint64_t *zopt_object = NULL;
91 libzfs_handle_t *g_zfs;
94 * These libumem hooks provide a reasonable set of defaults for the allocator's
95 * debugging facilities.
100 return ("default,verbose"); /* $UMEM_DEBUG setting */
104 _umem_logging_init(void)
106 return ("fail,contents"); /* $UMEM_LOGGING setting */
112 (void) fprintf(stderr,
113 "Usage: %s [-CumdibcsDvhLXFPA] [-t txg] [-e [-p path...]]"
114 "poolname [object...]\n"
115 " %s [-divPA] [-e -p path...] dataset [object...]\n"
116 " %s -m [-LXFPA] [-t txg] [-e [-p path...]]"
117 "poolname [vdev [metaslab...]]\n"
118 " %s -R [-A] [-e [-p path...]] poolname "
119 "vdev:offset:size[:flags]\n"
120 " %s -S [-PA] [-e [-p path...]] poolname\n"
121 " %s -l [-uA] device\n"
122 " %s -C [-A] [-U config]\n\n",
123 cmdname, cmdname, cmdname, cmdname, cmdname, cmdname, cmdname);
125 (void) fprintf(stderr, " Dataset name must include at least one "
126 "separator character '/' or '@'\n");
127 (void) fprintf(stderr, " If dataset name is specified, only that "
128 "dataset is dumped\n");
129 (void) fprintf(stderr, " If object numbers are specified, only "
130 "those objects are dumped\n\n");
131 (void) fprintf(stderr, " Options to control amount of output:\n");
132 (void) fprintf(stderr, " -u uberblock\n");
133 (void) fprintf(stderr, " -d dataset(s)\n");
134 (void) fprintf(stderr, " -i intent logs\n");
135 (void) fprintf(stderr, " -C config (or cachefile if alone)\n");
136 (void) fprintf(stderr, " -h pool history\n");
137 (void) fprintf(stderr, " -b block statistics\n");
138 (void) fprintf(stderr, " -m metaslabs\n");
139 (void) fprintf(stderr, " -c checksum all metadata (twice for "
140 "all data) blocks\n");
141 (void) fprintf(stderr, " -s report stats on zdb's I/O\n");
142 (void) fprintf(stderr, " -D dedup statistics\n");
143 (void) fprintf(stderr, " -S simulate dedup to measure effect\n");
144 (void) fprintf(stderr, " -v verbose (applies to all others)\n");
145 (void) fprintf(stderr, " -l dump label contents\n");
146 (void) fprintf(stderr, " -L disable leak tracking (do not "
147 "load spacemaps)\n");
148 (void) fprintf(stderr, " -R read and display block from a "
150 (void) fprintf(stderr, " Below options are intended for use "
151 "with other options (except -l):\n");
152 (void) fprintf(stderr, " -A ignore assertions (-A), enable "
153 "panic recovery (-AA) or both (-AAA)\n");
154 (void) fprintf(stderr, " -F attempt automatic rewind within "
155 "safe range of transaction groups\n");
156 (void) fprintf(stderr, " -U <cachefile_path> -- use alternate "
158 (void) fprintf(stderr, " -X attempt extreme rewind (does not "
159 "work with dataset)\n");
160 (void) fprintf(stderr, " -e pool is exported/destroyed/"
161 "has altroot/not in a cachefile\n");
162 (void) fprintf(stderr, " -p <path> -- use one or more with "
163 "-e to specify path to vdev dir\n");
164 (void) fprintf(stderr, " -P print numbers in parseable form\n");
165 (void) fprintf(stderr, " -t <txg> -- highest txg to use when "
166 "searching for uberblocks\n");
167 (void) fprintf(stderr, "Specify an option more than once (e.g. -bb) "
168 "to make only that option verbose\n");
169 (void) fprintf(stderr, "Default is to dump everything non-verbosely\n");
174 * Called for usage errors that are discovered after a call to spa_open(),
175 * dmu_bonus_hold(), or pool_match(). abort() is called for other errors.
179 fatal(const char *fmt, ...)
184 (void) fprintf(stderr, "%s: ", cmdname);
185 (void) vfprintf(stderr, fmt, ap);
187 (void) fprintf(stderr, "\n");
194 dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size)
197 size_t nvsize = *(uint64_t *)data;
198 char *packed = umem_alloc(nvsize, UMEM_NOFAIL);
200 VERIFY(0 == dmu_read(os, object, 0, nvsize, packed, DMU_READ_PREFETCH));
202 VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0);
204 umem_free(packed, nvsize);
213 dump_history_offsets(objset_t *os, uint64_t object, void *data, size_t size)
215 spa_history_phys_t *shp = data;
220 (void) printf("\t\tpool_create_len = %llu\n",
221 (u_longlong_t)shp->sh_pool_create_len);
222 (void) printf("\t\tphys_max_off = %llu\n",
223 (u_longlong_t)shp->sh_phys_max_off);
224 (void) printf("\t\tbof = %llu\n",
225 (u_longlong_t)shp->sh_bof);
226 (void) printf("\t\teof = %llu\n",
227 (u_longlong_t)shp->sh_eof);
228 (void) printf("\t\trecords_lost = %llu\n",
229 (u_longlong_t)shp->sh_records_lost);
233 zdb_nicenum(uint64_t num, char *buf)
236 (void) sprintf(buf, "%llu", (longlong_t)num);
241 const char histo_stars[] = "****************************************";
242 const int histo_width = sizeof (histo_stars) - 1;
245 dump_histogram(const uint64_t *histo, int size, int offset)
248 int minidx = size - 1;
252 for (i = 0; i < size; i++) {
255 if (histo[i] > 0 && i > maxidx)
257 if (histo[i] > 0 && i < minidx)
261 if (max < histo_width)
264 for (i = minidx; i <= maxidx; i++) {
265 (void) printf("\t\t\t%3u: %6llu %s\n",
266 i + offset, (u_longlong_t)histo[i],
267 &histo_stars[(max - histo[i]) * histo_width / max]);
272 dump_zap_stats(objset_t *os, uint64_t object)
277 error = zap_get_stats(os, object, &zs);
281 if (zs.zs_ptrtbl_len == 0) {
282 ASSERT(zs.zs_num_blocks == 1);
283 (void) printf("\tmicrozap: %llu bytes, %llu entries\n",
284 (u_longlong_t)zs.zs_blocksize,
285 (u_longlong_t)zs.zs_num_entries);
289 (void) printf("\tFat ZAP stats:\n");
291 (void) printf("\t\tPointer table:\n");
292 (void) printf("\t\t\t%llu elements\n",
293 (u_longlong_t)zs.zs_ptrtbl_len);
294 (void) printf("\t\t\tzt_blk: %llu\n",
295 (u_longlong_t)zs.zs_ptrtbl_zt_blk);
296 (void) printf("\t\t\tzt_numblks: %llu\n",
297 (u_longlong_t)zs.zs_ptrtbl_zt_numblks);
298 (void) printf("\t\t\tzt_shift: %llu\n",
299 (u_longlong_t)zs.zs_ptrtbl_zt_shift);
300 (void) printf("\t\t\tzt_blks_copied: %llu\n",
301 (u_longlong_t)zs.zs_ptrtbl_blks_copied);
302 (void) printf("\t\t\tzt_nextblk: %llu\n",
303 (u_longlong_t)zs.zs_ptrtbl_nextblk);
305 (void) printf("\t\tZAP entries: %llu\n",
306 (u_longlong_t)zs.zs_num_entries);
307 (void) printf("\t\tLeaf blocks: %llu\n",
308 (u_longlong_t)zs.zs_num_leafs);
309 (void) printf("\t\tTotal blocks: %llu\n",
310 (u_longlong_t)zs.zs_num_blocks);
311 (void) printf("\t\tzap_block_type: 0x%llx\n",
312 (u_longlong_t)zs.zs_block_type);
313 (void) printf("\t\tzap_magic: 0x%llx\n",
314 (u_longlong_t)zs.zs_magic);
315 (void) printf("\t\tzap_salt: 0x%llx\n",
316 (u_longlong_t)zs.zs_salt);
318 (void) printf("\t\tLeafs with 2^n pointers:\n");
319 dump_histogram(zs.zs_leafs_with_2n_pointers, ZAP_HISTOGRAM_SIZE, 0);
321 (void) printf("\t\tBlocks with n*5 entries:\n");
322 dump_histogram(zs.zs_blocks_with_n5_entries, ZAP_HISTOGRAM_SIZE, 0);
324 (void) printf("\t\tBlocks n/10 full:\n");
325 dump_histogram(zs.zs_blocks_n_tenths_full, ZAP_HISTOGRAM_SIZE, 0);
327 (void) printf("\t\tEntries with n chunks:\n");
328 dump_histogram(zs.zs_entries_using_n_chunks, ZAP_HISTOGRAM_SIZE, 0);
330 (void) printf("\t\tBuckets with n entries:\n");
331 dump_histogram(zs.zs_buckets_with_n_entries, ZAP_HISTOGRAM_SIZE, 0);
336 dump_none(objset_t *os, uint64_t object, void *data, size_t size)
342 dump_unknown(objset_t *os, uint64_t object, void *data, size_t size)
344 (void) printf("\tUNKNOWN OBJECT TYPE\n");
349 dump_uint8(objset_t *os, uint64_t object, void *data, size_t size)
355 dump_uint64(objset_t *os, uint64_t object, void *data, size_t size)
361 dump_zap(objset_t *os, uint64_t object, void *data, size_t size)
364 zap_attribute_t attr;
368 dump_zap_stats(os, object);
371 for (zap_cursor_init(&zc, os, object);
372 zap_cursor_retrieve(&zc, &attr) == 0;
373 zap_cursor_advance(&zc)) {
374 (void) printf("\t\t%s = ", attr.za_name);
375 if (attr.za_num_integers == 0) {
379 prop = umem_zalloc(attr.za_num_integers *
380 attr.za_integer_length, UMEM_NOFAIL);
381 (void) zap_lookup(os, object, attr.za_name,
382 attr.za_integer_length, attr.za_num_integers, prop);
383 if (attr.za_integer_length == 1) {
384 (void) printf("%s", (char *)prop);
386 for (i = 0; i < attr.za_num_integers; i++) {
387 switch (attr.za_integer_length) {
390 ((uint16_t *)prop)[i]);
394 ((uint32_t *)prop)[i]);
397 (void) printf("%lld ",
398 (u_longlong_t)((int64_t *)prop)[i]);
404 umem_free(prop, attr.za_num_integers * attr.za_integer_length);
406 zap_cursor_fini(&zc);
411 dump_ddt_zap(objset_t *os, uint64_t object, void *data, size_t size)
413 dump_zap_stats(os, object);
414 /* contents are printed elsewhere, properly decoded */
419 dump_sa_attrs(objset_t *os, uint64_t object, void *data, size_t size)
422 zap_attribute_t attr;
424 dump_zap_stats(os, object);
427 for (zap_cursor_init(&zc, os, object);
428 zap_cursor_retrieve(&zc, &attr) == 0;
429 zap_cursor_advance(&zc)) {
430 (void) printf("\t\t%s = ", attr.za_name);
431 if (attr.za_num_integers == 0) {
435 (void) printf(" %llx : [%d:%d:%d]\n",
436 (u_longlong_t)attr.za_first_integer,
437 (int)ATTR_LENGTH(attr.za_first_integer),
438 (int)ATTR_BSWAP(attr.za_first_integer),
439 (int)ATTR_NUM(attr.za_first_integer));
441 zap_cursor_fini(&zc);
446 dump_sa_layouts(objset_t *os, uint64_t object, void *data, size_t size)
449 zap_attribute_t attr;
450 uint16_t *layout_attrs;
453 dump_zap_stats(os, object);
456 for (zap_cursor_init(&zc, os, object);
457 zap_cursor_retrieve(&zc, &attr) == 0;
458 zap_cursor_advance(&zc)) {
459 (void) printf("\t\t%s = [", attr.za_name);
460 if (attr.za_num_integers == 0) {
465 VERIFY(attr.za_integer_length == 2);
466 layout_attrs = umem_zalloc(attr.za_num_integers *
467 attr.za_integer_length, UMEM_NOFAIL);
469 VERIFY(zap_lookup(os, object, attr.za_name,
470 attr.za_integer_length,
471 attr.za_num_integers, layout_attrs) == 0);
473 for (i = 0; i != attr.za_num_integers; i++)
474 (void) printf(" %d ", (int)layout_attrs[i]);
475 (void) printf("]\n");
476 umem_free(layout_attrs,
477 attr.za_num_integers * attr.za_integer_length);
479 zap_cursor_fini(&zc);
484 dump_zpldir(objset_t *os, uint64_t object, void *data, size_t size)
487 zap_attribute_t attr;
488 const char *typenames[] = {
489 /* 0 */ "not specified",
491 /* 2 */ "Character Device",
492 /* 3 */ "3 (invalid)",
494 /* 5 */ "5 (invalid)",
495 /* 6 */ "Block Device",
496 /* 7 */ "7 (invalid)",
497 /* 8 */ "Regular File",
498 /* 9 */ "9 (invalid)",
499 /* 10 */ "Symbolic Link",
500 /* 11 */ "11 (invalid)",
503 /* 14 */ "Event Port",
504 /* 15 */ "15 (invalid)",
507 dump_zap_stats(os, object);
510 for (zap_cursor_init(&zc, os, object);
511 zap_cursor_retrieve(&zc, &attr) == 0;
512 zap_cursor_advance(&zc)) {
513 (void) printf("\t\t%s = %lld (type: %s)\n",
514 attr.za_name, ZFS_DIRENT_OBJ(attr.za_first_integer),
515 typenames[ZFS_DIRENT_TYPE(attr.za_first_integer)]);
517 zap_cursor_fini(&zc);
521 get_dtl_refcount(vdev_t *vd)
525 if (vd->vdev_ops->vdev_op_leaf) {
526 space_map_t *sm = vd->vdev_dtl_sm;
529 sm->sm_dbuf->db_size == sizeof (space_map_phys_t))
534 for (int c = 0; c < vd->vdev_children; c++)
535 refcount += get_dtl_refcount(vd->vdev_child[c]);
540 get_metaslab_refcount(vdev_t *vd)
544 if (vd->vdev_top == vd) {
545 for (int m = 0; m < vd->vdev_ms_count; m++) {
546 space_map_t *sm = vd->vdev_ms[m]->ms_sm;
549 sm->sm_dbuf->db_size == sizeof (space_map_phys_t))
553 for (int c = 0; c < vd->vdev_children; c++)
554 refcount += get_metaslab_refcount(vd->vdev_child[c]);
560 verify_spacemap_refcounts(spa_t *spa)
562 uint64_t expected_refcount = 0;
563 uint64_t actual_refcount;
565 (void) feature_get_refcount(spa,
566 &spa_feature_table[SPA_FEATURE_SPACEMAP_HISTOGRAM],
568 actual_refcount = get_dtl_refcount(spa->spa_root_vdev);
569 actual_refcount += get_metaslab_refcount(spa->spa_root_vdev);
571 if (expected_refcount != actual_refcount) {
572 (void) printf("space map refcount mismatch: expected %lld != "
574 (longlong_t)expected_refcount,
575 (longlong_t)actual_refcount);
582 dump_spacemap(objset_t *os, space_map_t *sm)
584 uint64_t alloc, offset, entry;
585 char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID",
586 "INVALID", "INVALID", "INVALID", "INVALID" };
592 * Print out the freelist entries in both encoded and decoded form.
595 for (offset = 0; offset < space_map_length(sm);
596 offset += sizeof (entry)) {
597 uint8_t mapshift = sm->sm_shift;
599 VERIFY0(dmu_read(os, space_map_object(sm), offset,
600 sizeof (entry), &entry, DMU_READ_PREFETCH));
601 if (SM_DEBUG_DECODE(entry)) {
603 (void) printf("\t [%6llu] %s: txg %llu, pass %llu\n",
604 (u_longlong_t)(offset / sizeof (entry)),
605 ddata[SM_DEBUG_ACTION_DECODE(entry)],
606 (u_longlong_t)SM_DEBUG_TXG_DECODE(entry),
607 (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry));
609 (void) printf("\t [%6llu] %c range:"
610 " %010llx-%010llx size: %06llx\n",
611 (u_longlong_t)(offset / sizeof (entry)),
612 SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F',
613 (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
614 mapshift) + sm->sm_start),
615 (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
616 mapshift) + sm->sm_start +
617 (SM_RUN_DECODE(entry) << mapshift)),
618 (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift));
619 if (SM_TYPE_DECODE(entry) == SM_ALLOC)
620 alloc += SM_RUN_DECODE(entry) << mapshift;
622 alloc -= SM_RUN_DECODE(entry) << mapshift;
625 if (alloc != space_map_allocated(sm)) {
626 (void) printf("space_map_object alloc (%llu) INCONSISTENT "
627 "with space map summary (%llu)\n",
628 (u_longlong_t)space_map_allocated(sm), (u_longlong_t)alloc);
633 dump_metaslab_stats(metaslab_t *msp)
636 range_tree_t *rt = msp->ms_tree;
637 avl_tree_t *t = &msp->ms_size_tree;
638 int free_pct = range_tree_space(rt) * 100 / msp->ms_size;
640 zdb_nicenum(metaslab_block_maxsize(msp), maxbuf);
642 (void) printf("\t %25s %10lu %7s %6s %4s %4d%%\n",
643 "segments", avl_numnodes(t), "maxsize", maxbuf,
644 "freepct", free_pct);
645 (void) printf("\tIn-memory histogram:\n");
646 dump_histogram(rt->rt_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0);
650 dump_metaslab(metaslab_t *msp)
652 vdev_t *vd = msp->ms_group->mg_vd;
653 spa_t *spa = vd->vdev_spa;
654 space_map_t *sm = msp->ms_sm;
657 zdb_nicenum(msp->ms_size - space_map_allocated(sm), freebuf);
660 "\tmetaslab %6llu offset %12llx spacemap %6llu free %5s\n",
661 (u_longlong_t)msp->ms_id, (u_longlong_t)msp->ms_start,
662 (u_longlong_t)space_map_object(sm), freebuf);
664 if (dump_opt['m'] > 2 && !dump_opt['L']) {
665 mutex_enter(&msp->ms_lock);
666 metaslab_load_wait(msp);
667 if (!msp->ms_loaded) {
668 VERIFY0(metaslab_load(msp));
669 range_tree_stat_verify(msp->ms_tree);
671 dump_metaslab_stats(msp);
672 metaslab_unload(msp);
673 mutex_exit(&msp->ms_lock);
676 if (dump_opt['m'] > 1 && sm != NULL &&
677 spa_feature_is_active(spa, SPA_FEATURE_SPACEMAP_HISTOGRAM)) {
679 * The space map histogram represents free space in chunks
680 * of sm_shift (i.e. bucket 0 refers to 2^sm_shift).
682 (void) printf("\tOn-disk histogram:\n");
683 dump_histogram(sm->sm_phys->smp_histogram,
684 SPACE_MAP_HISTOGRAM_SIZE(sm), sm->sm_shift);
687 if (dump_opt['d'] > 5 || dump_opt['m'] > 3) {
688 ASSERT(msp->ms_size == (1ULL << vd->vdev_ms_shift));
690 mutex_enter(&msp->ms_lock);
691 dump_spacemap(spa->spa_meta_objset, msp->ms_sm);
692 mutex_exit(&msp->ms_lock);
697 print_vdev_metaslab_header(vdev_t *vd)
699 (void) printf("\tvdev %10llu\n\t%-10s%5llu %-19s %-15s %-10s\n",
700 (u_longlong_t)vd->vdev_id,
701 "metaslabs", (u_longlong_t)vd->vdev_ms_count,
702 "offset", "spacemap", "free");
703 (void) printf("\t%15s %19s %15s %10s\n",
704 "---------------", "-------------------",
705 "---------------", "-------------");
709 dump_metaslabs(spa_t *spa)
711 vdev_t *vd, *rvd = spa->spa_root_vdev;
712 uint64_t m, c = 0, children = rvd->vdev_children;
714 (void) printf("\nMetaslabs:\n");
716 if (!dump_opt['d'] && zopt_objects > 0) {
720 (void) fatal("bad vdev id: %llu", (u_longlong_t)c);
722 if (zopt_objects > 1) {
723 vd = rvd->vdev_child[c];
724 print_vdev_metaslab_header(vd);
726 for (m = 1; m < zopt_objects; m++) {
727 if (zopt_object[m] < vd->vdev_ms_count)
729 vd->vdev_ms[zopt_object[m]]);
731 (void) fprintf(stderr, "bad metaslab "
733 (u_longlong_t)zopt_object[m]);
740 for (; c < children; c++) {
741 vd = rvd->vdev_child[c];
742 print_vdev_metaslab_header(vd);
744 for (m = 0; m < vd->vdev_ms_count; m++)
745 dump_metaslab(vd->vdev_ms[m]);
751 dump_dde(const ddt_t *ddt, const ddt_entry_t *dde, uint64_t index)
753 const ddt_phys_t *ddp = dde->dde_phys;
754 const ddt_key_t *ddk = &dde->dde_key;
755 char *types[4] = { "ditto", "single", "double", "triple" };
756 char blkbuf[BP_SPRINTF_LEN];
759 for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
760 if (ddp->ddp_phys_birth == 0)
762 ddt_bp_create(ddt->ddt_checksum, ddk, ddp, &blk);
763 sprintf_blkptr(blkbuf, &blk);
764 (void) printf("index %llx refcnt %llu %s %s\n",
765 (u_longlong_t)index, (u_longlong_t)ddp->ddp_refcnt,
771 dump_dedup_ratio(const ddt_stat_t *dds)
773 double rL, rP, rD, D, dedup, compress, copies;
775 if (dds->dds_blocks == 0)
778 rL = (double)dds->dds_ref_lsize;
779 rP = (double)dds->dds_ref_psize;
780 rD = (double)dds->dds_ref_dsize;
781 D = (double)dds->dds_dsize;
787 (void) printf("dedup = %.2f, compress = %.2f, copies = %.2f, "
788 "dedup * compress / copies = %.2f\n\n",
789 dedup, compress, copies, dedup * compress / copies);
793 dump_ddt(ddt_t *ddt, enum ddt_type type, enum ddt_class class)
795 char name[DDT_NAMELEN];
798 dmu_object_info_t doi;
799 uint64_t count, dspace, mspace;
802 error = ddt_object_info(ddt, type, class, &doi);
808 error = ddt_object_count(ddt, type, class, &count);
813 dspace = doi.doi_physical_blocks_512 << 9;
814 mspace = doi.doi_fill_count * doi.doi_data_block_size;
816 ddt_object_name(ddt, type, class, name);
818 (void) printf("%s: %llu entries, size %llu on disk, %llu in core\n",
821 (u_longlong_t)(dspace / count),
822 (u_longlong_t)(mspace / count));
824 if (dump_opt['D'] < 3)
827 zpool_dump_ddt(NULL, &ddt->ddt_histogram[type][class]);
829 if (dump_opt['D'] < 4)
832 if (dump_opt['D'] < 5 && class == DDT_CLASS_UNIQUE)
835 (void) printf("%s contents:\n\n", name);
837 while ((error = ddt_object_walk(ddt, type, class, &walk, &dde)) == 0)
838 dump_dde(ddt, &dde, walk);
840 ASSERT(error == ENOENT);
846 dump_all_ddts(spa_t *spa)
848 ddt_histogram_t ddh_total = { 0 };
849 ddt_stat_t dds_total = { 0 };
851 for (enum zio_checksum c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
852 ddt_t *ddt = spa->spa_ddt[c];
853 for (enum ddt_type type = 0; type < DDT_TYPES; type++) {
854 for (enum ddt_class class = 0; class < DDT_CLASSES;
856 dump_ddt(ddt, type, class);
861 ddt_get_dedup_stats(spa, &dds_total);
863 if (dds_total.dds_blocks == 0) {
864 (void) printf("All DDTs are empty\n");
870 if (dump_opt['D'] > 1) {
871 (void) printf("DDT histogram (aggregated over all DDTs):\n");
872 ddt_get_dedup_histogram(spa, &ddh_total);
873 zpool_dump_ddt(&dds_total, &ddh_total);
876 dump_dedup_ratio(&dds_total);
880 dump_dtl_seg(void *arg, uint64_t start, uint64_t size)
884 (void) printf("%s [%llu,%llu) length %llu\n",
887 (u_longlong_t)(start + size),
888 (u_longlong_t)(size));
892 dump_dtl(vdev_t *vd, int indent)
894 spa_t *spa = vd->vdev_spa;
896 char *name[DTL_TYPES] = { "missing", "partial", "scrub", "outage" };
899 spa_vdev_state_enter(spa, SCL_NONE);
900 required = vdev_dtl_required(vd);
901 (void) spa_vdev_state_exit(spa, NULL, 0);
904 (void) printf("\nDirty time logs:\n\n");
906 (void) printf("\t%*s%s [%s]\n", indent, "",
907 vd->vdev_path ? vd->vdev_path :
908 vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa),
909 required ? "DTL-required" : "DTL-expendable");
911 for (int t = 0; t < DTL_TYPES; t++) {
912 range_tree_t *rt = vd->vdev_dtl[t];
913 if (range_tree_space(rt) == 0)
915 (void) snprintf(prefix, sizeof (prefix), "\t%*s%s",
916 indent + 2, "", name[t]);
917 mutex_enter(rt->rt_lock);
918 range_tree_walk(rt, dump_dtl_seg, prefix);
919 mutex_exit(rt->rt_lock);
920 if (dump_opt['d'] > 5 && vd->vdev_children == 0)
921 dump_spacemap(spa->spa_meta_objset, vd->vdev_dtl_sm);
924 for (int c = 0; c < vd->vdev_children; c++)
925 dump_dtl(vd->vdev_child[c], indent + 4);
929 dump_history(spa_t *spa)
931 nvlist_t **events = NULL;
932 char buf[SPA_MAXBLOCKSIZE];
933 uint64_t resid, len, off = 0;
939 char internalstr[MAXPATHLEN];
944 if ((error = spa_history_get(spa, &off, &len, buf)) != 0) {
945 (void) fprintf(stderr, "Unable to read history: "
946 "error %d\n", error);
950 if (zpool_history_unpack(buf, len, &resid, &events, &num) != 0)
956 (void) printf("\nHistory:\n");
957 for (int i = 0; i < num; i++) {
958 uint64_t time, txg, ievent;
960 boolean_t printed = B_FALSE;
962 if (nvlist_lookup_uint64(events[i], ZPOOL_HIST_TIME,
965 if (nvlist_lookup_string(events[i], ZPOOL_HIST_CMD,
967 if (nvlist_lookup_uint64(events[i],
968 ZPOOL_HIST_INT_EVENT, &ievent) != 0)
970 verify(nvlist_lookup_uint64(events[i],
971 ZPOOL_HIST_TXG, &txg) == 0);
972 verify(nvlist_lookup_string(events[i],
973 ZPOOL_HIST_INT_STR, &intstr) == 0);
974 if (ievent >= ZFS_NUM_LEGACY_HISTORY_EVENTS)
977 (void) snprintf(internalstr,
978 sizeof (internalstr),
979 "[internal %s txg:%lld] %s",
980 zfs_history_event_names[ievent], txg,
985 (void) localtime_r(&tsec, &t);
986 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t);
987 (void) printf("%s %s\n", tbuf, cmd);
991 if (dump_opt['h'] > 1) {
993 (void) printf("unrecognized record:\n");
994 dump_nvlist(events[i], 2);
1001 dump_dnode(objset_t *os, uint64_t object, void *data, size_t size)
1006 blkid2offset(const dnode_phys_t *dnp, const blkptr_t *bp, const zbookmark_t *zb)
1009 ASSERT(zb->zb_level < 0);
1010 if (zb->zb_object == 0)
1011 return (zb->zb_blkid);
1012 return (zb->zb_blkid * BP_GET_LSIZE(bp));
1015 ASSERT(zb->zb_level >= 0);
1017 return ((zb->zb_blkid <<
1018 (zb->zb_level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) *
1019 dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT);
1023 sprintf_blkptr_compact(char *blkbuf, const blkptr_t *bp)
1025 const dva_t *dva = bp->blk_dva;
1026 int ndvas = dump_opt['d'] > 5 ? BP_GET_NDVAS(bp) : 1;
1028 if (dump_opt['b'] >= 6) {
1029 sprintf_blkptr(blkbuf, bp);
1035 for (int i = 0; i < ndvas; i++)
1036 (void) sprintf(blkbuf + strlen(blkbuf), "%llu:%llx:%llx ",
1037 (u_longlong_t)DVA_GET_VDEV(&dva[i]),
1038 (u_longlong_t)DVA_GET_OFFSET(&dva[i]),
1039 (u_longlong_t)DVA_GET_ASIZE(&dva[i]));
1041 (void) sprintf(blkbuf + strlen(blkbuf),
1042 "%llxL/%llxP F=%llu B=%llu/%llu",
1043 (u_longlong_t)BP_GET_LSIZE(bp),
1044 (u_longlong_t)BP_GET_PSIZE(bp),
1045 (u_longlong_t)bp->blk_fill,
1046 (u_longlong_t)bp->blk_birth,
1047 (u_longlong_t)BP_PHYSICAL_BIRTH(bp));
1051 print_indirect(blkptr_t *bp, const zbookmark_t *zb,
1052 const dnode_phys_t *dnp)
1054 char blkbuf[BP_SPRINTF_LEN];
1057 ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type);
1058 ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level);
1060 (void) printf("%16llx ", (u_longlong_t)blkid2offset(dnp, bp, zb));
1062 ASSERT(zb->zb_level >= 0);
1064 for (l = dnp->dn_nlevels - 1; l >= -1; l--) {
1065 if (l == zb->zb_level) {
1066 (void) printf("L%llx", (u_longlong_t)zb->zb_level);
1072 sprintf_blkptr_compact(blkbuf, bp);
1073 (void) printf("%s\n", blkbuf);
1077 visit_indirect(spa_t *spa, const dnode_phys_t *dnp,
1078 blkptr_t *bp, const zbookmark_t *zb)
1082 if (bp->blk_birth == 0)
1085 print_indirect(bp, zb, dnp);
1087 if (BP_GET_LEVEL(bp) > 0) {
1088 uint32_t flags = ARC_WAIT;
1091 int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT;
1095 err = arc_read(NULL, spa, bp, arc_getbuf_func, &buf,
1096 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb);
1099 ASSERT(buf->b_data);
1101 /* recursively visit blocks below this */
1103 for (i = 0; i < epb; i++, cbp++) {
1106 SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object,
1108 zb->zb_blkid * epb + i);
1109 err = visit_indirect(spa, dnp, cbp, &czb);
1112 fill += cbp->blk_fill;
1115 ASSERT3U(fill, ==, bp->blk_fill);
1116 (void) arc_buf_remove_ref(buf, &buf);
1124 dump_indirect(dnode_t *dn)
1126 dnode_phys_t *dnp = dn->dn_phys;
1130 (void) printf("Indirect blocks:\n");
1132 SET_BOOKMARK(&czb, dmu_objset_id(dn->dn_objset),
1133 dn->dn_object, dnp->dn_nlevels - 1, 0);
1134 for (j = 0; j < dnp->dn_nblkptr; j++) {
1136 (void) visit_indirect(dmu_objset_spa(dn->dn_objset), dnp,
1137 &dnp->dn_blkptr[j], &czb);
1140 (void) printf("\n");
1145 dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size)
1147 dsl_dir_phys_t *dd = data;
1154 ASSERT3U(size, >=, sizeof (dsl_dir_phys_t));
1156 crtime = dd->dd_creation_time;
1157 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
1158 (void) printf("\t\thead_dataset_obj = %llu\n",
1159 (u_longlong_t)dd->dd_head_dataset_obj);
1160 (void) printf("\t\tparent_dir_obj = %llu\n",
1161 (u_longlong_t)dd->dd_parent_obj);
1162 (void) printf("\t\torigin_obj = %llu\n",
1163 (u_longlong_t)dd->dd_origin_obj);
1164 (void) printf("\t\tchild_dir_zapobj = %llu\n",
1165 (u_longlong_t)dd->dd_child_dir_zapobj);
1166 zdb_nicenum(dd->dd_used_bytes, nice);
1167 (void) printf("\t\tused_bytes = %s\n", nice);
1168 zdb_nicenum(dd->dd_compressed_bytes, nice);
1169 (void) printf("\t\tcompressed_bytes = %s\n", nice);
1170 zdb_nicenum(dd->dd_uncompressed_bytes, nice);
1171 (void) printf("\t\tuncompressed_bytes = %s\n", nice);
1172 zdb_nicenum(dd->dd_quota, nice);
1173 (void) printf("\t\tquota = %s\n", nice);
1174 zdb_nicenum(dd->dd_reserved, nice);
1175 (void) printf("\t\treserved = %s\n", nice);
1176 (void) printf("\t\tprops_zapobj = %llu\n",
1177 (u_longlong_t)dd->dd_props_zapobj);
1178 (void) printf("\t\tdeleg_zapobj = %llu\n",
1179 (u_longlong_t)dd->dd_deleg_zapobj);
1180 (void) printf("\t\tflags = %llx\n",
1181 (u_longlong_t)dd->dd_flags);
1184 zdb_nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \
1185 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice)
1196 dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size)
1198 dsl_dataset_phys_t *ds = data;
1200 char used[32], compressed[32], uncompressed[32], unique[32];
1201 char blkbuf[BP_SPRINTF_LEN];
1206 ASSERT(size == sizeof (*ds));
1207 crtime = ds->ds_creation_time;
1208 zdb_nicenum(ds->ds_referenced_bytes, used);
1209 zdb_nicenum(ds->ds_compressed_bytes, compressed);
1210 zdb_nicenum(ds->ds_uncompressed_bytes, uncompressed);
1211 zdb_nicenum(ds->ds_unique_bytes, unique);
1212 sprintf_blkptr(blkbuf, &ds->ds_bp);
1214 (void) printf("\t\tdir_obj = %llu\n",
1215 (u_longlong_t)ds->ds_dir_obj);
1216 (void) printf("\t\tprev_snap_obj = %llu\n",
1217 (u_longlong_t)ds->ds_prev_snap_obj);
1218 (void) printf("\t\tprev_snap_txg = %llu\n",
1219 (u_longlong_t)ds->ds_prev_snap_txg);
1220 (void) printf("\t\tnext_snap_obj = %llu\n",
1221 (u_longlong_t)ds->ds_next_snap_obj);
1222 (void) printf("\t\tsnapnames_zapobj = %llu\n",
1223 (u_longlong_t)ds->ds_snapnames_zapobj);
1224 (void) printf("\t\tnum_children = %llu\n",
1225 (u_longlong_t)ds->ds_num_children);
1226 (void) printf("\t\tuserrefs_obj = %llu\n",
1227 (u_longlong_t)ds->ds_userrefs_obj);
1228 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
1229 (void) printf("\t\tcreation_txg = %llu\n",
1230 (u_longlong_t)ds->ds_creation_txg);
1231 (void) printf("\t\tdeadlist_obj = %llu\n",
1232 (u_longlong_t)ds->ds_deadlist_obj);
1233 (void) printf("\t\tused_bytes = %s\n", used);
1234 (void) printf("\t\tcompressed_bytes = %s\n", compressed);
1235 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed);
1236 (void) printf("\t\tunique = %s\n", unique);
1237 (void) printf("\t\tfsid_guid = %llu\n",
1238 (u_longlong_t)ds->ds_fsid_guid);
1239 (void) printf("\t\tguid = %llu\n",
1240 (u_longlong_t)ds->ds_guid);
1241 (void) printf("\t\tflags = %llx\n",
1242 (u_longlong_t)ds->ds_flags);
1243 (void) printf("\t\tnext_clones_obj = %llu\n",
1244 (u_longlong_t)ds->ds_next_clones_obj);
1245 (void) printf("\t\tprops_obj = %llu\n",
1246 (u_longlong_t)ds->ds_props_obj);
1247 (void) printf("\t\tbp = %s\n", blkbuf);
1252 dump_bptree_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
1254 char blkbuf[BP_SPRINTF_LEN];
1256 if (bp->blk_birth != 0) {
1257 sprintf_blkptr(blkbuf, bp);
1258 (void) printf("\t%s\n", blkbuf);
1264 dump_bptree(objset_t *os, uint64_t obj, char *name)
1270 if (dump_opt['d'] < 3)
1273 VERIFY3U(0, ==, dmu_bonus_hold(os, obj, FTAG, &db));
1275 zdb_nicenum(bt->bt_bytes, bytes);
1276 (void) printf("\n %s: %llu datasets, %s\n",
1277 name, (unsigned long long)(bt->bt_end - bt->bt_begin), bytes);
1278 dmu_buf_rele(db, FTAG);
1280 if (dump_opt['d'] < 5)
1283 (void) printf("\n");
1285 (void) bptree_iterate(os, obj, B_FALSE, dump_bptree_cb, NULL, NULL);
1290 dump_bpobj_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
1292 char blkbuf[BP_SPRINTF_LEN];
1294 ASSERT(bp->blk_birth != 0);
1295 sprintf_blkptr_compact(blkbuf, bp);
1296 (void) printf("\t%s\n", blkbuf);
1301 dump_bpobj(bpobj_t *bpo, char *name, int indent)
1307 if (dump_opt['d'] < 3)
1310 zdb_nicenum(bpo->bpo_phys->bpo_bytes, bytes);
1311 if (bpo->bpo_havesubobj && bpo->bpo_phys->bpo_subobjs != 0) {
1312 zdb_nicenum(bpo->bpo_phys->bpo_comp, comp);
1313 zdb_nicenum(bpo->bpo_phys->bpo_uncomp, uncomp);
1314 (void) printf(" %*s: object %llu, %llu local blkptrs, "
1315 "%llu subobjs, %s (%s/%s comp)\n",
1317 (u_longlong_t)bpo->bpo_object,
1318 (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs,
1319 (u_longlong_t)bpo->bpo_phys->bpo_num_subobjs,
1320 bytes, comp, uncomp);
1322 for (uint64_t i = 0; i < bpo->bpo_phys->bpo_num_subobjs; i++) {
1326 VERIFY0(dmu_read(bpo->bpo_os,
1327 bpo->bpo_phys->bpo_subobjs,
1328 i * sizeof (subobj), sizeof (subobj), &subobj, 0));
1329 error = bpobj_open(&subbpo, bpo->bpo_os, subobj);
1331 (void) printf("ERROR %u while trying to open "
1333 error, (u_longlong_t)subobj);
1336 dump_bpobj(&subbpo, "subobj", indent + 1);
1337 bpobj_close(&subbpo);
1340 (void) printf(" %*s: object %llu, %llu blkptrs, %s\n",
1342 (u_longlong_t)bpo->bpo_object,
1343 (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs,
1347 if (dump_opt['d'] < 5)
1352 (void) bpobj_iterate_nofree(bpo, dump_bpobj_cb, NULL, NULL);
1353 (void) printf("\n");
1358 dump_deadlist(dsl_deadlist_t *dl)
1360 dsl_deadlist_entry_t *dle;
1366 if (dump_opt['d'] < 3)
1369 zdb_nicenum(dl->dl_phys->dl_used, bytes);
1370 zdb_nicenum(dl->dl_phys->dl_comp, comp);
1371 zdb_nicenum(dl->dl_phys->dl_uncomp, uncomp);
1372 (void) printf("\n Deadlist: %s (%s/%s comp)\n",
1373 bytes, comp, uncomp);
1375 if (dump_opt['d'] < 4)
1378 (void) printf("\n");
1380 /* force the tree to be loaded */
1381 dsl_deadlist_space_range(dl, 0, UINT64_MAX, &unused, &unused, &unused);
1383 for (dle = avl_first(&dl->dl_tree); dle;
1384 dle = AVL_NEXT(&dl->dl_tree, dle)) {
1385 if (dump_opt['d'] >= 5) {
1387 (void) snprintf(buf, sizeof (buf), "mintxg %llu -> ",
1388 (longlong_t)dle->dle_mintxg,
1389 (longlong_t)dle->dle_bpobj.bpo_object);
1391 dump_bpobj(&dle->dle_bpobj, buf, 0);
1393 (void) printf("mintxg %llu -> obj %llu\n",
1394 (longlong_t)dle->dle_mintxg,
1395 (longlong_t)dle->dle_bpobj.bpo_object);
1401 static avl_tree_t idx_tree;
1402 static avl_tree_t domain_tree;
1403 static boolean_t fuid_table_loaded;
1404 static boolean_t sa_loaded;
1405 sa_attr_type_t *sa_attr_table;
1408 fuid_table_destroy()
1410 if (fuid_table_loaded) {
1411 zfs_fuid_table_destroy(&idx_tree, &domain_tree);
1412 fuid_table_loaded = B_FALSE;
1417 * print uid or gid information.
1418 * For normal POSIX id just the id is printed in decimal format.
1419 * For CIFS files with FUID the fuid is printed in hex followed by
1420 * the domain-rid string.
1423 print_idstr(uint64_t id, const char *id_type)
1425 if (FUID_INDEX(id)) {
1428 domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id));
1429 (void) printf("\t%s %llx [%s-%d]\n", id_type,
1430 (u_longlong_t)id, domain, (int)FUID_RID(id));
1432 (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id);
1438 dump_uidgid(objset_t *os, uint64_t uid, uint64_t gid)
1440 uint32_t uid_idx, gid_idx;
1442 uid_idx = FUID_INDEX(uid);
1443 gid_idx = FUID_INDEX(gid);
1445 /* Load domain table, if not already loaded */
1446 if (!fuid_table_loaded && (uid_idx || gid_idx)) {
1449 /* first find the fuid object. It lives in the master node */
1450 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES,
1451 8, 1, &fuid_obj) == 0);
1452 zfs_fuid_avl_tree_create(&idx_tree, &domain_tree);
1453 (void) zfs_fuid_table_load(os, fuid_obj,
1454 &idx_tree, &domain_tree);
1455 fuid_table_loaded = B_TRUE;
1458 print_idstr(uid, "uid");
1459 print_idstr(gid, "gid");
1464 dump_znode(objset_t *os, uint64_t object, void *data, size_t size)
1466 char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */
1468 uint64_t xattr, rdev, gen;
1469 uint64_t uid, gid, mode, fsize, parent, links;
1471 uint64_t acctm[2], modtm[2], chgtm[2], crtm[2];
1472 time_t z_crtime, z_atime, z_mtime, z_ctime;
1473 sa_bulk_attr_t bulk[12];
1478 uint64_t sa_attrs = 0;
1481 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZPL_VERSION_STR,
1482 8, 1, &version) == 0);
1483 if (version >= ZPL_VERSION_SA) {
1484 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_SA_ATTRS,
1485 8, 1, &sa_attrs) == 0);
1487 if ((error = sa_setup(os, sa_attrs, zfs_attr_table,
1488 ZPL_END, &sa_attr_table)) != 0) {
1489 (void) printf("sa_setup failed errno %d, can't "
1490 "display znode contents\n", error);
1496 if (sa_handle_get(os, object, NULL, SA_HDL_PRIVATE, &hdl)) {
1497 (void) printf("Failed to get handle for SA znode\n");
1501 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_UID], NULL, &uid, 8);
1502 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GID], NULL, &gid, 8);
1503 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_LINKS], NULL,
1505 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GEN], NULL, &gen, 8);
1506 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MODE], NULL,
1508 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_PARENT],
1510 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_SIZE], NULL,
1512 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_ATIME], NULL,
1514 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MTIME], NULL,
1516 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CRTIME], NULL,
1518 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CTIME], NULL,
1520 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_FLAGS], NULL,
1523 if (sa_bulk_lookup(hdl, bulk, idx)) {
1524 (void) sa_handle_destroy(hdl);
1528 error = zfs_obj_to_path(os, object, path, sizeof (path));
1530 (void) snprintf(path, sizeof (path), "\?\?\?<object#%llu>",
1531 (u_longlong_t)object);
1533 if (dump_opt['d'] < 3) {
1534 (void) printf("\t%s\n", path);
1535 (void) sa_handle_destroy(hdl);
1539 z_crtime = (time_t)crtm[0];
1540 z_atime = (time_t)acctm[0];
1541 z_mtime = (time_t)modtm[0];
1542 z_ctime = (time_t)chgtm[0];
1544 (void) printf("\tpath %s\n", path);
1545 dump_uidgid(os, uid, gid);
1546 (void) printf("\tatime %s", ctime(&z_atime));
1547 (void) printf("\tmtime %s", ctime(&z_mtime));
1548 (void) printf("\tctime %s", ctime(&z_ctime));
1549 (void) printf("\tcrtime %s", ctime(&z_crtime));
1550 (void) printf("\tgen %llu\n", (u_longlong_t)gen);
1551 (void) printf("\tmode %llo\n", (u_longlong_t)mode);
1552 (void) printf("\tsize %llu\n", (u_longlong_t)fsize);
1553 (void) printf("\tparent %llu\n", (u_longlong_t)parent);
1554 (void) printf("\tlinks %llu\n", (u_longlong_t)links);
1555 (void) printf("\tpflags %llx\n", (u_longlong_t)pflags);
1556 if (sa_lookup(hdl, sa_attr_table[ZPL_XATTR], &xattr,
1557 sizeof (uint64_t)) == 0)
1558 (void) printf("\txattr %llu\n", (u_longlong_t)xattr);
1559 if (sa_lookup(hdl, sa_attr_table[ZPL_RDEV], &rdev,
1560 sizeof (uint64_t)) == 0)
1561 (void) printf("\trdev 0x%016llx\n", (u_longlong_t)rdev);
1562 sa_handle_destroy(hdl);
1567 dump_acl(objset_t *os, uint64_t object, void *data, size_t size)
1573 dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size)
1577 static object_viewer_t *object_viewer[DMU_OT_NUMTYPES + 1] = {
1578 dump_none, /* unallocated */
1579 dump_zap, /* object directory */
1580 dump_uint64, /* object array */
1581 dump_none, /* packed nvlist */
1582 dump_packed_nvlist, /* packed nvlist size */
1583 dump_none, /* bplist */
1584 dump_none, /* bplist header */
1585 dump_none, /* SPA space map header */
1586 dump_none, /* SPA space map */
1587 dump_none, /* ZIL intent log */
1588 dump_dnode, /* DMU dnode */
1589 dump_dmu_objset, /* DMU objset */
1590 dump_dsl_dir, /* DSL directory */
1591 dump_zap, /* DSL directory child map */
1592 dump_zap, /* DSL dataset snap map */
1593 dump_zap, /* DSL props */
1594 dump_dsl_dataset, /* DSL dataset */
1595 dump_znode, /* ZFS znode */
1596 dump_acl, /* ZFS V0 ACL */
1597 dump_uint8, /* ZFS plain file */
1598 dump_zpldir, /* ZFS directory */
1599 dump_zap, /* ZFS master node */
1600 dump_zap, /* ZFS delete queue */
1601 dump_uint8, /* zvol object */
1602 dump_zap, /* zvol prop */
1603 dump_uint8, /* other uint8[] */
1604 dump_uint64, /* other uint64[] */
1605 dump_zap, /* other ZAP */
1606 dump_zap, /* persistent error log */
1607 dump_uint8, /* SPA history */
1608 dump_history_offsets, /* SPA history offsets */
1609 dump_zap, /* Pool properties */
1610 dump_zap, /* DSL permissions */
1611 dump_acl, /* ZFS ACL */
1612 dump_uint8, /* ZFS SYSACL */
1613 dump_none, /* FUID nvlist */
1614 dump_packed_nvlist, /* FUID nvlist size */
1615 dump_zap, /* DSL dataset next clones */
1616 dump_zap, /* DSL scrub queue */
1617 dump_zap, /* ZFS user/group used */
1618 dump_zap, /* ZFS user/group quota */
1619 dump_zap, /* snapshot refcount tags */
1620 dump_ddt_zap, /* DDT ZAP object */
1621 dump_zap, /* DDT statistics */
1622 dump_znode, /* SA object */
1623 dump_zap, /* SA Master Node */
1624 dump_sa_attrs, /* SA attribute registration */
1625 dump_sa_layouts, /* SA attribute layouts */
1626 dump_zap, /* DSL scrub translations */
1627 dump_none, /* fake dedup BP */
1628 dump_zap, /* deadlist */
1629 dump_none, /* deadlist hdr */
1630 dump_zap, /* dsl clones */
1631 dump_none, /* bpobj subobjs */
1632 dump_unknown, /* Unknown type, must be last */
1636 dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header)
1638 dmu_buf_t *db = NULL;
1639 dmu_object_info_t doi;
1643 char iblk[32], dblk[32], lsize[32], asize[32], fill[32];
1644 char bonus_size[32];
1648 if (*print_header) {
1649 (void) printf("\n%10s %3s %5s %5s %5s %5s %6s %s\n",
1650 "Object", "lvl", "iblk", "dblk", "dsize", "lsize",
1656 dn = DMU_META_DNODE(os);
1658 error = dmu_bonus_hold(os, object, FTAG, &db);
1660 fatal("dmu_bonus_hold(%llu) failed, errno %u",
1662 bonus = db->db_data;
1663 bsize = db->db_size;
1664 dn = DB_DNODE((dmu_buf_impl_t *)db);
1666 dmu_object_info_from_dnode(dn, &doi);
1668 zdb_nicenum(doi.doi_metadata_block_size, iblk);
1669 zdb_nicenum(doi.doi_data_block_size, dblk);
1670 zdb_nicenum(doi.doi_max_offset, lsize);
1671 zdb_nicenum(doi.doi_physical_blocks_512 << 9, asize);
1672 zdb_nicenum(doi.doi_bonus_size, bonus_size);
1673 (void) sprintf(fill, "%6.2f", 100.0 * doi.doi_fill_count *
1674 doi.doi_data_block_size / (object == 0 ? DNODES_PER_BLOCK : 1) /
1675 doi.doi_max_offset);
1679 if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) {
1680 (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)",
1681 ZDB_CHECKSUM_NAME(doi.doi_checksum));
1684 if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) {
1685 (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)",
1686 ZDB_COMPRESS_NAME(doi.doi_compress));
1689 (void) printf("%10lld %3u %5s %5s %5s %5s %6s %s%s\n",
1690 (u_longlong_t)object, doi.doi_indirection, iblk, dblk,
1691 asize, lsize, fill, ZDB_OT_NAME(doi.doi_type), aux);
1693 if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) {
1694 (void) printf("%10s %3s %5s %5s %5s %5s %6s %s\n",
1695 "", "", "", "", "", bonus_size, "bonus",
1696 ZDB_OT_NAME(doi.doi_bonus_type));
1699 if (verbosity >= 4) {
1700 (void) printf("\tdnode flags: %s%s%s\n",
1701 (dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ?
1703 (dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ?
1704 "USERUSED_ACCOUNTED " : "",
1705 (dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR) ?
1706 "SPILL_BLKPTR" : "");
1707 (void) printf("\tdnode maxblkid: %llu\n",
1708 (longlong_t)dn->dn_phys->dn_maxblkid);
1710 object_viewer[ZDB_OT_TYPE(doi.doi_bonus_type)](os, object,
1712 object_viewer[ZDB_OT_TYPE(doi.doi_type)](os, object, NULL, 0);
1719 if (verbosity >= 5) {
1721 * Report the list of segments that comprise the object.
1725 uint64_t blkfill = 1;
1728 if (dn->dn_type == DMU_OT_DNODE) {
1730 blkfill = DNODES_PER_BLOCK;
1735 error = dnode_next_offset(dn,
1736 0, &start, minlvl, blkfill, 0);
1740 error = dnode_next_offset(dn,
1741 DNODE_FIND_HOLE, &end, minlvl, blkfill, 0);
1742 zdb_nicenum(end - start, segsize);
1743 (void) printf("\t\tsegment [%016llx, %016llx)"
1744 " size %5s\n", (u_longlong_t)start,
1745 (u_longlong_t)end, segsize);
1753 dmu_buf_rele(db, FTAG);
1756 static char *objset_types[DMU_OST_NUMTYPES] = {
1757 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" };
1760 dump_dir(objset_t *os)
1762 dmu_objset_stats_t dds;
1763 uint64_t object, object_count;
1764 uint64_t refdbytes, usedobjs, scratch;
1766 char blkbuf[BP_SPRINTF_LEN + 20];
1767 char osname[MAXNAMELEN];
1768 char *type = "UNKNOWN";
1769 int verbosity = dump_opt['d'];
1770 int print_header = 1;
1773 dsl_pool_config_enter(dmu_objset_pool(os), FTAG);
1774 dmu_objset_fast_stat(os, &dds);
1775 dsl_pool_config_exit(dmu_objset_pool(os), FTAG);
1777 if (dds.dds_type < DMU_OST_NUMTYPES)
1778 type = objset_types[dds.dds_type];
1780 if (dds.dds_type == DMU_OST_META) {
1781 dds.dds_creation_txg = TXG_INITIAL;
1782 usedobjs = os->os_rootbp->blk_fill;
1783 refdbytes = os->os_spa->spa_dsl_pool->
1784 dp_mos_dir->dd_phys->dd_used_bytes;
1786 dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch);
1789 ASSERT3U(usedobjs, ==, os->os_rootbp->blk_fill);
1791 zdb_nicenum(refdbytes, numbuf);
1793 if (verbosity >= 4) {
1794 (void) sprintf(blkbuf, ", rootbp ");
1795 (void) sprintf_blkptr(blkbuf + strlen(blkbuf), os->os_rootbp);
1800 dmu_objset_name(os, osname);
1802 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, "
1803 "%s, %llu objects%s\n",
1804 osname, type, (u_longlong_t)dmu_objset_id(os),
1805 (u_longlong_t)dds.dds_creation_txg,
1806 numbuf, (u_longlong_t)usedobjs, blkbuf);
1808 if (zopt_objects != 0) {
1809 for (i = 0; i < zopt_objects; i++)
1810 dump_object(os, zopt_object[i], verbosity,
1812 (void) printf("\n");
1816 if (dump_opt['i'] != 0 || verbosity >= 2)
1817 dump_intent_log(dmu_objset_zil(os));
1819 if (dmu_objset_ds(os) != NULL)
1820 dump_deadlist(&dmu_objset_ds(os)->ds_deadlist);
1825 if (os->os_rootbp->blk_birth == 0)
1828 dump_object(os, 0, verbosity, &print_header);
1830 if (DMU_USERUSED_DNODE(os) != NULL &&
1831 DMU_USERUSED_DNODE(os)->dn_type != 0) {
1832 dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header);
1833 dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header);
1837 while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) {
1838 dump_object(os, object, verbosity, &print_header);
1842 ASSERT3U(object_count, ==, usedobjs);
1844 (void) printf("\n");
1846 if (error != ESRCH) {
1847 (void) fprintf(stderr, "dmu_object_next() = %d\n", error);
1853 dump_uberblock(uberblock_t *ub, const char *header, const char *footer)
1855 time_t timestamp = ub->ub_timestamp;
1857 (void) printf(header ? header : "");
1858 (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic);
1859 (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version);
1860 (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg);
1861 (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum);
1862 (void) printf("\ttimestamp = %llu UTC = %s",
1863 (u_longlong_t)ub->ub_timestamp, asctime(localtime(×tamp)));
1864 if (dump_opt['u'] >= 3) {
1865 char blkbuf[BP_SPRINTF_LEN];
1866 sprintf_blkptr(blkbuf, &ub->ub_rootbp);
1867 (void) printf("\trootbp = %s\n", blkbuf);
1869 (void) printf(footer ? footer : "");
1873 dump_config(spa_t *spa)
1880 error = dmu_bonus_hold(spa->spa_meta_objset,
1881 spa->spa_config_object, FTAG, &db);
1884 nvsize = *(uint64_t *)db->db_data;
1885 dmu_buf_rele(db, FTAG);
1887 (void) printf("\nMOS Configuration:\n");
1888 dump_packed_nvlist(spa->spa_meta_objset,
1889 spa->spa_config_object, (void *)&nvsize, 1);
1891 (void) fprintf(stderr, "dmu_bonus_hold(%llu) failed, errno %d",
1892 (u_longlong_t)spa->spa_config_object, error);
1897 dump_cachefile(const char *cachefile)
1900 struct stat64 statbuf;
1904 if ((fd = open64(cachefile, O_RDONLY)) < 0) {
1905 (void) printf("cannot open '%s': %s\n", cachefile,
1910 if (fstat64(fd, &statbuf) != 0) {
1911 (void) printf("failed to stat '%s': %s\n", cachefile,
1916 if ((buf = malloc(statbuf.st_size)) == NULL) {
1917 (void) fprintf(stderr, "failed to allocate %llu bytes\n",
1918 (u_longlong_t)statbuf.st_size);
1922 if (read(fd, buf, statbuf.st_size) != statbuf.st_size) {
1923 (void) fprintf(stderr, "failed to read %llu bytes\n",
1924 (u_longlong_t)statbuf.st_size);
1930 if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) {
1931 (void) fprintf(stderr, "failed to unpack nvlist\n");
1937 dump_nvlist(config, 0);
1939 nvlist_free(config);
1942 #define ZDB_MAX_UB_HEADER_SIZE 32
1945 dump_label_uberblocks(vdev_label_t *lbl, uint64_t ashift)
1949 char header[ZDB_MAX_UB_HEADER_SIZE];
1951 vd.vdev_ashift = ashift;
1952 vdp->vdev_top = vdp;
1954 for (int i = 0; i < VDEV_UBERBLOCK_COUNT(vdp); i++) {
1955 uint64_t uoff = VDEV_UBERBLOCK_OFFSET(vdp, i);
1956 uberblock_t *ub = (void *)((char *)lbl + uoff);
1958 if (uberblock_verify(ub))
1960 (void) snprintf(header, ZDB_MAX_UB_HEADER_SIZE,
1961 "Uberblock[%d]\n", i);
1962 dump_uberblock(ub, header, "");
1967 dump_label(const char *dev)
1971 char *path, *buf = label.vl_vdev_phys.vp_nvlist;
1972 size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist);
1973 struct stat64 statbuf;
1974 uint64_t psize, ashift;
1975 int len = strlen(dev) + 1;
1977 if (strncmp(dev, "/dev/dsk/", 9) == 0) {
1980 (void) snprintf(path, len, "%s%s", "/dev/rdsk/", dev + 9);
1985 if ((fd = open64(path, O_RDONLY)) < 0) {
1986 (void) printf("cannot open '%s': %s\n", path, strerror(errno));
1991 if (fstat64(fd, &statbuf) != 0) {
1992 (void) printf("failed to stat '%s': %s\n", path,
1999 if (S_ISBLK(statbuf.st_mode)) {
2000 (void) printf("cannot use '%s': character device required\n",
2007 psize = statbuf.st_size;
2008 psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t));
2010 for (int l = 0; l < VDEV_LABELS; l++) {
2011 nvlist_t *config = NULL;
2013 (void) printf("--------------------------------------------\n");
2014 (void) printf("LABEL %d\n", l);
2015 (void) printf("--------------------------------------------\n");
2017 if (pread64(fd, &label, sizeof (label),
2018 vdev_label_offset(psize, l, 0)) != sizeof (label)) {
2019 (void) printf("failed to read label %d\n", l);
2023 if (nvlist_unpack(buf, buflen, &config, 0) != 0) {
2024 (void) printf("failed to unpack label %d\n", l);
2025 ashift = SPA_MINBLOCKSHIFT;
2027 nvlist_t *vdev_tree = NULL;
2029 dump_nvlist(config, 4);
2030 if ((nvlist_lookup_nvlist(config,
2031 ZPOOL_CONFIG_VDEV_TREE, &vdev_tree) != 0) ||
2032 (nvlist_lookup_uint64(vdev_tree,
2033 ZPOOL_CONFIG_ASHIFT, &ashift) != 0))
2034 ashift = SPA_MINBLOCKSHIFT;
2035 nvlist_free(config);
2038 dump_label_uberblocks(&label, ashift);
2047 dump_one_dir(const char *dsname, void *arg)
2052 error = dmu_objset_own(dsname, DMU_OST_ANY, B_TRUE, FTAG, &os);
2054 (void) printf("Could not open %s, error %d\n", dsname, error);
2058 dmu_objset_disown(os, FTAG);
2059 fuid_table_destroy();
2060 sa_loaded = B_FALSE;
2067 #define PSIZE_HISTO_SIZE (SPA_MAXBLOCKSIZE / SPA_MINBLOCKSIZE + 1)
2068 typedef struct zdb_blkstats {
2073 uint64_t zb_psize_histogram[PSIZE_HISTO_SIZE];
2077 * Extended object types to report deferred frees and dedup auto-ditto blocks.
2079 #define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0)
2080 #define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1)
2081 #define ZDB_OT_OTHER (DMU_OT_NUMTYPES + 2)
2082 #define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 3)
2084 static char *zdb_ot_extname[] = {
2091 #define ZB_TOTAL DN_MAX_LEVELS
2093 typedef struct zdb_cb {
2094 zdb_blkstats_t zcb_type[ZB_TOTAL + 1][ZDB_OT_TOTAL + 1];
2095 uint64_t zcb_dedup_asize;
2096 uint64_t zcb_dedup_blocks;
2098 uint64_t zcb_lastprint;
2099 uint64_t zcb_totalasize;
2100 uint64_t zcb_errors[256];
2107 zdb_count_block(zdb_cb_t *zcb, zilog_t *zilog, const blkptr_t *bp,
2108 dmu_object_type_t type)
2110 uint64_t refcnt = 0;
2112 ASSERT(type < ZDB_OT_TOTAL);
2114 if (zilog && zil_bp_tree_add(zilog, bp) != 0)
2117 for (int i = 0; i < 4; i++) {
2118 int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL;
2119 int t = (i & 1) ? type : ZDB_OT_TOTAL;
2120 zdb_blkstats_t *zb = &zcb->zcb_type[l][t];
2122 zb->zb_asize += BP_GET_ASIZE(bp);
2123 zb->zb_lsize += BP_GET_LSIZE(bp);
2124 zb->zb_psize += BP_GET_PSIZE(bp);
2126 zb->zb_psize_histogram[BP_GET_PSIZE(bp) >> SPA_MINBLOCKSHIFT]++;
2132 if (BP_GET_DEDUP(bp)) {
2136 ddt = ddt_select(zcb->zcb_spa, bp);
2138 dde = ddt_lookup(ddt, bp, B_FALSE);
2143 ddt_phys_t *ddp = ddt_phys_select(dde, bp);
2144 ddt_phys_decref(ddp);
2145 refcnt = ddp->ddp_refcnt;
2146 if (ddt_phys_total_refcnt(dde) == 0)
2147 ddt_remove(ddt, dde);
2152 VERIFY3U(zio_wait(zio_claim(NULL, zcb->zcb_spa,
2153 refcnt ? 0 : spa_first_txg(zcb->zcb_spa),
2154 bp, NULL, NULL, ZIO_FLAG_CANFAIL)), ==, 0);
2158 zdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
2159 const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
2161 zdb_cb_t *zcb = arg;
2162 char blkbuf[BP_SPRINTF_LEN];
2163 dmu_object_type_t type;
2164 boolean_t is_metadata;
2169 type = BP_GET_TYPE(bp);
2171 zdb_count_block(zcb, zilog, bp,
2172 (type & DMU_OT_NEWTYPE) ? ZDB_OT_OTHER : type);
2174 is_metadata = (BP_GET_LEVEL(bp) != 0 || DMU_OT_IS_METADATA(type));
2176 if (dump_opt['c'] > 1 || (dump_opt['c'] && is_metadata)) {
2178 size_t size = BP_GET_PSIZE(bp);
2179 void *data = malloc(size);
2180 int flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB | ZIO_FLAG_RAW;
2182 /* If it's an intent log block, failure is expected. */
2183 if (zb->zb_level == ZB_ZIL_LEVEL)
2184 flags |= ZIO_FLAG_SPECULATIVE;
2186 ioerr = zio_wait(zio_read(NULL, spa, bp, data, size,
2187 NULL, NULL, ZIO_PRIORITY_ASYNC_READ, flags, zb));
2190 if (ioerr && !(flags & ZIO_FLAG_SPECULATIVE)) {
2191 zcb->zcb_haderrors = 1;
2192 zcb->zcb_errors[ioerr]++;
2194 if (dump_opt['b'] >= 2)
2195 sprintf_blkptr(blkbuf, bp);
2199 (void) printf("zdb_blkptr_cb: "
2200 "Got error %d reading "
2201 "<%llu, %llu, %lld, %llx> %s -- skipping\n",
2203 (u_longlong_t)zb->zb_objset,
2204 (u_longlong_t)zb->zb_object,
2205 (u_longlong_t)zb->zb_level,
2206 (u_longlong_t)zb->zb_blkid,
2211 zcb->zcb_readfails = 0;
2213 if (dump_opt['b'] >= 5) {
2214 sprintf_blkptr(blkbuf, bp);
2215 (void) printf("objset %llu object %llu "
2216 "level %lld offset 0x%llx %s\n",
2217 (u_longlong_t)zb->zb_objset,
2218 (u_longlong_t)zb->zb_object,
2219 (longlong_t)zb->zb_level,
2220 (u_longlong_t)blkid2offset(dnp, bp, zb),
2224 if (dump_opt['b'] < 5 && isatty(STDERR_FILENO) &&
2225 gethrtime() > zcb->zcb_lastprint + NANOSEC) {
2226 uint64_t now = gethrtime();
2228 uint64_t bytes = zcb->zcb_type[ZB_TOTAL][ZDB_OT_TOTAL].zb_asize;
2230 1 + bytes / (1 + ((now - zcb->zcb_start) / 1000 / 1000));
2232 (zcb->zcb_totalasize - bytes) / 1024 / kb_per_sec;
2234 zfs_nicenum(bytes, buf, sizeof (buf));
2235 (void) fprintf(stderr,
2236 "\r%5s completed (%4dMB/s) "
2237 "estimated time remaining: %uhr %02umin %02usec ",
2238 buf, kb_per_sec / 1024,
2239 sec_remaining / 60 / 60,
2240 sec_remaining / 60 % 60,
2241 sec_remaining % 60);
2243 zcb->zcb_lastprint = now;
2250 zdb_leak(void *arg, uint64_t start, uint64_t size)
2254 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n",
2255 (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size);
2258 static metaslab_ops_t zdb_metaslab_ops = {
2260 NULL /* fragmented */
2264 zdb_ddt_leak_init(spa_t *spa, zdb_cb_t *zcb)
2266 ddt_bookmark_t ddb = { 0 };
2270 while ((error = ddt_walk(spa, &ddb, &dde)) == 0) {
2272 ddt_phys_t *ddp = dde.dde_phys;
2274 if (ddb.ddb_class == DDT_CLASS_UNIQUE)
2277 ASSERT(ddt_phys_total_refcnt(&dde) > 1);
2279 for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
2280 if (ddp->ddp_phys_birth == 0)
2282 ddt_bp_create(ddb.ddb_checksum,
2283 &dde.dde_key, ddp, &blk);
2284 if (p == DDT_PHYS_DITTO) {
2285 zdb_count_block(zcb, NULL, &blk, ZDB_OT_DITTO);
2287 zcb->zcb_dedup_asize +=
2288 BP_GET_ASIZE(&blk) * (ddp->ddp_refcnt - 1);
2289 zcb->zcb_dedup_blocks++;
2292 if (!dump_opt['L']) {
2293 ddt_t *ddt = spa->spa_ddt[ddb.ddb_checksum];
2295 VERIFY(ddt_lookup(ddt, &blk, B_TRUE) != NULL);
2300 ASSERT(error == ENOENT);
2304 zdb_leak_init(spa_t *spa, zdb_cb_t *zcb)
2308 if (!dump_opt['L']) {
2309 vdev_t *rvd = spa->spa_root_vdev;
2310 for (int c = 0; c < rvd->vdev_children; c++) {
2311 vdev_t *vd = rvd->vdev_child[c];
2312 for (int m = 0; m < vd->vdev_ms_count; m++) {
2313 metaslab_t *msp = vd->vdev_ms[m];
2314 mutex_enter(&msp->ms_lock);
2315 metaslab_unload(msp);
2318 * For leak detection, we overload the metaslab
2319 * ms_tree to contain allocated segments
2320 * instead of free segments. As a result,
2321 * we can't use the normal metaslab_load/unload
2324 if (msp->ms_sm != NULL) {
2325 msp->ms_ops = &zdb_metaslab_ops;
2326 VERIFY0(space_map_load(msp->ms_sm,
2327 msp->ms_tree, SM_ALLOC));
2328 msp->ms_loaded = B_TRUE;
2330 mutex_exit(&msp->ms_lock);
2335 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
2337 zdb_ddt_leak_init(spa, zcb);
2339 spa_config_exit(spa, SCL_CONFIG, FTAG);
2343 zdb_leak_fini(spa_t *spa)
2345 if (!dump_opt['L']) {
2346 vdev_t *rvd = spa->spa_root_vdev;
2347 for (int c = 0; c < rvd->vdev_children; c++) {
2348 vdev_t *vd = rvd->vdev_child[c];
2349 for (int m = 0; m < vd->vdev_ms_count; m++) {
2350 metaslab_t *msp = vd->vdev_ms[m];
2351 mutex_enter(&msp->ms_lock);
2354 * The ms_tree has been overloaded to
2355 * contain allocated segments. Now that we
2356 * finished traversing all blocks, any
2357 * block that remains in the ms_tree
2358 * represents an allocated block that we
2359 * did not claim during the traversal.
2360 * Claimed blocks would have been removed
2363 range_tree_vacate(msp->ms_tree, zdb_leak, vd);
2364 msp->ms_loaded = B_FALSE;
2366 mutex_exit(&msp->ms_lock);
2374 count_block_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
2376 zdb_cb_t *zcb = arg;
2378 if (dump_opt['b'] >= 5) {
2379 char blkbuf[BP_SPRINTF_LEN];
2380 sprintf_blkptr(blkbuf, bp);
2381 (void) printf("[%s] %s\n",
2382 "deferred free", blkbuf);
2384 zdb_count_block(zcb, NULL, bp, ZDB_OT_DEFERRED);
2389 dump_block_stats(spa_t *spa)
2391 zdb_cb_t zcb = { 0 };
2392 zdb_blkstats_t *zb, *tzb;
2393 uint64_t norm_alloc, norm_space, total_alloc, total_found;
2394 int flags = TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA | TRAVERSE_HARD;
2397 (void) printf("\nTraversing all blocks %s%s%s%s%s...\n\n",
2398 (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "",
2399 (dump_opt['c'] == 1) ? "metadata " : "",
2400 dump_opt['c'] ? "checksums " : "",
2401 (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "",
2402 !dump_opt['L'] ? "nothing leaked " : "");
2405 * Load all space maps as SM_ALLOC maps, then traverse the pool
2406 * claiming each block we discover. If the pool is perfectly
2407 * consistent, the space maps will be empty when we're done.
2408 * Anything left over is a leak; any block we can't claim (because
2409 * it's not part of any space map) is a double allocation,
2410 * reference to a freed block, or an unclaimed log block.
2412 zdb_leak_init(spa, &zcb);
2415 * If there's a deferred-free bplist, process that first.
2417 (void) bpobj_iterate_nofree(&spa->spa_deferred_bpobj,
2418 count_block_cb, &zcb, NULL);
2419 if (spa_version(spa) >= SPA_VERSION_DEADLISTS) {
2420 (void) bpobj_iterate_nofree(&spa->spa_dsl_pool->dp_free_bpobj,
2421 count_block_cb, &zcb, NULL);
2423 if (spa_feature_is_active(spa, SPA_FEATURE_ASYNC_DESTROY)) {
2424 VERIFY3U(0, ==, bptree_iterate(spa->spa_meta_objset,
2425 spa->spa_dsl_pool->dp_bptree_obj, B_FALSE, count_block_cb,
2429 if (dump_opt['c'] > 1)
2430 flags |= TRAVERSE_PREFETCH_DATA;
2432 zcb.zcb_totalasize = metaslab_class_get_alloc(spa_normal_class(spa));
2433 zcb.zcb_start = zcb.zcb_lastprint = gethrtime();
2434 zcb.zcb_haderrors |= traverse_pool(spa, 0, flags, zdb_blkptr_cb, &zcb);
2436 if (zcb.zcb_haderrors) {
2437 (void) printf("\nError counts:\n\n");
2438 (void) printf("\t%5s %s\n", "errno", "count");
2439 for (int e = 0; e < 256; e++) {
2440 if (zcb.zcb_errors[e] != 0) {
2441 (void) printf("\t%5d %llu\n",
2442 e, (u_longlong_t)zcb.zcb_errors[e]);
2448 * Report any leaked segments.
2452 tzb = &zcb.zcb_type[ZB_TOTAL][ZDB_OT_TOTAL];
2454 norm_alloc = metaslab_class_get_alloc(spa_normal_class(spa));
2455 norm_space = metaslab_class_get_space(spa_normal_class(spa));
2457 total_alloc = norm_alloc + metaslab_class_get_alloc(spa_log_class(spa));
2458 total_found = tzb->zb_asize - zcb.zcb_dedup_asize;
2460 if (total_found == total_alloc) {
2462 (void) printf("\n\tNo leaks (block sum matches space"
2463 " maps exactly)\n");
2465 (void) printf("block traversal size %llu != alloc %llu "
2467 (u_longlong_t)total_found,
2468 (u_longlong_t)total_alloc,
2469 (dump_opt['L']) ? "unreachable" : "leaked",
2470 (longlong_t)(total_alloc - total_found));
2474 if (tzb->zb_count == 0)
2477 (void) printf("\n");
2478 (void) printf("\tbp count: %10llu\n",
2479 (u_longlong_t)tzb->zb_count);
2480 (void) printf("\tbp logical: %10llu avg: %6llu\n",
2481 (u_longlong_t)tzb->zb_lsize,
2482 (u_longlong_t)(tzb->zb_lsize / tzb->zb_count));
2483 (void) printf("\tbp physical: %10llu avg:"
2484 " %6llu compression: %6.2f\n",
2485 (u_longlong_t)tzb->zb_psize,
2486 (u_longlong_t)(tzb->zb_psize / tzb->zb_count),
2487 (double)tzb->zb_lsize / tzb->zb_psize);
2488 (void) printf("\tbp allocated: %10llu avg:"
2489 " %6llu compression: %6.2f\n",
2490 (u_longlong_t)tzb->zb_asize,
2491 (u_longlong_t)(tzb->zb_asize / tzb->zb_count),
2492 (double)tzb->zb_lsize / tzb->zb_asize);
2493 (void) printf("\tbp deduped: %10llu ref>1:"
2494 " %6llu deduplication: %6.2f\n",
2495 (u_longlong_t)zcb.zcb_dedup_asize,
2496 (u_longlong_t)zcb.zcb_dedup_blocks,
2497 (double)zcb.zcb_dedup_asize / tzb->zb_asize + 1.0);
2498 (void) printf("\tSPA allocated: %10llu used: %5.2f%%\n",
2499 (u_longlong_t)norm_alloc, 100.0 * norm_alloc / norm_space);
2501 if (dump_opt['b'] >= 2) {
2503 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE"
2504 "\t avg\t comp\t%%Total\tType\n");
2506 for (t = 0; t <= ZDB_OT_TOTAL; t++) {
2507 char csize[32], lsize[32], psize[32], asize[32];
2511 if (t < DMU_OT_NUMTYPES)
2512 typename = dmu_ot[t].ot_name;
2514 typename = zdb_ot_extname[t - DMU_OT_NUMTYPES];
2516 if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) {
2517 (void) printf("%6s\t%5s\t%5s\t%5s"
2518 "\t%5s\t%5s\t%6s\t%s\n",
2530 for (l = ZB_TOTAL - 1; l >= -1; l--) {
2531 level = (l == -1 ? ZB_TOTAL : l);
2532 zb = &zcb.zcb_type[level][t];
2534 if (zb->zb_asize == 0)
2537 if (dump_opt['b'] < 3 && level != ZB_TOTAL)
2540 if (level == 0 && zb->zb_asize ==
2541 zcb.zcb_type[ZB_TOTAL][t].zb_asize)
2544 zdb_nicenum(zb->zb_count, csize);
2545 zdb_nicenum(zb->zb_lsize, lsize);
2546 zdb_nicenum(zb->zb_psize, psize);
2547 zdb_nicenum(zb->zb_asize, asize);
2548 zdb_nicenum(zb->zb_asize / zb->zb_count, avg);
2550 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s"
2552 csize, lsize, psize, asize, avg,
2553 (double)zb->zb_lsize / zb->zb_psize,
2554 100.0 * zb->zb_asize / tzb->zb_asize);
2556 if (level == ZB_TOTAL)
2557 (void) printf("%s\n", typename);
2559 (void) printf(" L%d %s\n",
2562 if (dump_opt['b'] >= 4) {
2563 (void) printf("psize "
2564 "(in 512-byte sectors): "
2565 "number of blocks\n");
2566 dump_histogram(zb->zb_psize_histogram,
2567 PSIZE_HISTO_SIZE, 0);
2573 (void) printf("\n");
2578 if (zcb.zcb_haderrors)
2584 typedef struct zdb_ddt_entry {
2586 uint64_t zdde_ref_blocks;
2587 uint64_t zdde_ref_lsize;
2588 uint64_t zdde_ref_psize;
2589 uint64_t zdde_ref_dsize;
2590 avl_node_t zdde_node;
2595 zdb_ddt_add_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
2596 const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
2598 avl_tree_t *t = arg;
2600 zdb_ddt_entry_t *zdde, zdde_search;
2605 if (dump_opt['S'] > 1 && zb->zb_level == ZB_ROOT_LEVEL) {
2606 (void) printf("traversing objset %llu, %llu objects, "
2607 "%lu blocks so far\n",
2608 (u_longlong_t)zb->zb_objset,
2609 (u_longlong_t)bp->blk_fill,
2613 if (BP_IS_HOLE(bp) || BP_GET_CHECKSUM(bp) == ZIO_CHECKSUM_OFF ||
2614 BP_GET_LEVEL(bp) > 0 || DMU_OT_IS_METADATA(BP_GET_TYPE(bp)))
2617 ddt_key_fill(&zdde_search.zdde_key, bp);
2619 zdde = avl_find(t, &zdde_search, &where);
2622 zdde = umem_zalloc(sizeof (*zdde), UMEM_NOFAIL);
2623 zdde->zdde_key = zdde_search.zdde_key;
2624 avl_insert(t, zdde, where);
2627 zdde->zdde_ref_blocks += 1;
2628 zdde->zdde_ref_lsize += BP_GET_LSIZE(bp);
2629 zdde->zdde_ref_psize += BP_GET_PSIZE(bp);
2630 zdde->zdde_ref_dsize += bp_get_dsize_sync(spa, bp);
2636 dump_simulated_ddt(spa_t *spa)
2639 void *cookie = NULL;
2640 zdb_ddt_entry_t *zdde;
2641 ddt_histogram_t ddh_total = { 0 };
2642 ddt_stat_t dds_total = { 0 };
2644 avl_create(&t, ddt_entry_compare,
2645 sizeof (zdb_ddt_entry_t), offsetof(zdb_ddt_entry_t, zdde_node));
2647 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
2649 (void) traverse_pool(spa, 0, TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA,
2650 zdb_ddt_add_cb, &t);
2652 spa_config_exit(spa, SCL_CONFIG, FTAG);
2654 while ((zdde = avl_destroy_nodes(&t, &cookie)) != NULL) {
2656 uint64_t refcnt = zdde->zdde_ref_blocks;
2657 ASSERT(refcnt != 0);
2659 dds.dds_blocks = zdde->zdde_ref_blocks / refcnt;
2660 dds.dds_lsize = zdde->zdde_ref_lsize / refcnt;
2661 dds.dds_psize = zdde->zdde_ref_psize / refcnt;
2662 dds.dds_dsize = zdde->zdde_ref_dsize / refcnt;
2664 dds.dds_ref_blocks = zdde->zdde_ref_blocks;
2665 dds.dds_ref_lsize = zdde->zdde_ref_lsize;
2666 dds.dds_ref_psize = zdde->zdde_ref_psize;
2667 dds.dds_ref_dsize = zdde->zdde_ref_dsize;
2669 ddt_stat_add(&ddh_total.ddh_stat[highbit(refcnt) - 1], &dds, 0);
2671 umem_free(zdde, sizeof (*zdde));
2676 ddt_histogram_stat(&dds_total, &ddh_total);
2678 (void) printf("Simulated DDT histogram:\n");
2680 zpool_dump_ddt(&dds_total, &ddh_total);
2682 dump_dedup_ratio(&dds_total);
2686 dump_zpool(spa_t *spa)
2688 dsl_pool_t *dp = spa_get_dsl(spa);
2691 if (dump_opt['S']) {
2692 dump_simulated_ddt(spa);
2696 if (!dump_opt['e'] && dump_opt['C'] > 1) {
2697 (void) printf("\nCached configuration:\n");
2698 dump_nvlist(spa->spa_config, 8);
2705 dump_uberblock(&spa->spa_uberblock, "\nUberblock:\n", "\n");
2710 if (dump_opt['d'] > 2 || dump_opt['m'])
2711 dump_metaslabs(spa);
2713 if (dump_opt['d'] || dump_opt['i']) {
2714 dump_dir(dp->dp_meta_objset);
2715 if (dump_opt['d'] >= 3) {
2716 dump_bpobj(&spa->spa_deferred_bpobj,
2717 "Deferred frees", 0);
2718 if (spa_version(spa) >= SPA_VERSION_DEADLISTS) {
2719 dump_bpobj(&spa->spa_dsl_pool->dp_free_bpobj,
2720 "Pool snapshot frees", 0);
2723 if (spa_feature_is_active(spa,
2724 SPA_FEATURE_ASYNC_DESTROY)) {
2725 dump_bptree(spa->spa_meta_objset,
2726 spa->spa_dsl_pool->dp_bptree_obj,
2727 "Pool dataset frees");
2729 dump_dtl(spa->spa_root_vdev, 0);
2731 (void) dmu_objset_find(spa_name(spa), dump_one_dir,
2732 NULL, DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN);
2734 if (dump_opt['b'] || dump_opt['c'])
2735 rc = dump_block_stats(spa);
2738 rc = verify_spacemap_refcounts(spa);
2741 show_pool_stats(spa);
2750 #define ZDB_FLAG_CHECKSUM 0x0001
2751 #define ZDB_FLAG_DECOMPRESS 0x0002
2752 #define ZDB_FLAG_BSWAP 0x0004
2753 #define ZDB_FLAG_GBH 0x0008
2754 #define ZDB_FLAG_INDIRECT 0x0010
2755 #define ZDB_FLAG_PHYS 0x0020
2756 #define ZDB_FLAG_RAW 0x0040
2757 #define ZDB_FLAG_PRINT_BLKPTR 0x0080
2762 zdb_print_blkptr(blkptr_t *bp, int flags)
2764 char blkbuf[BP_SPRINTF_LEN];
2766 if (flags & ZDB_FLAG_BSWAP)
2767 byteswap_uint64_array((void *)bp, sizeof (blkptr_t));
2769 sprintf_blkptr(blkbuf, bp);
2770 (void) printf("%s\n", blkbuf);
2774 zdb_dump_indirect(blkptr_t *bp, int nbps, int flags)
2778 for (i = 0; i < nbps; i++)
2779 zdb_print_blkptr(&bp[i], flags);
2783 zdb_dump_gbh(void *buf, int flags)
2785 zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags);
2789 zdb_dump_block_raw(void *buf, uint64_t size, int flags)
2791 if (flags & ZDB_FLAG_BSWAP)
2792 byteswap_uint64_array(buf, size);
2793 (void) write(1, buf, size);
2797 zdb_dump_block(char *label, void *buf, uint64_t size, int flags)
2799 uint64_t *d = (uint64_t *)buf;
2800 int nwords = size / sizeof (uint64_t);
2801 int do_bswap = !!(flags & ZDB_FLAG_BSWAP);
2807 hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8";
2809 hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f";
2811 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr);
2813 for (i = 0; i < nwords; i += 2) {
2814 (void) printf("%06llx: %016llx %016llx ",
2815 (u_longlong_t)(i * sizeof (uint64_t)),
2816 (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]),
2817 (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1]));
2820 for (j = 0; j < 2 * sizeof (uint64_t); j++)
2821 (void) printf("%c", isprint(c[j]) ? c[j] : '.');
2822 (void) printf("\n");
2827 * There are two acceptable formats:
2828 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a
2829 * child[.child]* - For example: 0.1.1
2831 * The second form can be used to specify arbitrary vdevs anywhere
2832 * in the heirarchy. For example, in a pool with a mirror of
2833 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 .
2836 zdb_vdev_lookup(vdev_t *vdev, char *path)
2844 /* First, assume the x.x.x.x format */
2845 i = (int)strtoul(path, &s, 10);
2846 if (s == path || (s && *s != '.' && *s != '\0'))
2848 if (i < 0 || i >= vdev->vdev_children)
2851 vdev = vdev->vdev_child[i];
2854 return (zdb_vdev_lookup(vdev, s+1));
2857 for (i = 0; i < vdev->vdev_children; i++) {
2858 vdev_t *vc = vdev->vdev_child[i];
2860 if (vc->vdev_path == NULL) {
2861 vc = zdb_vdev_lookup(vc, path);
2868 p = strrchr(vc->vdev_path, '/');
2869 p = p ? p + 1 : vc->vdev_path;
2870 q = &vc->vdev_path[strlen(vc->vdev_path) - 2];
2872 if (strcmp(vc->vdev_path, path) == 0)
2874 if (strcmp(p, path) == 0)
2876 if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0)
2884 * Read a block from a pool and print it out. The syntax of the
2885 * block descriptor is:
2887 * pool:vdev_specifier:offset:size[:flags]
2889 * pool - The name of the pool you wish to read from
2890 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup)
2891 * offset - offset, in hex, in bytes
2892 * size - Amount of data to read, in hex, in bytes
2893 * flags - A string of characters specifying options
2894 * b: Decode a blkptr at given offset within block
2895 * *c: Calculate and display checksums
2896 * d: Decompress data before dumping
2897 * e: Byteswap data before dumping
2898 * g: Display data as a gang block header
2899 * i: Display as an indirect block
2900 * p: Do I/O to physical offset
2901 * r: Dump raw data to stdout
2903 * * = not yet implemented
2906 zdb_read_block(char *thing, spa_t *spa)
2908 blkptr_t blk, *bp = &blk;
2909 dva_t *dva = bp->blk_dva;
2911 uint64_t offset = 0, size = 0, psize = 0, lsize = 0, blkptr_offset = 0;
2914 void *pbuf, *lbuf, *buf;
2915 char *s, *p, *dup, *vdev, *flagstr;
2918 dup = strdup(thing);
2919 s = strtok(dup, ":");
2921 s = strtok(NULL, ":");
2922 offset = strtoull(s ? s : "", NULL, 16);
2923 s = strtok(NULL, ":");
2924 size = strtoull(s ? s : "", NULL, 16);
2925 s = strtok(NULL, ":");
2926 flagstr = s ? s : "";
2930 s = "size must not be zero";
2931 if (!IS_P2ALIGNED(size, DEV_BSIZE))
2932 s = "size must be a multiple of sector size";
2933 if (!IS_P2ALIGNED(offset, DEV_BSIZE))
2934 s = "offset must be a multiple of sector size";
2936 (void) printf("Invalid block specifier: %s - %s\n", thing, s);
2941 for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) {
2942 for (i = 0; flagstr[i]; i++) {
2943 int bit = flagbits[(uchar_t)flagstr[i]];
2946 (void) printf("***Invalid flag: %c\n",
2952 /* If it's not something with an argument, keep going */
2953 if ((bit & (ZDB_FLAG_CHECKSUM |
2954 ZDB_FLAG_PRINT_BLKPTR)) == 0)
2957 p = &flagstr[i + 1];
2958 if (bit == ZDB_FLAG_PRINT_BLKPTR)
2959 blkptr_offset = strtoull(p, &p, 16);
2960 if (*p != ':' && *p != '\0') {
2961 (void) printf("***Invalid flag arg: '%s'\n", s);
2968 vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev);
2970 (void) printf("***Invalid vdev: %s\n", vdev);
2975 (void) fprintf(stderr, "Found vdev: %s\n",
2978 (void) fprintf(stderr, "Found vdev type: %s\n",
2979 vd->vdev_ops->vdev_op_type);
2985 pbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2986 lbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2990 DVA_SET_VDEV(&dva[0], vd->vdev_id);
2991 DVA_SET_OFFSET(&dva[0], offset);
2992 DVA_SET_GANG(&dva[0], !!(flags & ZDB_FLAG_GBH));
2993 DVA_SET_ASIZE(&dva[0], vdev_psize_to_asize(vd, psize));
2995 BP_SET_BIRTH(bp, TXG_INITIAL, TXG_INITIAL);
2997 BP_SET_LSIZE(bp, lsize);
2998 BP_SET_PSIZE(bp, psize);
2999 BP_SET_COMPRESS(bp, ZIO_COMPRESS_OFF);
3000 BP_SET_CHECKSUM(bp, ZIO_CHECKSUM_OFF);
3001 BP_SET_TYPE(bp, DMU_OT_NONE);
3002 BP_SET_LEVEL(bp, 0);
3003 BP_SET_DEDUP(bp, 0);
3004 BP_SET_BYTEORDER(bp, ZFS_HOST_BYTEORDER);
3006 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER);
3007 zio = zio_root(spa, NULL, NULL, 0);
3009 if (vd == vd->vdev_top) {
3011 * Treat this as a normal block read.
3013 zio_nowait(zio_read(zio, spa, bp, pbuf, psize, NULL, NULL,
3014 ZIO_PRIORITY_SYNC_READ,
3015 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL));
3018 * Treat this as a vdev child I/O.
3020 zio_nowait(zio_vdev_child_io(zio, bp, vd, offset, pbuf, psize,
3021 ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ,
3022 ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE |
3023 ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY |
3024 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL, NULL));
3027 error = zio_wait(zio);
3028 spa_config_exit(spa, SCL_STATE, FTAG);
3031 (void) printf("Read of %s failed, error: %d\n", thing, error);
3035 if (flags & ZDB_FLAG_DECOMPRESS) {
3037 * We don't know how the data was compressed, so just try
3038 * every decompress function at every inflated blocksize.
3040 enum zio_compress c;
3041 void *pbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
3042 void *lbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
3044 bcopy(pbuf, pbuf2, psize);
3046 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf + psize,
3047 SPA_MAXBLOCKSIZE - psize) == 0);
3049 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf2 + psize,
3050 SPA_MAXBLOCKSIZE - psize) == 0);
3052 for (lsize = SPA_MAXBLOCKSIZE; lsize > psize;
3053 lsize -= SPA_MINBLOCKSIZE) {
3054 for (c = 0; c < ZIO_COMPRESS_FUNCTIONS; c++) {
3055 if (zio_decompress_data(c, pbuf, lbuf,
3056 psize, lsize) == 0 &&
3057 zio_decompress_data(c, pbuf2, lbuf2,
3058 psize, lsize) == 0 &&
3059 bcmp(lbuf, lbuf2, lsize) == 0)
3062 if (c != ZIO_COMPRESS_FUNCTIONS)
3064 lsize -= SPA_MINBLOCKSIZE;
3067 umem_free(pbuf2, SPA_MAXBLOCKSIZE);
3068 umem_free(lbuf2, SPA_MAXBLOCKSIZE);
3070 if (lsize <= psize) {
3071 (void) printf("Decompress of %s failed\n", thing);
3081 if (flags & ZDB_FLAG_PRINT_BLKPTR)
3082 zdb_print_blkptr((blkptr_t *)(void *)
3083 ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags);
3084 else if (flags & ZDB_FLAG_RAW)
3085 zdb_dump_block_raw(buf, size, flags);
3086 else if (flags & ZDB_FLAG_INDIRECT)
3087 zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t),
3089 else if (flags & ZDB_FLAG_GBH)
3090 zdb_dump_gbh(buf, flags);
3092 zdb_dump_block(thing, buf, size, flags);
3095 umem_free(pbuf, SPA_MAXBLOCKSIZE);
3096 umem_free(lbuf, SPA_MAXBLOCKSIZE);
3101 pool_match(nvlist_t *cfg, char *tgt)
3103 uint64_t v, guid = strtoull(tgt, NULL, 0);
3107 if (nvlist_lookup_uint64(cfg, ZPOOL_CONFIG_POOL_GUID, &v) == 0)
3110 if (nvlist_lookup_string(cfg, ZPOOL_CONFIG_POOL_NAME, &s) == 0)
3111 return (strcmp(s, tgt) == 0);
3117 find_zpool(char **target, nvlist_t **configp, int dirc, char **dirv)
3120 nvlist_t *match = NULL;
3125 importargs_t args = { 0 };
3129 args.can_be_active = B_TRUE;
3131 if ((sepp = strpbrk(*target, "/@")) != NULL) {
3136 pools = zpool_search_import(g_zfs, &args);
3138 if (pools != NULL) {
3139 nvpair_t *elem = NULL;
3140 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) {
3141 verify(nvpair_value_nvlist(elem, configp) == 0);
3142 if (pool_match(*configp, *target)) {
3144 if (match != NULL) {
3145 /* print previously found config */
3147 (void) printf("%s\n", name);
3148 dump_nvlist(match, 8);
3151 (void) printf("%s\n",
3153 dump_nvlist(*configp, 8);
3156 name = nvpair_name(elem);
3162 (void) fatal("\tMatched %d pools - use pool GUID "
3163 "instead of pool name or \n"
3164 "\tpool name part of a dataset name to select pool", count);
3169 * If pool GUID was specified for pool id, replace it with pool name
3171 if (name && (strstr(*target, name) != *target)) {
3172 int sz = 1 + strlen(name) + ((sepp) ? strlen(sepp) : 0);
3174 *target = umem_alloc(sz, UMEM_NOFAIL);
3175 (void) snprintf(*target, sz, "%s%s", name, sepp ? sepp : "");
3178 *configp = name ? match : NULL;
3184 main(int argc, char **argv)
3187 struct rlimit rl = { 1024, 1024 };
3189 objset_t *os = NULL;
3193 char **searchdirs = NULL;
3196 nvlist_t *policy = NULL;
3197 uint64_t max_txg = UINT64_MAX;
3198 int rewind = ZPOOL_NEVER_REWIND;
3200 (void) setrlimit(RLIMIT_NOFILE, &rl);
3201 (void) enable_extended_FILE_stdio(-1, -1);
3203 dprintf_setup(&argc, argv);
3205 while ((c = getopt(argc, argv, "bcdhilmsuCDRSAFLXevp:t:U:P")) != -1) {
3235 if (searchdirs == NULL) {
3236 searchdirs = umem_alloc(sizeof (char *),
3239 char **tmp = umem_alloc((nsearch + 1) *
3240 sizeof (char *), UMEM_NOFAIL);
3241 bcopy(searchdirs, tmp, nsearch *
3243 umem_free(searchdirs,
3244 nsearch * sizeof (char *));
3247 searchdirs[nsearch++] = optarg;
3250 max_txg = strtoull(optarg, NULL, 0);
3251 if (max_txg < TXG_INITIAL) {
3252 (void) fprintf(stderr, "incorrect txg "
3253 "specified: %s\n", optarg);
3258 spa_config_path = optarg;
3266 if (!dump_opt['e'] && searchdirs != NULL) {
3267 (void) fprintf(stderr, "-p option requires use of -e\n");
3272 g_zfs = libzfs_init();
3273 ASSERT(g_zfs != NULL);
3276 verbose = MAX(verbose, 1);
3278 for (c = 0; c < 256; c++) {
3279 if (dump_all && !strchr("elAFLRSXP", c))
3282 dump_opt[c] += verbose;
3285 aok = (dump_opt['A'] == 1) || (dump_opt['A'] > 2);
3286 zfs_recover = (dump_opt['A'] > 1);
3291 if (argc < 2 && dump_opt['R'])
3294 if (!dump_opt['e'] && dump_opt['C']) {
3295 dump_cachefile(spa_config_path);
3301 if (dump_opt['l']) {
3302 dump_label(argv[0]);
3306 if (dump_opt['X'] || dump_opt['F'])
3307 rewind = ZPOOL_DO_REWIND |
3308 (dump_opt['X'] ? ZPOOL_EXTREME_REWIND : 0);
3310 if (nvlist_alloc(&policy, NV_UNIQUE_NAME_TYPE, 0) != 0 ||
3311 nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, max_txg) != 0 ||
3312 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind) != 0)
3313 fatal("internal error: %s", strerror(ENOMEM));
3318 if (dump_opt['e']) {
3319 nvlist_t *cfg = NULL;
3320 char *name = find_zpool(&target, &cfg, nsearch, searchdirs);
3324 if (dump_opt['C'] > 1) {
3325 (void) printf("\nConfiguration for import:\n");
3326 dump_nvlist(cfg, 8);
3328 if (nvlist_add_nvlist(cfg,
3329 ZPOOL_REWIND_POLICY, policy) != 0) {
3330 fatal("can't open '%s': %s",
3331 target, strerror(ENOMEM));
3333 if ((error = spa_import(name, cfg, NULL,
3334 ZFS_IMPORT_MISSING_LOG)) != 0) {
3335 error = spa_import(name, cfg, NULL,
3336 ZFS_IMPORT_VERBATIM);
3342 if (strpbrk(target, "/@") == NULL || dump_opt['R']) {
3343 error = spa_open_rewind(target, &spa, FTAG, policy,
3347 * If we're missing the log device then
3348 * try opening the pool after clearing the
3351 mutex_enter(&spa_namespace_lock);
3352 if ((spa = spa_lookup(target)) != NULL &&
3353 spa->spa_log_state == SPA_LOG_MISSING) {
3354 spa->spa_log_state = SPA_LOG_CLEAR;
3357 mutex_exit(&spa_namespace_lock);
3360 error = spa_open_rewind(target, &spa,
3361 FTAG, policy, NULL);
3365 error = dmu_objset_own(target, DMU_OST_ANY,
3369 nvlist_free(policy);
3372 fatal("can't open '%s': %s", target, strerror(error));
3376 if (!dump_opt['R']) {
3378 zopt_objects = argc;
3379 zopt_object = calloc(zopt_objects, sizeof (uint64_t));
3380 for (i = 0; i < zopt_objects; i++) {
3382 zopt_object[i] = strtoull(argv[i], NULL, 0);
3383 if (zopt_object[i] == 0 && errno != 0)
3384 fatal("bad number %s: %s",
3385 argv[i], strerror(errno));
3390 } else if (zopt_objects > 0 && !dump_opt['m']) {
3391 dump_dir(spa->spa_meta_objset);
3396 flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR;
3397 flagbits['c'] = ZDB_FLAG_CHECKSUM;
3398 flagbits['d'] = ZDB_FLAG_DECOMPRESS;
3399 flagbits['e'] = ZDB_FLAG_BSWAP;
3400 flagbits['g'] = ZDB_FLAG_GBH;
3401 flagbits['i'] = ZDB_FLAG_INDIRECT;
3402 flagbits['p'] = ZDB_FLAG_PHYS;
3403 flagbits['r'] = ZDB_FLAG_RAW;
3405 for (i = 0; i < argc; i++)
3406 zdb_read_block(argv[i], spa);
3409 (os != NULL) ? dmu_objset_disown(os, FTAG) : spa_close(spa, FTAG);
3411 fuid_table_destroy();
3412 sa_loaded = B_FALSE;