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) 2012 by Delphix. All rights reserved.
28 #include <stdio_ext.h>
31 #include <sys/zfs_context.h>
33 #include <sys/spa_impl.h>
36 #include <sys/fs/zfs.h>
37 #include <sys/zfs_znode.h>
38 #include <sys/zfs_sa.h>
40 #include <sys/sa_impl.h>
42 #include <sys/vdev_impl.h>
43 #include <sys/metaslab_impl.h>
44 #include <sys/dmu_objset.h>
45 #include <sys/dsl_dir.h>
46 #include <sys/dsl_dataset.h>
47 #include <sys/dsl_pool.h>
50 #include <sys/zil_impl.h>
52 #include <sys/resource.h>
53 #include <sys/dmu_traverse.h>
54 #include <sys/zio_checksum.h>
55 #include <sys/zio_compress.h>
56 #include <sys/zfs_fuid.h>
59 #include <sys/zfeature.h>
60 #include <zfs_comutil.h>
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))
77 extern int zfs_recover;
82 const char cmdname[] = "zdb";
83 uint8_t dump_opt[256];
85 typedef void object_viewer_t(objset_t *, uint64_t, void *data, size_t size);
87 extern void dump_intent_log(zilog_t *);
88 uint64_t *zopt_object = NULL;
90 libzfs_handle_t *g_zfs;
93 * These libumem hooks provide a reasonable set of defaults for the allocator's
94 * debugging facilities.
99 return ("default,verbose"); /* $UMEM_DEBUG setting */
103 _umem_logging_init(void)
105 return ("fail,contents"); /* $UMEM_LOGGING setting */
111 (void) fprintf(stderr,
112 "Usage: %s [-CumdibcsDvhLXFPA] [-t txg] [-e [-p path...]]"
113 "poolname [object...]\n"
114 " %s [-divPA] [-e -p path...] dataset [object...]\n"
115 " %s -m [-LXFPA] [-t txg] [-e [-p path...]]"
116 "poolname [vdev [metaslab...]]\n"
117 " %s -R [-A] [-e [-p path...]] poolname "
118 "vdev:offset:size[:flags]\n"
119 " %s -S [-PA] [-e [-p path...]] poolname\n"
120 " %s -l [-uA] device\n"
121 " %s -C [-A] [-U config]\n\n",
122 cmdname, cmdname, cmdname, cmdname, cmdname, cmdname, cmdname);
124 (void) fprintf(stderr, " Dataset name must include at least one "
125 "separator character '/' or '@'\n");
126 (void) fprintf(stderr, " If dataset name is specified, only that "
127 "dataset is dumped\n");
128 (void) fprintf(stderr, " If object numbers are specified, only "
129 "those objects are dumped\n\n");
130 (void) fprintf(stderr, " Options to control amount of output:\n");
131 (void) fprintf(stderr, " -u uberblock\n");
132 (void) fprintf(stderr, " -d dataset(s)\n");
133 (void) fprintf(stderr, " -i intent logs\n");
134 (void) fprintf(stderr, " -C config (or cachefile if alone)\n");
135 (void) fprintf(stderr, " -h pool history\n");
136 (void) fprintf(stderr, " -b block statistics\n");
137 (void) fprintf(stderr, " -m metaslabs\n");
138 (void) fprintf(stderr, " -c checksum all metadata (twice for "
139 "all data) blocks\n");
140 (void) fprintf(stderr, " -s report stats on zdb's I/O\n");
141 (void) fprintf(stderr, " -D dedup statistics\n");
142 (void) fprintf(stderr, " -S simulate dedup to measure effect\n");
143 (void) fprintf(stderr, " -v verbose (applies to all others)\n");
144 (void) fprintf(stderr, " -l dump label contents\n");
145 (void) fprintf(stderr, " -L disable leak tracking (do not "
146 "load spacemaps)\n");
147 (void) fprintf(stderr, " -R read and display block from a "
149 (void) fprintf(stderr, " Below options are intended for use "
150 "with other options (except -l):\n");
151 (void) fprintf(stderr, " -A ignore assertions (-A), enable "
152 "panic recovery (-AA) or both (-AAA)\n");
153 (void) fprintf(stderr, " -F attempt automatic rewind within "
154 "safe range of transaction groups\n");
155 (void) fprintf(stderr, " -U <cachefile_path> -- use alternate "
157 (void) fprintf(stderr, " -X attempt extreme rewind (does not "
158 "work with dataset)\n");
159 (void) fprintf(stderr, " -e pool is exported/destroyed/"
160 "has altroot/not in a cachefile\n");
161 (void) fprintf(stderr, " -p <path> -- use one or more with "
162 "-e to specify path to vdev dir\n");
163 (void) fprintf(stderr, " -P print numbers in parseable form\n");
164 (void) fprintf(stderr, " -t <txg> -- highest txg to use when "
165 "searching for uberblocks\n");
166 (void) fprintf(stderr, "Specify an option more than once (e.g. -bb) "
167 "to make only that option verbose\n");
168 (void) fprintf(stderr, "Default is to dump everything non-verbosely\n");
173 * Called for usage errors that are discovered after a call to spa_open(),
174 * dmu_bonus_hold(), or pool_match(). abort() is called for other errors.
178 fatal(const char *fmt, ...)
183 (void) fprintf(stderr, "%s: ", cmdname);
184 (void) vfprintf(stderr, fmt, ap);
186 (void) fprintf(stderr, "\n");
193 dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size)
196 size_t nvsize = *(uint64_t *)data;
197 char *packed = umem_alloc(nvsize, UMEM_NOFAIL);
199 VERIFY(0 == dmu_read(os, object, 0, nvsize, packed, DMU_READ_PREFETCH));
201 VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0);
203 umem_free(packed, nvsize);
212 dump_history_offsets(objset_t *os, uint64_t object, void *data, size_t size)
214 spa_history_phys_t *shp = data;
219 (void) printf("\t\tpool_create_len = %llu\n",
220 (u_longlong_t)shp->sh_pool_create_len);
221 (void) printf("\t\tphys_max_off = %llu\n",
222 (u_longlong_t)shp->sh_phys_max_off);
223 (void) printf("\t\tbof = %llu\n",
224 (u_longlong_t)shp->sh_bof);
225 (void) printf("\t\teof = %llu\n",
226 (u_longlong_t)shp->sh_eof);
227 (void) printf("\t\trecords_lost = %llu\n",
228 (u_longlong_t)shp->sh_records_lost);
232 zdb_nicenum(uint64_t num, char *buf)
235 (void) sprintf(buf, "%llu", (longlong_t)num);
240 const char dump_zap_stars[] = "****************************************";
241 const int dump_zap_width = sizeof (dump_zap_stars) - 1;
244 dump_zap_histogram(uint64_t histo[ZAP_HISTOGRAM_SIZE])
247 int minidx = ZAP_HISTOGRAM_SIZE - 1;
251 for (i = 0; i < ZAP_HISTOGRAM_SIZE; i++) {
254 if (histo[i] > 0 && i > maxidx)
256 if (histo[i] > 0 && i < minidx)
260 if (max < dump_zap_width)
261 max = dump_zap_width;
263 for (i = minidx; i <= maxidx; i++)
264 (void) printf("\t\t\t%u: %6llu %s\n", i, (u_longlong_t)histo[i],
265 &dump_zap_stars[(max - histo[i]) * dump_zap_width / max]);
269 dump_zap_stats(objset_t *os, uint64_t object)
274 error = zap_get_stats(os, object, &zs);
278 if (zs.zs_ptrtbl_len == 0) {
279 ASSERT(zs.zs_num_blocks == 1);
280 (void) printf("\tmicrozap: %llu bytes, %llu entries\n",
281 (u_longlong_t)zs.zs_blocksize,
282 (u_longlong_t)zs.zs_num_entries);
286 (void) printf("\tFat ZAP stats:\n");
288 (void) printf("\t\tPointer table:\n");
289 (void) printf("\t\t\t%llu elements\n",
290 (u_longlong_t)zs.zs_ptrtbl_len);
291 (void) printf("\t\t\tzt_blk: %llu\n",
292 (u_longlong_t)zs.zs_ptrtbl_zt_blk);
293 (void) printf("\t\t\tzt_numblks: %llu\n",
294 (u_longlong_t)zs.zs_ptrtbl_zt_numblks);
295 (void) printf("\t\t\tzt_shift: %llu\n",
296 (u_longlong_t)zs.zs_ptrtbl_zt_shift);
297 (void) printf("\t\t\tzt_blks_copied: %llu\n",
298 (u_longlong_t)zs.zs_ptrtbl_blks_copied);
299 (void) printf("\t\t\tzt_nextblk: %llu\n",
300 (u_longlong_t)zs.zs_ptrtbl_nextblk);
302 (void) printf("\t\tZAP entries: %llu\n",
303 (u_longlong_t)zs.zs_num_entries);
304 (void) printf("\t\tLeaf blocks: %llu\n",
305 (u_longlong_t)zs.zs_num_leafs);
306 (void) printf("\t\tTotal blocks: %llu\n",
307 (u_longlong_t)zs.zs_num_blocks);
308 (void) printf("\t\tzap_block_type: 0x%llx\n",
309 (u_longlong_t)zs.zs_block_type);
310 (void) printf("\t\tzap_magic: 0x%llx\n",
311 (u_longlong_t)zs.zs_magic);
312 (void) printf("\t\tzap_salt: 0x%llx\n",
313 (u_longlong_t)zs.zs_salt);
315 (void) printf("\t\tLeafs with 2^n pointers:\n");
316 dump_zap_histogram(zs.zs_leafs_with_2n_pointers);
318 (void) printf("\t\tBlocks with n*5 entries:\n");
319 dump_zap_histogram(zs.zs_blocks_with_n5_entries);
321 (void) printf("\t\tBlocks n/10 full:\n");
322 dump_zap_histogram(zs.zs_blocks_n_tenths_full);
324 (void) printf("\t\tEntries with n chunks:\n");
325 dump_zap_histogram(zs.zs_entries_using_n_chunks);
327 (void) printf("\t\tBuckets with n entries:\n");
328 dump_zap_histogram(zs.zs_buckets_with_n_entries);
333 dump_none(objset_t *os, uint64_t object, void *data, size_t size)
339 dump_unknown(objset_t *os, uint64_t object, void *data, size_t size)
341 (void) printf("\tUNKNOWN OBJECT TYPE\n");
346 dump_uint8(objset_t *os, uint64_t object, void *data, size_t size)
352 dump_uint64(objset_t *os, uint64_t object, void *data, size_t size)
358 dump_zap(objset_t *os, uint64_t object, void *data, size_t size)
361 zap_attribute_t attr;
365 dump_zap_stats(os, object);
368 for (zap_cursor_init(&zc, os, object);
369 zap_cursor_retrieve(&zc, &attr) == 0;
370 zap_cursor_advance(&zc)) {
371 (void) printf("\t\t%s = ", attr.za_name);
372 if (attr.za_num_integers == 0) {
376 prop = umem_zalloc(attr.za_num_integers *
377 attr.za_integer_length, UMEM_NOFAIL);
378 (void) zap_lookup(os, object, attr.za_name,
379 attr.za_integer_length, attr.za_num_integers, prop);
380 if (attr.za_integer_length == 1) {
381 (void) printf("%s", (char *)prop);
383 for (i = 0; i < attr.za_num_integers; i++) {
384 switch (attr.za_integer_length) {
387 ((uint16_t *)prop)[i]);
391 ((uint32_t *)prop)[i]);
394 (void) printf("%lld ",
395 (u_longlong_t)((int64_t *)prop)[i]);
401 umem_free(prop, attr.za_num_integers * attr.za_integer_length);
403 zap_cursor_fini(&zc);
408 dump_ddt_zap(objset_t *os, uint64_t object, void *data, size_t size)
410 dump_zap_stats(os, object);
411 /* contents are printed elsewhere, properly decoded */
416 dump_sa_attrs(objset_t *os, uint64_t object, void *data, size_t size)
419 zap_attribute_t attr;
421 dump_zap_stats(os, object);
424 for (zap_cursor_init(&zc, os, object);
425 zap_cursor_retrieve(&zc, &attr) == 0;
426 zap_cursor_advance(&zc)) {
427 (void) printf("\t\t%s = ", attr.za_name);
428 if (attr.za_num_integers == 0) {
432 (void) printf(" %llx : [%d:%d:%d]\n",
433 (u_longlong_t)attr.za_first_integer,
434 (int)ATTR_LENGTH(attr.za_first_integer),
435 (int)ATTR_BSWAP(attr.za_first_integer),
436 (int)ATTR_NUM(attr.za_first_integer));
438 zap_cursor_fini(&zc);
443 dump_sa_layouts(objset_t *os, uint64_t object, void *data, size_t size)
446 zap_attribute_t attr;
447 uint16_t *layout_attrs;
450 dump_zap_stats(os, object);
453 for (zap_cursor_init(&zc, os, object);
454 zap_cursor_retrieve(&zc, &attr) == 0;
455 zap_cursor_advance(&zc)) {
456 (void) printf("\t\t%s = [", attr.za_name);
457 if (attr.za_num_integers == 0) {
462 VERIFY(attr.za_integer_length == 2);
463 layout_attrs = umem_zalloc(attr.za_num_integers *
464 attr.za_integer_length, UMEM_NOFAIL);
466 VERIFY(zap_lookup(os, object, attr.za_name,
467 attr.za_integer_length,
468 attr.za_num_integers, layout_attrs) == 0);
470 for (i = 0; i != attr.za_num_integers; i++)
471 (void) printf(" %d ", (int)layout_attrs[i]);
472 (void) printf("]\n");
473 umem_free(layout_attrs,
474 attr.za_num_integers * attr.za_integer_length);
476 zap_cursor_fini(&zc);
481 dump_zpldir(objset_t *os, uint64_t object, void *data, size_t size)
484 zap_attribute_t attr;
485 const char *typenames[] = {
486 /* 0 */ "not specified",
488 /* 2 */ "Character Device",
489 /* 3 */ "3 (invalid)",
491 /* 5 */ "5 (invalid)",
492 /* 6 */ "Block Device",
493 /* 7 */ "7 (invalid)",
494 /* 8 */ "Regular File",
495 /* 9 */ "9 (invalid)",
496 /* 10 */ "Symbolic Link",
497 /* 11 */ "11 (invalid)",
500 /* 14 */ "Event Port",
501 /* 15 */ "15 (invalid)",
504 dump_zap_stats(os, object);
507 for (zap_cursor_init(&zc, os, object);
508 zap_cursor_retrieve(&zc, &attr) == 0;
509 zap_cursor_advance(&zc)) {
510 (void) printf("\t\t%s = %lld (type: %s)\n",
511 attr.za_name, ZFS_DIRENT_OBJ(attr.za_first_integer),
512 typenames[ZFS_DIRENT_TYPE(attr.za_first_integer)]);
514 zap_cursor_fini(&zc);
518 dump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm)
520 uint64_t alloc, offset, entry;
521 uint8_t mapshift = sm->sm_shift;
522 uint64_t mapstart = sm->sm_start;
523 char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID",
524 "INVALID", "INVALID", "INVALID", "INVALID" };
526 if (smo->smo_object == 0)
530 * Print out the freelist entries in both encoded and decoded form.
533 for (offset = 0; offset < smo->smo_objsize; offset += sizeof (entry)) {
534 VERIFY3U(0, ==, dmu_read(os, smo->smo_object, offset,
535 sizeof (entry), &entry, DMU_READ_PREFETCH));
536 if (SM_DEBUG_DECODE(entry)) {
537 (void) printf("\t [%6llu] %s: txg %llu, pass %llu\n",
538 (u_longlong_t)(offset / sizeof (entry)),
539 ddata[SM_DEBUG_ACTION_DECODE(entry)],
540 (u_longlong_t)SM_DEBUG_TXG_DECODE(entry),
541 (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry));
543 (void) printf("\t [%6llu] %c range:"
544 " %010llx-%010llx size: %06llx\n",
545 (u_longlong_t)(offset / sizeof (entry)),
546 SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F',
547 (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
548 mapshift) + mapstart),
549 (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
550 mapshift) + mapstart + (SM_RUN_DECODE(entry) <<
552 (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift));
553 if (SM_TYPE_DECODE(entry) == SM_ALLOC)
554 alloc += SM_RUN_DECODE(entry) << mapshift;
556 alloc -= SM_RUN_DECODE(entry) << mapshift;
559 if (alloc != smo->smo_alloc) {
560 (void) printf("space_map_object alloc (%llu) INCONSISTENT "
561 "with space map summary (%llu)\n",
562 (u_longlong_t)smo->smo_alloc, (u_longlong_t)alloc);
567 dump_metaslab_stats(metaslab_t *msp)
570 space_map_t *sm = msp->ms_map;
571 avl_tree_t *t = sm->sm_pp_root;
572 int free_pct = sm->sm_space * 100 / sm->sm_size;
574 zdb_nicenum(space_map_maxsize(sm), maxbuf);
576 (void) printf("\t %25s %10lu %7s %6s %4s %4d%%\n",
577 "segments", avl_numnodes(t), "maxsize", maxbuf,
578 "freepct", free_pct);
582 dump_metaslab(metaslab_t *msp)
584 vdev_t *vd = msp->ms_group->mg_vd;
585 spa_t *spa = vd->vdev_spa;
586 space_map_t *sm = msp->ms_map;
587 space_map_obj_t *smo = &msp->ms_smo;
590 zdb_nicenum(sm->sm_size - smo->smo_alloc, freebuf);
593 "\tmetaslab %6llu offset %12llx spacemap %6llu free %5s\n",
594 (u_longlong_t)(sm->sm_start / sm->sm_size),
595 (u_longlong_t)sm->sm_start, (u_longlong_t)smo->smo_object, freebuf);
597 if (dump_opt['m'] > 1 && !dump_opt['L']) {
598 mutex_enter(&msp->ms_lock);
599 space_map_load_wait(sm);
601 VERIFY(space_map_load(sm, zfs_metaslab_ops,
602 SM_FREE, smo, spa->spa_meta_objset) == 0);
603 dump_metaslab_stats(msp);
604 space_map_unload(sm);
605 mutex_exit(&msp->ms_lock);
608 if (dump_opt['d'] > 5 || dump_opt['m'] > 2) {
609 ASSERT(sm->sm_size == (1ULL << vd->vdev_ms_shift));
611 mutex_enter(&msp->ms_lock);
612 dump_spacemap(spa->spa_meta_objset, smo, sm);
613 mutex_exit(&msp->ms_lock);
618 print_vdev_metaslab_header(vdev_t *vd)
620 (void) printf("\tvdev %10llu\n\t%-10s%5llu %-19s %-15s %-10s\n",
621 (u_longlong_t)vd->vdev_id,
622 "metaslabs", (u_longlong_t)vd->vdev_ms_count,
623 "offset", "spacemap", "free");
624 (void) printf("\t%15s %19s %15s %10s\n",
625 "---------------", "-------------------",
626 "---------------", "-------------");
630 dump_metaslabs(spa_t *spa)
632 vdev_t *vd, *rvd = spa->spa_root_vdev;
633 uint64_t m, c = 0, children = rvd->vdev_children;
635 (void) printf("\nMetaslabs:\n");
637 if (!dump_opt['d'] && zopt_objects > 0) {
641 (void) fatal("bad vdev id: %llu", (u_longlong_t)c);
643 if (zopt_objects > 1) {
644 vd = rvd->vdev_child[c];
645 print_vdev_metaslab_header(vd);
647 for (m = 1; m < zopt_objects; m++) {
648 if (zopt_object[m] < vd->vdev_ms_count)
650 vd->vdev_ms[zopt_object[m]]);
652 (void) fprintf(stderr, "bad metaslab "
654 (u_longlong_t)zopt_object[m]);
661 for (; c < children; c++) {
662 vd = rvd->vdev_child[c];
663 print_vdev_metaslab_header(vd);
665 for (m = 0; m < vd->vdev_ms_count; m++)
666 dump_metaslab(vd->vdev_ms[m]);
672 dump_dde(const ddt_t *ddt, const ddt_entry_t *dde, uint64_t index)
674 const ddt_phys_t *ddp = dde->dde_phys;
675 const ddt_key_t *ddk = &dde->dde_key;
676 char *types[4] = { "ditto", "single", "double", "triple" };
677 char blkbuf[BP_SPRINTF_LEN];
680 for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
681 if (ddp->ddp_phys_birth == 0)
683 ddt_bp_create(ddt->ddt_checksum, ddk, ddp, &blk);
684 sprintf_blkptr(blkbuf, &blk);
685 (void) printf("index %llx refcnt %llu %s %s\n",
686 (u_longlong_t)index, (u_longlong_t)ddp->ddp_refcnt,
692 dump_dedup_ratio(const ddt_stat_t *dds)
694 double rL, rP, rD, D, dedup, compress, copies;
696 if (dds->dds_blocks == 0)
699 rL = (double)dds->dds_ref_lsize;
700 rP = (double)dds->dds_ref_psize;
701 rD = (double)dds->dds_ref_dsize;
702 D = (double)dds->dds_dsize;
708 (void) printf("dedup = %.2f, compress = %.2f, copies = %.2f, "
709 "dedup * compress / copies = %.2f\n\n",
710 dedup, compress, copies, dedup * compress / copies);
714 dump_ddt(ddt_t *ddt, enum ddt_type type, enum ddt_class class)
716 char name[DDT_NAMELEN];
719 dmu_object_info_t doi;
720 uint64_t count, dspace, mspace;
723 error = ddt_object_info(ddt, type, class, &doi);
729 error = ddt_object_count(ddt, type, class, &count);
734 dspace = doi.doi_physical_blocks_512 << 9;
735 mspace = doi.doi_fill_count * doi.doi_data_block_size;
737 ddt_object_name(ddt, type, class, name);
739 (void) printf("%s: %llu entries, size %llu on disk, %llu in core\n",
742 (u_longlong_t)(dspace / count),
743 (u_longlong_t)(mspace / count));
745 if (dump_opt['D'] < 3)
748 zpool_dump_ddt(NULL, &ddt->ddt_histogram[type][class]);
750 if (dump_opt['D'] < 4)
753 if (dump_opt['D'] < 5 && class == DDT_CLASS_UNIQUE)
756 (void) printf("%s contents:\n\n", name);
758 while ((error = ddt_object_walk(ddt, type, class, &walk, &dde)) == 0)
759 dump_dde(ddt, &dde, walk);
761 ASSERT(error == ENOENT);
767 dump_all_ddts(spa_t *spa)
769 ddt_histogram_t ddh_total = { 0 };
770 ddt_stat_t dds_total = { 0 };
772 for (enum zio_checksum c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
773 ddt_t *ddt = spa->spa_ddt[c];
774 for (enum ddt_type type = 0; type < DDT_TYPES; type++) {
775 for (enum ddt_class class = 0; class < DDT_CLASSES;
777 dump_ddt(ddt, type, class);
782 ddt_get_dedup_stats(spa, &dds_total);
784 if (dds_total.dds_blocks == 0) {
785 (void) printf("All DDTs are empty\n");
791 if (dump_opt['D'] > 1) {
792 (void) printf("DDT histogram (aggregated over all DDTs):\n");
793 ddt_get_dedup_histogram(spa, &ddh_total);
794 zpool_dump_ddt(&dds_total, &ddh_total);
797 dump_dedup_ratio(&dds_total);
801 dump_dtl_seg(space_map_t *sm, uint64_t start, uint64_t size)
803 char *prefix = (void *)sm;
805 (void) printf("%s [%llu,%llu) length %llu\n",
808 (u_longlong_t)(start + size),
809 (u_longlong_t)(size));
813 dump_dtl(vdev_t *vd, int indent)
815 spa_t *spa = vd->vdev_spa;
817 char *name[DTL_TYPES] = { "missing", "partial", "scrub", "outage" };
820 spa_vdev_state_enter(spa, SCL_NONE);
821 required = vdev_dtl_required(vd);
822 (void) spa_vdev_state_exit(spa, NULL, 0);
825 (void) printf("\nDirty time logs:\n\n");
827 (void) printf("\t%*s%s [%s]\n", indent, "",
828 vd->vdev_path ? vd->vdev_path :
829 vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa),
830 required ? "DTL-required" : "DTL-expendable");
832 for (int t = 0; t < DTL_TYPES; t++) {
833 space_map_t *sm = &vd->vdev_dtl[t];
834 if (sm->sm_space == 0)
836 (void) snprintf(prefix, sizeof (prefix), "\t%*s%s",
837 indent + 2, "", name[t]);
838 mutex_enter(sm->sm_lock);
839 space_map_walk(sm, dump_dtl_seg, (void *)prefix);
840 mutex_exit(sm->sm_lock);
841 if (dump_opt['d'] > 5 && vd->vdev_children == 0)
842 dump_spacemap(spa->spa_meta_objset,
843 &vd->vdev_dtl_smo, sm);
846 for (int c = 0; c < vd->vdev_children; c++)
847 dump_dtl(vd->vdev_child[c], indent + 4);
851 dump_history(spa_t *spa)
853 nvlist_t **events = NULL;
854 char buf[SPA_MAXBLOCKSIZE];
855 uint64_t resid, len, off = 0;
861 char internalstr[MAXPATHLEN];
866 if ((error = spa_history_get(spa, &off, &len, buf)) != 0) {
867 (void) fprintf(stderr, "Unable to read history: "
868 "error %d\n", error);
872 if (zpool_history_unpack(buf, len, &resid, &events, &num) != 0)
878 (void) printf("\nHistory:\n");
879 for (int i = 0; i < num; i++) {
880 uint64_t time, txg, ievent;
882 boolean_t printed = B_FALSE;
884 if (nvlist_lookup_uint64(events[i], ZPOOL_HIST_TIME,
887 if (nvlist_lookup_string(events[i], ZPOOL_HIST_CMD,
889 if (nvlist_lookup_uint64(events[i],
890 ZPOOL_HIST_INT_EVENT, &ievent) != 0)
892 verify(nvlist_lookup_uint64(events[i],
893 ZPOOL_HIST_TXG, &txg) == 0);
894 verify(nvlist_lookup_string(events[i],
895 ZPOOL_HIST_INT_STR, &intstr) == 0);
896 if (ievent >= ZFS_NUM_LEGACY_HISTORY_EVENTS)
899 (void) snprintf(internalstr,
900 sizeof (internalstr),
901 "[internal %s txg:%lld] %s",
902 zfs_history_event_names[ievent], txg,
907 (void) localtime_r(&tsec, &t);
908 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t);
909 (void) printf("%s %s\n", tbuf, cmd);
913 if (dump_opt['h'] > 1) {
915 (void) printf("unrecognized record:\n");
916 dump_nvlist(events[i], 2);
923 dump_dnode(objset_t *os, uint64_t object, void *data, size_t size)
928 blkid2offset(const dnode_phys_t *dnp, const blkptr_t *bp, const zbookmark_t *zb)
931 ASSERT(zb->zb_level < 0);
932 if (zb->zb_object == 0)
933 return (zb->zb_blkid);
934 return (zb->zb_blkid * BP_GET_LSIZE(bp));
937 ASSERT(zb->zb_level >= 0);
939 return ((zb->zb_blkid <<
940 (zb->zb_level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) *
941 dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT);
945 sprintf_blkptr_compact(char *blkbuf, const blkptr_t *bp)
947 const dva_t *dva = bp->blk_dva;
948 int ndvas = dump_opt['d'] > 5 ? BP_GET_NDVAS(bp) : 1;
950 if (dump_opt['b'] >= 5) {
951 sprintf_blkptr(blkbuf, bp);
957 for (int i = 0; i < ndvas; i++)
958 (void) sprintf(blkbuf + strlen(blkbuf), "%llu:%llx:%llx ",
959 (u_longlong_t)DVA_GET_VDEV(&dva[i]),
960 (u_longlong_t)DVA_GET_OFFSET(&dva[i]),
961 (u_longlong_t)DVA_GET_ASIZE(&dva[i]));
963 (void) sprintf(blkbuf + strlen(blkbuf),
964 "%llxL/%llxP F=%llu B=%llu/%llu",
965 (u_longlong_t)BP_GET_LSIZE(bp),
966 (u_longlong_t)BP_GET_PSIZE(bp),
967 (u_longlong_t)bp->blk_fill,
968 (u_longlong_t)bp->blk_birth,
969 (u_longlong_t)BP_PHYSICAL_BIRTH(bp));
973 print_indirect(blkptr_t *bp, const zbookmark_t *zb,
974 const dnode_phys_t *dnp)
976 char blkbuf[BP_SPRINTF_LEN];
979 ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type);
980 ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level);
982 (void) printf("%16llx ", (u_longlong_t)blkid2offset(dnp, bp, zb));
984 ASSERT(zb->zb_level >= 0);
986 for (l = dnp->dn_nlevels - 1; l >= -1; l--) {
987 if (l == zb->zb_level) {
988 (void) printf("L%llx", (u_longlong_t)zb->zb_level);
994 sprintf_blkptr_compact(blkbuf, bp);
995 (void) printf("%s\n", blkbuf);
999 visit_indirect(spa_t *spa, const dnode_phys_t *dnp,
1000 blkptr_t *bp, const zbookmark_t *zb)
1004 if (bp->blk_birth == 0)
1007 print_indirect(bp, zb, dnp);
1009 if (BP_GET_LEVEL(bp) > 0) {
1010 uint32_t flags = ARC_WAIT;
1013 int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT;
1017 err = arc_read(NULL, spa, bp, arc_getbuf_func, &buf,
1018 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb);
1021 ASSERT(buf->b_data);
1023 /* recursively visit blocks below this */
1025 for (i = 0; i < epb; i++, cbp++) {
1028 SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object,
1030 zb->zb_blkid * epb + i);
1031 err = visit_indirect(spa, dnp, cbp, &czb);
1034 fill += cbp->blk_fill;
1037 ASSERT3U(fill, ==, bp->blk_fill);
1038 (void) arc_buf_remove_ref(buf, &buf);
1046 dump_indirect(dnode_t *dn)
1048 dnode_phys_t *dnp = dn->dn_phys;
1052 (void) printf("Indirect blocks:\n");
1054 SET_BOOKMARK(&czb, dmu_objset_id(dn->dn_objset),
1055 dn->dn_object, dnp->dn_nlevels - 1, 0);
1056 for (j = 0; j < dnp->dn_nblkptr; j++) {
1058 (void) visit_indirect(dmu_objset_spa(dn->dn_objset), dnp,
1059 &dnp->dn_blkptr[j], &czb);
1062 (void) printf("\n");
1067 dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size)
1069 dsl_dir_phys_t *dd = data;
1076 ASSERT3U(size, >=, sizeof (dsl_dir_phys_t));
1078 crtime = dd->dd_creation_time;
1079 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
1080 (void) printf("\t\thead_dataset_obj = %llu\n",
1081 (u_longlong_t)dd->dd_head_dataset_obj);
1082 (void) printf("\t\tparent_dir_obj = %llu\n",
1083 (u_longlong_t)dd->dd_parent_obj);
1084 (void) printf("\t\torigin_obj = %llu\n",
1085 (u_longlong_t)dd->dd_origin_obj);
1086 (void) printf("\t\tchild_dir_zapobj = %llu\n",
1087 (u_longlong_t)dd->dd_child_dir_zapobj);
1088 zdb_nicenum(dd->dd_used_bytes, nice);
1089 (void) printf("\t\tused_bytes = %s\n", nice);
1090 zdb_nicenum(dd->dd_compressed_bytes, nice);
1091 (void) printf("\t\tcompressed_bytes = %s\n", nice);
1092 zdb_nicenum(dd->dd_uncompressed_bytes, nice);
1093 (void) printf("\t\tuncompressed_bytes = %s\n", nice);
1094 zdb_nicenum(dd->dd_quota, nice);
1095 (void) printf("\t\tquota = %s\n", nice);
1096 zdb_nicenum(dd->dd_reserved, nice);
1097 (void) printf("\t\treserved = %s\n", nice);
1098 (void) printf("\t\tprops_zapobj = %llu\n",
1099 (u_longlong_t)dd->dd_props_zapobj);
1100 (void) printf("\t\tdeleg_zapobj = %llu\n",
1101 (u_longlong_t)dd->dd_deleg_zapobj);
1102 (void) printf("\t\tflags = %llx\n",
1103 (u_longlong_t)dd->dd_flags);
1106 zdb_nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \
1107 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice)
1118 dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size)
1120 dsl_dataset_phys_t *ds = data;
1122 char used[32], compressed[32], uncompressed[32], unique[32];
1123 char blkbuf[BP_SPRINTF_LEN];
1128 ASSERT(size == sizeof (*ds));
1129 crtime = ds->ds_creation_time;
1130 zdb_nicenum(ds->ds_referenced_bytes, used);
1131 zdb_nicenum(ds->ds_compressed_bytes, compressed);
1132 zdb_nicenum(ds->ds_uncompressed_bytes, uncompressed);
1133 zdb_nicenum(ds->ds_unique_bytes, unique);
1134 sprintf_blkptr(blkbuf, &ds->ds_bp);
1136 (void) printf("\t\tdir_obj = %llu\n",
1137 (u_longlong_t)ds->ds_dir_obj);
1138 (void) printf("\t\tprev_snap_obj = %llu\n",
1139 (u_longlong_t)ds->ds_prev_snap_obj);
1140 (void) printf("\t\tprev_snap_txg = %llu\n",
1141 (u_longlong_t)ds->ds_prev_snap_txg);
1142 (void) printf("\t\tnext_snap_obj = %llu\n",
1143 (u_longlong_t)ds->ds_next_snap_obj);
1144 (void) printf("\t\tsnapnames_zapobj = %llu\n",
1145 (u_longlong_t)ds->ds_snapnames_zapobj);
1146 (void) printf("\t\tnum_children = %llu\n",
1147 (u_longlong_t)ds->ds_num_children);
1148 (void) printf("\t\tuserrefs_obj = %llu\n",
1149 (u_longlong_t)ds->ds_userrefs_obj);
1150 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
1151 (void) printf("\t\tcreation_txg = %llu\n",
1152 (u_longlong_t)ds->ds_creation_txg);
1153 (void) printf("\t\tdeadlist_obj = %llu\n",
1154 (u_longlong_t)ds->ds_deadlist_obj);
1155 (void) printf("\t\tused_bytes = %s\n", used);
1156 (void) printf("\t\tcompressed_bytes = %s\n", compressed);
1157 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed);
1158 (void) printf("\t\tunique = %s\n", unique);
1159 (void) printf("\t\tfsid_guid = %llu\n",
1160 (u_longlong_t)ds->ds_fsid_guid);
1161 (void) printf("\t\tguid = %llu\n",
1162 (u_longlong_t)ds->ds_guid);
1163 (void) printf("\t\tflags = %llx\n",
1164 (u_longlong_t)ds->ds_flags);
1165 (void) printf("\t\tnext_clones_obj = %llu\n",
1166 (u_longlong_t)ds->ds_next_clones_obj);
1167 (void) printf("\t\tprops_obj = %llu\n",
1168 (u_longlong_t)ds->ds_props_obj);
1169 (void) printf("\t\tbp = %s\n", blkbuf);
1174 dump_bptree_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
1176 char blkbuf[BP_SPRINTF_LEN];
1178 if (bp->blk_birth != 0) {
1179 sprintf_blkptr(blkbuf, bp);
1180 (void) printf("\t%s\n", blkbuf);
1186 dump_bptree(objset_t *os, uint64_t obj, char *name)
1192 if (dump_opt['d'] < 3)
1195 VERIFY3U(0, ==, dmu_bonus_hold(os, obj, FTAG, &db));
1197 zdb_nicenum(bt->bt_bytes, bytes);
1198 (void) printf("\n %s: %llu datasets, %s\n",
1199 name, (unsigned long long)(bt->bt_end - bt->bt_begin), bytes);
1200 dmu_buf_rele(db, FTAG);
1202 if (dump_opt['d'] < 5)
1205 (void) printf("\n");
1207 (void) bptree_iterate(os, obj, B_FALSE, dump_bptree_cb, NULL, NULL);
1212 dump_bpobj_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
1214 char blkbuf[BP_SPRINTF_LEN];
1216 ASSERT(bp->blk_birth != 0);
1217 sprintf_blkptr_compact(blkbuf, bp);
1218 (void) printf("\t%s\n", blkbuf);
1223 dump_bpobj(bpobj_t *bpo, char *name, int indent)
1229 if (dump_opt['d'] < 3)
1232 zdb_nicenum(bpo->bpo_phys->bpo_bytes, bytes);
1233 if (bpo->bpo_havesubobj && bpo->bpo_phys->bpo_subobjs != 0) {
1234 zdb_nicenum(bpo->bpo_phys->bpo_comp, comp);
1235 zdb_nicenum(bpo->bpo_phys->bpo_uncomp, uncomp);
1236 (void) printf(" %*s: object %llu, %llu local blkptrs, "
1237 "%llu subobjs, %s (%s/%s comp)\n",
1239 (u_longlong_t)bpo->bpo_object,
1240 (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs,
1241 (u_longlong_t)bpo->bpo_phys->bpo_num_subobjs,
1242 bytes, comp, uncomp);
1244 for (uint64_t i = 0; i < bpo->bpo_phys->bpo_num_subobjs; i++) {
1248 VERIFY0(dmu_read(bpo->bpo_os,
1249 bpo->bpo_phys->bpo_subobjs,
1250 i * sizeof (subobj), sizeof (subobj), &subobj, 0));
1251 error = bpobj_open(&subbpo, bpo->bpo_os, subobj);
1253 (void) printf("ERROR %u while trying to open "
1255 error, (u_longlong_t)subobj);
1258 dump_bpobj(&subbpo, "subobj", indent + 1);
1259 bpobj_close(&subbpo);
1262 (void) printf(" %*s: object %llu, %llu blkptrs, %s\n",
1264 (u_longlong_t)bpo->bpo_object,
1265 (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs,
1269 if (dump_opt['d'] < 5)
1274 (void) bpobj_iterate_nofree(bpo, dump_bpobj_cb, NULL, NULL);
1275 (void) printf("\n");
1280 dump_deadlist(dsl_deadlist_t *dl)
1282 dsl_deadlist_entry_t *dle;
1288 if (dump_opt['d'] < 3)
1291 zdb_nicenum(dl->dl_phys->dl_used, bytes);
1292 zdb_nicenum(dl->dl_phys->dl_comp, comp);
1293 zdb_nicenum(dl->dl_phys->dl_uncomp, uncomp);
1294 (void) printf("\n Deadlist: %s (%s/%s comp)\n",
1295 bytes, comp, uncomp);
1297 if (dump_opt['d'] < 4)
1300 (void) printf("\n");
1302 /* force the tree to be loaded */
1303 dsl_deadlist_space_range(dl, 0, UINT64_MAX, &unused, &unused, &unused);
1305 for (dle = avl_first(&dl->dl_tree); dle;
1306 dle = AVL_NEXT(&dl->dl_tree, dle)) {
1307 if (dump_opt['d'] >= 5) {
1309 (void) snprintf(buf, sizeof (buf), "mintxg %llu -> ",
1310 (longlong_t)dle->dle_mintxg,
1311 (longlong_t)dle->dle_bpobj.bpo_object);
1313 dump_bpobj(&dle->dle_bpobj, buf, 0);
1315 (void) printf("mintxg %llu -> obj %llu\n",
1316 (longlong_t)dle->dle_mintxg,
1317 (longlong_t)dle->dle_bpobj.bpo_object);
1323 static avl_tree_t idx_tree;
1324 static avl_tree_t domain_tree;
1325 static boolean_t fuid_table_loaded;
1326 static boolean_t sa_loaded;
1327 sa_attr_type_t *sa_attr_table;
1330 fuid_table_destroy()
1332 if (fuid_table_loaded) {
1333 zfs_fuid_table_destroy(&idx_tree, &domain_tree);
1334 fuid_table_loaded = B_FALSE;
1339 * print uid or gid information.
1340 * For normal POSIX id just the id is printed in decimal format.
1341 * For CIFS files with FUID the fuid is printed in hex followed by
1342 * the domain-rid string.
1345 print_idstr(uint64_t id, const char *id_type)
1347 if (FUID_INDEX(id)) {
1350 domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id));
1351 (void) printf("\t%s %llx [%s-%d]\n", id_type,
1352 (u_longlong_t)id, domain, (int)FUID_RID(id));
1354 (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id);
1360 dump_uidgid(objset_t *os, uint64_t uid, uint64_t gid)
1362 uint32_t uid_idx, gid_idx;
1364 uid_idx = FUID_INDEX(uid);
1365 gid_idx = FUID_INDEX(gid);
1367 /* Load domain table, if not already loaded */
1368 if (!fuid_table_loaded && (uid_idx || gid_idx)) {
1371 /* first find the fuid object. It lives in the master node */
1372 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES,
1373 8, 1, &fuid_obj) == 0);
1374 zfs_fuid_avl_tree_create(&idx_tree, &domain_tree);
1375 (void) zfs_fuid_table_load(os, fuid_obj,
1376 &idx_tree, &domain_tree);
1377 fuid_table_loaded = B_TRUE;
1380 print_idstr(uid, "uid");
1381 print_idstr(gid, "gid");
1386 dump_znode(objset_t *os, uint64_t object, void *data, size_t size)
1388 char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */
1390 uint64_t xattr, rdev, gen;
1391 uint64_t uid, gid, mode, fsize, parent, links;
1393 uint64_t acctm[2], modtm[2], chgtm[2], crtm[2];
1394 time_t z_crtime, z_atime, z_mtime, z_ctime;
1395 sa_bulk_attr_t bulk[12];
1400 uint64_t sa_attrs = 0;
1403 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZPL_VERSION_STR,
1404 8, 1, &version) == 0);
1405 if (version >= ZPL_VERSION_SA) {
1406 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_SA_ATTRS,
1407 8, 1, &sa_attrs) == 0);
1409 if ((error = sa_setup(os, sa_attrs, zfs_attr_table,
1410 ZPL_END, &sa_attr_table)) != 0) {
1411 (void) printf("sa_setup failed errno %d, can't "
1412 "display znode contents\n", error);
1418 if (sa_handle_get(os, object, NULL, SA_HDL_PRIVATE, &hdl)) {
1419 (void) printf("Failed to get handle for SA znode\n");
1423 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_UID], NULL, &uid, 8);
1424 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GID], NULL, &gid, 8);
1425 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_LINKS], NULL,
1427 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GEN], NULL, &gen, 8);
1428 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MODE], NULL,
1430 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_PARENT],
1432 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_SIZE], NULL,
1434 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_ATIME], NULL,
1436 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MTIME], NULL,
1438 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CRTIME], NULL,
1440 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CTIME], NULL,
1442 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_FLAGS], NULL,
1445 if (sa_bulk_lookup(hdl, bulk, idx)) {
1446 (void) sa_handle_destroy(hdl);
1450 error = zfs_obj_to_path(os, object, path, sizeof (path));
1452 (void) snprintf(path, sizeof (path), "\?\?\?<object#%llu>",
1453 (u_longlong_t)object);
1455 if (dump_opt['d'] < 3) {
1456 (void) printf("\t%s\n", path);
1457 (void) sa_handle_destroy(hdl);
1461 z_crtime = (time_t)crtm[0];
1462 z_atime = (time_t)acctm[0];
1463 z_mtime = (time_t)modtm[0];
1464 z_ctime = (time_t)chgtm[0];
1466 (void) printf("\tpath %s\n", path);
1467 dump_uidgid(os, uid, gid);
1468 (void) printf("\tatime %s", ctime(&z_atime));
1469 (void) printf("\tmtime %s", ctime(&z_mtime));
1470 (void) printf("\tctime %s", ctime(&z_ctime));
1471 (void) printf("\tcrtime %s", ctime(&z_crtime));
1472 (void) printf("\tgen %llu\n", (u_longlong_t)gen);
1473 (void) printf("\tmode %llo\n", (u_longlong_t)mode);
1474 (void) printf("\tsize %llu\n", (u_longlong_t)fsize);
1475 (void) printf("\tparent %llu\n", (u_longlong_t)parent);
1476 (void) printf("\tlinks %llu\n", (u_longlong_t)links);
1477 (void) printf("\tpflags %llx\n", (u_longlong_t)pflags);
1478 if (sa_lookup(hdl, sa_attr_table[ZPL_XATTR], &xattr,
1479 sizeof (uint64_t)) == 0)
1480 (void) printf("\txattr %llu\n", (u_longlong_t)xattr);
1481 if (sa_lookup(hdl, sa_attr_table[ZPL_RDEV], &rdev,
1482 sizeof (uint64_t)) == 0)
1483 (void) printf("\trdev 0x%016llx\n", (u_longlong_t)rdev);
1484 sa_handle_destroy(hdl);
1489 dump_acl(objset_t *os, uint64_t object, void *data, size_t size)
1495 dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size)
1499 static object_viewer_t *object_viewer[DMU_OT_NUMTYPES + 1] = {
1500 dump_none, /* unallocated */
1501 dump_zap, /* object directory */
1502 dump_uint64, /* object array */
1503 dump_none, /* packed nvlist */
1504 dump_packed_nvlist, /* packed nvlist size */
1505 dump_none, /* bplist */
1506 dump_none, /* bplist header */
1507 dump_none, /* SPA space map header */
1508 dump_none, /* SPA space map */
1509 dump_none, /* ZIL intent log */
1510 dump_dnode, /* DMU dnode */
1511 dump_dmu_objset, /* DMU objset */
1512 dump_dsl_dir, /* DSL directory */
1513 dump_zap, /* DSL directory child map */
1514 dump_zap, /* DSL dataset snap map */
1515 dump_zap, /* DSL props */
1516 dump_dsl_dataset, /* DSL dataset */
1517 dump_znode, /* ZFS znode */
1518 dump_acl, /* ZFS V0 ACL */
1519 dump_uint8, /* ZFS plain file */
1520 dump_zpldir, /* ZFS directory */
1521 dump_zap, /* ZFS master node */
1522 dump_zap, /* ZFS delete queue */
1523 dump_uint8, /* zvol object */
1524 dump_zap, /* zvol prop */
1525 dump_uint8, /* other uint8[] */
1526 dump_uint64, /* other uint64[] */
1527 dump_zap, /* other ZAP */
1528 dump_zap, /* persistent error log */
1529 dump_uint8, /* SPA history */
1530 dump_history_offsets, /* SPA history offsets */
1531 dump_zap, /* Pool properties */
1532 dump_zap, /* DSL permissions */
1533 dump_acl, /* ZFS ACL */
1534 dump_uint8, /* ZFS SYSACL */
1535 dump_none, /* FUID nvlist */
1536 dump_packed_nvlist, /* FUID nvlist size */
1537 dump_zap, /* DSL dataset next clones */
1538 dump_zap, /* DSL scrub queue */
1539 dump_zap, /* ZFS user/group used */
1540 dump_zap, /* ZFS user/group quota */
1541 dump_zap, /* snapshot refcount tags */
1542 dump_ddt_zap, /* DDT ZAP object */
1543 dump_zap, /* DDT statistics */
1544 dump_znode, /* SA object */
1545 dump_zap, /* SA Master Node */
1546 dump_sa_attrs, /* SA attribute registration */
1547 dump_sa_layouts, /* SA attribute layouts */
1548 dump_zap, /* DSL scrub translations */
1549 dump_none, /* fake dedup BP */
1550 dump_zap, /* deadlist */
1551 dump_none, /* deadlist hdr */
1552 dump_zap, /* dsl clones */
1553 dump_none, /* bpobj subobjs */
1554 dump_unknown, /* Unknown type, must be last */
1558 dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header)
1560 dmu_buf_t *db = NULL;
1561 dmu_object_info_t doi;
1565 char iblk[32], dblk[32], lsize[32], asize[32], fill[32];
1566 char bonus_size[32];
1570 if (*print_header) {
1571 (void) printf("\n%10s %3s %5s %5s %5s %5s %6s %s\n",
1572 "Object", "lvl", "iblk", "dblk", "dsize", "lsize",
1578 dn = DMU_META_DNODE(os);
1580 error = dmu_bonus_hold(os, object, FTAG, &db);
1582 fatal("dmu_bonus_hold(%llu) failed, errno %u",
1584 bonus = db->db_data;
1585 bsize = db->db_size;
1586 dn = DB_DNODE((dmu_buf_impl_t *)db);
1588 dmu_object_info_from_dnode(dn, &doi);
1590 zdb_nicenum(doi.doi_metadata_block_size, iblk);
1591 zdb_nicenum(doi.doi_data_block_size, dblk);
1592 zdb_nicenum(doi.doi_max_offset, lsize);
1593 zdb_nicenum(doi.doi_physical_blocks_512 << 9, asize);
1594 zdb_nicenum(doi.doi_bonus_size, bonus_size);
1595 (void) sprintf(fill, "%6.2f", 100.0 * doi.doi_fill_count *
1596 doi.doi_data_block_size / (object == 0 ? DNODES_PER_BLOCK : 1) /
1597 doi.doi_max_offset);
1601 if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) {
1602 (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)",
1603 ZDB_CHECKSUM_NAME(doi.doi_checksum));
1606 if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) {
1607 (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)",
1608 ZDB_COMPRESS_NAME(doi.doi_compress));
1611 (void) printf("%10lld %3u %5s %5s %5s %5s %6s %s%s\n",
1612 (u_longlong_t)object, doi.doi_indirection, iblk, dblk,
1613 asize, lsize, fill, ZDB_OT_NAME(doi.doi_type), aux);
1615 if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) {
1616 (void) printf("%10s %3s %5s %5s %5s %5s %6s %s\n",
1617 "", "", "", "", "", bonus_size, "bonus",
1618 ZDB_OT_NAME(doi.doi_bonus_type));
1621 if (verbosity >= 4) {
1622 (void) printf("\tdnode flags: %s%s%s\n",
1623 (dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ?
1625 (dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ?
1626 "USERUSED_ACCOUNTED " : "",
1627 (dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR) ?
1628 "SPILL_BLKPTR" : "");
1629 (void) printf("\tdnode maxblkid: %llu\n",
1630 (longlong_t)dn->dn_phys->dn_maxblkid);
1632 object_viewer[ZDB_OT_TYPE(doi.doi_bonus_type)](os, object,
1634 object_viewer[ZDB_OT_TYPE(doi.doi_type)](os, object, NULL, 0);
1641 if (verbosity >= 5) {
1643 * Report the list of segments that comprise the object.
1647 uint64_t blkfill = 1;
1650 if (dn->dn_type == DMU_OT_DNODE) {
1652 blkfill = DNODES_PER_BLOCK;
1657 error = dnode_next_offset(dn,
1658 0, &start, minlvl, blkfill, 0);
1662 error = dnode_next_offset(dn,
1663 DNODE_FIND_HOLE, &end, minlvl, blkfill, 0);
1664 zdb_nicenum(end - start, segsize);
1665 (void) printf("\t\tsegment [%016llx, %016llx)"
1666 " size %5s\n", (u_longlong_t)start,
1667 (u_longlong_t)end, segsize);
1675 dmu_buf_rele(db, FTAG);
1678 static char *objset_types[DMU_OST_NUMTYPES] = {
1679 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" };
1682 dump_dir(objset_t *os)
1684 dmu_objset_stats_t dds;
1685 uint64_t object, object_count;
1686 uint64_t refdbytes, usedobjs, scratch;
1688 char blkbuf[BP_SPRINTF_LEN + 20];
1689 char osname[MAXNAMELEN];
1690 char *type = "UNKNOWN";
1691 int verbosity = dump_opt['d'];
1692 int print_header = 1;
1695 dsl_pool_config_enter(dmu_objset_pool(os), FTAG);
1696 dmu_objset_fast_stat(os, &dds);
1697 dsl_pool_config_exit(dmu_objset_pool(os), FTAG);
1699 if (dds.dds_type < DMU_OST_NUMTYPES)
1700 type = objset_types[dds.dds_type];
1702 if (dds.dds_type == DMU_OST_META) {
1703 dds.dds_creation_txg = TXG_INITIAL;
1704 usedobjs = os->os_rootbp->blk_fill;
1705 refdbytes = os->os_spa->spa_dsl_pool->
1706 dp_mos_dir->dd_phys->dd_used_bytes;
1708 dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch);
1711 ASSERT3U(usedobjs, ==, os->os_rootbp->blk_fill);
1713 zdb_nicenum(refdbytes, numbuf);
1715 if (verbosity >= 4) {
1716 (void) sprintf(blkbuf, ", rootbp ");
1717 (void) sprintf_blkptr(blkbuf + strlen(blkbuf), os->os_rootbp);
1722 dmu_objset_name(os, osname);
1724 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, "
1725 "%s, %llu objects%s\n",
1726 osname, type, (u_longlong_t)dmu_objset_id(os),
1727 (u_longlong_t)dds.dds_creation_txg,
1728 numbuf, (u_longlong_t)usedobjs, blkbuf);
1730 if (zopt_objects != 0) {
1731 for (i = 0; i < zopt_objects; i++)
1732 dump_object(os, zopt_object[i], verbosity,
1734 (void) printf("\n");
1738 if (dump_opt['i'] != 0 || verbosity >= 2)
1739 dump_intent_log(dmu_objset_zil(os));
1741 if (dmu_objset_ds(os) != NULL)
1742 dump_deadlist(&dmu_objset_ds(os)->ds_deadlist);
1747 if (os->os_rootbp->blk_birth == 0)
1750 dump_object(os, 0, verbosity, &print_header);
1752 if (DMU_USERUSED_DNODE(os) != NULL &&
1753 DMU_USERUSED_DNODE(os)->dn_type != 0) {
1754 dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header);
1755 dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header);
1759 while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) {
1760 dump_object(os, object, verbosity, &print_header);
1764 ASSERT3U(object_count, ==, usedobjs);
1766 (void) printf("\n");
1768 if (error != ESRCH) {
1769 (void) fprintf(stderr, "dmu_object_next() = %d\n", error);
1775 dump_uberblock(uberblock_t *ub, const char *header, const char *footer)
1777 time_t timestamp = ub->ub_timestamp;
1779 (void) printf(header ? header : "");
1780 (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic);
1781 (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version);
1782 (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg);
1783 (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum);
1784 (void) printf("\ttimestamp = %llu UTC = %s",
1785 (u_longlong_t)ub->ub_timestamp, asctime(localtime(×tamp)));
1786 if (dump_opt['u'] >= 3) {
1787 char blkbuf[BP_SPRINTF_LEN];
1788 sprintf_blkptr(blkbuf, &ub->ub_rootbp);
1789 (void) printf("\trootbp = %s\n", blkbuf);
1791 (void) printf(footer ? footer : "");
1795 dump_config(spa_t *spa)
1802 error = dmu_bonus_hold(spa->spa_meta_objset,
1803 spa->spa_config_object, FTAG, &db);
1806 nvsize = *(uint64_t *)db->db_data;
1807 dmu_buf_rele(db, FTAG);
1809 (void) printf("\nMOS Configuration:\n");
1810 dump_packed_nvlist(spa->spa_meta_objset,
1811 spa->spa_config_object, (void *)&nvsize, 1);
1813 (void) fprintf(stderr, "dmu_bonus_hold(%llu) failed, errno %d",
1814 (u_longlong_t)spa->spa_config_object, error);
1819 dump_cachefile(const char *cachefile)
1822 struct stat64 statbuf;
1826 if ((fd = open64(cachefile, O_RDONLY)) < 0) {
1827 (void) printf("cannot open '%s': %s\n", cachefile,
1832 if (fstat64(fd, &statbuf) != 0) {
1833 (void) printf("failed to stat '%s': %s\n", cachefile,
1838 if ((buf = malloc(statbuf.st_size)) == NULL) {
1839 (void) fprintf(stderr, "failed to allocate %llu bytes\n",
1840 (u_longlong_t)statbuf.st_size);
1844 if (read(fd, buf, statbuf.st_size) != statbuf.st_size) {
1845 (void) fprintf(stderr, "failed to read %llu bytes\n",
1846 (u_longlong_t)statbuf.st_size);
1852 if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) {
1853 (void) fprintf(stderr, "failed to unpack nvlist\n");
1859 dump_nvlist(config, 0);
1861 nvlist_free(config);
1864 #define ZDB_MAX_UB_HEADER_SIZE 32
1867 dump_label_uberblocks(vdev_label_t *lbl, uint64_t ashift)
1871 char header[ZDB_MAX_UB_HEADER_SIZE];
1873 vd.vdev_ashift = ashift;
1874 vdp->vdev_top = vdp;
1876 for (int i = 0; i < VDEV_UBERBLOCK_COUNT(vdp); i++) {
1877 uint64_t uoff = VDEV_UBERBLOCK_OFFSET(vdp, i);
1878 uberblock_t *ub = (void *)((char *)lbl + uoff);
1880 if (uberblock_verify(ub))
1882 (void) snprintf(header, ZDB_MAX_UB_HEADER_SIZE,
1883 "Uberblock[%d]\n", i);
1884 dump_uberblock(ub, header, "");
1889 dump_label(const char *dev)
1893 char *path, *buf = label.vl_vdev_phys.vp_nvlist;
1894 size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist);
1895 struct stat64 statbuf;
1896 uint64_t psize, ashift;
1897 int len = strlen(dev) + 1;
1899 if (strncmp(dev, "/dev/dsk/", 9) == 0) {
1902 (void) snprintf(path, len, "%s%s", "/dev/rdsk/", dev + 9);
1907 if ((fd = open64(path, O_RDONLY)) < 0) {
1908 (void) printf("cannot open '%s': %s\n", path, strerror(errno));
1913 if (fstat64(fd, &statbuf) != 0) {
1914 (void) printf("failed to stat '%s': %s\n", path,
1921 if (S_ISBLK(statbuf.st_mode)) {
1922 (void) printf("cannot use '%s': character device required\n",
1929 psize = statbuf.st_size;
1930 psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t));
1932 for (int l = 0; l < VDEV_LABELS; l++) {
1933 nvlist_t *config = NULL;
1935 (void) printf("--------------------------------------------\n");
1936 (void) printf("LABEL %d\n", l);
1937 (void) printf("--------------------------------------------\n");
1939 if (pread64(fd, &label, sizeof (label),
1940 vdev_label_offset(psize, l, 0)) != sizeof (label)) {
1941 (void) printf("failed to read label %d\n", l);
1945 if (nvlist_unpack(buf, buflen, &config, 0) != 0) {
1946 (void) printf("failed to unpack label %d\n", l);
1947 ashift = SPA_MINBLOCKSHIFT;
1949 nvlist_t *vdev_tree = NULL;
1951 dump_nvlist(config, 4);
1952 if ((nvlist_lookup_nvlist(config,
1953 ZPOOL_CONFIG_VDEV_TREE, &vdev_tree) != 0) ||
1954 (nvlist_lookup_uint64(vdev_tree,
1955 ZPOOL_CONFIG_ASHIFT, &ashift) != 0))
1956 ashift = SPA_MINBLOCKSHIFT;
1957 nvlist_free(config);
1960 dump_label_uberblocks(&label, ashift);
1969 dump_one_dir(const char *dsname, void *arg)
1974 error = dmu_objset_own(dsname, DMU_OST_ANY, B_TRUE, FTAG, &os);
1976 (void) printf("Could not open %s, error %d\n", dsname, error);
1980 dmu_objset_disown(os, FTAG);
1981 fuid_table_destroy();
1982 sa_loaded = B_FALSE;
1989 typedef struct zdb_blkstats {
1997 * Extended object types to report deferred frees and dedup auto-ditto blocks.
1999 #define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0)
2000 #define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1)
2001 #define ZDB_OT_OTHER (DMU_OT_NUMTYPES + 2)
2002 #define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 3)
2004 static char *zdb_ot_extname[] = {
2011 #define ZB_TOTAL DN_MAX_LEVELS
2013 typedef struct zdb_cb {
2014 zdb_blkstats_t zcb_type[ZB_TOTAL + 1][ZDB_OT_TOTAL + 1];
2015 uint64_t zcb_dedup_asize;
2016 uint64_t zcb_dedup_blocks;
2017 uint64_t zcb_errors[256];
2024 zdb_count_block(zdb_cb_t *zcb, zilog_t *zilog, const blkptr_t *bp,
2025 dmu_object_type_t type)
2027 uint64_t refcnt = 0;
2029 ASSERT(type < ZDB_OT_TOTAL);
2031 if (zilog && zil_bp_tree_add(zilog, bp) != 0)
2034 for (int i = 0; i < 4; i++) {
2035 int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL;
2036 int t = (i & 1) ? type : ZDB_OT_TOTAL;
2037 zdb_blkstats_t *zb = &zcb->zcb_type[l][t];
2039 zb->zb_asize += BP_GET_ASIZE(bp);
2040 zb->zb_lsize += BP_GET_LSIZE(bp);
2041 zb->zb_psize += BP_GET_PSIZE(bp);
2048 if (BP_GET_DEDUP(bp)) {
2052 ddt = ddt_select(zcb->zcb_spa, bp);
2054 dde = ddt_lookup(ddt, bp, B_FALSE);
2059 ddt_phys_t *ddp = ddt_phys_select(dde, bp);
2060 ddt_phys_decref(ddp);
2061 refcnt = ddp->ddp_refcnt;
2062 if (ddt_phys_total_refcnt(dde) == 0)
2063 ddt_remove(ddt, dde);
2068 VERIFY3U(zio_wait(zio_claim(NULL, zcb->zcb_spa,
2069 refcnt ? 0 : spa_first_txg(zcb->zcb_spa),
2070 bp, NULL, NULL, ZIO_FLAG_CANFAIL)), ==, 0);
2074 zdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
2075 const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
2077 zdb_cb_t *zcb = arg;
2078 char blkbuf[BP_SPRINTF_LEN];
2079 dmu_object_type_t type;
2080 boolean_t is_metadata;
2085 type = BP_GET_TYPE(bp);
2087 zdb_count_block(zcb, zilog, bp,
2088 (type & DMU_OT_NEWTYPE) ? ZDB_OT_OTHER : type);
2090 is_metadata = (BP_GET_LEVEL(bp) != 0 || DMU_OT_IS_METADATA(type));
2092 if (dump_opt['c'] > 1 || (dump_opt['c'] && is_metadata)) {
2094 size_t size = BP_GET_PSIZE(bp);
2095 void *data = malloc(size);
2096 int flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB | ZIO_FLAG_RAW;
2098 /* If it's an intent log block, failure is expected. */
2099 if (zb->zb_level == ZB_ZIL_LEVEL)
2100 flags |= ZIO_FLAG_SPECULATIVE;
2102 ioerr = zio_wait(zio_read(NULL, spa, bp, data, size,
2103 NULL, NULL, ZIO_PRIORITY_ASYNC_READ, flags, zb));
2106 if (ioerr && !(flags & ZIO_FLAG_SPECULATIVE)) {
2107 zcb->zcb_haderrors = 1;
2108 zcb->zcb_errors[ioerr]++;
2110 if (dump_opt['b'] >= 2)
2111 sprintf_blkptr(blkbuf, bp);
2115 (void) printf("zdb_blkptr_cb: "
2116 "Got error %d reading "
2117 "<%llu, %llu, %lld, %llx> %s -- skipping\n",
2119 (u_longlong_t)zb->zb_objset,
2120 (u_longlong_t)zb->zb_object,
2121 (u_longlong_t)zb->zb_level,
2122 (u_longlong_t)zb->zb_blkid,
2127 zcb->zcb_readfails = 0;
2129 if (dump_opt['b'] >= 4) {
2130 sprintf_blkptr(blkbuf, bp);
2131 (void) printf("objset %llu object %llu "
2132 "level %lld offset 0x%llx %s\n",
2133 (u_longlong_t)zb->zb_objset,
2134 (u_longlong_t)zb->zb_object,
2135 (longlong_t)zb->zb_level,
2136 (u_longlong_t)blkid2offset(dnp, bp, zb),
2144 zdb_leak(space_map_t *sm, uint64_t start, uint64_t size)
2146 vdev_t *vd = sm->sm_ppd;
2148 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n",
2149 (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size);
2154 zdb_space_map_load(space_map_t *sm)
2159 zdb_space_map_unload(space_map_t *sm)
2161 space_map_vacate(sm, zdb_leak, sm);
2166 zdb_space_map_claim(space_map_t *sm, uint64_t start, uint64_t size)
2170 static space_map_ops_t zdb_space_map_ops = {
2172 zdb_space_map_unload,
2174 zdb_space_map_claim,
2180 zdb_ddt_leak_init(spa_t *spa, zdb_cb_t *zcb)
2182 ddt_bookmark_t ddb = { 0 };
2186 while ((error = ddt_walk(spa, &ddb, &dde)) == 0) {
2188 ddt_phys_t *ddp = dde.dde_phys;
2190 if (ddb.ddb_class == DDT_CLASS_UNIQUE)
2193 ASSERT(ddt_phys_total_refcnt(&dde) > 1);
2195 for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
2196 if (ddp->ddp_phys_birth == 0)
2198 ddt_bp_create(ddb.ddb_checksum,
2199 &dde.dde_key, ddp, &blk);
2200 if (p == DDT_PHYS_DITTO) {
2201 zdb_count_block(zcb, NULL, &blk, ZDB_OT_DITTO);
2203 zcb->zcb_dedup_asize +=
2204 BP_GET_ASIZE(&blk) * (ddp->ddp_refcnt - 1);
2205 zcb->zcb_dedup_blocks++;
2208 if (!dump_opt['L']) {
2209 ddt_t *ddt = spa->spa_ddt[ddb.ddb_checksum];
2211 VERIFY(ddt_lookup(ddt, &blk, B_TRUE) != NULL);
2216 ASSERT(error == ENOENT);
2220 zdb_leak_init(spa_t *spa, zdb_cb_t *zcb)
2224 if (!dump_opt['L']) {
2225 vdev_t *rvd = spa->spa_root_vdev;
2226 for (int c = 0; c < rvd->vdev_children; c++) {
2227 vdev_t *vd = rvd->vdev_child[c];
2228 for (int m = 0; m < vd->vdev_ms_count; m++) {
2229 metaslab_t *msp = vd->vdev_ms[m];
2230 mutex_enter(&msp->ms_lock);
2231 space_map_unload(msp->ms_map);
2232 VERIFY(space_map_load(msp->ms_map,
2233 &zdb_space_map_ops, SM_ALLOC, &msp->ms_smo,
2234 spa->spa_meta_objset) == 0);
2235 msp->ms_map->sm_ppd = vd;
2236 mutex_exit(&msp->ms_lock);
2241 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
2243 zdb_ddt_leak_init(spa, zcb);
2245 spa_config_exit(spa, SCL_CONFIG, FTAG);
2249 zdb_leak_fini(spa_t *spa)
2251 if (!dump_opt['L']) {
2252 vdev_t *rvd = spa->spa_root_vdev;
2253 for (int c = 0; c < rvd->vdev_children; c++) {
2254 vdev_t *vd = rvd->vdev_child[c];
2255 for (int m = 0; m < vd->vdev_ms_count; m++) {
2256 metaslab_t *msp = vd->vdev_ms[m];
2257 mutex_enter(&msp->ms_lock);
2258 space_map_unload(msp->ms_map);
2259 mutex_exit(&msp->ms_lock);
2267 count_block_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
2269 zdb_cb_t *zcb = arg;
2271 if (dump_opt['b'] >= 4) {
2272 char blkbuf[BP_SPRINTF_LEN];
2273 sprintf_blkptr(blkbuf, bp);
2274 (void) printf("[%s] %s\n",
2275 "deferred free", blkbuf);
2277 zdb_count_block(zcb, NULL, bp, ZDB_OT_DEFERRED);
2282 dump_block_stats(spa_t *spa)
2284 zdb_cb_t zcb = { 0 };
2285 zdb_blkstats_t *zb, *tzb;
2286 uint64_t norm_alloc, norm_space, total_alloc, total_found;
2287 int flags = TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA | TRAVERSE_HARD;
2290 (void) printf("\nTraversing all blocks %s%s%s%s%s...\n",
2291 (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "",
2292 (dump_opt['c'] == 1) ? "metadata " : "",
2293 dump_opt['c'] ? "checksums " : "",
2294 (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "",
2295 !dump_opt['L'] ? "nothing leaked " : "");
2298 * Load all space maps as SM_ALLOC maps, then traverse the pool
2299 * claiming each block we discover. If the pool is perfectly
2300 * consistent, the space maps will be empty when we're done.
2301 * Anything left over is a leak; any block we can't claim (because
2302 * it's not part of any space map) is a double allocation,
2303 * reference to a freed block, or an unclaimed log block.
2305 zdb_leak_init(spa, &zcb);
2308 * If there's a deferred-free bplist, process that first.
2310 (void) bpobj_iterate_nofree(&spa->spa_deferred_bpobj,
2311 count_block_cb, &zcb, NULL);
2312 if (spa_version(spa) >= SPA_VERSION_DEADLISTS) {
2313 (void) bpobj_iterate_nofree(&spa->spa_dsl_pool->dp_free_bpobj,
2314 count_block_cb, &zcb, NULL);
2316 if (spa_feature_is_active(spa,
2317 &spa_feature_table[SPA_FEATURE_ASYNC_DESTROY])) {
2318 VERIFY3U(0, ==, bptree_iterate(spa->spa_meta_objset,
2319 spa->spa_dsl_pool->dp_bptree_obj, B_FALSE, count_block_cb,
2323 if (dump_opt['c'] > 1)
2324 flags |= TRAVERSE_PREFETCH_DATA;
2326 zcb.zcb_haderrors |= traverse_pool(spa, 0, flags, zdb_blkptr_cb, &zcb);
2328 if (zcb.zcb_haderrors) {
2329 (void) printf("\nError counts:\n\n");
2330 (void) printf("\t%5s %s\n", "errno", "count");
2331 for (int e = 0; e < 256; e++) {
2332 if (zcb.zcb_errors[e] != 0) {
2333 (void) printf("\t%5d %llu\n",
2334 e, (u_longlong_t)zcb.zcb_errors[e]);
2340 * Report any leaked segments.
2344 tzb = &zcb.zcb_type[ZB_TOTAL][ZDB_OT_TOTAL];
2346 norm_alloc = metaslab_class_get_alloc(spa_normal_class(spa));
2347 norm_space = metaslab_class_get_space(spa_normal_class(spa));
2349 total_alloc = norm_alloc + metaslab_class_get_alloc(spa_log_class(spa));
2350 total_found = tzb->zb_asize - zcb.zcb_dedup_asize;
2352 if (total_found == total_alloc) {
2354 (void) printf("\n\tNo leaks (block sum matches space"
2355 " maps exactly)\n");
2357 (void) printf("block traversal size %llu != alloc %llu "
2359 (u_longlong_t)total_found,
2360 (u_longlong_t)total_alloc,
2361 (dump_opt['L']) ? "unreachable" : "leaked",
2362 (longlong_t)(total_alloc - total_found));
2366 if (tzb->zb_count == 0)
2369 (void) printf("\n");
2370 (void) printf("\tbp count: %10llu\n",
2371 (u_longlong_t)tzb->zb_count);
2372 (void) printf("\tbp logical: %10llu avg: %6llu\n",
2373 (u_longlong_t)tzb->zb_lsize,
2374 (u_longlong_t)(tzb->zb_lsize / tzb->zb_count));
2375 (void) printf("\tbp physical: %10llu avg:"
2376 " %6llu compression: %6.2f\n",
2377 (u_longlong_t)tzb->zb_psize,
2378 (u_longlong_t)(tzb->zb_psize / tzb->zb_count),
2379 (double)tzb->zb_lsize / tzb->zb_psize);
2380 (void) printf("\tbp allocated: %10llu avg:"
2381 " %6llu compression: %6.2f\n",
2382 (u_longlong_t)tzb->zb_asize,
2383 (u_longlong_t)(tzb->zb_asize / tzb->zb_count),
2384 (double)tzb->zb_lsize / tzb->zb_asize);
2385 (void) printf("\tbp deduped: %10llu ref>1:"
2386 " %6llu deduplication: %6.2f\n",
2387 (u_longlong_t)zcb.zcb_dedup_asize,
2388 (u_longlong_t)zcb.zcb_dedup_blocks,
2389 (double)zcb.zcb_dedup_asize / tzb->zb_asize + 1.0);
2390 (void) printf("\tSPA allocated: %10llu used: %5.2f%%\n",
2391 (u_longlong_t)norm_alloc, 100.0 * norm_alloc / norm_space);
2393 if (dump_opt['b'] >= 2) {
2395 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE"
2396 "\t avg\t comp\t%%Total\tType\n");
2398 for (t = 0; t <= ZDB_OT_TOTAL; t++) {
2399 char csize[32], lsize[32], psize[32], asize[32];
2403 if (t < DMU_OT_NUMTYPES)
2404 typename = dmu_ot[t].ot_name;
2406 typename = zdb_ot_extname[t - DMU_OT_NUMTYPES];
2408 if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) {
2409 (void) printf("%6s\t%5s\t%5s\t%5s"
2410 "\t%5s\t%5s\t%6s\t%s\n",
2422 for (l = ZB_TOTAL - 1; l >= -1; l--) {
2423 level = (l == -1 ? ZB_TOTAL : l);
2424 zb = &zcb.zcb_type[level][t];
2426 if (zb->zb_asize == 0)
2429 if (dump_opt['b'] < 3 && level != ZB_TOTAL)
2432 if (level == 0 && zb->zb_asize ==
2433 zcb.zcb_type[ZB_TOTAL][t].zb_asize)
2436 zdb_nicenum(zb->zb_count, csize);
2437 zdb_nicenum(zb->zb_lsize, lsize);
2438 zdb_nicenum(zb->zb_psize, psize);
2439 zdb_nicenum(zb->zb_asize, asize);
2440 zdb_nicenum(zb->zb_asize / zb->zb_count, avg);
2442 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s"
2444 csize, lsize, psize, asize, avg,
2445 (double)zb->zb_lsize / zb->zb_psize,
2446 100.0 * zb->zb_asize / tzb->zb_asize);
2448 if (level == ZB_TOTAL)
2449 (void) printf("%s\n", typename);
2451 (void) printf(" L%d %s\n",
2457 (void) printf("\n");
2462 if (zcb.zcb_haderrors)
2468 typedef struct zdb_ddt_entry {
2470 uint64_t zdde_ref_blocks;
2471 uint64_t zdde_ref_lsize;
2472 uint64_t zdde_ref_psize;
2473 uint64_t zdde_ref_dsize;
2474 avl_node_t zdde_node;
2479 zdb_ddt_add_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
2480 const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
2482 avl_tree_t *t = arg;
2484 zdb_ddt_entry_t *zdde, zdde_search;
2489 if (dump_opt['S'] > 1 && zb->zb_level == ZB_ROOT_LEVEL) {
2490 (void) printf("traversing objset %llu, %llu objects, "
2491 "%lu blocks so far\n",
2492 (u_longlong_t)zb->zb_objset,
2493 (u_longlong_t)bp->blk_fill,
2497 if (BP_IS_HOLE(bp) || BP_GET_CHECKSUM(bp) == ZIO_CHECKSUM_OFF ||
2498 BP_GET_LEVEL(bp) > 0 || DMU_OT_IS_METADATA(BP_GET_TYPE(bp)))
2501 ddt_key_fill(&zdde_search.zdde_key, bp);
2503 zdde = avl_find(t, &zdde_search, &where);
2506 zdde = umem_zalloc(sizeof (*zdde), UMEM_NOFAIL);
2507 zdde->zdde_key = zdde_search.zdde_key;
2508 avl_insert(t, zdde, where);
2511 zdde->zdde_ref_blocks += 1;
2512 zdde->zdde_ref_lsize += BP_GET_LSIZE(bp);
2513 zdde->zdde_ref_psize += BP_GET_PSIZE(bp);
2514 zdde->zdde_ref_dsize += bp_get_dsize_sync(spa, bp);
2520 dump_simulated_ddt(spa_t *spa)
2523 void *cookie = NULL;
2524 zdb_ddt_entry_t *zdde;
2525 ddt_histogram_t ddh_total = { 0 };
2526 ddt_stat_t dds_total = { 0 };
2528 avl_create(&t, ddt_entry_compare,
2529 sizeof (zdb_ddt_entry_t), offsetof(zdb_ddt_entry_t, zdde_node));
2531 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
2533 (void) traverse_pool(spa, 0, TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA,
2534 zdb_ddt_add_cb, &t);
2536 spa_config_exit(spa, SCL_CONFIG, FTAG);
2538 while ((zdde = avl_destroy_nodes(&t, &cookie)) != NULL) {
2540 uint64_t refcnt = zdde->zdde_ref_blocks;
2541 ASSERT(refcnt != 0);
2543 dds.dds_blocks = zdde->zdde_ref_blocks / refcnt;
2544 dds.dds_lsize = zdde->zdde_ref_lsize / refcnt;
2545 dds.dds_psize = zdde->zdde_ref_psize / refcnt;
2546 dds.dds_dsize = zdde->zdde_ref_dsize / refcnt;
2548 dds.dds_ref_blocks = zdde->zdde_ref_blocks;
2549 dds.dds_ref_lsize = zdde->zdde_ref_lsize;
2550 dds.dds_ref_psize = zdde->zdde_ref_psize;
2551 dds.dds_ref_dsize = zdde->zdde_ref_dsize;
2553 ddt_stat_add(&ddh_total.ddh_stat[highbit(refcnt) - 1], &dds, 0);
2555 umem_free(zdde, sizeof (*zdde));
2560 ddt_histogram_stat(&dds_total, &ddh_total);
2562 (void) printf("Simulated DDT histogram:\n");
2564 zpool_dump_ddt(&dds_total, &ddh_total);
2566 dump_dedup_ratio(&dds_total);
2570 dump_zpool(spa_t *spa)
2572 dsl_pool_t *dp = spa_get_dsl(spa);
2575 if (dump_opt['S']) {
2576 dump_simulated_ddt(spa);
2580 if (!dump_opt['e'] && dump_opt['C'] > 1) {
2581 (void) printf("\nCached configuration:\n");
2582 dump_nvlist(spa->spa_config, 8);
2589 dump_uberblock(&spa->spa_uberblock, "\nUberblock:\n", "\n");
2594 if (dump_opt['d'] > 2 || dump_opt['m'])
2595 dump_metaslabs(spa);
2597 if (dump_opt['d'] || dump_opt['i']) {
2598 dump_dir(dp->dp_meta_objset);
2599 if (dump_opt['d'] >= 3) {
2600 dump_bpobj(&spa->spa_deferred_bpobj,
2601 "Deferred frees", 0);
2602 if (spa_version(spa) >= SPA_VERSION_DEADLISTS) {
2603 dump_bpobj(&spa->spa_dsl_pool->dp_free_bpobj,
2604 "Pool snapshot frees", 0);
2607 if (spa_feature_is_active(spa,
2608 &spa_feature_table[SPA_FEATURE_ASYNC_DESTROY])) {
2609 dump_bptree(spa->spa_meta_objset,
2610 spa->spa_dsl_pool->dp_bptree_obj,
2611 "Pool dataset frees");
2613 dump_dtl(spa->spa_root_vdev, 0);
2615 (void) dmu_objset_find(spa_name(spa), dump_one_dir,
2616 NULL, DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN);
2618 if (dump_opt['b'] || dump_opt['c'])
2619 rc = dump_block_stats(spa);
2622 show_pool_stats(spa);
2631 #define ZDB_FLAG_CHECKSUM 0x0001
2632 #define ZDB_FLAG_DECOMPRESS 0x0002
2633 #define ZDB_FLAG_BSWAP 0x0004
2634 #define ZDB_FLAG_GBH 0x0008
2635 #define ZDB_FLAG_INDIRECT 0x0010
2636 #define ZDB_FLAG_PHYS 0x0020
2637 #define ZDB_FLAG_RAW 0x0040
2638 #define ZDB_FLAG_PRINT_BLKPTR 0x0080
2643 zdb_print_blkptr(blkptr_t *bp, int flags)
2645 char blkbuf[BP_SPRINTF_LEN];
2647 if (flags & ZDB_FLAG_BSWAP)
2648 byteswap_uint64_array((void *)bp, sizeof (blkptr_t));
2650 sprintf_blkptr(blkbuf, bp);
2651 (void) printf("%s\n", blkbuf);
2655 zdb_dump_indirect(blkptr_t *bp, int nbps, int flags)
2659 for (i = 0; i < nbps; i++)
2660 zdb_print_blkptr(&bp[i], flags);
2664 zdb_dump_gbh(void *buf, int flags)
2666 zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags);
2670 zdb_dump_block_raw(void *buf, uint64_t size, int flags)
2672 if (flags & ZDB_FLAG_BSWAP)
2673 byteswap_uint64_array(buf, size);
2674 (void) write(1, buf, size);
2678 zdb_dump_block(char *label, void *buf, uint64_t size, int flags)
2680 uint64_t *d = (uint64_t *)buf;
2681 int nwords = size / sizeof (uint64_t);
2682 int do_bswap = !!(flags & ZDB_FLAG_BSWAP);
2688 hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8";
2690 hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f";
2692 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr);
2694 for (i = 0; i < nwords; i += 2) {
2695 (void) printf("%06llx: %016llx %016llx ",
2696 (u_longlong_t)(i * sizeof (uint64_t)),
2697 (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]),
2698 (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1]));
2701 for (j = 0; j < 2 * sizeof (uint64_t); j++)
2702 (void) printf("%c", isprint(c[j]) ? c[j] : '.');
2703 (void) printf("\n");
2708 * There are two acceptable formats:
2709 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a
2710 * child[.child]* - For example: 0.1.1
2712 * The second form can be used to specify arbitrary vdevs anywhere
2713 * in the heirarchy. For example, in a pool with a mirror of
2714 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 .
2717 zdb_vdev_lookup(vdev_t *vdev, char *path)
2725 /* First, assume the x.x.x.x format */
2726 i = (int)strtoul(path, &s, 10);
2727 if (s == path || (s && *s != '.' && *s != '\0'))
2729 if (i < 0 || i >= vdev->vdev_children)
2732 vdev = vdev->vdev_child[i];
2735 return (zdb_vdev_lookup(vdev, s+1));
2738 for (i = 0; i < vdev->vdev_children; i++) {
2739 vdev_t *vc = vdev->vdev_child[i];
2741 if (vc->vdev_path == NULL) {
2742 vc = zdb_vdev_lookup(vc, path);
2749 p = strrchr(vc->vdev_path, '/');
2750 p = p ? p + 1 : vc->vdev_path;
2751 q = &vc->vdev_path[strlen(vc->vdev_path) - 2];
2753 if (strcmp(vc->vdev_path, path) == 0)
2755 if (strcmp(p, path) == 0)
2757 if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0)
2765 * Read a block from a pool and print it out. The syntax of the
2766 * block descriptor is:
2768 * pool:vdev_specifier:offset:size[:flags]
2770 * pool - The name of the pool you wish to read from
2771 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup)
2772 * offset - offset, in hex, in bytes
2773 * size - Amount of data to read, in hex, in bytes
2774 * flags - A string of characters specifying options
2775 * b: Decode a blkptr at given offset within block
2776 * *c: Calculate and display checksums
2777 * d: Decompress data before dumping
2778 * e: Byteswap data before dumping
2779 * g: Display data as a gang block header
2780 * i: Display as an indirect block
2781 * p: Do I/O to physical offset
2782 * r: Dump raw data to stdout
2784 * * = not yet implemented
2787 zdb_read_block(char *thing, spa_t *spa)
2789 blkptr_t blk, *bp = &blk;
2790 dva_t *dva = bp->blk_dva;
2792 uint64_t offset = 0, size = 0, psize = 0, lsize = 0, blkptr_offset = 0;
2795 void *pbuf, *lbuf, *buf;
2796 char *s, *p, *dup, *vdev, *flagstr;
2799 dup = strdup(thing);
2800 s = strtok(dup, ":");
2802 s = strtok(NULL, ":");
2803 offset = strtoull(s ? s : "", NULL, 16);
2804 s = strtok(NULL, ":");
2805 size = strtoull(s ? s : "", NULL, 16);
2806 s = strtok(NULL, ":");
2807 flagstr = s ? s : "";
2811 s = "size must not be zero";
2812 if (!IS_P2ALIGNED(size, DEV_BSIZE))
2813 s = "size must be a multiple of sector size";
2814 if (!IS_P2ALIGNED(offset, DEV_BSIZE))
2815 s = "offset must be a multiple of sector size";
2817 (void) printf("Invalid block specifier: %s - %s\n", thing, s);
2822 for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) {
2823 for (i = 0; flagstr[i]; i++) {
2824 int bit = flagbits[(uchar_t)flagstr[i]];
2827 (void) printf("***Invalid flag: %c\n",
2833 /* If it's not something with an argument, keep going */
2834 if ((bit & (ZDB_FLAG_CHECKSUM |
2835 ZDB_FLAG_PRINT_BLKPTR)) == 0)
2838 p = &flagstr[i + 1];
2839 if (bit == ZDB_FLAG_PRINT_BLKPTR)
2840 blkptr_offset = strtoull(p, &p, 16);
2841 if (*p != ':' && *p != '\0') {
2842 (void) printf("***Invalid flag arg: '%s'\n", s);
2849 vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev);
2851 (void) printf("***Invalid vdev: %s\n", vdev);
2856 (void) fprintf(stderr, "Found vdev: %s\n",
2859 (void) fprintf(stderr, "Found vdev type: %s\n",
2860 vd->vdev_ops->vdev_op_type);
2866 pbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2867 lbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2871 DVA_SET_VDEV(&dva[0], vd->vdev_id);
2872 DVA_SET_OFFSET(&dva[0], offset);
2873 DVA_SET_GANG(&dva[0], !!(flags & ZDB_FLAG_GBH));
2874 DVA_SET_ASIZE(&dva[0], vdev_psize_to_asize(vd, psize));
2876 BP_SET_BIRTH(bp, TXG_INITIAL, TXG_INITIAL);
2878 BP_SET_LSIZE(bp, lsize);
2879 BP_SET_PSIZE(bp, psize);
2880 BP_SET_COMPRESS(bp, ZIO_COMPRESS_OFF);
2881 BP_SET_CHECKSUM(bp, ZIO_CHECKSUM_OFF);
2882 BP_SET_TYPE(bp, DMU_OT_NONE);
2883 BP_SET_LEVEL(bp, 0);
2884 BP_SET_DEDUP(bp, 0);
2885 BP_SET_BYTEORDER(bp, ZFS_HOST_BYTEORDER);
2887 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER);
2888 zio = zio_root(spa, NULL, NULL, 0);
2890 if (vd == vd->vdev_top) {
2892 * Treat this as a normal block read.
2894 zio_nowait(zio_read(zio, spa, bp, pbuf, psize, NULL, NULL,
2895 ZIO_PRIORITY_SYNC_READ,
2896 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL));
2899 * Treat this as a vdev child I/O.
2901 zio_nowait(zio_vdev_child_io(zio, bp, vd, offset, pbuf, psize,
2902 ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ,
2903 ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE |
2904 ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY |
2905 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL, NULL));
2908 error = zio_wait(zio);
2909 spa_config_exit(spa, SCL_STATE, FTAG);
2912 (void) printf("Read of %s failed, error: %d\n", thing, error);
2916 if (flags & ZDB_FLAG_DECOMPRESS) {
2918 * We don't know how the data was compressed, so just try
2919 * every decompress function at every inflated blocksize.
2921 enum zio_compress c;
2922 void *pbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2923 void *lbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2925 bcopy(pbuf, pbuf2, psize);
2927 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf + psize,
2928 SPA_MAXBLOCKSIZE - psize) == 0);
2930 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf2 + psize,
2931 SPA_MAXBLOCKSIZE - psize) == 0);
2933 for (lsize = SPA_MAXBLOCKSIZE; lsize > psize;
2934 lsize -= SPA_MINBLOCKSIZE) {
2935 for (c = 0; c < ZIO_COMPRESS_FUNCTIONS; c++) {
2936 if (zio_decompress_data(c, pbuf, lbuf,
2937 psize, lsize) == 0 &&
2938 zio_decompress_data(c, pbuf2, lbuf2,
2939 psize, lsize) == 0 &&
2940 bcmp(lbuf, lbuf2, lsize) == 0)
2943 if (c != ZIO_COMPRESS_FUNCTIONS)
2945 lsize -= SPA_MINBLOCKSIZE;
2948 umem_free(pbuf2, SPA_MAXBLOCKSIZE);
2949 umem_free(lbuf2, SPA_MAXBLOCKSIZE);
2951 if (lsize <= psize) {
2952 (void) printf("Decompress of %s failed\n", thing);
2962 if (flags & ZDB_FLAG_PRINT_BLKPTR)
2963 zdb_print_blkptr((blkptr_t *)(void *)
2964 ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags);
2965 else if (flags & ZDB_FLAG_RAW)
2966 zdb_dump_block_raw(buf, size, flags);
2967 else if (flags & ZDB_FLAG_INDIRECT)
2968 zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t),
2970 else if (flags & ZDB_FLAG_GBH)
2971 zdb_dump_gbh(buf, flags);
2973 zdb_dump_block(thing, buf, size, flags);
2976 umem_free(pbuf, SPA_MAXBLOCKSIZE);
2977 umem_free(lbuf, SPA_MAXBLOCKSIZE);
2982 pool_match(nvlist_t *cfg, char *tgt)
2984 uint64_t v, guid = strtoull(tgt, NULL, 0);
2988 if (nvlist_lookup_uint64(cfg, ZPOOL_CONFIG_POOL_GUID, &v) == 0)
2991 if (nvlist_lookup_string(cfg, ZPOOL_CONFIG_POOL_NAME, &s) == 0)
2992 return (strcmp(s, tgt) == 0);
2998 find_zpool(char **target, nvlist_t **configp, int dirc, char **dirv)
3001 nvlist_t *match = NULL;
3006 importargs_t args = { 0 };
3010 args.can_be_active = B_TRUE;
3012 if ((sepp = strpbrk(*target, "/@")) != NULL) {
3017 pools = zpool_search_import(g_zfs, &args);
3019 if (pools != NULL) {
3020 nvpair_t *elem = NULL;
3021 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) {
3022 verify(nvpair_value_nvlist(elem, configp) == 0);
3023 if (pool_match(*configp, *target)) {
3025 if (match != NULL) {
3026 /* print previously found config */
3028 (void) printf("%s\n", name);
3029 dump_nvlist(match, 8);
3032 (void) printf("%s\n",
3034 dump_nvlist(*configp, 8);
3037 name = nvpair_name(elem);
3043 (void) fatal("\tMatched %d pools - use pool GUID "
3044 "instead of pool name or \n"
3045 "\tpool name part of a dataset name to select pool", count);
3050 * If pool GUID was specified for pool id, replace it with pool name
3052 if (name && (strstr(*target, name) != *target)) {
3053 int sz = 1 + strlen(name) + ((sepp) ? strlen(sepp) : 0);
3055 *target = umem_alloc(sz, UMEM_NOFAIL);
3056 (void) snprintf(*target, sz, "%s%s", name, sepp ? sepp : "");
3059 *configp = name ? match : NULL;
3065 main(int argc, char **argv)
3068 struct rlimit rl = { 1024, 1024 };
3070 objset_t *os = NULL;
3074 char **searchdirs = NULL;
3077 nvlist_t *policy = NULL;
3078 uint64_t max_txg = UINT64_MAX;
3079 int rewind = ZPOOL_NEVER_REWIND;
3081 (void) setrlimit(RLIMIT_NOFILE, &rl);
3082 (void) enable_extended_FILE_stdio(-1, -1);
3084 dprintf_setup(&argc, argv);
3086 while ((c = getopt(argc, argv, "bcdhilmsuCDRSAFLXevp:t:U:P")) != -1) {
3116 if (searchdirs == NULL) {
3117 searchdirs = umem_alloc(sizeof (char *),
3120 char **tmp = umem_alloc((nsearch + 1) *
3121 sizeof (char *), UMEM_NOFAIL);
3122 bcopy(searchdirs, tmp, nsearch *
3124 umem_free(searchdirs,
3125 nsearch * sizeof (char *));
3128 searchdirs[nsearch++] = optarg;
3131 max_txg = strtoull(optarg, NULL, 0);
3132 if (max_txg < TXG_INITIAL) {
3133 (void) fprintf(stderr, "incorrect txg "
3134 "specified: %s\n", optarg);
3139 spa_config_path = optarg;
3147 if (!dump_opt['e'] && searchdirs != NULL) {
3148 (void) fprintf(stderr, "-p option requires use of -e\n");
3153 g_zfs = libzfs_init();
3154 ASSERT(g_zfs != NULL);
3157 verbose = MAX(verbose, 1);
3159 for (c = 0; c < 256; c++) {
3160 if (dump_all && !strchr("elAFLRSXP", c))
3163 dump_opt[c] += verbose;
3166 aok = (dump_opt['A'] == 1) || (dump_opt['A'] > 2);
3167 zfs_recover = (dump_opt['A'] > 1);
3172 if (argc < 2 && dump_opt['R'])
3175 if (!dump_opt['e'] && dump_opt['C']) {
3176 dump_cachefile(spa_config_path);
3182 if (dump_opt['l']) {
3183 dump_label(argv[0]);
3187 if (dump_opt['X'] || dump_opt['F'])
3188 rewind = ZPOOL_DO_REWIND |
3189 (dump_opt['X'] ? ZPOOL_EXTREME_REWIND : 0);
3191 if (nvlist_alloc(&policy, NV_UNIQUE_NAME_TYPE, 0) != 0 ||
3192 nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, max_txg) != 0 ||
3193 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind) != 0)
3194 fatal("internal error: %s", strerror(ENOMEM));
3199 if (dump_opt['e']) {
3200 nvlist_t *cfg = NULL;
3201 char *name = find_zpool(&target, &cfg, nsearch, searchdirs);
3205 if (dump_opt['C'] > 1) {
3206 (void) printf("\nConfiguration for import:\n");
3207 dump_nvlist(cfg, 8);
3209 if (nvlist_add_nvlist(cfg,
3210 ZPOOL_REWIND_POLICY, policy) != 0) {
3211 fatal("can't open '%s': %s",
3212 target, strerror(ENOMEM));
3214 if ((error = spa_import(name, cfg, NULL,
3215 ZFS_IMPORT_MISSING_LOG)) != 0) {
3216 error = spa_import(name, cfg, NULL,
3217 ZFS_IMPORT_VERBATIM);
3223 if (strpbrk(target, "/@") == NULL || dump_opt['R']) {
3224 error = spa_open_rewind(target, &spa, FTAG, policy,
3228 * If we're missing the log device then
3229 * try opening the pool after clearing the
3232 mutex_enter(&spa_namespace_lock);
3233 if ((spa = spa_lookup(target)) != NULL &&
3234 spa->spa_log_state == SPA_LOG_MISSING) {
3235 spa->spa_log_state = SPA_LOG_CLEAR;
3238 mutex_exit(&spa_namespace_lock);
3241 error = spa_open_rewind(target, &spa,
3242 FTAG, policy, NULL);
3246 error = dmu_objset_own(target, DMU_OST_ANY,
3250 nvlist_free(policy);
3253 fatal("can't open '%s': %s", target, strerror(error));
3257 if (!dump_opt['R']) {
3259 zopt_objects = argc;
3260 zopt_object = calloc(zopt_objects, sizeof (uint64_t));
3261 for (i = 0; i < zopt_objects; i++) {
3263 zopt_object[i] = strtoull(argv[i], NULL, 0);
3264 if (zopt_object[i] == 0 && errno != 0)
3265 fatal("bad number %s: %s",
3266 argv[i], strerror(errno));
3271 } else if (zopt_objects > 0 && !dump_opt['m']) {
3272 dump_dir(spa->spa_meta_objset);
3277 flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR;
3278 flagbits['c'] = ZDB_FLAG_CHECKSUM;
3279 flagbits['d'] = ZDB_FLAG_DECOMPRESS;
3280 flagbits['e'] = ZDB_FLAG_BSWAP;
3281 flagbits['g'] = ZDB_FLAG_GBH;
3282 flagbits['i'] = ZDB_FLAG_INDIRECT;
3283 flagbits['p'] = ZDB_FLAG_PHYS;
3284 flagbits['r'] = ZDB_FLAG_RAW;
3286 for (i = 0; i < argc; i++)
3287 zdb_read_block(argv[i], spa);
3290 (os != NULL) ? dmu_objset_disown(os, FTAG) : spa_close(spa, FTAG);
3292 fuid_table_destroy();
3293 sa_loaded = B_FALSE;