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)
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, (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);
321 (void) printf("\t\tBlocks with n*5 entries:\n");
322 dump_histogram(zs.zs_blocks_with_n5_entries, ZAP_HISTOGRAM_SIZE);
324 (void) printf("\t\tBlocks n/10 full:\n");
325 dump_histogram(zs.zs_blocks_n_tenths_full, ZAP_HISTOGRAM_SIZE);
327 (void) printf("\t\tEntries with n chunks:\n");
328 dump_histogram(zs.zs_entries_using_n_chunks, ZAP_HISTOGRAM_SIZE);
330 (void) printf("\t\tBuckets with n entries:\n");
331 dump_histogram(zs.zs_buckets_with_n_entries, ZAP_HISTOGRAM_SIZE);
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 dump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm)
523 uint64_t alloc, offset, entry;
524 uint8_t mapshift = sm->sm_shift;
525 uint64_t mapstart = sm->sm_start;
526 char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID",
527 "INVALID", "INVALID", "INVALID", "INVALID" };
529 if (smo->smo_object == 0)
533 * Print out the freelist entries in both encoded and decoded form.
536 for (offset = 0; offset < smo->smo_objsize; offset += sizeof (entry)) {
537 VERIFY3U(0, ==, dmu_read(os, smo->smo_object, offset,
538 sizeof (entry), &entry, DMU_READ_PREFETCH));
539 if (SM_DEBUG_DECODE(entry)) {
540 (void) printf("\t [%6llu] %s: txg %llu, pass %llu\n",
541 (u_longlong_t)(offset / sizeof (entry)),
542 ddata[SM_DEBUG_ACTION_DECODE(entry)],
543 (u_longlong_t)SM_DEBUG_TXG_DECODE(entry),
544 (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry));
546 (void) printf("\t [%6llu] %c range:"
547 " %010llx-%010llx size: %06llx\n",
548 (u_longlong_t)(offset / sizeof (entry)),
549 SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F',
550 (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
551 mapshift) + mapstart),
552 (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
553 mapshift) + mapstart + (SM_RUN_DECODE(entry) <<
555 (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift));
556 if (SM_TYPE_DECODE(entry) == SM_ALLOC)
557 alloc += SM_RUN_DECODE(entry) << mapshift;
559 alloc -= SM_RUN_DECODE(entry) << mapshift;
562 if (alloc != smo->smo_alloc) {
563 (void) printf("space_map_object alloc (%llu) INCONSISTENT "
564 "with space map summary (%llu)\n",
565 (u_longlong_t)smo->smo_alloc, (u_longlong_t)alloc);
570 dump_metaslab_stats(metaslab_t *msp)
573 space_map_t *sm = msp->ms_map;
574 avl_tree_t *t = sm->sm_pp_root;
575 int free_pct = sm->sm_space * 100 / sm->sm_size;
577 zdb_nicenum(space_map_maxsize(sm), maxbuf);
579 (void) printf("\t %25s %10lu %7s %6s %4s %4d%%\n",
580 "segments", avl_numnodes(t), "maxsize", maxbuf,
581 "freepct", free_pct);
585 dump_metaslab(metaslab_t *msp)
587 vdev_t *vd = msp->ms_group->mg_vd;
588 spa_t *spa = vd->vdev_spa;
589 space_map_t *sm = msp->ms_map;
590 space_map_obj_t *smo = &msp->ms_smo;
593 zdb_nicenum(sm->sm_size - smo->smo_alloc, freebuf);
596 "\tmetaslab %6llu offset %12llx spacemap %6llu free %5s\n",
597 (u_longlong_t)(sm->sm_start / sm->sm_size),
598 (u_longlong_t)sm->sm_start, (u_longlong_t)smo->smo_object, freebuf);
600 if (dump_opt['m'] > 1 && !dump_opt['L']) {
601 mutex_enter(&msp->ms_lock);
602 space_map_load_wait(sm);
604 VERIFY(space_map_load(sm, zfs_metaslab_ops,
605 SM_FREE, smo, spa->spa_meta_objset) == 0);
606 dump_metaslab_stats(msp);
607 space_map_unload(sm);
608 mutex_exit(&msp->ms_lock);
611 if (dump_opt['d'] > 5 || dump_opt['m'] > 2) {
612 ASSERT(sm->sm_size == (1ULL << vd->vdev_ms_shift));
614 mutex_enter(&msp->ms_lock);
615 dump_spacemap(spa->spa_meta_objset, smo, sm);
616 mutex_exit(&msp->ms_lock);
621 print_vdev_metaslab_header(vdev_t *vd)
623 (void) printf("\tvdev %10llu\n\t%-10s%5llu %-19s %-15s %-10s\n",
624 (u_longlong_t)vd->vdev_id,
625 "metaslabs", (u_longlong_t)vd->vdev_ms_count,
626 "offset", "spacemap", "free");
627 (void) printf("\t%15s %19s %15s %10s\n",
628 "---------------", "-------------------",
629 "---------------", "-------------");
633 dump_metaslabs(spa_t *spa)
635 vdev_t *vd, *rvd = spa->spa_root_vdev;
636 uint64_t m, c = 0, children = rvd->vdev_children;
638 (void) printf("\nMetaslabs:\n");
640 if (!dump_opt['d'] && zopt_objects > 0) {
644 (void) fatal("bad vdev id: %llu", (u_longlong_t)c);
646 if (zopt_objects > 1) {
647 vd = rvd->vdev_child[c];
648 print_vdev_metaslab_header(vd);
650 for (m = 1; m < zopt_objects; m++) {
651 if (zopt_object[m] < vd->vdev_ms_count)
653 vd->vdev_ms[zopt_object[m]]);
655 (void) fprintf(stderr, "bad metaslab "
657 (u_longlong_t)zopt_object[m]);
664 for (; c < children; c++) {
665 vd = rvd->vdev_child[c];
666 print_vdev_metaslab_header(vd);
668 for (m = 0; m < vd->vdev_ms_count; m++)
669 dump_metaslab(vd->vdev_ms[m]);
675 dump_dde(const ddt_t *ddt, const ddt_entry_t *dde, uint64_t index)
677 const ddt_phys_t *ddp = dde->dde_phys;
678 const ddt_key_t *ddk = &dde->dde_key;
679 char *types[4] = { "ditto", "single", "double", "triple" };
680 char blkbuf[BP_SPRINTF_LEN];
683 for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
684 if (ddp->ddp_phys_birth == 0)
686 ddt_bp_create(ddt->ddt_checksum, ddk, ddp, &blk);
687 sprintf_blkptr(blkbuf, &blk);
688 (void) printf("index %llx refcnt %llu %s %s\n",
689 (u_longlong_t)index, (u_longlong_t)ddp->ddp_refcnt,
695 dump_dedup_ratio(const ddt_stat_t *dds)
697 double rL, rP, rD, D, dedup, compress, copies;
699 if (dds->dds_blocks == 0)
702 rL = (double)dds->dds_ref_lsize;
703 rP = (double)dds->dds_ref_psize;
704 rD = (double)dds->dds_ref_dsize;
705 D = (double)dds->dds_dsize;
711 (void) printf("dedup = %.2f, compress = %.2f, copies = %.2f, "
712 "dedup * compress / copies = %.2f\n\n",
713 dedup, compress, copies, dedup * compress / copies);
717 dump_ddt(ddt_t *ddt, enum ddt_type type, enum ddt_class class)
719 char name[DDT_NAMELEN];
722 dmu_object_info_t doi;
723 uint64_t count, dspace, mspace;
726 error = ddt_object_info(ddt, type, class, &doi);
732 error = ddt_object_count(ddt, type, class, &count);
737 dspace = doi.doi_physical_blocks_512 << 9;
738 mspace = doi.doi_fill_count * doi.doi_data_block_size;
740 ddt_object_name(ddt, type, class, name);
742 (void) printf("%s: %llu entries, size %llu on disk, %llu in core\n",
745 (u_longlong_t)(dspace / count),
746 (u_longlong_t)(mspace / count));
748 if (dump_opt['D'] < 3)
751 zpool_dump_ddt(NULL, &ddt->ddt_histogram[type][class]);
753 if (dump_opt['D'] < 4)
756 if (dump_opt['D'] < 5 && class == DDT_CLASS_UNIQUE)
759 (void) printf("%s contents:\n\n", name);
761 while ((error = ddt_object_walk(ddt, type, class, &walk, &dde)) == 0)
762 dump_dde(ddt, &dde, walk);
764 ASSERT(error == ENOENT);
770 dump_all_ddts(spa_t *spa)
772 ddt_histogram_t ddh_total = { 0 };
773 ddt_stat_t dds_total = { 0 };
775 for (enum zio_checksum c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
776 ddt_t *ddt = spa->spa_ddt[c];
777 for (enum ddt_type type = 0; type < DDT_TYPES; type++) {
778 for (enum ddt_class class = 0; class < DDT_CLASSES;
780 dump_ddt(ddt, type, class);
785 ddt_get_dedup_stats(spa, &dds_total);
787 if (dds_total.dds_blocks == 0) {
788 (void) printf("All DDTs are empty\n");
794 if (dump_opt['D'] > 1) {
795 (void) printf("DDT histogram (aggregated over all DDTs):\n");
796 ddt_get_dedup_histogram(spa, &ddh_total);
797 zpool_dump_ddt(&dds_total, &ddh_total);
800 dump_dedup_ratio(&dds_total);
804 dump_dtl_seg(space_map_t *sm, uint64_t start, uint64_t size)
806 char *prefix = (void *)sm;
808 (void) printf("%s [%llu,%llu) length %llu\n",
811 (u_longlong_t)(start + size),
812 (u_longlong_t)(size));
816 dump_dtl(vdev_t *vd, int indent)
818 spa_t *spa = vd->vdev_spa;
820 char *name[DTL_TYPES] = { "missing", "partial", "scrub", "outage" };
823 spa_vdev_state_enter(spa, SCL_NONE);
824 required = vdev_dtl_required(vd);
825 (void) spa_vdev_state_exit(spa, NULL, 0);
828 (void) printf("\nDirty time logs:\n\n");
830 (void) printf("\t%*s%s [%s]\n", indent, "",
831 vd->vdev_path ? vd->vdev_path :
832 vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa),
833 required ? "DTL-required" : "DTL-expendable");
835 for (int t = 0; t < DTL_TYPES; t++) {
836 space_map_t *sm = &vd->vdev_dtl[t];
837 if (sm->sm_space == 0)
839 (void) snprintf(prefix, sizeof (prefix), "\t%*s%s",
840 indent + 2, "", name[t]);
841 mutex_enter(sm->sm_lock);
842 space_map_walk(sm, dump_dtl_seg, (void *)prefix);
843 mutex_exit(sm->sm_lock);
844 if (dump_opt['d'] > 5 && vd->vdev_children == 0)
845 dump_spacemap(spa->spa_meta_objset,
846 &vd->vdev_dtl_smo, sm);
849 for (int c = 0; c < vd->vdev_children; c++)
850 dump_dtl(vd->vdev_child[c], indent + 4);
854 dump_history(spa_t *spa)
856 nvlist_t **events = NULL;
857 char buf[SPA_MAXBLOCKSIZE];
858 uint64_t resid, len, off = 0;
864 char internalstr[MAXPATHLEN];
869 if ((error = spa_history_get(spa, &off, &len, buf)) != 0) {
870 (void) fprintf(stderr, "Unable to read history: "
871 "error %d\n", error);
875 if (zpool_history_unpack(buf, len, &resid, &events, &num) != 0)
881 (void) printf("\nHistory:\n");
882 for (int i = 0; i < num; i++) {
883 uint64_t time, txg, ievent;
885 boolean_t printed = B_FALSE;
887 if (nvlist_lookup_uint64(events[i], ZPOOL_HIST_TIME,
890 if (nvlist_lookup_string(events[i], ZPOOL_HIST_CMD,
892 if (nvlist_lookup_uint64(events[i],
893 ZPOOL_HIST_INT_EVENT, &ievent) != 0)
895 verify(nvlist_lookup_uint64(events[i],
896 ZPOOL_HIST_TXG, &txg) == 0);
897 verify(nvlist_lookup_string(events[i],
898 ZPOOL_HIST_INT_STR, &intstr) == 0);
899 if (ievent >= ZFS_NUM_LEGACY_HISTORY_EVENTS)
902 (void) snprintf(internalstr,
903 sizeof (internalstr),
904 "[internal %s txg:%lld] %s",
905 zfs_history_event_names[ievent], txg,
910 (void) localtime_r(&tsec, &t);
911 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t);
912 (void) printf("%s %s\n", tbuf, cmd);
916 if (dump_opt['h'] > 1) {
918 (void) printf("unrecognized record:\n");
919 dump_nvlist(events[i], 2);
926 dump_dnode(objset_t *os, uint64_t object, void *data, size_t size)
931 blkid2offset(const dnode_phys_t *dnp, const blkptr_t *bp, const zbookmark_t *zb)
934 ASSERT(zb->zb_level < 0);
935 if (zb->zb_object == 0)
936 return (zb->zb_blkid);
937 return (zb->zb_blkid * BP_GET_LSIZE(bp));
940 ASSERT(zb->zb_level >= 0);
942 return ((zb->zb_blkid <<
943 (zb->zb_level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) *
944 dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT);
948 sprintf_blkptr_compact(char *blkbuf, const blkptr_t *bp)
950 const dva_t *dva = bp->blk_dva;
951 int ndvas = dump_opt['d'] > 5 ? BP_GET_NDVAS(bp) : 1;
953 if (dump_opt['b'] >= 6) {
954 sprintf_blkptr(blkbuf, bp);
960 for (int i = 0; i < ndvas; i++)
961 (void) sprintf(blkbuf + strlen(blkbuf), "%llu:%llx:%llx ",
962 (u_longlong_t)DVA_GET_VDEV(&dva[i]),
963 (u_longlong_t)DVA_GET_OFFSET(&dva[i]),
964 (u_longlong_t)DVA_GET_ASIZE(&dva[i]));
966 (void) sprintf(blkbuf + strlen(blkbuf),
967 "%llxL/%llxP F=%llu B=%llu/%llu",
968 (u_longlong_t)BP_GET_LSIZE(bp),
969 (u_longlong_t)BP_GET_PSIZE(bp),
970 (u_longlong_t)bp->blk_fill,
971 (u_longlong_t)bp->blk_birth,
972 (u_longlong_t)BP_PHYSICAL_BIRTH(bp));
976 print_indirect(blkptr_t *bp, const zbookmark_t *zb,
977 const dnode_phys_t *dnp)
979 char blkbuf[BP_SPRINTF_LEN];
982 ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type);
983 ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level);
985 (void) printf("%16llx ", (u_longlong_t)blkid2offset(dnp, bp, zb));
987 ASSERT(zb->zb_level >= 0);
989 for (l = dnp->dn_nlevels - 1; l >= -1; l--) {
990 if (l == zb->zb_level) {
991 (void) printf("L%llx", (u_longlong_t)zb->zb_level);
997 sprintf_blkptr_compact(blkbuf, bp);
998 (void) printf("%s\n", blkbuf);
1002 visit_indirect(spa_t *spa, const dnode_phys_t *dnp,
1003 blkptr_t *bp, const zbookmark_t *zb)
1007 if (bp->blk_birth == 0)
1010 print_indirect(bp, zb, dnp);
1012 if (BP_GET_LEVEL(bp) > 0) {
1013 uint32_t flags = ARC_WAIT;
1016 int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT;
1020 err = arc_read(NULL, spa, bp, arc_getbuf_func, &buf,
1021 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb);
1024 ASSERT(buf->b_data);
1026 /* recursively visit blocks below this */
1028 for (i = 0; i < epb; i++, cbp++) {
1031 SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object,
1033 zb->zb_blkid * epb + i);
1034 err = visit_indirect(spa, dnp, cbp, &czb);
1037 fill += cbp->blk_fill;
1040 ASSERT3U(fill, ==, bp->blk_fill);
1041 (void) arc_buf_remove_ref(buf, &buf);
1049 dump_indirect(dnode_t *dn)
1051 dnode_phys_t *dnp = dn->dn_phys;
1055 (void) printf("Indirect blocks:\n");
1057 SET_BOOKMARK(&czb, dmu_objset_id(dn->dn_objset),
1058 dn->dn_object, dnp->dn_nlevels - 1, 0);
1059 for (j = 0; j < dnp->dn_nblkptr; j++) {
1061 (void) visit_indirect(dmu_objset_spa(dn->dn_objset), dnp,
1062 &dnp->dn_blkptr[j], &czb);
1065 (void) printf("\n");
1070 dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size)
1072 dsl_dir_phys_t *dd = data;
1079 ASSERT3U(size, >=, sizeof (dsl_dir_phys_t));
1081 crtime = dd->dd_creation_time;
1082 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
1083 (void) printf("\t\thead_dataset_obj = %llu\n",
1084 (u_longlong_t)dd->dd_head_dataset_obj);
1085 (void) printf("\t\tparent_dir_obj = %llu\n",
1086 (u_longlong_t)dd->dd_parent_obj);
1087 (void) printf("\t\torigin_obj = %llu\n",
1088 (u_longlong_t)dd->dd_origin_obj);
1089 (void) printf("\t\tchild_dir_zapobj = %llu\n",
1090 (u_longlong_t)dd->dd_child_dir_zapobj);
1091 zdb_nicenum(dd->dd_used_bytes, nice);
1092 (void) printf("\t\tused_bytes = %s\n", nice);
1093 zdb_nicenum(dd->dd_compressed_bytes, nice);
1094 (void) printf("\t\tcompressed_bytes = %s\n", nice);
1095 zdb_nicenum(dd->dd_uncompressed_bytes, nice);
1096 (void) printf("\t\tuncompressed_bytes = %s\n", nice);
1097 zdb_nicenum(dd->dd_quota, nice);
1098 (void) printf("\t\tquota = %s\n", nice);
1099 zdb_nicenum(dd->dd_reserved, nice);
1100 (void) printf("\t\treserved = %s\n", nice);
1101 (void) printf("\t\tprops_zapobj = %llu\n",
1102 (u_longlong_t)dd->dd_props_zapobj);
1103 (void) printf("\t\tdeleg_zapobj = %llu\n",
1104 (u_longlong_t)dd->dd_deleg_zapobj);
1105 (void) printf("\t\tflags = %llx\n",
1106 (u_longlong_t)dd->dd_flags);
1109 zdb_nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \
1110 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice)
1121 dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size)
1123 dsl_dataset_phys_t *ds = data;
1125 char used[32], compressed[32], uncompressed[32], unique[32];
1126 char blkbuf[BP_SPRINTF_LEN];
1131 ASSERT(size == sizeof (*ds));
1132 crtime = ds->ds_creation_time;
1133 zdb_nicenum(ds->ds_referenced_bytes, used);
1134 zdb_nicenum(ds->ds_compressed_bytes, compressed);
1135 zdb_nicenum(ds->ds_uncompressed_bytes, uncompressed);
1136 zdb_nicenum(ds->ds_unique_bytes, unique);
1137 sprintf_blkptr(blkbuf, &ds->ds_bp);
1139 (void) printf("\t\tdir_obj = %llu\n",
1140 (u_longlong_t)ds->ds_dir_obj);
1141 (void) printf("\t\tprev_snap_obj = %llu\n",
1142 (u_longlong_t)ds->ds_prev_snap_obj);
1143 (void) printf("\t\tprev_snap_txg = %llu\n",
1144 (u_longlong_t)ds->ds_prev_snap_txg);
1145 (void) printf("\t\tnext_snap_obj = %llu\n",
1146 (u_longlong_t)ds->ds_next_snap_obj);
1147 (void) printf("\t\tsnapnames_zapobj = %llu\n",
1148 (u_longlong_t)ds->ds_snapnames_zapobj);
1149 (void) printf("\t\tnum_children = %llu\n",
1150 (u_longlong_t)ds->ds_num_children);
1151 (void) printf("\t\tuserrefs_obj = %llu\n",
1152 (u_longlong_t)ds->ds_userrefs_obj);
1153 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
1154 (void) printf("\t\tcreation_txg = %llu\n",
1155 (u_longlong_t)ds->ds_creation_txg);
1156 (void) printf("\t\tdeadlist_obj = %llu\n",
1157 (u_longlong_t)ds->ds_deadlist_obj);
1158 (void) printf("\t\tused_bytes = %s\n", used);
1159 (void) printf("\t\tcompressed_bytes = %s\n", compressed);
1160 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed);
1161 (void) printf("\t\tunique = %s\n", unique);
1162 (void) printf("\t\tfsid_guid = %llu\n",
1163 (u_longlong_t)ds->ds_fsid_guid);
1164 (void) printf("\t\tguid = %llu\n",
1165 (u_longlong_t)ds->ds_guid);
1166 (void) printf("\t\tflags = %llx\n",
1167 (u_longlong_t)ds->ds_flags);
1168 (void) printf("\t\tnext_clones_obj = %llu\n",
1169 (u_longlong_t)ds->ds_next_clones_obj);
1170 (void) printf("\t\tprops_obj = %llu\n",
1171 (u_longlong_t)ds->ds_props_obj);
1172 (void) printf("\t\tbp = %s\n", blkbuf);
1177 dump_bptree_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
1179 char blkbuf[BP_SPRINTF_LEN];
1181 if (bp->blk_birth != 0) {
1182 sprintf_blkptr(blkbuf, bp);
1183 (void) printf("\t%s\n", blkbuf);
1189 dump_bptree(objset_t *os, uint64_t obj, char *name)
1195 if (dump_opt['d'] < 3)
1198 VERIFY3U(0, ==, dmu_bonus_hold(os, obj, FTAG, &db));
1200 zdb_nicenum(bt->bt_bytes, bytes);
1201 (void) printf("\n %s: %llu datasets, %s\n",
1202 name, (unsigned long long)(bt->bt_end - bt->bt_begin), bytes);
1203 dmu_buf_rele(db, FTAG);
1205 if (dump_opt['d'] < 5)
1208 (void) printf("\n");
1210 (void) bptree_iterate(os, obj, B_FALSE, dump_bptree_cb, NULL, NULL);
1215 dump_bpobj_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
1217 char blkbuf[BP_SPRINTF_LEN];
1219 ASSERT(bp->blk_birth != 0);
1220 sprintf_blkptr_compact(blkbuf, bp);
1221 (void) printf("\t%s\n", blkbuf);
1226 dump_bpobj(bpobj_t *bpo, char *name, int indent)
1232 if (dump_opt['d'] < 3)
1235 zdb_nicenum(bpo->bpo_phys->bpo_bytes, bytes);
1236 if (bpo->bpo_havesubobj && bpo->bpo_phys->bpo_subobjs != 0) {
1237 zdb_nicenum(bpo->bpo_phys->bpo_comp, comp);
1238 zdb_nicenum(bpo->bpo_phys->bpo_uncomp, uncomp);
1239 (void) printf(" %*s: object %llu, %llu local blkptrs, "
1240 "%llu subobjs, %s (%s/%s comp)\n",
1242 (u_longlong_t)bpo->bpo_object,
1243 (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs,
1244 (u_longlong_t)bpo->bpo_phys->bpo_num_subobjs,
1245 bytes, comp, uncomp);
1247 for (uint64_t i = 0; i < bpo->bpo_phys->bpo_num_subobjs; i++) {
1251 VERIFY0(dmu_read(bpo->bpo_os,
1252 bpo->bpo_phys->bpo_subobjs,
1253 i * sizeof (subobj), sizeof (subobj), &subobj, 0));
1254 error = bpobj_open(&subbpo, bpo->bpo_os, subobj);
1256 (void) printf("ERROR %u while trying to open "
1258 error, (u_longlong_t)subobj);
1261 dump_bpobj(&subbpo, "subobj", indent + 1);
1262 bpobj_close(&subbpo);
1265 (void) printf(" %*s: object %llu, %llu blkptrs, %s\n",
1267 (u_longlong_t)bpo->bpo_object,
1268 (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs,
1272 if (dump_opt['d'] < 5)
1277 (void) bpobj_iterate_nofree(bpo, dump_bpobj_cb, NULL, NULL);
1278 (void) printf("\n");
1283 dump_deadlist(dsl_deadlist_t *dl)
1285 dsl_deadlist_entry_t *dle;
1291 if (dump_opt['d'] < 3)
1294 zdb_nicenum(dl->dl_phys->dl_used, bytes);
1295 zdb_nicenum(dl->dl_phys->dl_comp, comp);
1296 zdb_nicenum(dl->dl_phys->dl_uncomp, uncomp);
1297 (void) printf("\n Deadlist: %s (%s/%s comp)\n",
1298 bytes, comp, uncomp);
1300 if (dump_opt['d'] < 4)
1303 (void) printf("\n");
1305 /* force the tree to be loaded */
1306 dsl_deadlist_space_range(dl, 0, UINT64_MAX, &unused, &unused, &unused);
1308 for (dle = avl_first(&dl->dl_tree); dle;
1309 dle = AVL_NEXT(&dl->dl_tree, dle)) {
1310 if (dump_opt['d'] >= 5) {
1312 (void) snprintf(buf, sizeof (buf), "mintxg %llu -> ",
1313 (longlong_t)dle->dle_mintxg,
1314 (longlong_t)dle->dle_bpobj.bpo_object);
1316 dump_bpobj(&dle->dle_bpobj, buf, 0);
1318 (void) printf("mintxg %llu -> obj %llu\n",
1319 (longlong_t)dle->dle_mintxg,
1320 (longlong_t)dle->dle_bpobj.bpo_object);
1326 static avl_tree_t idx_tree;
1327 static avl_tree_t domain_tree;
1328 static boolean_t fuid_table_loaded;
1329 static boolean_t sa_loaded;
1330 sa_attr_type_t *sa_attr_table;
1333 fuid_table_destroy()
1335 if (fuid_table_loaded) {
1336 zfs_fuid_table_destroy(&idx_tree, &domain_tree);
1337 fuid_table_loaded = B_FALSE;
1342 * print uid or gid information.
1343 * For normal POSIX id just the id is printed in decimal format.
1344 * For CIFS files with FUID the fuid is printed in hex followed by
1345 * the domain-rid string.
1348 print_idstr(uint64_t id, const char *id_type)
1350 if (FUID_INDEX(id)) {
1353 domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id));
1354 (void) printf("\t%s %llx [%s-%d]\n", id_type,
1355 (u_longlong_t)id, domain, (int)FUID_RID(id));
1357 (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id);
1363 dump_uidgid(objset_t *os, uint64_t uid, uint64_t gid)
1365 uint32_t uid_idx, gid_idx;
1367 uid_idx = FUID_INDEX(uid);
1368 gid_idx = FUID_INDEX(gid);
1370 /* Load domain table, if not already loaded */
1371 if (!fuid_table_loaded && (uid_idx || gid_idx)) {
1374 /* first find the fuid object. It lives in the master node */
1375 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES,
1376 8, 1, &fuid_obj) == 0);
1377 zfs_fuid_avl_tree_create(&idx_tree, &domain_tree);
1378 (void) zfs_fuid_table_load(os, fuid_obj,
1379 &idx_tree, &domain_tree);
1380 fuid_table_loaded = B_TRUE;
1383 print_idstr(uid, "uid");
1384 print_idstr(gid, "gid");
1389 dump_znode(objset_t *os, uint64_t object, void *data, size_t size)
1391 char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */
1393 uint64_t xattr, rdev, gen;
1394 uint64_t uid, gid, mode, fsize, parent, links;
1396 uint64_t acctm[2], modtm[2], chgtm[2], crtm[2];
1397 time_t z_crtime, z_atime, z_mtime, z_ctime;
1398 sa_bulk_attr_t bulk[12];
1403 uint64_t sa_attrs = 0;
1406 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZPL_VERSION_STR,
1407 8, 1, &version) == 0);
1408 if (version >= ZPL_VERSION_SA) {
1409 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_SA_ATTRS,
1410 8, 1, &sa_attrs) == 0);
1412 if ((error = sa_setup(os, sa_attrs, zfs_attr_table,
1413 ZPL_END, &sa_attr_table)) != 0) {
1414 (void) printf("sa_setup failed errno %d, can't "
1415 "display znode contents\n", error);
1421 if (sa_handle_get(os, object, NULL, SA_HDL_PRIVATE, &hdl)) {
1422 (void) printf("Failed to get handle for SA znode\n");
1426 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_UID], NULL, &uid, 8);
1427 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GID], NULL, &gid, 8);
1428 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_LINKS], NULL,
1430 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GEN], NULL, &gen, 8);
1431 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MODE], NULL,
1433 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_PARENT],
1435 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_SIZE], NULL,
1437 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_ATIME], NULL,
1439 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MTIME], NULL,
1441 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CRTIME], NULL,
1443 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CTIME], NULL,
1445 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_FLAGS], NULL,
1448 if (sa_bulk_lookup(hdl, bulk, idx)) {
1449 (void) sa_handle_destroy(hdl);
1453 error = zfs_obj_to_path(os, object, path, sizeof (path));
1455 (void) snprintf(path, sizeof (path), "\?\?\?<object#%llu>",
1456 (u_longlong_t)object);
1458 if (dump_opt['d'] < 3) {
1459 (void) printf("\t%s\n", path);
1460 (void) sa_handle_destroy(hdl);
1464 z_crtime = (time_t)crtm[0];
1465 z_atime = (time_t)acctm[0];
1466 z_mtime = (time_t)modtm[0];
1467 z_ctime = (time_t)chgtm[0];
1469 (void) printf("\tpath %s\n", path);
1470 dump_uidgid(os, uid, gid);
1471 (void) printf("\tatime %s", ctime(&z_atime));
1472 (void) printf("\tmtime %s", ctime(&z_mtime));
1473 (void) printf("\tctime %s", ctime(&z_ctime));
1474 (void) printf("\tcrtime %s", ctime(&z_crtime));
1475 (void) printf("\tgen %llu\n", (u_longlong_t)gen);
1476 (void) printf("\tmode %llo\n", (u_longlong_t)mode);
1477 (void) printf("\tsize %llu\n", (u_longlong_t)fsize);
1478 (void) printf("\tparent %llu\n", (u_longlong_t)parent);
1479 (void) printf("\tlinks %llu\n", (u_longlong_t)links);
1480 (void) printf("\tpflags %llx\n", (u_longlong_t)pflags);
1481 if (sa_lookup(hdl, sa_attr_table[ZPL_XATTR], &xattr,
1482 sizeof (uint64_t)) == 0)
1483 (void) printf("\txattr %llu\n", (u_longlong_t)xattr);
1484 if (sa_lookup(hdl, sa_attr_table[ZPL_RDEV], &rdev,
1485 sizeof (uint64_t)) == 0)
1486 (void) printf("\trdev 0x%016llx\n", (u_longlong_t)rdev);
1487 sa_handle_destroy(hdl);
1492 dump_acl(objset_t *os, uint64_t object, void *data, size_t size)
1498 dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size)
1502 static object_viewer_t *object_viewer[DMU_OT_NUMTYPES + 1] = {
1503 dump_none, /* unallocated */
1504 dump_zap, /* object directory */
1505 dump_uint64, /* object array */
1506 dump_none, /* packed nvlist */
1507 dump_packed_nvlist, /* packed nvlist size */
1508 dump_none, /* bplist */
1509 dump_none, /* bplist header */
1510 dump_none, /* SPA space map header */
1511 dump_none, /* SPA space map */
1512 dump_none, /* ZIL intent log */
1513 dump_dnode, /* DMU dnode */
1514 dump_dmu_objset, /* DMU objset */
1515 dump_dsl_dir, /* DSL directory */
1516 dump_zap, /* DSL directory child map */
1517 dump_zap, /* DSL dataset snap map */
1518 dump_zap, /* DSL props */
1519 dump_dsl_dataset, /* DSL dataset */
1520 dump_znode, /* ZFS znode */
1521 dump_acl, /* ZFS V0 ACL */
1522 dump_uint8, /* ZFS plain file */
1523 dump_zpldir, /* ZFS directory */
1524 dump_zap, /* ZFS master node */
1525 dump_zap, /* ZFS delete queue */
1526 dump_uint8, /* zvol object */
1527 dump_zap, /* zvol prop */
1528 dump_uint8, /* other uint8[] */
1529 dump_uint64, /* other uint64[] */
1530 dump_zap, /* other ZAP */
1531 dump_zap, /* persistent error log */
1532 dump_uint8, /* SPA history */
1533 dump_history_offsets, /* SPA history offsets */
1534 dump_zap, /* Pool properties */
1535 dump_zap, /* DSL permissions */
1536 dump_acl, /* ZFS ACL */
1537 dump_uint8, /* ZFS SYSACL */
1538 dump_none, /* FUID nvlist */
1539 dump_packed_nvlist, /* FUID nvlist size */
1540 dump_zap, /* DSL dataset next clones */
1541 dump_zap, /* DSL scrub queue */
1542 dump_zap, /* ZFS user/group used */
1543 dump_zap, /* ZFS user/group quota */
1544 dump_zap, /* snapshot refcount tags */
1545 dump_ddt_zap, /* DDT ZAP object */
1546 dump_zap, /* DDT statistics */
1547 dump_znode, /* SA object */
1548 dump_zap, /* SA Master Node */
1549 dump_sa_attrs, /* SA attribute registration */
1550 dump_sa_layouts, /* SA attribute layouts */
1551 dump_zap, /* DSL scrub translations */
1552 dump_none, /* fake dedup BP */
1553 dump_zap, /* deadlist */
1554 dump_none, /* deadlist hdr */
1555 dump_zap, /* dsl clones */
1556 dump_none, /* bpobj subobjs */
1557 dump_unknown, /* Unknown type, must be last */
1561 dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header)
1563 dmu_buf_t *db = NULL;
1564 dmu_object_info_t doi;
1568 char iblk[32], dblk[32], lsize[32], asize[32], fill[32];
1569 char bonus_size[32];
1573 if (*print_header) {
1574 (void) printf("\n%10s %3s %5s %5s %5s %5s %6s %s\n",
1575 "Object", "lvl", "iblk", "dblk", "dsize", "lsize",
1581 dn = DMU_META_DNODE(os);
1583 error = dmu_bonus_hold(os, object, FTAG, &db);
1585 fatal("dmu_bonus_hold(%llu) failed, errno %u",
1587 bonus = db->db_data;
1588 bsize = db->db_size;
1589 dn = DB_DNODE((dmu_buf_impl_t *)db);
1591 dmu_object_info_from_dnode(dn, &doi);
1593 zdb_nicenum(doi.doi_metadata_block_size, iblk);
1594 zdb_nicenum(doi.doi_data_block_size, dblk);
1595 zdb_nicenum(doi.doi_max_offset, lsize);
1596 zdb_nicenum(doi.doi_physical_blocks_512 << 9, asize);
1597 zdb_nicenum(doi.doi_bonus_size, bonus_size);
1598 (void) sprintf(fill, "%6.2f", 100.0 * doi.doi_fill_count *
1599 doi.doi_data_block_size / (object == 0 ? DNODES_PER_BLOCK : 1) /
1600 doi.doi_max_offset);
1604 if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) {
1605 (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)",
1606 ZDB_CHECKSUM_NAME(doi.doi_checksum));
1609 if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) {
1610 (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)",
1611 ZDB_COMPRESS_NAME(doi.doi_compress));
1614 (void) printf("%10lld %3u %5s %5s %5s %5s %6s %s%s\n",
1615 (u_longlong_t)object, doi.doi_indirection, iblk, dblk,
1616 asize, lsize, fill, ZDB_OT_NAME(doi.doi_type), aux);
1618 if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) {
1619 (void) printf("%10s %3s %5s %5s %5s %5s %6s %s\n",
1620 "", "", "", "", "", bonus_size, "bonus",
1621 ZDB_OT_NAME(doi.doi_bonus_type));
1624 if (verbosity >= 4) {
1625 (void) printf("\tdnode flags: %s%s%s\n",
1626 (dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ?
1628 (dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ?
1629 "USERUSED_ACCOUNTED " : "",
1630 (dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR) ?
1631 "SPILL_BLKPTR" : "");
1632 (void) printf("\tdnode maxblkid: %llu\n",
1633 (longlong_t)dn->dn_phys->dn_maxblkid);
1635 object_viewer[ZDB_OT_TYPE(doi.doi_bonus_type)](os, object,
1637 object_viewer[ZDB_OT_TYPE(doi.doi_type)](os, object, NULL, 0);
1644 if (verbosity >= 5) {
1646 * Report the list of segments that comprise the object.
1650 uint64_t blkfill = 1;
1653 if (dn->dn_type == DMU_OT_DNODE) {
1655 blkfill = DNODES_PER_BLOCK;
1660 error = dnode_next_offset(dn,
1661 0, &start, minlvl, blkfill, 0);
1665 error = dnode_next_offset(dn,
1666 DNODE_FIND_HOLE, &end, minlvl, blkfill, 0);
1667 zdb_nicenum(end - start, segsize);
1668 (void) printf("\t\tsegment [%016llx, %016llx)"
1669 " size %5s\n", (u_longlong_t)start,
1670 (u_longlong_t)end, segsize);
1678 dmu_buf_rele(db, FTAG);
1681 static char *objset_types[DMU_OST_NUMTYPES] = {
1682 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" };
1685 dump_dir(objset_t *os)
1687 dmu_objset_stats_t dds;
1688 uint64_t object, object_count;
1689 uint64_t refdbytes, usedobjs, scratch;
1691 char blkbuf[BP_SPRINTF_LEN + 20];
1692 char osname[MAXNAMELEN];
1693 char *type = "UNKNOWN";
1694 int verbosity = dump_opt['d'];
1695 int print_header = 1;
1698 dsl_pool_config_enter(dmu_objset_pool(os), FTAG);
1699 dmu_objset_fast_stat(os, &dds);
1700 dsl_pool_config_exit(dmu_objset_pool(os), FTAG);
1702 if (dds.dds_type < DMU_OST_NUMTYPES)
1703 type = objset_types[dds.dds_type];
1705 if (dds.dds_type == DMU_OST_META) {
1706 dds.dds_creation_txg = TXG_INITIAL;
1707 usedobjs = os->os_rootbp->blk_fill;
1708 refdbytes = os->os_spa->spa_dsl_pool->
1709 dp_mos_dir->dd_phys->dd_used_bytes;
1711 dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch);
1714 ASSERT3U(usedobjs, ==, os->os_rootbp->blk_fill);
1716 zdb_nicenum(refdbytes, numbuf);
1718 if (verbosity >= 4) {
1719 (void) sprintf(blkbuf, ", rootbp ");
1720 (void) sprintf_blkptr(blkbuf + strlen(blkbuf), os->os_rootbp);
1725 dmu_objset_name(os, osname);
1727 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, "
1728 "%s, %llu objects%s\n",
1729 osname, type, (u_longlong_t)dmu_objset_id(os),
1730 (u_longlong_t)dds.dds_creation_txg,
1731 numbuf, (u_longlong_t)usedobjs, blkbuf);
1733 if (zopt_objects != 0) {
1734 for (i = 0; i < zopt_objects; i++)
1735 dump_object(os, zopt_object[i], verbosity,
1737 (void) printf("\n");
1741 if (dump_opt['i'] != 0 || verbosity >= 2)
1742 dump_intent_log(dmu_objset_zil(os));
1744 if (dmu_objset_ds(os) != NULL)
1745 dump_deadlist(&dmu_objset_ds(os)->ds_deadlist);
1750 if (os->os_rootbp->blk_birth == 0)
1753 dump_object(os, 0, verbosity, &print_header);
1755 if (DMU_USERUSED_DNODE(os) != NULL &&
1756 DMU_USERUSED_DNODE(os)->dn_type != 0) {
1757 dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header);
1758 dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header);
1762 while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) {
1763 dump_object(os, object, verbosity, &print_header);
1767 ASSERT3U(object_count, ==, usedobjs);
1769 (void) printf("\n");
1771 if (error != ESRCH) {
1772 (void) fprintf(stderr, "dmu_object_next() = %d\n", error);
1778 dump_uberblock(uberblock_t *ub, const char *header, const char *footer)
1780 time_t timestamp = ub->ub_timestamp;
1782 (void) printf(header ? header : "");
1783 (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic);
1784 (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version);
1785 (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg);
1786 (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum);
1787 (void) printf("\ttimestamp = %llu UTC = %s",
1788 (u_longlong_t)ub->ub_timestamp, asctime(localtime(×tamp)));
1789 if (dump_opt['u'] >= 3) {
1790 char blkbuf[BP_SPRINTF_LEN];
1791 sprintf_blkptr(blkbuf, &ub->ub_rootbp);
1792 (void) printf("\trootbp = %s\n", blkbuf);
1794 (void) printf(footer ? footer : "");
1798 dump_config(spa_t *spa)
1805 error = dmu_bonus_hold(spa->spa_meta_objset,
1806 spa->spa_config_object, FTAG, &db);
1809 nvsize = *(uint64_t *)db->db_data;
1810 dmu_buf_rele(db, FTAG);
1812 (void) printf("\nMOS Configuration:\n");
1813 dump_packed_nvlist(spa->spa_meta_objset,
1814 spa->spa_config_object, (void *)&nvsize, 1);
1816 (void) fprintf(stderr, "dmu_bonus_hold(%llu) failed, errno %d",
1817 (u_longlong_t)spa->spa_config_object, error);
1822 dump_cachefile(const char *cachefile)
1825 struct stat64 statbuf;
1829 if ((fd = open64(cachefile, O_RDONLY)) < 0) {
1830 (void) printf("cannot open '%s': %s\n", cachefile,
1835 if (fstat64(fd, &statbuf) != 0) {
1836 (void) printf("failed to stat '%s': %s\n", cachefile,
1841 if ((buf = malloc(statbuf.st_size)) == NULL) {
1842 (void) fprintf(stderr, "failed to allocate %llu bytes\n",
1843 (u_longlong_t)statbuf.st_size);
1847 if (read(fd, buf, statbuf.st_size) != statbuf.st_size) {
1848 (void) fprintf(stderr, "failed to read %llu bytes\n",
1849 (u_longlong_t)statbuf.st_size);
1855 if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) {
1856 (void) fprintf(stderr, "failed to unpack nvlist\n");
1862 dump_nvlist(config, 0);
1864 nvlist_free(config);
1867 #define ZDB_MAX_UB_HEADER_SIZE 32
1870 dump_label_uberblocks(vdev_label_t *lbl, uint64_t ashift)
1874 char header[ZDB_MAX_UB_HEADER_SIZE];
1876 vd.vdev_ashift = ashift;
1877 vdp->vdev_top = vdp;
1879 for (int i = 0; i < VDEV_UBERBLOCK_COUNT(vdp); i++) {
1880 uint64_t uoff = VDEV_UBERBLOCK_OFFSET(vdp, i);
1881 uberblock_t *ub = (void *)((char *)lbl + uoff);
1883 if (uberblock_verify(ub))
1885 (void) snprintf(header, ZDB_MAX_UB_HEADER_SIZE,
1886 "Uberblock[%d]\n", i);
1887 dump_uberblock(ub, header, "");
1892 dump_label(const char *dev)
1896 char *path, *buf = label.vl_vdev_phys.vp_nvlist;
1897 size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist);
1898 struct stat64 statbuf;
1899 uint64_t psize, ashift;
1900 int len = strlen(dev) + 1;
1902 if (strncmp(dev, "/dev/dsk/", 9) == 0) {
1905 (void) snprintf(path, len, "%s%s", "/dev/rdsk/", dev + 9);
1910 if ((fd = open64(path, O_RDONLY)) < 0) {
1911 (void) printf("cannot open '%s': %s\n", path, strerror(errno));
1916 if (fstat64(fd, &statbuf) != 0) {
1917 (void) printf("failed to stat '%s': %s\n", path,
1924 if (S_ISBLK(statbuf.st_mode)) {
1925 (void) printf("cannot use '%s': character device required\n",
1932 psize = statbuf.st_size;
1933 psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t));
1935 for (int l = 0; l < VDEV_LABELS; l++) {
1936 nvlist_t *config = NULL;
1938 (void) printf("--------------------------------------------\n");
1939 (void) printf("LABEL %d\n", l);
1940 (void) printf("--------------------------------------------\n");
1942 if (pread64(fd, &label, sizeof (label),
1943 vdev_label_offset(psize, l, 0)) != sizeof (label)) {
1944 (void) printf("failed to read label %d\n", l);
1948 if (nvlist_unpack(buf, buflen, &config, 0) != 0) {
1949 (void) printf("failed to unpack label %d\n", l);
1950 ashift = SPA_MINBLOCKSHIFT;
1952 nvlist_t *vdev_tree = NULL;
1954 dump_nvlist(config, 4);
1955 if ((nvlist_lookup_nvlist(config,
1956 ZPOOL_CONFIG_VDEV_TREE, &vdev_tree) != 0) ||
1957 (nvlist_lookup_uint64(vdev_tree,
1958 ZPOOL_CONFIG_ASHIFT, &ashift) != 0))
1959 ashift = SPA_MINBLOCKSHIFT;
1960 nvlist_free(config);
1963 dump_label_uberblocks(&label, ashift);
1972 dump_one_dir(const char *dsname, void *arg)
1977 error = dmu_objset_own(dsname, DMU_OST_ANY, B_TRUE, FTAG, &os);
1979 (void) printf("Could not open %s, error %d\n", dsname, error);
1983 dmu_objset_disown(os, FTAG);
1984 fuid_table_destroy();
1985 sa_loaded = B_FALSE;
1992 #define PSIZE_HISTO_SIZE (SPA_MAXBLOCKSIZE / SPA_MINBLOCKSIZE + 1)
1993 typedef struct zdb_blkstats {
1998 uint64_t zb_psize_histogram[PSIZE_HISTO_SIZE];
2002 * Extended object types to report deferred frees and dedup auto-ditto blocks.
2004 #define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0)
2005 #define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1)
2006 #define ZDB_OT_OTHER (DMU_OT_NUMTYPES + 2)
2007 #define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 3)
2009 static char *zdb_ot_extname[] = {
2016 #define ZB_TOTAL DN_MAX_LEVELS
2018 typedef struct zdb_cb {
2019 zdb_blkstats_t zcb_type[ZB_TOTAL + 1][ZDB_OT_TOTAL + 1];
2020 uint64_t zcb_dedup_asize;
2021 uint64_t zcb_dedup_blocks;
2023 uint64_t zcb_lastprint;
2024 uint64_t zcb_totalasize;
2025 uint64_t zcb_errors[256];
2032 zdb_count_block(zdb_cb_t *zcb, zilog_t *zilog, const blkptr_t *bp,
2033 dmu_object_type_t type)
2035 uint64_t refcnt = 0;
2037 ASSERT(type < ZDB_OT_TOTAL);
2039 if (zilog && zil_bp_tree_add(zilog, bp) != 0)
2042 for (int i = 0; i < 4; i++) {
2043 int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL;
2044 int t = (i & 1) ? type : ZDB_OT_TOTAL;
2045 zdb_blkstats_t *zb = &zcb->zcb_type[l][t];
2047 zb->zb_asize += BP_GET_ASIZE(bp);
2048 zb->zb_lsize += BP_GET_LSIZE(bp);
2049 zb->zb_psize += BP_GET_PSIZE(bp);
2051 zb->zb_psize_histogram[BP_GET_PSIZE(bp) >> SPA_MINBLOCKSHIFT]++;
2057 if (BP_GET_DEDUP(bp)) {
2061 ddt = ddt_select(zcb->zcb_spa, bp);
2063 dde = ddt_lookup(ddt, bp, B_FALSE);
2068 ddt_phys_t *ddp = ddt_phys_select(dde, bp);
2069 ddt_phys_decref(ddp);
2070 refcnt = ddp->ddp_refcnt;
2071 if (ddt_phys_total_refcnt(dde) == 0)
2072 ddt_remove(ddt, dde);
2077 VERIFY3U(zio_wait(zio_claim(NULL, zcb->zcb_spa,
2078 refcnt ? 0 : spa_first_txg(zcb->zcb_spa),
2079 bp, NULL, NULL, ZIO_FLAG_CANFAIL)), ==, 0);
2083 zdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
2084 const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
2086 zdb_cb_t *zcb = arg;
2087 char blkbuf[BP_SPRINTF_LEN];
2088 dmu_object_type_t type;
2089 boolean_t is_metadata;
2094 type = BP_GET_TYPE(bp);
2096 zdb_count_block(zcb, zilog, bp,
2097 (type & DMU_OT_NEWTYPE) ? ZDB_OT_OTHER : type);
2099 is_metadata = (BP_GET_LEVEL(bp) != 0 || DMU_OT_IS_METADATA(type));
2101 if (dump_opt['c'] > 1 || (dump_opt['c'] && is_metadata)) {
2103 size_t size = BP_GET_PSIZE(bp);
2104 void *data = malloc(size);
2105 int flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB | ZIO_FLAG_RAW;
2107 /* If it's an intent log block, failure is expected. */
2108 if (zb->zb_level == ZB_ZIL_LEVEL)
2109 flags |= ZIO_FLAG_SPECULATIVE;
2111 ioerr = zio_wait(zio_read(NULL, spa, bp, data, size,
2112 NULL, NULL, ZIO_PRIORITY_ASYNC_READ, flags, zb));
2115 if (ioerr && !(flags & ZIO_FLAG_SPECULATIVE)) {
2116 zcb->zcb_haderrors = 1;
2117 zcb->zcb_errors[ioerr]++;
2119 if (dump_opt['b'] >= 2)
2120 sprintf_blkptr(blkbuf, bp);
2124 (void) printf("zdb_blkptr_cb: "
2125 "Got error %d reading "
2126 "<%llu, %llu, %lld, %llx> %s -- skipping\n",
2128 (u_longlong_t)zb->zb_objset,
2129 (u_longlong_t)zb->zb_object,
2130 (u_longlong_t)zb->zb_level,
2131 (u_longlong_t)zb->zb_blkid,
2136 zcb->zcb_readfails = 0;
2138 if (dump_opt['b'] >= 5) {
2139 sprintf_blkptr(blkbuf, bp);
2140 (void) printf("objset %llu object %llu "
2141 "level %lld offset 0x%llx %s\n",
2142 (u_longlong_t)zb->zb_objset,
2143 (u_longlong_t)zb->zb_object,
2144 (longlong_t)zb->zb_level,
2145 (u_longlong_t)blkid2offset(dnp, bp, zb),
2149 if (dump_opt['b'] < 5 && isatty(STDERR_FILENO) &&
2150 gethrtime() > zcb->zcb_lastprint + NANOSEC) {
2151 uint64_t now = gethrtime();
2153 uint64_t bytes = zcb->zcb_type[ZB_TOTAL][ZDB_OT_TOTAL].zb_asize;
2155 1 + bytes / (1 + ((now - zcb->zcb_start) / 1000 / 1000));
2157 (zcb->zcb_totalasize - bytes) / 1024 / kb_per_sec;
2159 zfs_nicenum(bytes, buf, sizeof (buf));
2160 (void) fprintf(stderr,
2161 "\r%5s completed (%4dMB/s) "
2162 "estimated time remaining: %uhr %02umin %02usec ",
2163 buf, kb_per_sec / 1024,
2164 sec_remaining / 60 / 60,
2165 sec_remaining / 60 % 60,
2166 sec_remaining % 60);
2168 zcb->zcb_lastprint = now;
2175 zdb_leak(space_map_t *sm, uint64_t start, uint64_t size)
2177 vdev_t *vd = sm->sm_ppd;
2179 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n",
2180 (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size);
2185 zdb_space_map_load(space_map_t *sm)
2190 zdb_space_map_unload(space_map_t *sm)
2192 space_map_vacate(sm, zdb_leak, sm);
2197 zdb_space_map_claim(space_map_t *sm, uint64_t start, uint64_t size)
2201 static space_map_ops_t zdb_space_map_ops = {
2203 zdb_space_map_unload,
2205 zdb_space_map_claim,
2211 zdb_ddt_leak_init(spa_t *spa, zdb_cb_t *zcb)
2213 ddt_bookmark_t ddb = { 0 };
2217 while ((error = ddt_walk(spa, &ddb, &dde)) == 0) {
2219 ddt_phys_t *ddp = dde.dde_phys;
2221 if (ddb.ddb_class == DDT_CLASS_UNIQUE)
2224 ASSERT(ddt_phys_total_refcnt(&dde) > 1);
2226 for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
2227 if (ddp->ddp_phys_birth == 0)
2229 ddt_bp_create(ddb.ddb_checksum,
2230 &dde.dde_key, ddp, &blk);
2231 if (p == DDT_PHYS_DITTO) {
2232 zdb_count_block(zcb, NULL, &blk, ZDB_OT_DITTO);
2234 zcb->zcb_dedup_asize +=
2235 BP_GET_ASIZE(&blk) * (ddp->ddp_refcnt - 1);
2236 zcb->zcb_dedup_blocks++;
2239 if (!dump_opt['L']) {
2240 ddt_t *ddt = spa->spa_ddt[ddb.ddb_checksum];
2242 VERIFY(ddt_lookup(ddt, &blk, B_TRUE) != NULL);
2247 ASSERT(error == ENOENT);
2251 zdb_leak_init(spa_t *spa, zdb_cb_t *zcb)
2255 if (!dump_opt['L']) {
2256 vdev_t *rvd = spa->spa_root_vdev;
2257 for (int c = 0; c < rvd->vdev_children; c++) {
2258 vdev_t *vd = rvd->vdev_child[c];
2259 for (int m = 0; m < vd->vdev_ms_count; m++) {
2260 metaslab_t *msp = vd->vdev_ms[m];
2261 mutex_enter(&msp->ms_lock);
2262 space_map_unload(msp->ms_map);
2263 VERIFY(space_map_load(msp->ms_map,
2264 &zdb_space_map_ops, SM_ALLOC, &msp->ms_smo,
2265 spa->spa_meta_objset) == 0);
2266 msp->ms_map->sm_ppd = vd;
2267 mutex_exit(&msp->ms_lock);
2272 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
2274 zdb_ddt_leak_init(spa, zcb);
2276 spa_config_exit(spa, SCL_CONFIG, FTAG);
2280 zdb_leak_fini(spa_t *spa)
2282 if (!dump_opt['L']) {
2283 vdev_t *rvd = spa->spa_root_vdev;
2284 for (int c = 0; c < rvd->vdev_children; c++) {
2285 vdev_t *vd = rvd->vdev_child[c];
2286 for (int m = 0; m < vd->vdev_ms_count; m++) {
2287 metaslab_t *msp = vd->vdev_ms[m];
2288 mutex_enter(&msp->ms_lock);
2289 space_map_unload(msp->ms_map);
2290 mutex_exit(&msp->ms_lock);
2298 count_block_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
2300 zdb_cb_t *zcb = arg;
2302 if (dump_opt['b'] >= 5) {
2303 char blkbuf[BP_SPRINTF_LEN];
2304 sprintf_blkptr(blkbuf, bp);
2305 (void) printf("[%s] %s\n",
2306 "deferred free", blkbuf);
2308 zdb_count_block(zcb, NULL, bp, ZDB_OT_DEFERRED);
2313 dump_block_stats(spa_t *spa)
2315 zdb_cb_t zcb = { 0 };
2316 zdb_blkstats_t *zb, *tzb;
2317 uint64_t norm_alloc, norm_space, total_alloc, total_found;
2318 int flags = TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA | TRAVERSE_HARD;
2321 (void) printf("\nTraversing all blocks %s%s%s%s%s...\n\n",
2322 (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "",
2323 (dump_opt['c'] == 1) ? "metadata " : "",
2324 dump_opt['c'] ? "checksums " : "",
2325 (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "",
2326 !dump_opt['L'] ? "nothing leaked " : "");
2329 * Load all space maps as SM_ALLOC maps, then traverse the pool
2330 * claiming each block we discover. If the pool is perfectly
2331 * consistent, the space maps will be empty when we're done.
2332 * Anything left over is a leak; any block we can't claim (because
2333 * it's not part of any space map) is a double allocation,
2334 * reference to a freed block, or an unclaimed log block.
2336 zdb_leak_init(spa, &zcb);
2339 * If there's a deferred-free bplist, process that first.
2341 (void) bpobj_iterate_nofree(&spa->spa_deferred_bpobj,
2342 count_block_cb, &zcb, NULL);
2343 if (spa_version(spa) >= SPA_VERSION_DEADLISTS) {
2344 (void) bpobj_iterate_nofree(&spa->spa_dsl_pool->dp_free_bpobj,
2345 count_block_cb, &zcb, NULL);
2347 if (spa_feature_is_active(spa,
2348 &spa_feature_table[SPA_FEATURE_ASYNC_DESTROY])) {
2349 VERIFY3U(0, ==, bptree_iterate(spa->spa_meta_objset,
2350 spa->spa_dsl_pool->dp_bptree_obj, B_FALSE, count_block_cb,
2354 if (dump_opt['c'] > 1)
2355 flags |= TRAVERSE_PREFETCH_DATA;
2357 zcb.zcb_totalasize = metaslab_class_get_alloc(spa_normal_class(spa));
2358 zcb.zcb_start = zcb.zcb_lastprint = gethrtime();
2359 zcb.zcb_haderrors |= traverse_pool(spa, 0, flags, zdb_blkptr_cb, &zcb);
2361 if (zcb.zcb_haderrors) {
2362 (void) printf("\nError counts:\n\n");
2363 (void) printf("\t%5s %s\n", "errno", "count");
2364 for (int e = 0; e < 256; e++) {
2365 if (zcb.zcb_errors[e] != 0) {
2366 (void) printf("\t%5d %llu\n",
2367 e, (u_longlong_t)zcb.zcb_errors[e]);
2373 * Report any leaked segments.
2377 tzb = &zcb.zcb_type[ZB_TOTAL][ZDB_OT_TOTAL];
2379 norm_alloc = metaslab_class_get_alloc(spa_normal_class(spa));
2380 norm_space = metaslab_class_get_space(spa_normal_class(spa));
2382 total_alloc = norm_alloc + metaslab_class_get_alloc(spa_log_class(spa));
2383 total_found = tzb->zb_asize - zcb.zcb_dedup_asize;
2385 if (total_found == total_alloc) {
2387 (void) printf("\n\tNo leaks (block sum matches space"
2388 " maps exactly)\n");
2390 (void) printf("block traversal size %llu != alloc %llu "
2392 (u_longlong_t)total_found,
2393 (u_longlong_t)total_alloc,
2394 (dump_opt['L']) ? "unreachable" : "leaked",
2395 (longlong_t)(total_alloc - total_found));
2399 if (tzb->zb_count == 0)
2402 (void) printf("\n");
2403 (void) printf("\tbp count: %10llu\n",
2404 (u_longlong_t)tzb->zb_count);
2405 (void) printf("\tbp logical: %10llu avg: %6llu\n",
2406 (u_longlong_t)tzb->zb_lsize,
2407 (u_longlong_t)(tzb->zb_lsize / tzb->zb_count));
2408 (void) printf("\tbp physical: %10llu avg:"
2409 " %6llu compression: %6.2f\n",
2410 (u_longlong_t)tzb->zb_psize,
2411 (u_longlong_t)(tzb->zb_psize / tzb->zb_count),
2412 (double)tzb->zb_lsize / tzb->zb_psize);
2413 (void) printf("\tbp allocated: %10llu avg:"
2414 " %6llu compression: %6.2f\n",
2415 (u_longlong_t)tzb->zb_asize,
2416 (u_longlong_t)(tzb->zb_asize / tzb->zb_count),
2417 (double)tzb->zb_lsize / tzb->zb_asize);
2418 (void) printf("\tbp deduped: %10llu ref>1:"
2419 " %6llu deduplication: %6.2f\n",
2420 (u_longlong_t)zcb.zcb_dedup_asize,
2421 (u_longlong_t)zcb.zcb_dedup_blocks,
2422 (double)zcb.zcb_dedup_asize / tzb->zb_asize + 1.0);
2423 (void) printf("\tSPA allocated: %10llu used: %5.2f%%\n",
2424 (u_longlong_t)norm_alloc, 100.0 * norm_alloc / norm_space);
2426 if (dump_opt['b'] >= 2) {
2428 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE"
2429 "\t avg\t comp\t%%Total\tType\n");
2431 for (t = 0; t <= ZDB_OT_TOTAL; t++) {
2432 char csize[32], lsize[32], psize[32], asize[32];
2436 if (t < DMU_OT_NUMTYPES)
2437 typename = dmu_ot[t].ot_name;
2439 typename = zdb_ot_extname[t - DMU_OT_NUMTYPES];
2441 if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) {
2442 (void) printf("%6s\t%5s\t%5s\t%5s"
2443 "\t%5s\t%5s\t%6s\t%s\n",
2455 for (l = ZB_TOTAL - 1; l >= -1; l--) {
2456 level = (l == -1 ? ZB_TOTAL : l);
2457 zb = &zcb.zcb_type[level][t];
2459 if (zb->zb_asize == 0)
2462 if (dump_opt['b'] < 3 && level != ZB_TOTAL)
2465 if (level == 0 && zb->zb_asize ==
2466 zcb.zcb_type[ZB_TOTAL][t].zb_asize)
2469 zdb_nicenum(zb->zb_count, csize);
2470 zdb_nicenum(zb->zb_lsize, lsize);
2471 zdb_nicenum(zb->zb_psize, psize);
2472 zdb_nicenum(zb->zb_asize, asize);
2473 zdb_nicenum(zb->zb_asize / zb->zb_count, avg);
2475 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s"
2477 csize, lsize, psize, asize, avg,
2478 (double)zb->zb_lsize / zb->zb_psize,
2479 100.0 * zb->zb_asize / tzb->zb_asize);
2481 if (level == ZB_TOTAL)
2482 (void) printf("%s\n", typename);
2484 (void) printf(" L%d %s\n",
2487 if (dump_opt['b'] >= 4) {
2488 (void) printf("psize "
2489 "(in 512-byte sectors): "
2490 "number of blocks\n");
2491 dump_histogram(zb->zb_psize_histogram,
2498 (void) printf("\n");
2503 if (zcb.zcb_haderrors)
2509 typedef struct zdb_ddt_entry {
2511 uint64_t zdde_ref_blocks;
2512 uint64_t zdde_ref_lsize;
2513 uint64_t zdde_ref_psize;
2514 uint64_t zdde_ref_dsize;
2515 avl_node_t zdde_node;
2520 zdb_ddt_add_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
2521 const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
2523 avl_tree_t *t = arg;
2525 zdb_ddt_entry_t *zdde, zdde_search;
2530 if (dump_opt['S'] > 1 && zb->zb_level == ZB_ROOT_LEVEL) {
2531 (void) printf("traversing objset %llu, %llu objects, "
2532 "%lu blocks so far\n",
2533 (u_longlong_t)zb->zb_objset,
2534 (u_longlong_t)bp->blk_fill,
2538 if (BP_IS_HOLE(bp) || BP_GET_CHECKSUM(bp) == ZIO_CHECKSUM_OFF ||
2539 BP_GET_LEVEL(bp) > 0 || DMU_OT_IS_METADATA(BP_GET_TYPE(bp)))
2542 ddt_key_fill(&zdde_search.zdde_key, bp);
2544 zdde = avl_find(t, &zdde_search, &where);
2547 zdde = umem_zalloc(sizeof (*zdde), UMEM_NOFAIL);
2548 zdde->zdde_key = zdde_search.zdde_key;
2549 avl_insert(t, zdde, where);
2552 zdde->zdde_ref_blocks += 1;
2553 zdde->zdde_ref_lsize += BP_GET_LSIZE(bp);
2554 zdde->zdde_ref_psize += BP_GET_PSIZE(bp);
2555 zdde->zdde_ref_dsize += bp_get_dsize_sync(spa, bp);
2561 dump_simulated_ddt(spa_t *spa)
2564 void *cookie = NULL;
2565 zdb_ddt_entry_t *zdde;
2566 ddt_histogram_t ddh_total = { 0 };
2567 ddt_stat_t dds_total = { 0 };
2569 avl_create(&t, ddt_entry_compare,
2570 sizeof (zdb_ddt_entry_t), offsetof(zdb_ddt_entry_t, zdde_node));
2572 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
2574 (void) traverse_pool(spa, 0, TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA,
2575 zdb_ddt_add_cb, &t);
2577 spa_config_exit(spa, SCL_CONFIG, FTAG);
2579 while ((zdde = avl_destroy_nodes(&t, &cookie)) != NULL) {
2581 uint64_t refcnt = zdde->zdde_ref_blocks;
2582 ASSERT(refcnt != 0);
2584 dds.dds_blocks = zdde->zdde_ref_blocks / refcnt;
2585 dds.dds_lsize = zdde->zdde_ref_lsize / refcnt;
2586 dds.dds_psize = zdde->zdde_ref_psize / refcnt;
2587 dds.dds_dsize = zdde->zdde_ref_dsize / refcnt;
2589 dds.dds_ref_blocks = zdde->zdde_ref_blocks;
2590 dds.dds_ref_lsize = zdde->zdde_ref_lsize;
2591 dds.dds_ref_psize = zdde->zdde_ref_psize;
2592 dds.dds_ref_dsize = zdde->zdde_ref_dsize;
2594 ddt_stat_add(&ddh_total.ddh_stat[highbit(refcnt) - 1], &dds, 0);
2596 umem_free(zdde, sizeof (*zdde));
2601 ddt_histogram_stat(&dds_total, &ddh_total);
2603 (void) printf("Simulated DDT histogram:\n");
2605 zpool_dump_ddt(&dds_total, &ddh_total);
2607 dump_dedup_ratio(&dds_total);
2611 dump_zpool(spa_t *spa)
2613 dsl_pool_t *dp = spa_get_dsl(spa);
2616 if (dump_opt['S']) {
2617 dump_simulated_ddt(spa);
2621 if (!dump_opt['e'] && dump_opt['C'] > 1) {
2622 (void) printf("\nCached configuration:\n");
2623 dump_nvlist(spa->spa_config, 8);
2630 dump_uberblock(&spa->spa_uberblock, "\nUberblock:\n", "\n");
2635 if (dump_opt['d'] > 2 || dump_opt['m'])
2636 dump_metaslabs(spa);
2638 if (dump_opt['d'] || dump_opt['i']) {
2639 dump_dir(dp->dp_meta_objset);
2640 if (dump_opt['d'] >= 3) {
2641 dump_bpobj(&spa->spa_deferred_bpobj,
2642 "Deferred frees", 0);
2643 if (spa_version(spa) >= SPA_VERSION_DEADLISTS) {
2644 dump_bpobj(&spa->spa_dsl_pool->dp_free_bpobj,
2645 "Pool snapshot frees", 0);
2648 if (spa_feature_is_active(spa,
2649 &spa_feature_table[SPA_FEATURE_ASYNC_DESTROY])) {
2650 dump_bptree(spa->spa_meta_objset,
2651 spa->spa_dsl_pool->dp_bptree_obj,
2652 "Pool dataset frees");
2654 dump_dtl(spa->spa_root_vdev, 0);
2656 (void) dmu_objset_find(spa_name(spa), dump_one_dir,
2657 NULL, DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN);
2659 if (dump_opt['b'] || dump_opt['c'])
2660 rc = dump_block_stats(spa);
2663 show_pool_stats(spa);
2672 #define ZDB_FLAG_CHECKSUM 0x0001
2673 #define ZDB_FLAG_DECOMPRESS 0x0002
2674 #define ZDB_FLAG_BSWAP 0x0004
2675 #define ZDB_FLAG_GBH 0x0008
2676 #define ZDB_FLAG_INDIRECT 0x0010
2677 #define ZDB_FLAG_PHYS 0x0020
2678 #define ZDB_FLAG_RAW 0x0040
2679 #define ZDB_FLAG_PRINT_BLKPTR 0x0080
2684 zdb_print_blkptr(blkptr_t *bp, int flags)
2686 char blkbuf[BP_SPRINTF_LEN];
2688 if (flags & ZDB_FLAG_BSWAP)
2689 byteswap_uint64_array((void *)bp, sizeof (blkptr_t));
2691 sprintf_blkptr(blkbuf, bp);
2692 (void) printf("%s\n", blkbuf);
2696 zdb_dump_indirect(blkptr_t *bp, int nbps, int flags)
2700 for (i = 0; i < nbps; i++)
2701 zdb_print_blkptr(&bp[i], flags);
2705 zdb_dump_gbh(void *buf, int flags)
2707 zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags);
2711 zdb_dump_block_raw(void *buf, uint64_t size, int flags)
2713 if (flags & ZDB_FLAG_BSWAP)
2714 byteswap_uint64_array(buf, size);
2715 (void) write(1, buf, size);
2719 zdb_dump_block(char *label, void *buf, uint64_t size, int flags)
2721 uint64_t *d = (uint64_t *)buf;
2722 int nwords = size / sizeof (uint64_t);
2723 int do_bswap = !!(flags & ZDB_FLAG_BSWAP);
2729 hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8";
2731 hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f";
2733 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr);
2735 for (i = 0; i < nwords; i += 2) {
2736 (void) printf("%06llx: %016llx %016llx ",
2737 (u_longlong_t)(i * sizeof (uint64_t)),
2738 (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]),
2739 (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1]));
2742 for (j = 0; j < 2 * sizeof (uint64_t); j++)
2743 (void) printf("%c", isprint(c[j]) ? c[j] : '.');
2744 (void) printf("\n");
2749 * There are two acceptable formats:
2750 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a
2751 * child[.child]* - For example: 0.1.1
2753 * The second form can be used to specify arbitrary vdevs anywhere
2754 * in the heirarchy. For example, in a pool with a mirror of
2755 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 .
2758 zdb_vdev_lookup(vdev_t *vdev, char *path)
2766 /* First, assume the x.x.x.x format */
2767 i = (int)strtoul(path, &s, 10);
2768 if (s == path || (s && *s != '.' && *s != '\0'))
2770 if (i < 0 || i >= vdev->vdev_children)
2773 vdev = vdev->vdev_child[i];
2776 return (zdb_vdev_lookup(vdev, s+1));
2779 for (i = 0; i < vdev->vdev_children; i++) {
2780 vdev_t *vc = vdev->vdev_child[i];
2782 if (vc->vdev_path == NULL) {
2783 vc = zdb_vdev_lookup(vc, path);
2790 p = strrchr(vc->vdev_path, '/');
2791 p = p ? p + 1 : vc->vdev_path;
2792 q = &vc->vdev_path[strlen(vc->vdev_path) - 2];
2794 if (strcmp(vc->vdev_path, path) == 0)
2796 if (strcmp(p, path) == 0)
2798 if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0)
2806 * Read a block from a pool and print it out. The syntax of the
2807 * block descriptor is:
2809 * pool:vdev_specifier:offset:size[:flags]
2811 * pool - The name of the pool you wish to read from
2812 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup)
2813 * offset - offset, in hex, in bytes
2814 * size - Amount of data to read, in hex, in bytes
2815 * flags - A string of characters specifying options
2816 * b: Decode a blkptr at given offset within block
2817 * *c: Calculate and display checksums
2818 * d: Decompress data before dumping
2819 * e: Byteswap data before dumping
2820 * g: Display data as a gang block header
2821 * i: Display as an indirect block
2822 * p: Do I/O to physical offset
2823 * r: Dump raw data to stdout
2825 * * = not yet implemented
2828 zdb_read_block(char *thing, spa_t *spa)
2830 blkptr_t blk, *bp = &blk;
2831 dva_t *dva = bp->blk_dva;
2833 uint64_t offset = 0, size = 0, psize = 0, lsize = 0, blkptr_offset = 0;
2836 void *pbuf, *lbuf, *buf;
2837 char *s, *p, *dup, *vdev, *flagstr;
2840 dup = strdup(thing);
2841 s = strtok(dup, ":");
2843 s = strtok(NULL, ":");
2844 offset = strtoull(s ? s : "", NULL, 16);
2845 s = strtok(NULL, ":");
2846 size = strtoull(s ? s : "", NULL, 16);
2847 s = strtok(NULL, ":");
2848 flagstr = s ? s : "";
2852 s = "size must not be zero";
2853 if (!IS_P2ALIGNED(size, DEV_BSIZE))
2854 s = "size must be a multiple of sector size";
2855 if (!IS_P2ALIGNED(offset, DEV_BSIZE))
2856 s = "offset must be a multiple of sector size";
2858 (void) printf("Invalid block specifier: %s - %s\n", thing, s);
2863 for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) {
2864 for (i = 0; flagstr[i]; i++) {
2865 int bit = flagbits[(uchar_t)flagstr[i]];
2868 (void) printf("***Invalid flag: %c\n",
2874 /* If it's not something with an argument, keep going */
2875 if ((bit & (ZDB_FLAG_CHECKSUM |
2876 ZDB_FLAG_PRINT_BLKPTR)) == 0)
2879 p = &flagstr[i + 1];
2880 if (bit == ZDB_FLAG_PRINT_BLKPTR)
2881 blkptr_offset = strtoull(p, &p, 16);
2882 if (*p != ':' && *p != '\0') {
2883 (void) printf("***Invalid flag arg: '%s'\n", s);
2890 vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev);
2892 (void) printf("***Invalid vdev: %s\n", vdev);
2897 (void) fprintf(stderr, "Found vdev: %s\n",
2900 (void) fprintf(stderr, "Found vdev type: %s\n",
2901 vd->vdev_ops->vdev_op_type);
2907 pbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2908 lbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2912 DVA_SET_VDEV(&dva[0], vd->vdev_id);
2913 DVA_SET_OFFSET(&dva[0], offset);
2914 DVA_SET_GANG(&dva[0], !!(flags & ZDB_FLAG_GBH));
2915 DVA_SET_ASIZE(&dva[0], vdev_psize_to_asize(vd, psize));
2917 BP_SET_BIRTH(bp, TXG_INITIAL, TXG_INITIAL);
2919 BP_SET_LSIZE(bp, lsize);
2920 BP_SET_PSIZE(bp, psize);
2921 BP_SET_COMPRESS(bp, ZIO_COMPRESS_OFF);
2922 BP_SET_CHECKSUM(bp, ZIO_CHECKSUM_OFF);
2923 BP_SET_TYPE(bp, DMU_OT_NONE);
2924 BP_SET_LEVEL(bp, 0);
2925 BP_SET_DEDUP(bp, 0);
2926 BP_SET_BYTEORDER(bp, ZFS_HOST_BYTEORDER);
2928 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER);
2929 zio = zio_root(spa, NULL, NULL, 0);
2931 if (vd == vd->vdev_top) {
2933 * Treat this as a normal block read.
2935 zio_nowait(zio_read(zio, spa, bp, pbuf, psize, NULL, NULL,
2936 ZIO_PRIORITY_SYNC_READ,
2937 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL));
2940 * Treat this as a vdev child I/O.
2942 zio_nowait(zio_vdev_child_io(zio, bp, vd, offset, pbuf, psize,
2943 ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ,
2944 ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE |
2945 ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY |
2946 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL, NULL));
2949 error = zio_wait(zio);
2950 spa_config_exit(spa, SCL_STATE, FTAG);
2953 (void) printf("Read of %s failed, error: %d\n", thing, error);
2957 if (flags & ZDB_FLAG_DECOMPRESS) {
2959 * We don't know how the data was compressed, so just try
2960 * every decompress function at every inflated blocksize.
2962 enum zio_compress c;
2963 void *pbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2964 void *lbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2966 bcopy(pbuf, pbuf2, psize);
2968 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf + psize,
2969 SPA_MAXBLOCKSIZE - psize) == 0);
2971 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf2 + psize,
2972 SPA_MAXBLOCKSIZE - psize) == 0);
2974 for (lsize = SPA_MAXBLOCKSIZE; lsize > psize;
2975 lsize -= SPA_MINBLOCKSIZE) {
2976 for (c = 0; c < ZIO_COMPRESS_FUNCTIONS; c++) {
2977 if (zio_decompress_data(c, pbuf, lbuf,
2978 psize, lsize) == 0 &&
2979 zio_decompress_data(c, pbuf2, lbuf2,
2980 psize, lsize) == 0 &&
2981 bcmp(lbuf, lbuf2, lsize) == 0)
2984 if (c != ZIO_COMPRESS_FUNCTIONS)
2986 lsize -= SPA_MINBLOCKSIZE;
2989 umem_free(pbuf2, SPA_MAXBLOCKSIZE);
2990 umem_free(lbuf2, SPA_MAXBLOCKSIZE);
2992 if (lsize <= psize) {
2993 (void) printf("Decompress of %s failed\n", thing);
3003 if (flags & ZDB_FLAG_PRINT_BLKPTR)
3004 zdb_print_blkptr((blkptr_t *)(void *)
3005 ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags);
3006 else if (flags & ZDB_FLAG_RAW)
3007 zdb_dump_block_raw(buf, size, flags);
3008 else if (flags & ZDB_FLAG_INDIRECT)
3009 zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t),
3011 else if (flags & ZDB_FLAG_GBH)
3012 zdb_dump_gbh(buf, flags);
3014 zdb_dump_block(thing, buf, size, flags);
3017 umem_free(pbuf, SPA_MAXBLOCKSIZE);
3018 umem_free(lbuf, SPA_MAXBLOCKSIZE);
3023 pool_match(nvlist_t *cfg, char *tgt)
3025 uint64_t v, guid = strtoull(tgt, NULL, 0);
3029 if (nvlist_lookup_uint64(cfg, ZPOOL_CONFIG_POOL_GUID, &v) == 0)
3032 if (nvlist_lookup_string(cfg, ZPOOL_CONFIG_POOL_NAME, &s) == 0)
3033 return (strcmp(s, tgt) == 0);
3039 find_zpool(char **target, nvlist_t **configp, int dirc, char **dirv)
3042 nvlist_t *match = NULL;
3047 importargs_t args = { 0 };
3051 args.can_be_active = B_TRUE;
3053 if ((sepp = strpbrk(*target, "/@")) != NULL) {
3058 pools = zpool_search_import(g_zfs, &args);
3060 if (pools != NULL) {
3061 nvpair_t *elem = NULL;
3062 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) {
3063 verify(nvpair_value_nvlist(elem, configp) == 0);
3064 if (pool_match(*configp, *target)) {
3066 if (match != NULL) {
3067 /* print previously found config */
3069 (void) printf("%s\n", name);
3070 dump_nvlist(match, 8);
3073 (void) printf("%s\n",
3075 dump_nvlist(*configp, 8);
3078 name = nvpair_name(elem);
3084 (void) fatal("\tMatched %d pools - use pool GUID "
3085 "instead of pool name or \n"
3086 "\tpool name part of a dataset name to select pool", count);
3091 * If pool GUID was specified for pool id, replace it with pool name
3093 if (name && (strstr(*target, name) != *target)) {
3094 int sz = 1 + strlen(name) + ((sepp) ? strlen(sepp) : 0);
3096 *target = umem_alloc(sz, UMEM_NOFAIL);
3097 (void) snprintf(*target, sz, "%s%s", name, sepp ? sepp : "");
3100 *configp = name ? match : NULL;
3106 main(int argc, char **argv)
3109 struct rlimit rl = { 1024, 1024 };
3111 objset_t *os = NULL;
3115 char **searchdirs = NULL;
3118 nvlist_t *policy = NULL;
3119 uint64_t max_txg = UINT64_MAX;
3120 int rewind = ZPOOL_NEVER_REWIND;
3122 (void) setrlimit(RLIMIT_NOFILE, &rl);
3123 (void) enable_extended_FILE_stdio(-1, -1);
3125 dprintf_setup(&argc, argv);
3127 while ((c = getopt(argc, argv, "bcdhilmsuCDRSAFLXevp:t:U:P")) != -1) {
3157 if (searchdirs == NULL) {
3158 searchdirs = umem_alloc(sizeof (char *),
3161 char **tmp = umem_alloc((nsearch + 1) *
3162 sizeof (char *), UMEM_NOFAIL);
3163 bcopy(searchdirs, tmp, nsearch *
3165 umem_free(searchdirs,
3166 nsearch * sizeof (char *));
3169 searchdirs[nsearch++] = optarg;
3172 max_txg = strtoull(optarg, NULL, 0);
3173 if (max_txg < TXG_INITIAL) {
3174 (void) fprintf(stderr, "incorrect txg "
3175 "specified: %s\n", optarg);
3180 spa_config_path = optarg;
3188 if (!dump_opt['e'] && searchdirs != NULL) {
3189 (void) fprintf(stderr, "-p option requires use of -e\n");
3194 g_zfs = libzfs_init();
3195 ASSERT(g_zfs != NULL);
3198 verbose = MAX(verbose, 1);
3200 for (c = 0; c < 256; c++) {
3201 if (dump_all && !strchr("elAFLRSXP", c))
3204 dump_opt[c] += verbose;
3207 aok = (dump_opt['A'] == 1) || (dump_opt['A'] > 2);
3208 zfs_recover = (dump_opt['A'] > 1);
3213 if (argc < 2 && dump_opt['R'])
3216 if (!dump_opt['e'] && dump_opt['C']) {
3217 dump_cachefile(spa_config_path);
3223 if (dump_opt['l']) {
3224 dump_label(argv[0]);
3228 if (dump_opt['X'] || dump_opt['F'])
3229 rewind = ZPOOL_DO_REWIND |
3230 (dump_opt['X'] ? ZPOOL_EXTREME_REWIND : 0);
3232 if (nvlist_alloc(&policy, NV_UNIQUE_NAME_TYPE, 0) != 0 ||
3233 nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, max_txg) != 0 ||
3234 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind) != 0)
3235 fatal("internal error: %s", strerror(ENOMEM));
3240 if (dump_opt['e']) {
3241 nvlist_t *cfg = NULL;
3242 char *name = find_zpool(&target, &cfg, nsearch, searchdirs);
3246 if (dump_opt['C'] > 1) {
3247 (void) printf("\nConfiguration for import:\n");
3248 dump_nvlist(cfg, 8);
3250 if (nvlist_add_nvlist(cfg,
3251 ZPOOL_REWIND_POLICY, policy) != 0) {
3252 fatal("can't open '%s': %s",
3253 target, strerror(ENOMEM));
3255 if ((error = spa_import(name, cfg, NULL,
3256 ZFS_IMPORT_MISSING_LOG)) != 0) {
3257 error = spa_import(name, cfg, NULL,
3258 ZFS_IMPORT_VERBATIM);
3264 if (strpbrk(target, "/@") == NULL || dump_opt['R']) {
3265 error = spa_open_rewind(target, &spa, FTAG, policy,
3269 * If we're missing the log device then
3270 * try opening the pool after clearing the
3273 mutex_enter(&spa_namespace_lock);
3274 if ((spa = spa_lookup(target)) != NULL &&
3275 spa->spa_log_state == SPA_LOG_MISSING) {
3276 spa->spa_log_state = SPA_LOG_CLEAR;
3279 mutex_exit(&spa_namespace_lock);
3282 error = spa_open_rewind(target, &spa,
3283 FTAG, policy, NULL);
3287 error = dmu_objset_own(target, DMU_OST_ANY,
3291 nvlist_free(policy);
3294 fatal("can't open '%s': %s", target, strerror(error));
3298 if (!dump_opt['R']) {
3300 zopt_objects = argc;
3301 zopt_object = calloc(zopt_objects, sizeof (uint64_t));
3302 for (i = 0; i < zopt_objects; i++) {
3304 zopt_object[i] = strtoull(argv[i], NULL, 0);
3305 if (zopt_object[i] == 0 && errno != 0)
3306 fatal("bad number %s: %s",
3307 argv[i], strerror(errno));
3312 } else if (zopt_objects > 0 && !dump_opt['m']) {
3313 dump_dir(spa->spa_meta_objset);
3318 flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR;
3319 flagbits['c'] = ZDB_FLAG_CHECKSUM;
3320 flagbits['d'] = ZDB_FLAG_DECOMPRESS;
3321 flagbits['e'] = ZDB_FLAG_BSWAP;
3322 flagbits['g'] = ZDB_FLAG_GBH;
3323 flagbits['i'] = ZDB_FLAG_INDIRECT;
3324 flagbits['p'] = ZDB_FLAG_PHYS;
3325 flagbits['r'] = ZDB_FLAG_RAW;
3327 for (i = 0; i < argc; i++)
3328 zdb_read_block(argv[i], spa);
3331 (os != NULL) ? dmu_objset_disown(os, FTAG) : spa_close(spa, FTAG);
3333 fuid_table_destroy();
3334 sa_loaded = B_FALSE;