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) 2011, 2016 by Delphix. All rights reserved.
25 * Copyright (c) 2014 Integros [integros.com]
26 * Copyright 2016 Nexenta Systems, Inc.
27 * Copyright (c) 2017 Lawrence Livermore National Security, LLC.
28 * Copyright (c) 2015, 2017, Intel Corporation.
33 #include <stdio_ext.h>
36 #include <sys/zfs_context.h>
38 #include <sys/spa_impl.h>
41 #include <sys/fs/zfs.h>
42 #include <sys/zfs_znode.h>
43 #include <sys/zfs_sa.h>
45 #include <sys/sa_impl.h>
47 #include <sys/vdev_impl.h>
48 #include <sys/metaslab_impl.h>
49 #include <sys/dmu_objset.h>
50 #include <sys/dsl_dir.h>
51 #include <sys/dsl_dataset.h>
52 #include <sys/dsl_pool.h>
55 #include <sys/zil_impl.h>
57 #include <sys/resource.h>
58 #include <sys/dmu_traverse.h>
59 #include <sys/zio_checksum.h>
60 #include <sys/zio_compress.h>
61 #include <sys/zfs_fuid.h>
64 #include <sys/zfeature.h>
66 #include <sys/blkptr.h>
67 #include <sys/dsl_crypt.h>
68 #include <zfs_comutil.h>
73 #define ZDB_COMPRESS_NAME(idx) ((idx) < ZIO_COMPRESS_FUNCTIONS ? \
74 zio_compress_table[(idx)].ci_name : "UNKNOWN")
75 #define ZDB_CHECKSUM_NAME(idx) ((idx) < ZIO_CHECKSUM_FUNCTIONS ? \
76 zio_checksum_table[(idx)].ci_name : "UNKNOWN")
77 #define ZDB_OT_TYPE(idx) ((idx) < DMU_OT_NUMTYPES ? (idx) : \
78 (((idx) == DMU_OTN_ZAP_DATA || (idx) == DMU_OTN_ZAP_METADATA) ? \
79 DMU_OT_ZAP_OTHER : DMU_OT_NUMTYPES))
82 zdb_ot_name(dmu_object_type_t type
)
84 if (type
< DMU_OT_NUMTYPES
)
85 return (dmu_ot
[type
].ot_name
);
86 else if ((type
& DMU_OT_NEWTYPE
) &&
87 ((type
& DMU_OT_BYTESWAP_MASK
) < DMU_BSWAP_NUMFUNCS
))
88 return (dmu_ot_byteswap
[type
& DMU_OT_BYTESWAP_MASK
].ob_name
);
93 extern int reference_tracking_enable
;
94 extern int zfs_recover
;
95 extern uint64_t zfs_arc_max
, zfs_arc_meta_limit
;
96 extern int zfs_vdev_async_read_max_active
;
98 static const char cmdname
[] = "zdb";
99 uint8_t dump_opt
[256];
101 typedef void object_viewer_t(objset_t
*, uint64_t, void *data
, size_t size
);
103 uint64_t *zopt_object
= NULL
;
104 static unsigned zopt_objects
= 0;
105 libzfs_handle_t
*g_zfs
;
106 uint64_t max_inflight
= 1000;
108 static void snprintf_blkptr_compact(char *, size_t, const blkptr_t
*);
111 * These libumem hooks provide a reasonable set of defaults for the allocator's
112 * debugging facilities.
115 _umem_debug_init(void)
117 return ("default,verbose"); /* $UMEM_DEBUG setting */
121 _umem_logging_init(void)
123 return ("fail,contents"); /* $UMEM_LOGGING setting */
129 (void) fprintf(stderr
,
130 "Usage:\t%s [-AbcdDFGhiLMPsvX] [-e [-V] [-p <path> ...]] "
131 "[-I <inflight I/Os>]\n"
132 "\t\t[-o <var>=<value>]... [-t <txg>] [-U <cache>] [-x <dumpdir>]\n"
133 "\t\t[<poolname> [<object> ...]]\n"
134 "\t%s [-AdiPv] [-e [-V] [-p <path> ...]] [-U <cache>] <dataset>\n"
135 "\t\t[<object> ...]\n"
136 "\t%s -C [-A] [-U <cache>]\n"
137 "\t%s -l [-Aqu] <device>\n"
138 "\t%s -m [-AFLPX] [-e [-V] [-p <path> ...]] [-t <txg>] "
139 "[-U <cache>]\n\t\t<poolname> [<vdev> [<metaslab> ...]]\n"
140 "\t%s -O <dataset> <path>\n"
141 "\t%s -R [-A] [-e [-V] [-p <path> ...]] [-U <cache>]\n"
142 "\t\t<poolname> <vdev>:<offset>:<size>[:<flags>]\n"
143 "\t%s -E [-A] word0:word1:...:word15\n"
144 "\t%s -S [-AP] [-e [-V] [-p <path> ...]] [-U <cache>] "
146 cmdname
, cmdname
, cmdname
, cmdname
, cmdname
, cmdname
, cmdname
,
149 (void) fprintf(stderr
, " Dataset name must include at least one "
150 "separator character '/' or '@'\n");
151 (void) fprintf(stderr
, " If dataset name is specified, only that "
152 "dataset is dumped\n");
153 (void) fprintf(stderr
, " If object numbers are specified, only "
154 "those objects are dumped\n\n");
155 (void) fprintf(stderr
, " Options to control amount of output:\n");
156 (void) fprintf(stderr
, " -b block statistics\n");
157 (void) fprintf(stderr
, " -c checksum all metadata (twice for "
158 "all data) blocks\n");
159 (void) fprintf(stderr
, " -C config (or cachefile if alone)\n");
160 (void) fprintf(stderr
, " -d dataset(s)\n");
161 (void) fprintf(stderr
, " -D dedup statistics\n");
162 (void) fprintf(stderr
, " -E decode and display block from an "
163 "embedded block pointer\n");
164 (void) fprintf(stderr
, " -h pool history\n");
165 (void) fprintf(stderr
, " -i intent logs\n");
166 (void) fprintf(stderr
, " -l read label contents\n");
167 (void) fprintf(stderr
, " -L disable leak tracking (do not "
168 "load spacemaps)\n");
169 (void) fprintf(stderr
, " -m metaslabs\n");
170 (void) fprintf(stderr
, " -M metaslab groups\n");
171 (void) fprintf(stderr
, " -O perform object lookups by path\n");
172 (void) fprintf(stderr
, " -R read and display block from a "
174 (void) fprintf(stderr
, " -s report stats on zdb's I/O\n");
175 (void) fprintf(stderr
, " -S simulate dedup to measure effect\n");
176 (void) fprintf(stderr
, " -v verbose (applies to all "
178 (void) fprintf(stderr
, " Below options are intended for use "
179 "with other options:\n");
180 (void) fprintf(stderr
, " -A ignore assertions (-A), enable "
181 "panic recovery (-AA) or both (-AAA)\n");
182 (void) fprintf(stderr
, " -e pool is exported/destroyed/"
183 "has altroot/not in a cachefile\n");
184 (void) fprintf(stderr
, " -F attempt automatic rewind within "
185 "safe range of transaction groups\n");
186 (void) fprintf(stderr
, " -G dump zfs_dbgmsg buffer before "
188 (void) fprintf(stderr
, " -I <number of inflight I/Os> -- "
189 "specify the maximum number of\n "
190 "checksumming I/Os [default is 200]\n");
191 (void) fprintf(stderr
, " -o <variable>=<value> set global "
192 "variable to an unsigned 32-bit integer\n");
193 (void) fprintf(stderr
, " -p <path> -- use one or more with "
194 "-e to specify path to vdev dir\n");
195 (void) fprintf(stderr
, " -P print numbers in parseable form\n");
196 (void) fprintf(stderr
, " -q don't print label contents\n");
197 (void) fprintf(stderr
, " -t <txg> -- highest txg to use when "
198 "searching for uberblocks\n");
199 (void) fprintf(stderr
, " -u uberblock\n");
200 (void) fprintf(stderr
, " -U <cachefile_path> -- use alternate "
202 (void) fprintf(stderr
, " -V do verbatim import\n");
203 (void) fprintf(stderr
, " -x <dumpdir> -- "
204 "dump all read blocks into specified directory\n");
205 (void) fprintf(stderr
, " -X attempt extreme rewind (does not "
206 "work with dataset)\n");
207 (void) fprintf(stderr
, "Specify an option more than once (e.g. -bb) "
208 "to make only that option verbose\n");
209 (void) fprintf(stderr
, "Default is to dump everything non-verbosely\n");
214 dump_debug_buffer(void)
218 zfs_dbgmsg_print("zdb");
223 * Called for usage errors that are discovered after a call to spa_open(),
224 * dmu_bonus_hold(), or pool_match(). abort() is called for other errors.
228 fatal(const char *fmt
, ...)
233 (void) fprintf(stderr
, "%s: ", cmdname
);
234 (void) vfprintf(stderr
, fmt
, ap
);
236 (void) fprintf(stderr
, "\n");
245 dump_packed_nvlist(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
248 size_t nvsize
= *(uint64_t *)data
;
249 char *packed
= umem_alloc(nvsize
, UMEM_NOFAIL
);
251 VERIFY(0 == dmu_read(os
, object
, 0, nvsize
, packed
, DMU_READ_PREFETCH
));
253 VERIFY(nvlist_unpack(packed
, nvsize
, &nv
, 0) == 0);
255 umem_free(packed
, nvsize
);
264 dump_history_offsets(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
266 spa_history_phys_t
*shp
= data
;
271 (void) printf("\t\tpool_create_len = %llu\n",
272 (u_longlong_t
)shp
->sh_pool_create_len
);
273 (void) printf("\t\tphys_max_off = %llu\n",
274 (u_longlong_t
)shp
->sh_phys_max_off
);
275 (void) printf("\t\tbof = %llu\n",
276 (u_longlong_t
)shp
->sh_bof
);
277 (void) printf("\t\teof = %llu\n",
278 (u_longlong_t
)shp
->sh_eof
);
279 (void) printf("\t\trecords_lost = %llu\n",
280 (u_longlong_t
)shp
->sh_records_lost
);
284 zdb_nicenum(uint64_t num
, char *buf
, size_t buflen
)
287 (void) snprintf(buf
, buflen
, "%llu", (longlong_t
)num
);
289 nicenum(num
, buf
, sizeof (buf
));
292 static const char histo_stars
[] = "****************************************";
293 static const uint64_t histo_width
= sizeof (histo_stars
) - 1;
296 dump_histogram(const uint64_t *histo
, int size
, int offset
)
299 int minidx
= size
- 1;
303 for (i
= 0; i
< size
; i
++) {
306 if (histo
[i
] > 0 && i
> maxidx
)
308 if (histo
[i
] > 0 && i
< minidx
)
312 if (max
< histo_width
)
315 for (i
= minidx
; i
<= maxidx
; i
++) {
316 (void) printf("\t\t\t%3u: %6llu %s\n",
317 i
+ offset
, (u_longlong_t
)histo
[i
],
318 &histo_stars
[(max
- histo
[i
]) * histo_width
/ max
]);
323 dump_zap_stats(objset_t
*os
, uint64_t object
)
328 error
= zap_get_stats(os
, object
, &zs
);
332 if (zs
.zs_ptrtbl_len
== 0) {
333 ASSERT(zs
.zs_num_blocks
== 1);
334 (void) printf("\tmicrozap: %llu bytes, %llu entries\n",
335 (u_longlong_t
)zs
.zs_blocksize
,
336 (u_longlong_t
)zs
.zs_num_entries
);
340 (void) printf("\tFat ZAP stats:\n");
342 (void) printf("\t\tPointer table:\n");
343 (void) printf("\t\t\t%llu elements\n",
344 (u_longlong_t
)zs
.zs_ptrtbl_len
);
345 (void) printf("\t\t\tzt_blk: %llu\n",
346 (u_longlong_t
)zs
.zs_ptrtbl_zt_blk
);
347 (void) printf("\t\t\tzt_numblks: %llu\n",
348 (u_longlong_t
)zs
.zs_ptrtbl_zt_numblks
);
349 (void) printf("\t\t\tzt_shift: %llu\n",
350 (u_longlong_t
)zs
.zs_ptrtbl_zt_shift
);
351 (void) printf("\t\t\tzt_blks_copied: %llu\n",
352 (u_longlong_t
)zs
.zs_ptrtbl_blks_copied
);
353 (void) printf("\t\t\tzt_nextblk: %llu\n",
354 (u_longlong_t
)zs
.zs_ptrtbl_nextblk
);
356 (void) printf("\t\tZAP entries: %llu\n",
357 (u_longlong_t
)zs
.zs_num_entries
);
358 (void) printf("\t\tLeaf blocks: %llu\n",
359 (u_longlong_t
)zs
.zs_num_leafs
);
360 (void) printf("\t\tTotal blocks: %llu\n",
361 (u_longlong_t
)zs
.zs_num_blocks
);
362 (void) printf("\t\tzap_block_type: 0x%llx\n",
363 (u_longlong_t
)zs
.zs_block_type
);
364 (void) printf("\t\tzap_magic: 0x%llx\n",
365 (u_longlong_t
)zs
.zs_magic
);
366 (void) printf("\t\tzap_salt: 0x%llx\n",
367 (u_longlong_t
)zs
.zs_salt
);
369 (void) printf("\t\tLeafs with 2^n pointers:\n");
370 dump_histogram(zs
.zs_leafs_with_2n_pointers
, ZAP_HISTOGRAM_SIZE
, 0);
372 (void) printf("\t\tBlocks with n*5 entries:\n");
373 dump_histogram(zs
.zs_blocks_with_n5_entries
, ZAP_HISTOGRAM_SIZE
, 0);
375 (void) printf("\t\tBlocks n/10 full:\n");
376 dump_histogram(zs
.zs_blocks_n_tenths_full
, ZAP_HISTOGRAM_SIZE
, 0);
378 (void) printf("\t\tEntries with n chunks:\n");
379 dump_histogram(zs
.zs_entries_using_n_chunks
, ZAP_HISTOGRAM_SIZE
, 0);
381 (void) printf("\t\tBuckets with n entries:\n");
382 dump_histogram(zs
.zs_buckets_with_n_entries
, ZAP_HISTOGRAM_SIZE
, 0);
387 dump_none(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
393 dump_unknown(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
395 (void) printf("\tUNKNOWN OBJECT TYPE\n");
400 dump_uint8(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
406 dump_uint64(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
412 dump_zap(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
415 zap_attribute_t attr
;
419 dump_zap_stats(os
, object
);
422 for (zap_cursor_init(&zc
, os
, object
);
423 zap_cursor_retrieve(&zc
, &attr
) == 0;
424 zap_cursor_advance(&zc
)) {
425 (void) printf("\t\t%s = ", attr
.za_name
);
426 if (attr
.za_num_integers
== 0) {
430 prop
= umem_zalloc(attr
.za_num_integers
*
431 attr
.za_integer_length
, UMEM_NOFAIL
);
432 (void) zap_lookup(os
, object
, attr
.za_name
,
433 attr
.za_integer_length
, attr
.za_num_integers
, prop
);
434 if (attr
.za_integer_length
== 1) {
435 (void) printf("%s", (char *)prop
);
437 for (i
= 0; i
< attr
.za_num_integers
; i
++) {
438 switch (attr
.za_integer_length
) {
441 ((uint16_t *)prop
)[i
]);
445 ((uint32_t *)prop
)[i
]);
448 (void) printf("%lld ",
449 (u_longlong_t
)((int64_t *)prop
)[i
]);
455 umem_free(prop
, attr
.za_num_integers
* attr
.za_integer_length
);
457 zap_cursor_fini(&zc
);
461 dump_bpobj(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
463 bpobj_phys_t
*bpop
= data
;
465 char bytes
[32], comp
[32], uncomp
[32];
467 /* make sure the output won't get truncated */
468 CTASSERT(sizeof (bytes
) >= NN_NUMBUF_SZ
);
469 CTASSERT(sizeof (comp
) >= NN_NUMBUF_SZ
);
470 CTASSERT(sizeof (uncomp
) >= NN_NUMBUF_SZ
);
475 zdb_nicenum(bpop
->bpo_bytes
, bytes
, sizeof (bytes
));
476 zdb_nicenum(bpop
->bpo_comp
, comp
, sizeof (comp
));
477 zdb_nicenum(bpop
->bpo_uncomp
, uncomp
, sizeof (uncomp
));
479 (void) printf("\t\tnum_blkptrs = %llu\n",
480 (u_longlong_t
)bpop
->bpo_num_blkptrs
);
481 (void) printf("\t\tbytes = %s\n", bytes
);
482 if (size
>= BPOBJ_SIZE_V1
) {
483 (void) printf("\t\tcomp = %s\n", comp
);
484 (void) printf("\t\tuncomp = %s\n", uncomp
);
486 if (size
>= sizeof (*bpop
)) {
487 (void) printf("\t\tsubobjs = %llu\n",
488 (u_longlong_t
)bpop
->bpo_subobjs
);
489 (void) printf("\t\tnum_subobjs = %llu\n",
490 (u_longlong_t
)bpop
->bpo_num_subobjs
);
493 if (dump_opt
['d'] < 5)
496 for (i
= 0; i
< bpop
->bpo_num_blkptrs
; i
++) {
497 char blkbuf
[BP_SPRINTF_LEN
];
500 int err
= dmu_read(os
, object
,
501 i
* sizeof (bp
), sizeof (bp
), &bp
, 0);
503 (void) printf("got error %u from dmu_read\n", err
);
506 snprintf_blkptr_compact(blkbuf
, sizeof (blkbuf
), &bp
);
507 (void) printf("\t%s\n", blkbuf
);
513 dump_bpobj_subobjs(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
515 dmu_object_info_t doi
;
518 VERIFY0(dmu_object_info(os
, object
, &doi
));
519 uint64_t *subobjs
= kmem_alloc(doi
.doi_max_offset
, KM_SLEEP
);
521 int err
= dmu_read(os
, object
, 0, doi
.doi_max_offset
, subobjs
, 0);
523 (void) printf("got error %u from dmu_read\n", err
);
524 kmem_free(subobjs
, doi
.doi_max_offset
);
528 int64_t last_nonzero
= -1;
529 for (i
= 0; i
< doi
.doi_max_offset
/ 8; i
++) {
534 for (i
= 0; i
<= last_nonzero
; i
++) {
535 (void) printf("\t%llu\n", (u_longlong_t
)subobjs
[i
]);
537 kmem_free(subobjs
, doi
.doi_max_offset
);
542 dump_ddt_zap(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
544 dump_zap_stats(os
, object
);
545 /* contents are printed elsewhere, properly decoded */
550 dump_sa_attrs(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
553 zap_attribute_t attr
;
555 dump_zap_stats(os
, object
);
558 for (zap_cursor_init(&zc
, os
, object
);
559 zap_cursor_retrieve(&zc
, &attr
) == 0;
560 zap_cursor_advance(&zc
)) {
561 (void) printf("\t\t%s = ", attr
.za_name
);
562 if (attr
.za_num_integers
== 0) {
566 (void) printf(" %llx : [%d:%d:%d]\n",
567 (u_longlong_t
)attr
.za_first_integer
,
568 (int)ATTR_LENGTH(attr
.za_first_integer
),
569 (int)ATTR_BSWAP(attr
.za_first_integer
),
570 (int)ATTR_NUM(attr
.za_first_integer
));
572 zap_cursor_fini(&zc
);
577 dump_sa_layouts(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
580 zap_attribute_t attr
;
581 uint16_t *layout_attrs
;
584 dump_zap_stats(os
, object
);
587 for (zap_cursor_init(&zc
, os
, object
);
588 zap_cursor_retrieve(&zc
, &attr
) == 0;
589 zap_cursor_advance(&zc
)) {
590 (void) printf("\t\t%s = [", attr
.za_name
);
591 if (attr
.za_num_integers
== 0) {
596 VERIFY(attr
.za_integer_length
== 2);
597 layout_attrs
= umem_zalloc(attr
.za_num_integers
*
598 attr
.za_integer_length
, UMEM_NOFAIL
);
600 VERIFY(zap_lookup(os
, object
, attr
.za_name
,
601 attr
.za_integer_length
,
602 attr
.za_num_integers
, layout_attrs
) == 0);
604 for (i
= 0; i
!= attr
.za_num_integers
; i
++)
605 (void) printf(" %d ", (int)layout_attrs
[i
]);
606 (void) printf("]\n");
607 umem_free(layout_attrs
,
608 attr
.za_num_integers
* attr
.za_integer_length
);
610 zap_cursor_fini(&zc
);
615 dump_zpldir(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
618 zap_attribute_t attr
;
619 const char *typenames
[] = {
620 /* 0 */ "not specified",
622 /* 2 */ "Character Device",
623 /* 3 */ "3 (invalid)",
625 /* 5 */ "5 (invalid)",
626 /* 6 */ "Block Device",
627 /* 7 */ "7 (invalid)",
628 /* 8 */ "Regular File",
629 /* 9 */ "9 (invalid)",
630 /* 10 */ "Symbolic Link",
631 /* 11 */ "11 (invalid)",
634 /* 14 */ "Event Port",
635 /* 15 */ "15 (invalid)",
638 dump_zap_stats(os
, object
);
641 for (zap_cursor_init(&zc
, os
, object
);
642 zap_cursor_retrieve(&zc
, &attr
) == 0;
643 zap_cursor_advance(&zc
)) {
644 (void) printf("\t\t%s = %lld (type: %s)\n",
645 attr
.za_name
, ZFS_DIRENT_OBJ(attr
.za_first_integer
),
646 typenames
[ZFS_DIRENT_TYPE(attr
.za_first_integer
)]);
648 zap_cursor_fini(&zc
);
652 get_dtl_refcount(vdev_t
*vd
)
656 if (vd
->vdev_ops
->vdev_op_leaf
) {
657 space_map_t
*sm
= vd
->vdev_dtl_sm
;
660 sm
->sm_dbuf
->db_size
== sizeof (space_map_phys_t
))
665 for (unsigned c
= 0; c
< vd
->vdev_children
; c
++)
666 refcount
+= get_dtl_refcount(vd
->vdev_child
[c
]);
671 get_metaslab_refcount(vdev_t
*vd
)
675 if (vd
->vdev_top
== vd
&& !vd
->vdev_removing
) {
676 for (unsigned m
= 0; m
< vd
->vdev_ms_count
; m
++) {
677 space_map_t
*sm
= vd
->vdev_ms
[m
]->ms_sm
;
680 sm
->sm_dbuf
->db_size
== sizeof (space_map_phys_t
))
684 for (unsigned c
= 0; c
< vd
->vdev_children
; c
++)
685 refcount
+= get_metaslab_refcount(vd
->vdev_child
[c
]);
691 verify_spacemap_refcounts(spa_t
*spa
)
693 uint64_t expected_refcount
= 0;
694 uint64_t actual_refcount
;
696 (void) feature_get_refcount(spa
,
697 &spa_feature_table
[SPA_FEATURE_SPACEMAP_HISTOGRAM
],
699 actual_refcount
= get_dtl_refcount(spa
->spa_root_vdev
);
700 actual_refcount
+= get_metaslab_refcount(spa
->spa_root_vdev
);
702 if (expected_refcount
!= actual_refcount
) {
703 (void) printf("space map refcount mismatch: expected %lld != "
705 (longlong_t
)expected_refcount
,
706 (longlong_t
)actual_refcount
);
713 dump_spacemap(objset_t
*os
, space_map_t
*sm
)
715 uint64_t alloc
, offset
, entry
;
716 const char *ddata
[] = { "ALLOC", "FREE", "CONDENSE", "INVALID",
717 "INVALID", "INVALID", "INVALID", "INVALID" };
723 * Print out the freelist entries in both encoded and decoded form.
726 for (offset
= 0; offset
< space_map_length(sm
);
727 offset
+= sizeof (entry
)) {
728 uint8_t mapshift
= sm
->sm_shift
;
730 VERIFY0(dmu_read(os
, space_map_object(sm
), offset
,
731 sizeof (entry
), &entry
, DMU_READ_PREFETCH
));
732 if (SM_DEBUG_DECODE(entry
)) {
734 (void) printf("\t [%6llu] %s: txg %llu, pass %llu\n",
735 (u_longlong_t
)(offset
/ sizeof (entry
)),
736 ddata
[SM_DEBUG_ACTION_DECODE(entry
)],
737 (u_longlong_t
)SM_DEBUG_TXG_DECODE(entry
),
738 (u_longlong_t
)SM_DEBUG_SYNCPASS_DECODE(entry
));
740 (void) printf("\t [%6llu] %c range:"
741 " %010llx-%010llx size: %06llx\n",
742 (u_longlong_t
)(offset
/ sizeof (entry
)),
743 SM_TYPE_DECODE(entry
) == SM_ALLOC
? 'A' : 'F',
744 (u_longlong_t
)((SM_OFFSET_DECODE(entry
) <<
745 mapshift
) + sm
->sm_start
),
746 (u_longlong_t
)((SM_OFFSET_DECODE(entry
) <<
747 mapshift
) + sm
->sm_start
+
748 (SM_RUN_DECODE(entry
) << mapshift
)),
749 (u_longlong_t
)(SM_RUN_DECODE(entry
) << mapshift
));
750 if (SM_TYPE_DECODE(entry
) == SM_ALLOC
)
751 alloc
+= SM_RUN_DECODE(entry
) << mapshift
;
753 alloc
-= SM_RUN_DECODE(entry
) << mapshift
;
756 if (alloc
!= space_map_allocated(sm
)) {
757 (void) printf("space_map_object alloc (%llu) INCONSISTENT "
758 "with space map summary (%llu)\n",
759 (u_longlong_t
)space_map_allocated(sm
), (u_longlong_t
)alloc
);
764 dump_metaslab_stats(metaslab_t
*msp
)
767 range_tree_t
*rt
= msp
->ms_tree
;
768 avl_tree_t
*t
= &msp
->ms_size_tree
;
769 int free_pct
= range_tree_space(rt
) * 100 / msp
->ms_size
;
771 /* max sure nicenum has enough space */
772 CTASSERT(sizeof (maxbuf
) >= NN_NUMBUF_SZ
);
774 zdb_nicenum(metaslab_block_maxsize(msp
), maxbuf
, sizeof (maxbuf
));
776 (void) printf("\t %25s %10lu %7s %6s %4s %4d%%\n",
777 "segments", avl_numnodes(t
), "maxsize", maxbuf
,
778 "freepct", free_pct
);
779 (void) printf("\tIn-memory histogram:\n");
780 dump_histogram(rt
->rt_histogram
, RANGE_TREE_HISTOGRAM_SIZE
, 0);
784 dump_metaslab(metaslab_t
*msp
)
786 vdev_t
*vd
= msp
->ms_group
->mg_vd
;
787 spa_t
*spa
= vd
->vdev_spa
;
788 space_map_t
*sm
= msp
->ms_sm
;
791 zdb_nicenum(msp
->ms_size
- space_map_allocated(sm
), freebuf
,
795 "\tmetaslab %6llu offset %12llx spacemap %6llu free %5s\n",
796 (u_longlong_t
)msp
->ms_id
, (u_longlong_t
)msp
->ms_start
,
797 (u_longlong_t
)space_map_object(sm
), freebuf
);
799 if (dump_opt
['m'] > 2 && !dump_opt
['L']) {
800 mutex_enter(&msp
->ms_lock
);
801 metaslab_load_wait(msp
);
802 if (!msp
->ms_loaded
) {
803 VERIFY0(metaslab_load(msp
));
804 range_tree_stat_verify(msp
->ms_tree
);
806 dump_metaslab_stats(msp
);
807 metaslab_unload(msp
);
808 mutex_exit(&msp
->ms_lock
);
811 if (dump_opt
['m'] > 1 && sm
!= NULL
&&
812 spa_feature_is_active(spa
, SPA_FEATURE_SPACEMAP_HISTOGRAM
)) {
814 * The space map histogram represents free space in chunks
815 * of sm_shift (i.e. bucket 0 refers to 2^sm_shift).
817 (void) printf("\tOn-disk histogram:\t\tfragmentation %llu\n",
818 (u_longlong_t
)msp
->ms_fragmentation
);
819 dump_histogram(sm
->sm_phys
->smp_histogram
,
820 SPACE_MAP_HISTOGRAM_SIZE
, sm
->sm_shift
);
823 if (dump_opt
['d'] > 5 || dump_opt
['m'] > 3) {
824 ASSERT(msp
->ms_size
== (1ULL << vd
->vdev_ms_shift
));
826 mutex_enter(&msp
->ms_lock
);
827 dump_spacemap(spa
->spa_meta_objset
, msp
->ms_sm
);
828 mutex_exit(&msp
->ms_lock
);
833 print_vdev_metaslab_header(vdev_t
*vd
)
835 (void) printf("\tvdev %10llu\n\t%-10s%5llu %-19s %-15s %-10s\n",
836 (u_longlong_t
)vd
->vdev_id
,
837 "metaslabs", (u_longlong_t
)vd
->vdev_ms_count
,
838 "offset", "spacemap", "free");
839 (void) printf("\t%15s %19s %15s %10s\n",
840 "---------------", "-------------------",
841 "---------------", "-------------");
845 dump_metaslab_groups(spa_t
*spa
)
847 vdev_t
*rvd
= spa
->spa_root_vdev
;
848 metaslab_class_t
*mc
= spa_normal_class(spa
);
849 uint64_t fragmentation
;
851 metaslab_class_histogram_verify(mc
);
853 for (unsigned c
= 0; c
< rvd
->vdev_children
; c
++) {
854 vdev_t
*tvd
= rvd
->vdev_child
[c
];
855 metaslab_group_t
*mg
= tvd
->vdev_mg
;
857 if (mg
->mg_class
!= mc
)
860 metaslab_group_histogram_verify(mg
);
861 mg
->mg_fragmentation
= metaslab_group_fragmentation(mg
);
863 (void) printf("\tvdev %10llu\t\tmetaslabs%5llu\t\t"
865 (u_longlong_t
)tvd
->vdev_id
,
866 (u_longlong_t
)tvd
->vdev_ms_count
);
867 if (mg
->mg_fragmentation
== ZFS_FRAG_INVALID
) {
868 (void) printf("%3s\n", "-");
870 (void) printf("%3llu%%\n",
871 (u_longlong_t
)mg
->mg_fragmentation
);
873 dump_histogram(mg
->mg_histogram
, RANGE_TREE_HISTOGRAM_SIZE
, 0);
876 (void) printf("\tpool %s\tfragmentation", spa_name(spa
));
877 fragmentation
= metaslab_class_fragmentation(mc
);
878 if (fragmentation
== ZFS_FRAG_INVALID
)
879 (void) printf("\t%3s\n", "-");
881 (void) printf("\t%3llu%%\n", (u_longlong_t
)fragmentation
);
882 dump_histogram(mc
->mc_histogram
, RANGE_TREE_HISTOGRAM_SIZE
, 0);
886 dump_metaslabs(spa_t
*spa
)
888 vdev_t
*vd
, *rvd
= spa
->spa_root_vdev
;
889 uint64_t m
, c
= 0, children
= rvd
->vdev_children
;
891 (void) printf("\nMetaslabs:\n");
893 if (!dump_opt
['d'] && zopt_objects
> 0) {
897 (void) fatal("bad vdev id: %llu", (u_longlong_t
)c
);
899 if (zopt_objects
> 1) {
900 vd
= rvd
->vdev_child
[c
];
901 print_vdev_metaslab_header(vd
);
903 for (m
= 1; m
< zopt_objects
; m
++) {
904 if (zopt_object
[m
] < vd
->vdev_ms_count
)
906 vd
->vdev_ms
[zopt_object
[m
]]);
908 (void) fprintf(stderr
, "bad metaslab "
910 (u_longlong_t
)zopt_object
[m
]);
917 for (; c
< children
; c
++) {
918 vd
= rvd
->vdev_child
[c
];
919 print_vdev_metaslab_header(vd
);
921 for (m
= 0; m
< vd
->vdev_ms_count
; m
++)
922 dump_metaslab(vd
->vdev_ms
[m
]);
928 dump_dde(const ddt_t
*ddt
, const ddt_entry_t
*dde
, uint64_t index
)
930 const ddt_phys_t
*ddp
= dde
->dde_phys
;
931 const ddt_key_t
*ddk
= &dde
->dde_key
;
932 const char *types
[4] = { "ditto", "single", "double", "triple" };
933 char blkbuf
[BP_SPRINTF_LEN
];
937 for (p
= 0; p
< DDT_PHYS_TYPES
; p
++, ddp
++) {
938 if (ddp
->ddp_phys_birth
== 0)
940 ddt_bp_create(ddt
->ddt_checksum
, ddk
, ddp
, &blk
);
941 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), &blk
);
942 (void) printf("index %llx refcnt %llu %s %s\n",
943 (u_longlong_t
)index
, (u_longlong_t
)ddp
->ddp_refcnt
,
949 dump_dedup_ratio(const ddt_stat_t
*dds
)
951 double rL
, rP
, rD
, D
, dedup
, compress
, copies
;
953 if (dds
->dds_blocks
== 0)
956 rL
= (double)dds
->dds_ref_lsize
;
957 rP
= (double)dds
->dds_ref_psize
;
958 rD
= (double)dds
->dds_ref_dsize
;
959 D
= (double)dds
->dds_dsize
;
965 (void) printf("dedup = %.2f, compress = %.2f, copies = %.2f, "
966 "dedup * compress / copies = %.2f\n\n",
967 dedup
, compress
, copies
, dedup
* compress
/ copies
);
971 dump_ddt(ddt_t
*ddt
, enum ddt_type type
, enum ddt_class
class)
973 char name
[DDT_NAMELEN
];
976 dmu_object_info_t doi
;
977 uint64_t count
, dspace
, mspace
;
980 error
= ddt_object_info(ddt
, type
, class, &doi
);
986 error
= ddt_object_count(ddt
, type
, class, &count
);
991 dspace
= doi
.doi_physical_blocks_512
<< 9;
992 mspace
= doi
.doi_fill_count
* doi
.doi_data_block_size
;
994 ddt_object_name(ddt
, type
, class, name
);
996 (void) printf("%s: %llu entries, size %llu on disk, %llu in core\n",
999 (u_longlong_t
)(dspace
/ count
),
1000 (u_longlong_t
)(mspace
/ count
));
1002 if (dump_opt
['D'] < 3)
1005 zpool_dump_ddt(NULL
, &ddt
->ddt_histogram
[type
][class]);
1007 if (dump_opt
['D'] < 4)
1010 if (dump_opt
['D'] < 5 && class == DDT_CLASS_UNIQUE
)
1013 (void) printf("%s contents:\n\n", name
);
1015 while ((error
= ddt_object_walk(ddt
, type
, class, &walk
, &dde
)) == 0)
1016 dump_dde(ddt
, &dde
, walk
);
1018 ASSERT(error
== ENOENT
);
1020 (void) printf("\n");
1024 dump_all_ddts(spa_t
*spa
)
1026 ddt_histogram_t ddh_total
;
1027 ddt_stat_t dds_total
;
1029 bzero(&ddh_total
, sizeof (ddh_total
));
1030 bzero(&dds_total
, sizeof (dds_total
));
1032 for (enum zio_checksum c
= 0; c
< ZIO_CHECKSUM_FUNCTIONS
; c
++) {
1033 ddt_t
*ddt
= spa
->spa_ddt
[c
];
1034 for (enum ddt_type type
= 0; type
< DDT_TYPES
; type
++) {
1035 for (enum ddt_class
class = 0; class < DDT_CLASSES
;
1037 dump_ddt(ddt
, type
, class);
1042 ddt_get_dedup_stats(spa
, &dds_total
);
1044 if (dds_total
.dds_blocks
== 0) {
1045 (void) printf("All DDTs are empty\n");
1049 (void) printf("\n");
1051 if (dump_opt
['D'] > 1) {
1052 (void) printf("DDT histogram (aggregated over all DDTs):\n");
1053 ddt_get_dedup_histogram(spa
, &ddh_total
);
1054 zpool_dump_ddt(&dds_total
, &ddh_total
);
1057 dump_dedup_ratio(&dds_total
);
1061 dump_dtl_seg(void *arg
, uint64_t start
, uint64_t size
)
1065 (void) printf("%s [%llu,%llu) length %llu\n",
1067 (u_longlong_t
)start
,
1068 (u_longlong_t
)(start
+ size
),
1069 (u_longlong_t
)(size
));
1073 dump_dtl(vdev_t
*vd
, int indent
)
1075 spa_t
*spa
= vd
->vdev_spa
;
1077 const char *name
[DTL_TYPES
] = { "missing", "partial", "scrub",
1081 spa_vdev_state_enter(spa
, SCL_NONE
);
1082 required
= vdev_dtl_required(vd
);
1083 (void) spa_vdev_state_exit(spa
, NULL
, 0);
1086 (void) printf("\nDirty time logs:\n\n");
1088 (void) printf("\t%*s%s [%s]\n", indent
, "",
1089 vd
->vdev_path
? vd
->vdev_path
:
1090 vd
->vdev_parent
? vd
->vdev_ops
->vdev_op_type
: spa_name(spa
),
1091 required
? "DTL-required" : "DTL-expendable");
1093 for (int t
= 0; t
< DTL_TYPES
; t
++) {
1094 range_tree_t
*rt
= vd
->vdev_dtl
[t
];
1095 if (range_tree_space(rt
) == 0)
1097 (void) snprintf(prefix
, sizeof (prefix
), "\t%*s%s",
1098 indent
+ 2, "", name
[t
]);
1099 mutex_enter(rt
->rt_lock
);
1100 range_tree_walk(rt
, dump_dtl_seg
, prefix
);
1101 mutex_exit(rt
->rt_lock
);
1102 if (dump_opt
['d'] > 5 && vd
->vdev_children
== 0)
1103 dump_spacemap(spa
->spa_meta_objset
,
1107 for (unsigned c
= 0; c
< vd
->vdev_children
; c
++)
1108 dump_dtl(vd
->vdev_child
[c
], indent
+ 4);
1112 dump_history(spa_t
*spa
)
1114 nvlist_t
**events
= NULL
;
1116 uint64_t resid
, len
, off
= 0;
1122 char internalstr
[MAXPATHLEN
];
1124 if ((buf
= malloc(SPA_OLD_MAXBLOCKSIZE
)) == NULL
) {
1125 (void) fprintf(stderr
, "%s: unable to allocate I/O buffer\n",
1131 len
= SPA_OLD_MAXBLOCKSIZE
;
1133 if ((error
= spa_history_get(spa
, &off
, &len
, buf
)) != 0) {
1134 (void) fprintf(stderr
, "Unable to read history: "
1135 "error %d\n", error
);
1140 if (zpool_history_unpack(buf
, len
, &resid
, &events
, &num
) != 0)
1146 (void) printf("\nHistory:\n");
1147 for (unsigned i
= 0; i
< num
; i
++) {
1148 uint64_t time
, txg
, ievent
;
1150 boolean_t printed
= B_FALSE
;
1152 if (nvlist_lookup_uint64(events
[i
], ZPOOL_HIST_TIME
,
1155 if (nvlist_lookup_string(events
[i
], ZPOOL_HIST_CMD
,
1157 if (nvlist_lookup_uint64(events
[i
],
1158 ZPOOL_HIST_INT_EVENT
, &ievent
) != 0)
1160 verify(nvlist_lookup_uint64(events
[i
],
1161 ZPOOL_HIST_TXG
, &txg
) == 0);
1162 verify(nvlist_lookup_string(events
[i
],
1163 ZPOOL_HIST_INT_STR
, &intstr
) == 0);
1164 if (ievent
>= ZFS_NUM_LEGACY_HISTORY_EVENTS
)
1167 (void) snprintf(internalstr
,
1168 sizeof (internalstr
),
1169 "[internal %s txg:%lld] %s",
1170 zfs_history_event_names
[ievent
],
1171 (longlong_t
)txg
, intstr
);
1175 (void) localtime_r(&tsec
, &t
);
1176 (void) strftime(tbuf
, sizeof (tbuf
), "%F.%T", &t
);
1177 (void) printf("%s %s\n", tbuf
, cmd
);
1181 if (dump_opt
['h'] > 1) {
1183 (void) printf("unrecognized record:\n");
1184 dump_nvlist(events
[i
], 2);
1192 dump_dnode(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1197 blkid2offset(const dnode_phys_t
*dnp
, const blkptr_t
*bp
,
1198 const zbookmark_phys_t
*zb
)
1201 ASSERT(zb
->zb_level
< 0);
1202 if (zb
->zb_object
== 0)
1203 return (zb
->zb_blkid
);
1204 return (zb
->zb_blkid
* BP_GET_LSIZE(bp
));
1207 ASSERT(zb
->zb_level
>= 0);
1209 return ((zb
->zb_blkid
<<
1210 (zb
->zb_level
* (dnp
->dn_indblkshift
- SPA_BLKPTRSHIFT
))) *
1211 dnp
->dn_datablkszsec
<< SPA_MINBLOCKSHIFT
);
1215 snprintf_blkptr_compact(char *blkbuf
, size_t buflen
, const blkptr_t
*bp
)
1217 const dva_t
*dva
= bp
->blk_dva
;
1218 int ndvas
= dump_opt
['d'] > 5 ? BP_GET_NDVAS(bp
) : 1;
1221 if (dump_opt
['b'] >= 6) {
1222 snprintf_blkptr(blkbuf
, buflen
, bp
);
1226 if (BP_IS_EMBEDDED(bp
)) {
1227 (void) sprintf(blkbuf
,
1228 "EMBEDDED et=%u %llxL/%llxP B=%llu",
1229 (int)BPE_GET_ETYPE(bp
),
1230 (u_longlong_t
)BPE_GET_LSIZE(bp
),
1231 (u_longlong_t
)BPE_GET_PSIZE(bp
),
1232 (u_longlong_t
)bp
->blk_birth
);
1238 for (i
= 0; i
< ndvas
; i
++)
1239 (void) snprintf(blkbuf
+ strlen(blkbuf
),
1240 buflen
- strlen(blkbuf
), "%llu:%llx:%llx ",
1241 (u_longlong_t
)DVA_GET_VDEV(&dva
[i
]),
1242 (u_longlong_t
)DVA_GET_OFFSET(&dva
[i
]),
1243 (u_longlong_t
)DVA_GET_ASIZE(&dva
[i
]));
1245 if (BP_IS_HOLE(bp
)) {
1246 (void) snprintf(blkbuf
+ strlen(blkbuf
),
1247 buflen
- strlen(blkbuf
),
1249 (u_longlong_t
)BP_GET_LSIZE(bp
),
1250 (u_longlong_t
)bp
->blk_birth
);
1252 (void) snprintf(blkbuf
+ strlen(blkbuf
),
1253 buflen
- strlen(blkbuf
),
1254 "%llxL/%llxP F=%llu B=%llu/%llu",
1255 (u_longlong_t
)BP_GET_LSIZE(bp
),
1256 (u_longlong_t
)BP_GET_PSIZE(bp
),
1257 (u_longlong_t
)BP_GET_FILL(bp
),
1258 (u_longlong_t
)bp
->blk_birth
,
1259 (u_longlong_t
)BP_PHYSICAL_BIRTH(bp
));
1264 print_indirect(blkptr_t
*bp
, const zbookmark_phys_t
*zb
,
1265 const dnode_phys_t
*dnp
)
1267 char blkbuf
[BP_SPRINTF_LEN
];
1270 if (!BP_IS_EMBEDDED(bp
)) {
1271 ASSERT3U(BP_GET_TYPE(bp
), ==, dnp
->dn_type
);
1272 ASSERT3U(BP_GET_LEVEL(bp
), ==, zb
->zb_level
);
1275 (void) printf("%16llx ", (u_longlong_t
)blkid2offset(dnp
, bp
, zb
));
1277 ASSERT(zb
->zb_level
>= 0);
1279 for (l
= dnp
->dn_nlevels
- 1; l
>= -1; l
--) {
1280 if (l
== zb
->zb_level
) {
1281 (void) printf("L%llx", (u_longlong_t
)zb
->zb_level
);
1287 snprintf_blkptr_compact(blkbuf
, sizeof (blkbuf
), bp
);
1288 (void) printf("%s\n", blkbuf
);
1292 visit_indirect(spa_t
*spa
, const dnode_phys_t
*dnp
,
1293 blkptr_t
*bp
, const zbookmark_phys_t
*zb
)
1297 if (bp
->blk_birth
== 0)
1300 print_indirect(bp
, zb
, dnp
);
1302 if (BP_GET_LEVEL(bp
) > 0 && !BP_IS_HOLE(bp
)) {
1303 arc_flags_t flags
= ARC_FLAG_WAIT
;
1306 int epb
= BP_GET_LSIZE(bp
) >> SPA_BLKPTRSHIFT
;
1310 err
= arc_read(NULL
, spa
, bp
, arc_getbuf_func
, &buf
,
1311 ZIO_PRIORITY_ASYNC_READ
, ZIO_FLAG_CANFAIL
, &flags
, zb
);
1314 ASSERT(buf
->b_data
);
1316 /* recursively visit blocks below this */
1318 for (i
= 0; i
< epb
; i
++, cbp
++) {
1319 zbookmark_phys_t czb
;
1321 SET_BOOKMARK(&czb
, zb
->zb_objset
, zb
->zb_object
,
1323 zb
->zb_blkid
* epb
+ i
);
1324 err
= visit_indirect(spa
, dnp
, cbp
, &czb
);
1327 fill
+= BP_GET_FILL(cbp
);
1330 ASSERT3U(fill
, ==, BP_GET_FILL(bp
));
1331 arc_buf_destroy(buf
, &buf
);
1339 dump_indirect(dnode_t
*dn
)
1341 dnode_phys_t
*dnp
= dn
->dn_phys
;
1343 zbookmark_phys_t czb
;
1345 (void) printf("Indirect blocks:\n");
1347 SET_BOOKMARK(&czb
, dmu_objset_id(dn
->dn_objset
),
1348 dn
->dn_object
, dnp
->dn_nlevels
- 1, 0);
1349 for (j
= 0; j
< dnp
->dn_nblkptr
; j
++) {
1351 (void) visit_indirect(dmu_objset_spa(dn
->dn_objset
), dnp
,
1352 &dnp
->dn_blkptr
[j
], &czb
);
1355 (void) printf("\n");
1360 dump_dsl_dir(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1362 dsl_dir_phys_t
*dd
= data
;
1366 /* make sure nicenum has enough space */
1367 CTASSERT(sizeof (nice
) >= NN_NUMBUF_SZ
);
1372 ASSERT3U(size
, >=, sizeof (dsl_dir_phys_t
));
1374 crtime
= dd
->dd_creation_time
;
1375 (void) printf("\t\tcreation_time = %s", ctime(&crtime
));
1376 (void) printf("\t\thead_dataset_obj = %llu\n",
1377 (u_longlong_t
)dd
->dd_head_dataset_obj
);
1378 (void) printf("\t\tparent_dir_obj = %llu\n",
1379 (u_longlong_t
)dd
->dd_parent_obj
);
1380 (void) printf("\t\torigin_obj = %llu\n",
1381 (u_longlong_t
)dd
->dd_origin_obj
);
1382 (void) printf("\t\tchild_dir_zapobj = %llu\n",
1383 (u_longlong_t
)dd
->dd_child_dir_zapobj
);
1384 zdb_nicenum(dd
->dd_used_bytes
, nice
, sizeof (nice
));
1385 (void) printf("\t\tused_bytes = %s\n", nice
);
1386 zdb_nicenum(dd
->dd_compressed_bytes
, nice
, sizeof (nice
));
1387 (void) printf("\t\tcompressed_bytes = %s\n", nice
);
1388 zdb_nicenum(dd
->dd_uncompressed_bytes
, nice
, sizeof (nice
));
1389 (void) printf("\t\tuncompressed_bytes = %s\n", nice
);
1390 zdb_nicenum(dd
->dd_quota
, nice
, sizeof (nice
));
1391 (void) printf("\t\tquota = %s\n", nice
);
1392 zdb_nicenum(dd
->dd_reserved
, nice
, sizeof (nice
));
1393 (void) printf("\t\treserved = %s\n", nice
);
1394 (void) printf("\t\tprops_zapobj = %llu\n",
1395 (u_longlong_t
)dd
->dd_props_zapobj
);
1396 (void) printf("\t\tdeleg_zapobj = %llu\n",
1397 (u_longlong_t
)dd
->dd_deleg_zapobj
);
1398 (void) printf("\t\tflags = %llx\n",
1399 (u_longlong_t
)dd
->dd_flags
);
1402 zdb_nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice, \
1404 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice)
1415 dump_dsl_dataset(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1417 dsl_dataset_phys_t
*ds
= data
;
1419 char used
[32], compressed
[32], uncompressed
[32], unique
[32];
1420 char blkbuf
[BP_SPRINTF_LEN
];
1422 /* make sure nicenum has enough space */
1423 CTASSERT(sizeof (used
) >= NN_NUMBUF_SZ
);
1424 CTASSERT(sizeof (compressed
) >= NN_NUMBUF_SZ
);
1425 CTASSERT(sizeof (uncompressed
) >= NN_NUMBUF_SZ
);
1426 CTASSERT(sizeof (unique
) >= NN_NUMBUF_SZ
);
1431 ASSERT(size
== sizeof (*ds
));
1432 crtime
= ds
->ds_creation_time
;
1433 zdb_nicenum(ds
->ds_referenced_bytes
, used
, sizeof (used
));
1434 zdb_nicenum(ds
->ds_compressed_bytes
, compressed
, sizeof (compressed
));
1435 zdb_nicenum(ds
->ds_uncompressed_bytes
, uncompressed
,
1436 sizeof (uncompressed
));
1437 zdb_nicenum(ds
->ds_unique_bytes
, unique
, sizeof (unique
));
1438 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), &ds
->ds_bp
);
1440 (void) printf("\t\tdir_obj = %llu\n",
1441 (u_longlong_t
)ds
->ds_dir_obj
);
1442 (void) printf("\t\tprev_snap_obj = %llu\n",
1443 (u_longlong_t
)ds
->ds_prev_snap_obj
);
1444 (void) printf("\t\tprev_snap_txg = %llu\n",
1445 (u_longlong_t
)ds
->ds_prev_snap_txg
);
1446 (void) printf("\t\tnext_snap_obj = %llu\n",
1447 (u_longlong_t
)ds
->ds_next_snap_obj
);
1448 (void) printf("\t\tsnapnames_zapobj = %llu\n",
1449 (u_longlong_t
)ds
->ds_snapnames_zapobj
);
1450 (void) printf("\t\tnum_children = %llu\n",
1451 (u_longlong_t
)ds
->ds_num_children
);
1452 (void) printf("\t\tuserrefs_obj = %llu\n",
1453 (u_longlong_t
)ds
->ds_userrefs_obj
);
1454 (void) printf("\t\tcreation_time = %s", ctime(&crtime
));
1455 (void) printf("\t\tcreation_txg = %llu\n",
1456 (u_longlong_t
)ds
->ds_creation_txg
);
1457 (void) printf("\t\tdeadlist_obj = %llu\n",
1458 (u_longlong_t
)ds
->ds_deadlist_obj
);
1459 (void) printf("\t\tused_bytes = %s\n", used
);
1460 (void) printf("\t\tcompressed_bytes = %s\n", compressed
);
1461 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed
);
1462 (void) printf("\t\tunique = %s\n", unique
);
1463 (void) printf("\t\tfsid_guid = %llu\n",
1464 (u_longlong_t
)ds
->ds_fsid_guid
);
1465 (void) printf("\t\tguid = %llu\n",
1466 (u_longlong_t
)ds
->ds_guid
);
1467 (void) printf("\t\tflags = %llx\n",
1468 (u_longlong_t
)ds
->ds_flags
);
1469 (void) printf("\t\tnext_clones_obj = %llu\n",
1470 (u_longlong_t
)ds
->ds_next_clones_obj
);
1471 (void) printf("\t\tprops_obj = %llu\n",
1472 (u_longlong_t
)ds
->ds_props_obj
);
1473 (void) printf("\t\tbp = %s\n", blkbuf
);
1478 dump_bptree_cb(void *arg
, const blkptr_t
*bp
, dmu_tx_t
*tx
)
1480 char blkbuf
[BP_SPRINTF_LEN
];
1482 if (bp
->blk_birth
!= 0) {
1483 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), bp
);
1484 (void) printf("\t%s\n", blkbuf
);
1490 dump_bptree(objset_t
*os
, uint64_t obj
, const char *name
)
1496 /* make sure nicenum has enough space */
1497 CTASSERT(sizeof (bytes
) >= NN_NUMBUF_SZ
);
1499 if (dump_opt
['d'] < 3)
1502 VERIFY3U(0, ==, dmu_bonus_hold(os
, obj
, FTAG
, &db
));
1504 zdb_nicenum(bt
->bt_bytes
, bytes
, sizeof (bytes
));
1505 (void) printf("\n %s: %llu datasets, %s\n",
1506 name
, (unsigned long long)(bt
->bt_end
- bt
->bt_begin
), bytes
);
1507 dmu_buf_rele(db
, FTAG
);
1509 if (dump_opt
['d'] < 5)
1512 (void) printf("\n");
1514 (void) bptree_iterate(os
, obj
, B_FALSE
, dump_bptree_cb
, NULL
, NULL
);
1519 dump_bpobj_cb(void *arg
, const blkptr_t
*bp
, dmu_tx_t
*tx
)
1521 char blkbuf
[BP_SPRINTF_LEN
];
1523 ASSERT(bp
->blk_birth
!= 0);
1524 snprintf_blkptr_compact(blkbuf
, sizeof (blkbuf
), bp
);
1525 (void) printf("\t%s\n", blkbuf
);
1530 dump_full_bpobj(bpobj_t
*bpo
, const char *name
, int indent
)
1537 /* make sure nicenum has enough space */
1538 CTASSERT(sizeof (bytes
) >= NN_NUMBUF_SZ
);
1539 CTASSERT(sizeof (comp
) >= NN_NUMBUF_SZ
);
1540 CTASSERT(sizeof (uncomp
) >= NN_NUMBUF_SZ
);
1542 if (dump_opt
['d'] < 3)
1545 zdb_nicenum(bpo
->bpo_phys
->bpo_bytes
, bytes
, sizeof (bytes
));
1546 if (bpo
->bpo_havesubobj
&& bpo
->bpo_phys
->bpo_subobjs
!= 0) {
1547 zdb_nicenum(bpo
->bpo_phys
->bpo_comp
, comp
, sizeof (comp
));
1548 zdb_nicenum(bpo
->bpo_phys
->bpo_uncomp
, uncomp
, sizeof (uncomp
));
1549 (void) printf(" %*s: object %llu, %llu local blkptrs, "
1550 "%llu subobjs in object, %llu, %s (%s/%s comp)\n",
1552 (u_longlong_t
)bpo
->bpo_object
,
1553 (u_longlong_t
)bpo
->bpo_phys
->bpo_num_blkptrs
,
1554 (u_longlong_t
)bpo
->bpo_phys
->bpo_num_subobjs
,
1555 (u_longlong_t
)bpo
->bpo_phys
->bpo_subobjs
,
1556 bytes
, comp
, uncomp
);
1558 for (i
= 0; i
< bpo
->bpo_phys
->bpo_num_subobjs
; i
++) {
1562 VERIFY0(dmu_read(bpo
->bpo_os
,
1563 bpo
->bpo_phys
->bpo_subobjs
,
1564 i
* sizeof (subobj
), sizeof (subobj
), &subobj
, 0));
1565 error
= bpobj_open(&subbpo
, bpo
->bpo_os
, subobj
);
1567 (void) printf("ERROR %u while trying to open "
1569 error
, (u_longlong_t
)subobj
);
1572 dump_full_bpobj(&subbpo
, "subobj", indent
+ 1);
1573 bpobj_close(&subbpo
);
1576 (void) printf(" %*s: object %llu, %llu blkptrs, %s\n",
1578 (u_longlong_t
)bpo
->bpo_object
,
1579 (u_longlong_t
)bpo
->bpo_phys
->bpo_num_blkptrs
,
1583 if (dump_opt
['d'] < 5)
1588 (void) bpobj_iterate_nofree(bpo
, dump_bpobj_cb
, NULL
, NULL
);
1589 (void) printf("\n");
1594 dump_deadlist(dsl_deadlist_t
*dl
)
1596 dsl_deadlist_entry_t
*dle
;
1602 /* make sure nicenum has enough space */
1603 CTASSERT(sizeof (bytes
) >= NN_NUMBUF_SZ
);
1604 CTASSERT(sizeof (comp
) >= NN_NUMBUF_SZ
);
1605 CTASSERT(sizeof (uncomp
) >= NN_NUMBUF_SZ
);
1607 if (dump_opt
['d'] < 3)
1610 if (dl
->dl_oldfmt
) {
1611 dump_full_bpobj(&dl
->dl_bpobj
, "old-format deadlist", 0);
1615 zdb_nicenum(dl
->dl_phys
->dl_used
, bytes
, sizeof (bytes
));
1616 zdb_nicenum(dl
->dl_phys
->dl_comp
, comp
, sizeof (comp
));
1617 zdb_nicenum(dl
->dl_phys
->dl_uncomp
, uncomp
, sizeof (uncomp
));
1618 (void) printf("\n Deadlist: %s (%s/%s comp)\n",
1619 bytes
, comp
, uncomp
);
1621 if (dump_opt
['d'] < 4)
1624 (void) printf("\n");
1626 /* force the tree to be loaded */
1627 dsl_deadlist_space_range(dl
, 0, UINT64_MAX
, &unused
, &unused
, &unused
);
1629 for (dle
= avl_first(&dl
->dl_tree
); dle
;
1630 dle
= AVL_NEXT(&dl
->dl_tree
, dle
)) {
1631 if (dump_opt
['d'] >= 5) {
1633 (void) snprintf(buf
, sizeof (buf
),
1634 "mintxg %llu -> obj %llu",
1635 (longlong_t
)dle
->dle_mintxg
,
1636 (longlong_t
)dle
->dle_bpobj
.bpo_object
);
1638 dump_full_bpobj(&dle
->dle_bpobj
, buf
, 0);
1640 (void) printf("mintxg %llu -> obj %llu\n",
1641 (longlong_t
)dle
->dle_mintxg
,
1642 (longlong_t
)dle
->dle_bpobj
.bpo_object
);
1648 static avl_tree_t idx_tree
;
1649 static avl_tree_t domain_tree
;
1650 static boolean_t fuid_table_loaded
;
1651 static objset_t
*sa_os
= NULL
;
1652 static sa_attr_type_t
*sa_attr_table
= NULL
;
1655 open_objset(const char *path
, dmu_objset_type_t type
, void *tag
, objset_t
**osp
)
1658 uint64_t sa_attrs
= 0;
1659 uint64_t version
= 0;
1661 VERIFY3P(sa_os
, ==, NULL
);
1662 err
= dmu_objset_own(path
, type
, B_TRUE
, B_FALSE
, tag
, osp
);
1664 (void) fprintf(stderr
, "failed to own dataset '%s': %s\n", path
,
1669 if (dmu_objset_type(*osp
) == DMU_OST_ZFS
&& !(*osp
)->os_encrypted
) {
1670 (void) zap_lookup(*osp
, MASTER_NODE_OBJ
, ZPL_VERSION_STR
,
1672 if (version
>= ZPL_VERSION_SA
) {
1673 (void) zap_lookup(*osp
, MASTER_NODE_OBJ
, ZFS_SA_ATTRS
,
1676 err
= sa_setup(*osp
, sa_attrs
, zfs_attr_table
, ZPL_END
,
1679 (void) fprintf(stderr
, "sa_setup failed: %s\n",
1681 dmu_objset_disown(*osp
, B_FALSE
, tag
);
1691 close_objset(objset_t
*os
, void *tag
)
1693 VERIFY3P(os
, ==, sa_os
);
1694 if (os
->os_sa
!= NULL
)
1696 dmu_objset_disown(os
, B_FALSE
, tag
);
1697 sa_attr_table
= NULL
;
1702 fuid_table_destroy(void)
1704 if (fuid_table_loaded
) {
1705 zfs_fuid_table_destroy(&idx_tree
, &domain_tree
);
1706 fuid_table_loaded
= B_FALSE
;
1711 * print uid or gid information.
1712 * For normal POSIX id just the id is printed in decimal format.
1713 * For CIFS files with FUID the fuid is printed in hex followed by
1714 * the domain-rid string.
1717 print_idstr(uint64_t id
, const char *id_type
)
1719 if (FUID_INDEX(id
)) {
1722 domain
= zfs_fuid_idx_domain(&idx_tree
, FUID_INDEX(id
));
1723 (void) printf("\t%s %llx [%s-%d]\n", id_type
,
1724 (u_longlong_t
)id
, domain
, (int)FUID_RID(id
));
1726 (void) printf("\t%s %llu\n", id_type
, (u_longlong_t
)id
);
1732 dump_uidgid(objset_t
*os
, uint64_t uid
, uint64_t gid
)
1734 uint32_t uid_idx
, gid_idx
;
1736 uid_idx
= FUID_INDEX(uid
);
1737 gid_idx
= FUID_INDEX(gid
);
1739 /* Load domain table, if not already loaded */
1740 if (!fuid_table_loaded
&& (uid_idx
|| gid_idx
)) {
1743 /* first find the fuid object. It lives in the master node */
1744 VERIFY(zap_lookup(os
, MASTER_NODE_OBJ
, ZFS_FUID_TABLES
,
1745 8, 1, &fuid_obj
) == 0);
1746 zfs_fuid_avl_tree_create(&idx_tree
, &domain_tree
);
1747 (void) zfs_fuid_table_load(os
, fuid_obj
,
1748 &idx_tree
, &domain_tree
);
1749 fuid_table_loaded
= B_TRUE
;
1752 print_idstr(uid
, "uid");
1753 print_idstr(gid
, "gid");
1757 dump_znode_sa_xattr(sa_handle_t
*hdl
)
1760 nvpair_t
*elem
= NULL
;
1761 int sa_xattr_size
= 0;
1762 int sa_xattr_entries
= 0;
1764 char *sa_xattr_packed
;
1766 error
= sa_size(hdl
, sa_attr_table
[ZPL_DXATTR
], &sa_xattr_size
);
1767 if (error
|| sa_xattr_size
== 0)
1770 sa_xattr_packed
= malloc(sa_xattr_size
);
1771 if (sa_xattr_packed
== NULL
)
1774 error
= sa_lookup(hdl
, sa_attr_table
[ZPL_DXATTR
],
1775 sa_xattr_packed
, sa_xattr_size
);
1777 free(sa_xattr_packed
);
1781 error
= nvlist_unpack(sa_xattr_packed
, sa_xattr_size
, &sa_xattr
, 0);
1783 free(sa_xattr_packed
);
1787 while ((elem
= nvlist_next_nvpair(sa_xattr
, elem
)) != NULL
)
1790 (void) printf("\tSA xattrs: %d bytes, %d entries\n\n",
1791 sa_xattr_size
, sa_xattr_entries
);
1792 while ((elem
= nvlist_next_nvpair(sa_xattr
, elem
)) != NULL
) {
1796 (void) printf("\t\t%s = ", nvpair_name(elem
));
1797 nvpair_value_byte_array(elem
, &value
, &cnt
);
1798 for (idx
= 0; idx
< cnt
; ++idx
) {
1799 if (isprint(value
[idx
]))
1800 (void) putchar(value
[idx
]);
1802 (void) printf("\\%3.3o", value
[idx
]);
1804 (void) putchar('\n');
1807 nvlist_free(sa_xattr
);
1808 free(sa_xattr_packed
);
1813 dump_znode(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1815 char path
[MAXPATHLEN
* 2]; /* allow for xattr and failure prefix */
1817 uint64_t xattr
, rdev
, gen
;
1818 uint64_t uid
, gid
, mode
, fsize
, parent
, links
;
1820 uint64_t acctm
[2], modtm
[2], chgtm
[2], crtm
[2];
1821 time_t z_crtime
, z_atime
, z_mtime
, z_ctime
;
1822 sa_bulk_attr_t bulk
[12];
1826 VERIFY3P(os
, ==, sa_os
);
1827 if (sa_handle_get(os
, object
, NULL
, SA_HDL_PRIVATE
, &hdl
)) {
1828 (void) printf("Failed to get handle for SA znode\n");
1832 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_UID
], NULL
, &uid
, 8);
1833 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_GID
], NULL
, &gid
, 8);
1834 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_LINKS
], NULL
,
1836 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_GEN
], NULL
, &gen
, 8);
1837 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_MODE
], NULL
,
1839 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_PARENT
],
1841 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_SIZE
], NULL
,
1843 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_ATIME
], NULL
,
1845 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_MTIME
], NULL
,
1847 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_CRTIME
], NULL
,
1849 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_CTIME
], NULL
,
1851 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_FLAGS
], NULL
,
1854 if (sa_bulk_lookup(hdl
, bulk
, idx
)) {
1855 (void) sa_handle_destroy(hdl
);
1859 z_crtime
= (time_t)crtm
[0];
1860 z_atime
= (time_t)acctm
[0];
1861 z_mtime
= (time_t)modtm
[0];
1862 z_ctime
= (time_t)chgtm
[0];
1864 if (dump_opt
['d'] > 4) {
1865 error
= zfs_obj_to_path(os
, object
, path
, sizeof (path
));
1867 (void) snprintf(path
, sizeof (path
),
1868 "\?\?\?<object#%llu>", (u_longlong_t
)object
);
1870 (void) printf("\tpath %s\n", path
);
1872 dump_uidgid(os
, uid
, gid
);
1873 (void) printf("\tatime %s", ctime(&z_atime
));
1874 (void) printf("\tmtime %s", ctime(&z_mtime
));
1875 (void) printf("\tctime %s", ctime(&z_ctime
));
1876 (void) printf("\tcrtime %s", ctime(&z_crtime
));
1877 (void) printf("\tgen %llu\n", (u_longlong_t
)gen
);
1878 (void) printf("\tmode %llo\n", (u_longlong_t
)mode
);
1879 (void) printf("\tsize %llu\n", (u_longlong_t
)fsize
);
1880 (void) printf("\tparent %llu\n", (u_longlong_t
)parent
);
1881 (void) printf("\tlinks %llu\n", (u_longlong_t
)links
);
1882 (void) printf("\tpflags %llx\n", (u_longlong_t
)pflags
);
1883 if (dmu_objset_projectquota_enabled(os
) && (pflags
& ZFS_PROJID
)) {
1886 if (sa_lookup(hdl
, sa_attr_table
[ZPL_PROJID
], &projid
,
1887 sizeof (uint64_t)) == 0)
1888 (void) printf("\tprojid %llu\n", (u_longlong_t
)projid
);
1890 if (sa_lookup(hdl
, sa_attr_table
[ZPL_XATTR
], &xattr
,
1891 sizeof (uint64_t)) == 0)
1892 (void) printf("\txattr %llu\n", (u_longlong_t
)xattr
);
1893 if (sa_lookup(hdl
, sa_attr_table
[ZPL_RDEV
], &rdev
,
1894 sizeof (uint64_t)) == 0)
1895 (void) printf("\trdev 0x%016llx\n", (u_longlong_t
)rdev
);
1896 dump_znode_sa_xattr(hdl
);
1897 sa_handle_destroy(hdl
);
1902 dump_acl(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1908 dump_dmu_objset(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1912 static object_viewer_t
*object_viewer
[DMU_OT_NUMTYPES
+ 1] = {
1913 dump_none
, /* unallocated */
1914 dump_zap
, /* object directory */
1915 dump_uint64
, /* object array */
1916 dump_none
, /* packed nvlist */
1917 dump_packed_nvlist
, /* packed nvlist size */
1918 dump_none
, /* bpobj */
1919 dump_bpobj
, /* bpobj header */
1920 dump_none
, /* SPA space map header */
1921 dump_none
, /* SPA space map */
1922 dump_none
, /* ZIL intent log */
1923 dump_dnode
, /* DMU dnode */
1924 dump_dmu_objset
, /* DMU objset */
1925 dump_dsl_dir
, /* DSL directory */
1926 dump_zap
, /* DSL directory child map */
1927 dump_zap
, /* DSL dataset snap map */
1928 dump_zap
, /* DSL props */
1929 dump_dsl_dataset
, /* DSL dataset */
1930 dump_znode
, /* ZFS znode */
1931 dump_acl
, /* ZFS V0 ACL */
1932 dump_uint8
, /* ZFS plain file */
1933 dump_zpldir
, /* ZFS directory */
1934 dump_zap
, /* ZFS master node */
1935 dump_zap
, /* ZFS delete queue */
1936 dump_uint8
, /* zvol object */
1937 dump_zap
, /* zvol prop */
1938 dump_uint8
, /* other uint8[] */
1939 dump_uint64
, /* other uint64[] */
1940 dump_zap
, /* other ZAP */
1941 dump_zap
, /* persistent error log */
1942 dump_uint8
, /* SPA history */
1943 dump_history_offsets
, /* SPA history offsets */
1944 dump_zap
, /* Pool properties */
1945 dump_zap
, /* DSL permissions */
1946 dump_acl
, /* ZFS ACL */
1947 dump_uint8
, /* ZFS SYSACL */
1948 dump_none
, /* FUID nvlist */
1949 dump_packed_nvlist
, /* FUID nvlist size */
1950 dump_zap
, /* DSL dataset next clones */
1951 dump_zap
, /* DSL scrub queue */
1952 dump_zap
, /* ZFS user/group/project used */
1953 dump_zap
, /* ZFS user/group/project quota */
1954 dump_zap
, /* snapshot refcount tags */
1955 dump_ddt_zap
, /* DDT ZAP object */
1956 dump_zap
, /* DDT statistics */
1957 dump_znode
, /* SA object */
1958 dump_zap
, /* SA Master Node */
1959 dump_sa_attrs
, /* SA attribute registration */
1960 dump_sa_layouts
, /* SA attribute layouts */
1961 dump_zap
, /* DSL scrub translations */
1962 dump_none
, /* fake dedup BP */
1963 dump_zap
, /* deadlist */
1964 dump_none
, /* deadlist hdr */
1965 dump_zap
, /* dsl clones */
1966 dump_bpobj_subobjs
, /* bpobj subobjs */
1967 dump_unknown
, /* Unknown type, must be last */
1971 dump_object(objset_t
*os
, uint64_t object
, int verbosity
, int *print_header
,
1972 uint64_t *dnode_slots_used
)
1974 dmu_buf_t
*db
= NULL
;
1975 dmu_object_info_t doi
;
1977 boolean_t dnode_held
= B_FALSE
;
1980 char iblk
[32], dblk
[32], lsize
[32], asize
[32], fill
[32], dnsize
[32];
1981 char bonus_size
[32];
1985 /* make sure nicenum has enough space */
1986 CTASSERT(sizeof (iblk
) >= NN_NUMBUF_SZ
);
1987 CTASSERT(sizeof (dblk
) >= NN_NUMBUF_SZ
);
1988 CTASSERT(sizeof (lsize
) >= NN_NUMBUF_SZ
);
1989 CTASSERT(sizeof (asize
) >= NN_NUMBUF_SZ
);
1990 CTASSERT(sizeof (bonus_size
) >= NN_NUMBUF_SZ
);
1992 if (*print_header
) {
1993 (void) printf("\n%10s %3s %5s %5s %5s %6s %5s %6s %s\n",
1994 "Object", "lvl", "iblk", "dblk", "dsize", "dnsize",
1995 "lsize", "%full", "type");
2000 dn
= DMU_META_DNODE(os
);
2001 dmu_object_info_from_dnode(dn
, &doi
);
2004 * Encrypted datasets will have sensitive bonus buffers
2005 * encrypted. Therefore we cannot hold the bonus buffer and
2006 * must hold the dnode itself instead.
2008 error
= dmu_object_info(os
, object
, &doi
);
2010 fatal("dmu_object_info() failed, errno %u", error
);
2012 if (os
->os_encrypted
&&
2013 DMU_OT_IS_ENCRYPTED(doi
.doi_bonus_type
)) {
2014 error
= dnode_hold(os
, object
, FTAG
, &dn
);
2016 fatal("dnode_hold() failed, errno %u", error
);
2017 dnode_held
= B_TRUE
;
2019 error
= dmu_bonus_hold(os
, object
, FTAG
, &db
);
2021 fatal("dmu_bonus_hold(%llu) failed, errno %u",
2023 bonus
= db
->db_data
;
2024 bsize
= db
->db_size
;
2025 dn
= DB_DNODE((dmu_buf_impl_t
*)db
);
2029 if (dnode_slots_used
)
2030 *dnode_slots_used
= doi
.doi_dnodesize
/ DNODE_MIN_SIZE
;
2032 zdb_nicenum(doi
.doi_metadata_block_size
, iblk
, sizeof (iblk
));
2033 zdb_nicenum(doi
.doi_data_block_size
, dblk
, sizeof (dblk
));
2034 zdb_nicenum(doi
.doi_max_offset
, lsize
, sizeof (lsize
));
2035 zdb_nicenum(doi
.doi_physical_blocks_512
<< 9, asize
, sizeof (asize
));
2036 zdb_nicenum(doi
.doi_bonus_size
, bonus_size
, sizeof (bonus_size
));
2037 zdb_nicenum(doi
.doi_dnodesize
, dnsize
, sizeof (dnsize
));
2038 (void) sprintf(fill
, "%6.2f", 100.0 * doi
.doi_fill_count
*
2039 doi
.doi_data_block_size
/ (object
== 0 ? DNODES_PER_BLOCK
: 1) /
2040 doi
.doi_max_offset
);
2044 if (doi
.doi_checksum
!= ZIO_CHECKSUM_INHERIT
|| verbosity
>= 6) {
2045 (void) snprintf(aux
+ strlen(aux
), sizeof (aux
) - strlen(aux
),
2046 " (K=%s)", ZDB_CHECKSUM_NAME(doi
.doi_checksum
));
2049 if (doi
.doi_compress
!= ZIO_COMPRESS_INHERIT
|| verbosity
>= 6) {
2050 (void) snprintf(aux
+ strlen(aux
), sizeof (aux
) - strlen(aux
),
2051 " (Z=%s)", ZDB_COMPRESS_NAME(doi
.doi_compress
));
2054 (void) printf("%10lld %3u %5s %5s %5s %6s %5s %6s %s%s\n",
2055 (u_longlong_t
)object
, doi
.doi_indirection
, iblk
, dblk
,
2056 asize
, dnsize
, lsize
, fill
, zdb_ot_name(doi
.doi_type
), aux
);
2058 if (doi
.doi_bonus_type
!= DMU_OT_NONE
&& verbosity
> 3) {
2059 (void) printf("%10s %3s %5s %5s %5s %5s %5s %6s %s\n",
2060 "", "", "", "", "", "", bonus_size
, "bonus",
2061 zdb_ot_name(doi
.doi_bonus_type
));
2064 if (verbosity
>= 4) {
2065 (void) printf("\tdnode flags: %s%s%s%s\n",
2066 (dn
->dn_phys
->dn_flags
& DNODE_FLAG_USED_BYTES
) ?
2068 (dn
->dn_phys
->dn_flags
& DNODE_FLAG_USERUSED_ACCOUNTED
) ?
2069 "USERUSED_ACCOUNTED " : "",
2070 (dn
->dn_phys
->dn_flags
& DNODE_FLAG_USEROBJUSED_ACCOUNTED
) ?
2071 "USEROBJUSED_ACCOUNTED " : "",
2072 (dn
->dn_phys
->dn_flags
& DNODE_FLAG_SPILL_BLKPTR
) ?
2073 "SPILL_BLKPTR" : "");
2074 (void) printf("\tdnode maxblkid: %llu\n",
2075 (longlong_t
)dn
->dn_phys
->dn_maxblkid
);
2078 object_viewer
[ZDB_OT_TYPE(doi
.doi_bonus_type
)](os
,
2079 object
, bonus
, bsize
);
2081 (void) printf("\t\t(bonus encrypted)\n");
2084 if (!os
->os_encrypted
|| !DMU_OT_IS_ENCRYPTED(doi
.doi_type
)) {
2085 object_viewer
[ZDB_OT_TYPE(doi
.doi_type
)](os
, object
,
2088 (void) printf("\t\t(object encrypted)\n");
2097 if (verbosity
>= 5) {
2099 * Report the list of segments that comprise the object.
2103 uint64_t blkfill
= 1;
2106 if (dn
->dn_type
== DMU_OT_DNODE
) {
2108 blkfill
= DNODES_PER_BLOCK
;
2113 /* make sure nicenum has enough space */
2114 CTASSERT(sizeof (segsize
) >= NN_NUMBUF_SZ
);
2115 error
= dnode_next_offset(dn
,
2116 0, &start
, minlvl
, blkfill
, 0);
2120 error
= dnode_next_offset(dn
,
2121 DNODE_FIND_HOLE
, &end
, minlvl
, blkfill
, 0);
2122 zdb_nicenum(end
- start
, segsize
, sizeof (segsize
));
2123 (void) printf("\t\tsegment [%016llx, %016llx)"
2124 " size %5s\n", (u_longlong_t
)start
,
2125 (u_longlong_t
)end
, segsize
);
2133 dmu_buf_rele(db
, FTAG
);
2135 dnode_rele(dn
, FTAG
);
2138 static const char *objset_types
[DMU_OST_NUMTYPES
] = {
2139 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" };
2142 dump_dir(objset_t
*os
)
2144 dmu_objset_stats_t dds
;
2145 uint64_t object
, object_count
;
2146 uint64_t refdbytes
, usedobjs
, scratch
;
2148 char blkbuf
[BP_SPRINTF_LEN
+ 20];
2149 char osname
[ZFS_MAX_DATASET_NAME_LEN
];
2150 const char *type
= "UNKNOWN";
2151 int verbosity
= dump_opt
['d'];
2152 int print_header
= 1;
2155 uint64_t total_slots_used
= 0;
2156 uint64_t max_slot_used
= 0;
2157 uint64_t dnode_slots
;
2159 /* make sure nicenum has enough space */
2160 CTASSERT(sizeof (numbuf
) >= NN_NUMBUF_SZ
);
2162 dsl_pool_config_enter(dmu_objset_pool(os
), FTAG
);
2163 dmu_objset_fast_stat(os
, &dds
);
2164 dsl_pool_config_exit(dmu_objset_pool(os
), FTAG
);
2166 if (dds
.dds_type
< DMU_OST_NUMTYPES
)
2167 type
= objset_types
[dds
.dds_type
];
2169 if (dds
.dds_type
== DMU_OST_META
) {
2170 dds
.dds_creation_txg
= TXG_INITIAL
;
2171 usedobjs
= BP_GET_FILL(os
->os_rootbp
);
2172 refdbytes
= dsl_dir_phys(os
->os_spa
->spa_dsl_pool
->dp_mos_dir
)->
2175 dmu_objset_space(os
, &refdbytes
, &scratch
, &usedobjs
, &scratch
);
2178 ASSERT3U(usedobjs
, ==, BP_GET_FILL(os
->os_rootbp
));
2180 zdb_nicenum(refdbytes
, numbuf
, sizeof (numbuf
));
2182 if (verbosity
>= 4) {
2183 (void) snprintf(blkbuf
, sizeof (blkbuf
), ", rootbp ");
2184 (void) snprintf_blkptr(blkbuf
+ strlen(blkbuf
),
2185 sizeof (blkbuf
) - strlen(blkbuf
), os
->os_rootbp
);
2190 dmu_objset_name(os
, osname
);
2192 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, "
2193 "%s, %llu objects%s\n",
2194 osname
, type
, (u_longlong_t
)dmu_objset_id(os
),
2195 (u_longlong_t
)dds
.dds_creation_txg
,
2196 numbuf
, (u_longlong_t
)usedobjs
, blkbuf
);
2198 if (zopt_objects
!= 0) {
2199 for (i
= 0; i
< zopt_objects
; i
++)
2200 dump_object(os
, zopt_object
[i
], verbosity
,
2201 &print_header
, NULL
);
2202 (void) printf("\n");
2206 if (dump_opt
['i'] != 0 || verbosity
>= 2)
2207 dump_intent_log(dmu_objset_zil(os
));
2209 if (dmu_objset_ds(os
) != NULL
)
2210 dump_deadlist(&dmu_objset_ds(os
)->ds_deadlist
);
2215 if (BP_IS_HOLE(os
->os_rootbp
))
2218 dump_object(os
, 0, verbosity
, &print_header
, NULL
);
2220 if (DMU_USERUSED_DNODE(os
) != NULL
&&
2221 DMU_USERUSED_DNODE(os
)->dn_type
!= 0) {
2222 dump_object(os
, DMU_USERUSED_OBJECT
, verbosity
, &print_header
,
2224 dump_object(os
, DMU_GROUPUSED_OBJECT
, verbosity
, &print_header
,
2228 if (DMU_PROJECTUSED_DNODE(os
) != NULL
&&
2229 DMU_PROJECTUSED_DNODE(os
)->dn_type
!= 0)
2230 dump_object(os
, DMU_PROJECTUSED_OBJECT
, verbosity
,
2231 &print_header
, NULL
);
2234 while ((error
= dmu_object_next(os
, &object
, B_FALSE
, 0)) == 0) {
2235 dump_object(os
, object
, verbosity
, &print_header
, &dnode_slots
);
2237 total_slots_used
+= dnode_slots
;
2238 max_slot_used
= object
+ dnode_slots
- 1;
2241 (void) printf("\n");
2243 (void) printf(" Dnode slots:\n");
2244 (void) printf("\tTotal used: %10llu\n",
2245 (u_longlong_t
)total_slots_used
);
2246 (void) printf("\tMax used: %10llu\n",
2247 (u_longlong_t
)max_slot_used
);
2248 (void) printf("\tPercent empty: %10lf\n",
2249 (double)(max_slot_used
- total_slots_used
)*100 /
2250 (double)max_slot_used
);
2252 (void) printf("\n");
2254 if (error
!= ESRCH
) {
2255 (void) fprintf(stderr
, "dmu_object_next() = %d\n", error
);
2259 ASSERT3U(object_count
, ==, usedobjs
);
2263 dump_uberblock(uberblock_t
*ub
, const char *header
, const char *footer
)
2265 time_t timestamp
= ub
->ub_timestamp
;
2267 (void) printf("%s", header
? header
: "");
2268 (void) printf("\tmagic = %016llx\n", (u_longlong_t
)ub
->ub_magic
);
2269 (void) printf("\tversion = %llu\n", (u_longlong_t
)ub
->ub_version
);
2270 (void) printf("\ttxg = %llu\n", (u_longlong_t
)ub
->ub_txg
);
2271 (void) printf("\tguid_sum = %llu\n", (u_longlong_t
)ub
->ub_guid_sum
);
2272 (void) printf("\ttimestamp = %llu UTC = %s",
2273 (u_longlong_t
)ub
->ub_timestamp
, asctime(localtime(×tamp
)));
2275 (void) printf("\tmmp_magic = %016llx\n",
2276 (u_longlong_t
)ub
->ub_mmp_magic
);
2277 if (ub
->ub_mmp_magic
== MMP_MAGIC
)
2278 (void) printf("\tmmp_delay = %0llu\n",
2279 (u_longlong_t
)ub
->ub_mmp_delay
);
2281 if (dump_opt
['u'] >= 4) {
2282 char blkbuf
[BP_SPRINTF_LEN
];
2283 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), &ub
->ub_rootbp
);
2284 (void) printf("\trootbp = %s\n", blkbuf
);
2286 (void) printf("%s", footer
? footer
: "");
2290 dump_config(spa_t
*spa
)
2297 error
= dmu_bonus_hold(spa
->spa_meta_objset
,
2298 spa
->spa_config_object
, FTAG
, &db
);
2301 nvsize
= *(uint64_t *)db
->db_data
;
2302 dmu_buf_rele(db
, FTAG
);
2304 (void) printf("\nMOS Configuration:\n");
2305 dump_packed_nvlist(spa
->spa_meta_objset
,
2306 spa
->spa_config_object
, (void *)&nvsize
, 1);
2308 (void) fprintf(stderr
, "dmu_bonus_hold(%llu) failed, errno %d",
2309 (u_longlong_t
)spa
->spa_config_object
, error
);
2314 dump_cachefile(const char *cachefile
)
2317 struct stat64 statbuf
;
2321 if ((fd
= open64(cachefile
, O_RDONLY
)) < 0) {
2322 (void) printf("cannot open '%s': %s\n", cachefile
,
2327 if (fstat64(fd
, &statbuf
) != 0) {
2328 (void) printf("failed to stat '%s': %s\n", cachefile
,
2333 if ((buf
= malloc(statbuf
.st_size
)) == NULL
) {
2334 (void) fprintf(stderr
, "failed to allocate %llu bytes\n",
2335 (u_longlong_t
)statbuf
.st_size
);
2339 if (read(fd
, buf
, statbuf
.st_size
) != statbuf
.st_size
) {
2340 (void) fprintf(stderr
, "failed to read %llu bytes\n",
2341 (u_longlong_t
)statbuf
.st_size
);
2347 if (nvlist_unpack(buf
, statbuf
.st_size
, &config
, 0) != 0) {
2348 (void) fprintf(stderr
, "failed to unpack nvlist\n");
2354 dump_nvlist(config
, 0);
2356 nvlist_free(config
);
2360 * ZFS label nvlist stats
2362 typedef struct zdb_nvl_stats
{
2365 size_t zns_leaf_largest
;
2366 size_t zns_leaf_total
;
2367 nvlist_t
*zns_string
;
2368 nvlist_t
*zns_uint64
;
2369 nvlist_t
*zns_boolean
;
2373 collect_nvlist_stats(nvlist_t
*nvl
, zdb_nvl_stats_t
*stats
)
2375 nvlist_t
*list
, **array
;
2376 nvpair_t
*nvp
= NULL
;
2380 stats
->zns_list_count
++;
2382 while ((nvp
= nvlist_next_nvpair(nvl
, nvp
)) != NULL
) {
2383 name
= nvpair_name(nvp
);
2385 switch (nvpair_type(nvp
)) {
2386 case DATA_TYPE_STRING
:
2387 fnvlist_add_string(stats
->zns_string
, name
,
2388 fnvpair_value_string(nvp
));
2390 case DATA_TYPE_UINT64
:
2391 fnvlist_add_uint64(stats
->zns_uint64
, name
,
2392 fnvpair_value_uint64(nvp
));
2394 case DATA_TYPE_BOOLEAN
:
2395 fnvlist_add_boolean(stats
->zns_boolean
, name
);
2397 case DATA_TYPE_NVLIST
:
2398 if (nvpair_value_nvlist(nvp
, &list
) == 0)
2399 collect_nvlist_stats(list
, stats
);
2401 case DATA_TYPE_NVLIST_ARRAY
:
2402 if (nvpair_value_nvlist_array(nvp
, &array
, &items
) != 0)
2405 for (i
= 0; i
< items
; i
++) {
2406 collect_nvlist_stats(array
[i
], stats
);
2408 /* collect stats on leaf vdev */
2409 if (strcmp(name
, "children") == 0) {
2412 (void) nvlist_size(array
[i
], &size
,
2414 stats
->zns_leaf_total
+= size
;
2415 if (size
> stats
->zns_leaf_largest
)
2416 stats
->zns_leaf_largest
= size
;
2417 stats
->zns_leaf_count
++;
2422 (void) printf("skip type %d!\n", (int)nvpair_type(nvp
));
2428 dump_nvlist_stats(nvlist_t
*nvl
, size_t cap
)
2430 zdb_nvl_stats_t stats
= { 0 };
2431 size_t size
, sum
= 0, total
;
2434 /* requires nvlist with non-unique names for stat collection */
2435 VERIFY0(nvlist_alloc(&stats
.zns_string
, 0, 0));
2436 VERIFY0(nvlist_alloc(&stats
.zns_uint64
, 0, 0));
2437 VERIFY0(nvlist_alloc(&stats
.zns_boolean
, 0, 0));
2438 VERIFY0(nvlist_size(stats
.zns_boolean
, &noise
, NV_ENCODE_XDR
));
2440 (void) printf("\n\nZFS Label NVList Config Stats:\n");
2442 VERIFY0(nvlist_size(nvl
, &total
, NV_ENCODE_XDR
));
2443 (void) printf(" %d bytes used, %d bytes free (using %4.1f%%)\n\n",
2444 (int)total
, (int)(cap
- total
), 100.0 * total
/ cap
);
2446 collect_nvlist_stats(nvl
, &stats
);
2448 VERIFY0(nvlist_size(stats
.zns_uint64
, &size
, NV_ENCODE_XDR
));
2451 (void) printf("%12s %4d %6d bytes (%5.2f%%)\n", "integers:",
2452 (int)fnvlist_num_pairs(stats
.zns_uint64
),
2453 (int)size
, 100.0 * size
/ total
);
2455 VERIFY0(nvlist_size(stats
.zns_string
, &size
, NV_ENCODE_XDR
));
2458 (void) printf("%12s %4d %6d bytes (%5.2f%%)\n", "strings:",
2459 (int)fnvlist_num_pairs(stats
.zns_string
),
2460 (int)size
, 100.0 * size
/ total
);
2462 VERIFY0(nvlist_size(stats
.zns_boolean
, &size
, NV_ENCODE_XDR
));
2465 (void) printf("%12s %4d %6d bytes (%5.2f%%)\n", "booleans:",
2466 (int)fnvlist_num_pairs(stats
.zns_boolean
),
2467 (int)size
, 100.0 * size
/ total
);
2469 size
= total
- sum
; /* treat remainder as nvlist overhead */
2470 (void) printf("%12s %4d %6d bytes (%5.2f%%)\n\n", "nvlists:",
2471 stats
.zns_list_count
, (int)size
, 100.0 * size
/ total
);
2473 if (stats
.zns_leaf_count
> 0) {
2474 size_t average
= stats
.zns_leaf_total
/ stats
.zns_leaf_count
;
2476 (void) printf("%12s %4d %6d bytes average\n", "leaf vdevs:",
2477 stats
.zns_leaf_count
, (int)average
);
2478 (void) printf("%24d bytes largest\n",
2479 (int)stats
.zns_leaf_largest
);
2481 if (dump_opt
['l'] >= 3 && average
> 0)
2482 (void) printf(" space for %d additional leaf vdevs\n",
2483 (int)((cap
- total
) / average
));
2485 (void) printf("\n");
2487 nvlist_free(stats
.zns_string
);
2488 nvlist_free(stats
.zns_uint64
);
2489 nvlist_free(stats
.zns_boolean
);
2492 typedef struct cksum_record
{
2494 boolean_t labels
[VDEV_LABELS
];
2499 cksum_record_compare(const void *x1
, const void *x2
)
2501 const cksum_record_t
*l
= (cksum_record_t
*)x1
;
2502 const cksum_record_t
*r
= (cksum_record_t
*)x2
;
2503 int arraysize
= ARRAY_SIZE(l
->cksum
.zc_word
);
2506 for (int i
= 0; i
< arraysize
; i
++) {
2507 difference
= AVL_CMP(l
->cksum
.zc_word
[i
], r
->cksum
.zc_word
[i
]);
2512 return (difference
);
2515 static cksum_record_t
*
2516 cksum_record_alloc(zio_cksum_t
*cksum
, int l
)
2518 cksum_record_t
*rec
;
2520 rec
= umem_zalloc(sizeof (*rec
), UMEM_NOFAIL
);
2521 rec
->cksum
= *cksum
;
2522 rec
->labels
[l
] = B_TRUE
;
2527 static cksum_record_t
*
2528 cksum_record_lookup(avl_tree_t
*tree
, zio_cksum_t
*cksum
)
2530 cksum_record_t lookup
= { .cksum
= *cksum
};
2533 return (avl_find(tree
, &lookup
, &where
));
2536 static cksum_record_t
*
2537 cksum_record_insert(avl_tree_t
*tree
, zio_cksum_t
*cksum
, int l
)
2539 cksum_record_t
*rec
;
2541 rec
= cksum_record_lookup(tree
, cksum
);
2543 rec
->labels
[l
] = B_TRUE
;
2545 rec
= cksum_record_alloc(cksum
, l
);
2553 first_label(cksum_record_t
*rec
)
2555 for (int i
= 0; i
< VDEV_LABELS
; i
++)
2563 print_label_numbers(char *prefix
, cksum_record_t
*rec
)
2565 printf("%s", prefix
);
2566 for (int i
= 0; i
< VDEV_LABELS
; i
++)
2567 if (rec
->labels
[i
] == B_TRUE
)
2572 #define MAX_UBERBLOCK_COUNT (VDEV_UBERBLOCK_RING >> UBERBLOCK_SHIFT)
2574 typedef struct label
{
2576 nvlist_t
*config_nv
;
2577 cksum_record_t
*config
;
2578 cksum_record_t
*uberblocks
[MAX_UBERBLOCK_COUNT
];
2579 boolean_t header_printed
;
2580 boolean_t read_failed
;
2584 print_label_header(label_t
*label
, int l
)
2590 if (label
->header_printed
== B_TRUE
)
2593 (void) printf("------------------------------------\n");
2594 (void) printf("LABEL %d\n", l
);
2595 (void) printf("------------------------------------\n");
2597 label
->header_printed
= B_TRUE
;
2601 dump_config_from_label(label_t
*label
, size_t buflen
, int l
)
2606 if ((dump_opt
['l'] < 3) && (first_label(label
->config
) != l
))
2609 print_label_header(label
, l
);
2610 dump_nvlist(label
->config_nv
, 4);
2611 print_label_numbers(" labels = ", label
->config
);
2613 if (dump_opt
['l'] >= 2)
2614 dump_nvlist_stats(label
->config_nv
, buflen
);
2617 #define ZDB_MAX_UB_HEADER_SIZE 32
2620 dump_label_uberblocks(label_t
*label
, uint64_t ashift
, int label_num
)
2624 char header
[ZDB_MAX_UB_HEADER_SIZE
];
2626 vd
.vdev_ashift
= ashift
;
2629 for (int i
= 0; i
< VDEV_UBERBLOCK_COUNT(&vd
); i
++) {
2630 uint64_t uoff
= VDEV_UBERBLOCK_OFFSET(&vd
, i
);
2631 uberblock_t
*ub
= (void *)((char *)&label
->label
+ uoff
);
2632 cksum_record_t
*rec
= label
->uberblocks
[i
];
2635 if (dump_opt
['u'] >= 2) {
2636 print_label_header(label
, label_num
);
2637 (void) printf(" Uberblock[%d] invalid\n", i
);
2642 if ((dump_opt
['u'] < 3) && (first_label(rec
) != label_num
))
2645 if ((dump_opt
['u'] < 4) &&
2646 (ub
->ub_mmp_magic
== MMP_MAGIC
) && ub
->ub_mmp_delay
&&
2647 (i
>= VDEV_UBERBLOCK_COUNT(&vd
) - MMP_BLOCKS_PER_LABEL
))
2650 print_label_header(label
, label_num
);
2651 (void) snprintf(header
, ZDB_MAX_UB_HEADER_SIZE
,
2652 " Uberblock[%d]\n", i
);
2653 dump_uberblock(ub
, header
, "");
2654 print_label_numbers(" labels = ", rec
);
2658 static char curpath
[PATH_MAX
];
2661 * Iterate through the path components, recursively passing
2662 * current one's obj and remaining path until we find the obj
2666 dump_path_impl(objset_t
*os
, uint64_t obj
, char *name
)
2673 dmu_object_info_t doi
;
2675 if ((s
= strchr(name
, '/')) != NULL
)
2677 err
= zap_lookup(os
, obj
, name
, 8, 1, &child_obj
);
2679 (void) strlcat(curpath
, name
, sizeof (curpath
));
2682 (void) fprintf(stderr
, "failed to lookup %s: %s\n",
2683 curpath
, strerror(err
));
2687 child_obj
= ZFS_DIRENT_OBJ(child_obj
);
2688 err
= sa_buf_hold(os
, child_obj
, FTAG
, &db
);
2690 (void) fprintf(stderr
,
2691 "failed to get SA dbuf for obj %llu: %s\n",
2692 (u_longlong_t
)child_obj
, strerror(err
));
2695 dmu_object_info_from_db(db
, &doi
);
2696 sa_buf_rele(db
, FTAG
);
2698 if (doi
.doi_bonus_type
!= DMU_OT_SA
&&
2699 doi
.doi_bonus_type
!= DMU_OT_ZNODE
) {
2700 (void) fprintf(stderr
, "invalid bonus type %d for obj %llu\n",
2701 doi
.doi_bonus_type
, (u_longlong_t
)child_obj
);
2705 if (dump_opt
['v'] > 6) {
2706 (void) printf("obj=%llu %s type=%d bonustype=%d\n",
2707 (u_longlong_t
)child_obj
, curpath
, doi
.doi_type
,
2708 doi
.doi_bonus_type
);
2711 (void) strlcat(curpath
, "/", sizeof (curpath
));
2713 switch (doi
.doi_type
) {
2714 case DMU_OT_DIRECTORY_CONTENTS
:
2715 if (s
!= NULL
&& *(s
+ 1) != '\0')
2716 return (dump_path_impl(os
, child_obj
, s
+ 1));
2718 case DMU_OT_PLAIN_FILE_CONTENTS
:
2719 dump_object(os
, child_obj
, dump_opt
['v'], &header
, NULL
);
2722 (void) fprintf(stderr
, "object %llu has non-file/directory "
2723 "type %d\n", (u_longlong_t
)obj
, doi
.doi_type
);
2731 * Dump the blocks for the object specified by path inside the dataset.
2734 dump_path(char *ds
, char *path
)
2740 err
= open_objset(ds
, DMU_OST_ZFS
, FTAG
, &os
);
2744 err
= zap_lookup(os
, MASTER_NODE_OBJ
, ZFS_ROOT_OBJ
, 8, 1, &root_obj
);
2746 (void) fprintf(stderr
, "can't lookup root znode: %s\n",
2748 dmu_objset_disown(os
, B_FALSE
, FTAG
);
2752 (void) snprintf(curpath
, sizeof (curpath
), "dataset=%s path=/", ds
);
2754 err
= dump_path_impl(os
, root_obj
, path
);
2756 close_objset(os
, FTAG
);
2761 dump_label(const char *dev
)
2763 char path
[MAXPATHLEN
];
2764 label_t labels
[VDEV_LABELS
];
2765 uint64_t psize
, ashift
;
2766 struct stat64 statbuf
;
2767 boolean_t config_found
= B_FALSE
;
2768 boolean_t error
= B_FALSE
;
2769 avl_tree_t config_tree
;
2770 avl_tree_t uberblock_tree
;
2771 void *node
, *cookie
;
2774 bzero(labels
, sizeof (labels
));
2777 * Check if we were given absolute path and use it as is.
2778 * Otherwise if the provided vdev name doesn't point to a file,
2779 * try prepending expected disk paths and partition numbers.
2781 (void) strlcpy(path
, dev
, sizeof (path
));
2782 if (dev
[0] != '/' && stat64(path
, &statbuf
) != 0) {
2785 error
= zfs_resolve_shortname(dev
, path
, MAXPATHLEN
);
2786 if (error
== 0 && zfs_dev_is_whole_disk(path
)) {
2787 if (zfs_append_partition(path
, MAXPATHLEN
) == -1)
2791 if (error
|| (stat64(path
, &statbuf
) != 0)) {
2792 (void) printf("failed to find device %s, try "
2793 "specifying absolute path instead\n", dev
);
2798 if ((fd
= open64(path
, O_RDONLY
)) < 0) {
2799 (void) printf("cannot open '%s': %s\n", path
, strerror(errno
));
2803 if (fstat64_blk(fd
, &statbuf
) != 0) {
2804 (void) printf("failed to stat '%s': %s\n", path
,
2810 if (S_ISBLK(statbuf
.st_mode
) && ioctl(fd
, BLKFLSBUF
) != 0)
2811 (void) printf("failed to invalidate cache '%s' : %s\n", path
,
2814 avl_create(&config_tree
, cksum_record_compare
,
2815 sizeof (cksum_record_t
), offsetof(cksum_record_t
, link
));
2816 avl_create(&uberblock_tree
, cksum_record_compare
,
2817 sizeof (cksum_record_t
), offsetof(cksum_record_t
, link
));
2819 psize
= statbuf
.st_size
;
2820 psize
= P2ALIGN(psize
, (uint64_t)sizeof (vdev_label_t
));
2821 ashift
= SPA_MINBLOCKSHIFT
;
2824 * 1. Read the label from disk
2825 * 2. Unpack the configuration and insert in config tree.
2826 * 3. Traverse all uberblocks and insert in uberblock tree.
2828 for (int l
= 0; l
< VDEV_LABELS
; l
++) {
2829 label_t
*label
= &labels
[l
];
2830 char *buf
= label
->label
.vl_vdev_phys
.vp_nvlist
;
2831 size_t buflen
= sizeof (label
->label
.vl_vdev_phys
.vp_nvlist
);
2833 cksum_record_t
*rec
;
2837 if (pread64(fd
, &label
->label
, sizeof (label
->label
),
2838 vdev_label_offset(psize
, l
, 0)) != sizeof (label
->label
)) {
2840 (void) printf("failed to read label %d\n", l
);
2841 label
->read_failed
= B_TRUE
;
2846 label
->read_failed
= B_FALSE
;
2848 if (nvlist_unpack(buf
, buflen
, &config
, 0) == 0) {
2849 nvlist_t
*vdev_tree
= NULL
;
2852 if ((nvlist_lookup_nvlist(config
,
2853 ZPOOL_CONFIG_VDEV_TREE
, &vdev_tree
) != 0) ||
2854 (nvlist_lookup_uint64(vdev_tree
,
2855 ZPOOL_CONFIG_ASHIFT
, &ashift
) != 0))
2856 ashift
= SPA_MINBLOCKSHIFT
;
2858 if (nvlist_size(config
, &size
, NV_ENCODE_XDR
) != 0)
2861 fletcher_4_native_varsize(buf
, size
, &cksum
);
2862 rec
= cksum_record_insert(&config_tree
, &cksum
, l
);
2864 label
->config
= rec
;
2865 label
->config_nv
= config
;
2866 config_found
= B_TRUE
;
2871 vd
.vdev_ashift
= ashift
;
2874 for (int i
= 0; i
< VDEV_UBERBLOCK_COUNT(&vd
); i
++) {
2875 uint64_t uoff
= VDEV_UBERBLOCK_OFFSET(&vd
, i
);
2876 uberblock_t
*ub
= (void *)((char *)label
+ uoff
);
2878 if (uberblock_verify(ub
))
2881 fletcher_4_native_varsize(ub
, sizeof (*ub
), &cksum
);
2882 rec
= cksum_record_insert(&uberblock_tree
, &cksum
, l
);
2884 label
->uberblocks
[i
] = rec
;
2889 * Dump the label and uberblocks.
2891 for (int l
= 0; l
< VDEV_LABELS
; l
++) {
2892 label_t
*label
= &labels
[l
];
2893 size_t buflen
= sizeof (label
->label
.vl_vdev_phys
.vp_nvlist
);
2895 if (label
->read_failed
== B_TRUE
)
2898 if (label
->config_nv
) {
2899 dump_config_from_label(label
, buflen
, l
);
2902 (void) printf("failed to unpack label %d\n", l
);
2906 dump_label_uberblocks(label
, ashift
, l
);
2908 nvlist_free(label
->config_nv
);
2912 while ((node
= avl_destroy_nodes(&config_tree
, &cookie
)) != NULL
)
2913 umem_free(node
, sizeof (cksum_record_t
));
2916 while ((node
= avl_destroy_nodes(&uberblock_tree
, &cookie
)) != NULL
)
2917 umem_free(node
, sizeof (cksum_record_t
));
2919 avl_destroy(&config_tree
);
2920 avl_destroy(&uberblock_tree
);
2924 return (config_found
== B_FALSE
? 2 :
2925 (error
== B_TRUE
? 1 : 0));
2928 static uint64_t dataset_feature_count
[SPA_FEATURES
];
2932 dump_one_dir(const char *dsname
, void *arg
)
2938 error
= open_objset(dsname
, DMU_OST_ANY
, FTAG
, &os
);
2942 for (f
= 0; f
< SPA_FEATURES
; f
++) {
2943 if (!dmu_objset_ds(os
)->ds_feature_inuse
[f
])
2945 ASSERT(spa_feature_table
[f
].fi_flags
&
2946 ZFEATURE_FLAG_PER_DATASET
);
2947 dataset_feature_count
[f
]++;
2951 close_objset(os
, FTAG
);
2952 fuid_table_destroy();
2959 #define PSIZE_HISTO_SIZE (SPA_OLD_MAXBLOCKSIZE / SPA_MINBLOCKSIZE + 2)
2960 typedef struct zdb_blkstats
{
2966 uint64_t zb_ditto_samevdev
;
2967 uint64_t zb_psize_histogram
[PSIZE_HISTO_SIZE
];
2971 * Extended object types to report deferred frees and dedup auto-ditto blocks.
2973 #define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0)
2974 #define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1)
2975 #define ZDB_OT_OTHER (DMU_OT_NUMTYPES + 2)
2976 #define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 3)
2978 static const char *zdb_ot_extname
[] = {
2985 #define ZB_TOTAL DN_MAX_LEVELS
2987 typedef struct zdb_cb
{
2988 zdb_blkstats_t zcb_type
[ZB_TOTAL
+ 1][ZDB_OT_TOTAL
+ 1];
2989 uint64_t zcb_dedup_asize
;
2990 uint64_t zcb_dedup_blocks
;
2991 uint64_t zcb_embedded_blocks
[NUM_BP_EMBEDDED_TYPES
];
2992 uint64_t zcb_embedded_histogram
[NUM_BP_EMBEDDED_TYPES
]
2993 [BPE_PAYLOAD_SIZE
+ 1];
2995 hrtime_t zcb_lastprint
;
2996 uint64_t zcb_totalasize
;
2997 uint64_t zcb_errors
[256];
3004 zdb_count_block(zdb_cb_t
*zcb
, zilog_t
*zilog
, const blkptr_t
*bp
,
3005 dmu_object_type_t type
)
3007 uint64_t refcnt
= 0;
3010 ASSERT(type
< ZDB_OT_TOTAL
);
3012 if (zilog
&& zil_bp_tree_add(zilog
, bp
) != 0)
3015 for (i
= 0; i
< 4; i
++) {
3016 int l
= (i
< 2) ? BP_GET_LEVEL(bp
) : ZB_TOTAL
;
3017 int t
= (i
& 1) ? type
: ZDB_OT_TOTAL
;
3019 zdb_blkstats_t
*zb
= &zcb
->zcb_type
[l
][t
];
3021 zb
->zb_asize
+= BP_GET_ASIZE(bp
);
3022 zb
->zb_lsize
+= BP_GET_LSIZE(bp
);
3023 zb
->zb_psize
+= BP_GET_PSIZE(bp
);
3027 * The histogram is only big enough to record blocks up to
3028 * SPA_OLD_MAXBLOCKSIZE; larger blocks go into the last,
3031 unsigned idx
= BP_GET_PSIZE(bp
) >> SPA_MINBLOCKSHIFT
;
3032 idx
= MIN(idx
, SPA_OLD_MAXBLOCKSIZE
/ SPA_MINBLOCKSIZE
+ 1);
3033 zb
->zb_psize_histogram
[idx
]++;
3035 zb
->zb_gangs
+= BP_COUNT_GANG(bp
);
3037 switch (BP_GET_NDVAS(bp
)) {
3039 if (DVA_GET_VDEV(&bp
->blk_dva
[0]) ==
3040 DVA_GET_VDEV(&bp
->blk_dva
[1]))
3041 zb
->zb_ditto_samevdev
++;
3044 equal
= (DVA_GET_VDEV(&bp
->blk_dva
[0]) ==
3045 DVA_GET_VDEV(&bp
->blk_dva
[1])) +
3046 (DVA_GET_VDEV(&bp
->blk_dva
[0]) ==
3047 DVA_GET_VDEV(&bp
->blk_dva
[2])) +
3048 (DVA_GET_VDEV(&bp
->blk_dva
[1]) ==
3049 DVA_GET_VDEV(&bp
->blk_dva
[2]));
3051 zb
->zb_ditto_samevdev
++;
3057 if (BP_IS_EMBEDDED(bp
)) {
3058 zcb
->zcb_embedded_blocks
[BPE_GET_ETYPE(bp
)]++;
3059 zcb
->zcb_embedded_histogram
[BPE_GET_ETYPE(bp
)]
3060 [BPE_GET_PSIZE(bp
)]++;
3067 if (BP_GET_DEDUP(bp
)) {
3071 ddt
= ddt_select(zcb
->zcb_spa
, bp
);
3073 dde
= ddt_lookup(ddt
, bp
, B_FALSE
);
3078 ddt_phys_t
*ddp
= ddt_phys_select(dde
, bp
);
3079 ddt_phys_decref(ddp
);
3080 refcnt
= ddp
->ddp_refcnt
;
3081 if (ddt_phys_total_refcnt(dde
) == 0)
3082 ddt_remove(ddt
, dde
);
3087 VERIFY3U(zio_wait(zio_claim(NULL
, zcb
->zcb_spa
,
3088 refcnt
? 0 : spa_first_txg(zcb
->zcb_spa
),
3089 bp
, NULL
, NULL
, ZIO_FLAG_CANFAIL
)), ==, 0);
3093 zdb_blkptr_done(zio_t
*zio
)
3095 spa_t
*spa
= zio
->io_spa
;
3096 blkptr_t
*bp
= zio
->io_bp
;
3097 int ioerr
= zio
->io_error
;
3098 zdb_cb_t
*zcb
= zio
->io_private
;
3099 zbookmark_phys_t
*zb
= &zio
->io_bookmark
;
3101 abd_free(zio
->io_abd
);
3103 mutex_enter(&spa
->spa_scrub_lock
);
3104 spa
->spa_load_verify_ios
--;
3105 cv_broadcast(&spa
->spa_scrub_io_cv
);
3107 if (ioerr
&& !(zio
->io_flags
& ZIO_FLAG_SPECULATIVE
)) {
3108 char blkbuf
[BP_SPRINTF_LEN
];
3110 zcb
->zcb_haderrors
= 1;
3111 zcb
->zcb_errors
[ioerr
]++;
3113 if (dump_opt
['b'] >= 2)
3114 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), bp
);
3118 (void) printf("zdb_blkptr_cb: "
3119 "Got error %d reading "
3120 "<%llu, %llu, %lld, %llx> %s -- skipping\n",
3122 (u_longlong_t
)zb
->zb_objset
,
3123 (u_longlong_t
)zb
->zb_object
,
3124 (u_longlong_t
)zb
->zb_level
,
3125 (u_longlong_t
)zb
->zb_blkid
,
3128 mutex_exit(&spa
->spa_scrub_lock
);
3132 zdb_blkptr_cb(spa_t
*spa
, zilog_t
*zilog
, const blkptr_t
*bp
,
3133 const zbookmark_phys_t
*zb
, const dnode_phys_t
*dnp
, void *arg
)
3135 zdb_cb_t
*zcb
= arg
;
3136 dmu_object_type_t type
;
3137 boolean_t is_metadata
;
3142 if (dump_opt
['b'] >= 5 && bp
->blk_birth
> 0) {
3143 char blkbuf
[BP_SPRINTF_LEN
];
3144 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), bp
);
3145 (void) printf("objset %llu object %llu "
3146 "level %lld offset 0x%llx %s\n",
3147 (u_longlong_t
)zb
->zb_objset
,
3148 (u_longlong_t
)zb
->zb_object
,
3149 (longlong_t
)zb
->zb_level
,
3150 (u_longlong_t
)blkid2offset(dnp
, bp
, zb
),
3157 type
= BP_GET_TYPE(bp
);
3159 zdb_count_block(zcb
, zilog
, bp
,
3160 (type
& DMU_OT_NEWTYPE
) ? ZDB_OT_OTHER
: type
);
3162 is_metadata
= (BP_GET_LEVEL(bp
) != 0 || DMU_OT_IS_METADATA(type
));
3164 if (!BP_IS_EMBEDDED(bp
) &&
3165 (dump_opt
['c'] > 1 || (dump_opt
['c'] && is_metadata
))) {
3166 size_t size
= BP_GET_PSIZE(bp
);
3167 abd_t
*abd
= abd_alloc(size
, B_FALSE
);
3168 int flags
= ZIO_FLAG_CANFAIL
| ZIO_FLAG_SCRUB
| ZIO_FLAG_RAW
;
3170 /* If it's an intent log block, failure is expected. */
3171 if (zb
->zb_level
== ZB_ZIL_LEVEL
)
3172 flags
|= ZIO_FLAG_SPECULATIVE
;
3174 mutex_enter(&spa
->spa_scrub_lock
);
3175 while (spa
->spa_load_verify_ios
> max_inflight
)
3176 cv_wait(&spa
->spa_scrub_io_cv
, &spa
->spa_scrub_lock
);
3177 spa
->spa_load_verify_ios
++;
3178 mutex_exit(&spa
->spa_scrub_lock
);
3180 zio_nowait(zio_read(NULL
, spa
, bp
, abd
, size
,
3181 zdb_blkptr_done
, zcb
, ZIO_PRIORITY_ASYNC_READ
, flags
, zb
));
3184 zcb
->zcb_readfails
= 0;
3186 /* only call gethrtime() every 100 blocks */
3193 if (dump_opt
['b'] < 5 && gethrtime() > zcb
->zcb_lastprint
+ NANOSEC
) {
3194 uint64_t now
= gethrtime();
3196 uint64_t bytes
= zcb
->zcb_type
[ZB_TOTAL
][ZDB_OT_TOTAL
].zb_asize
;
3198 1 + bytes
/ (1 + ((now
- zcb
->zcb_start
) / 1000 / 1000));
3200 (zcb
->zcb_totalasize
- bytes
) / 1024 / kb_per_sec
;
3202 /* make sure nicenum has enough space */
3203 CTASSERT(sizeof (buf
) >= NN_NUMBUF_SZ
);
3205 zfs_nicebytes(bytes
, buf
, sizeof (buf
));
3206 (void) fprintf(stderr
,
3207 "\r%5s completed (%4dMB/s) "
3208 "estimated time remaining: %uhr %02umin %02usec ",
3209 buf
, kb_per_sec
/ 1024,
3210 sec_remaining
/ 60 / 60,
3211 sec_remaining
/ 60 % 60,
3212 sec_remaining
% 60);
3214 zcb
->zcb_lastprint
= now
;
3221 zdb_leak(void *arg
, uint64_t start
, uint64_t size
)
3225 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n",
3226 (u_longlong_t
)vd
->vdev_id
, (u_longlong_t
)start
, (u_longlong_t
)size
);
3229 static metaslab_ops_t zdb_metaslab_ops
= {
3234 zdb_ddt_leak_init(spa_t
*spa
, zdb_cb_t
*zcb
)
3241 bzero(&ddb
, sizeof (ddb
));
3242 while ((error
= ddt_walk(spa
, &ddb
, &dde
)) == 0) {
3244 ddt_phys_t
*ddp
= dde
.dde_phys
;
3246 if (ddb
.ddb_class
== DDT_CLASS_UNIQUE
)
3249 ASSERT(ddt_phys_total_refcnt(&dde
) > 1);
3251 for (p
= 0; p
< DDT_PHYS_TYPES
; p
++, ddp
++) {
3252 if (ddp
->ddp_phys_birth
== 0)
3254 ddt_bp_create(ddb
.ddb_checksum
,
3255 &dde
.dde_key
, ddp
, &blk
);
3256 if (p
== DDT_PHYS_DITTO
) {
3257 zdb_count_block(zcb
, NULL
, &blk
, ZDB_OT_DITTO
);
3259 zcb
->zcb_dedup_asize
+=
3260 BP_GET_ASIZE(&blk
) * (ddp
->ddp_refcnt
- 1);
3261 zcb
->zcb_dedup_blocks
++;
3264 if (!dump_opt
['L']) {
3265 ddt_t
*ddt
= spa
->spa_ddt
[ddb
.ddb_checksum
];
3267 VERIFY(ddt_lookup(ddt
, &blk
, B_TRUE
) != NULL
);
3272 ASSERT(error
== ENOENT
);
3276 zdb_leak_init(spa_t
*spa
, zdb_cb_t
*zcb
)
3281 if (!dump_opt
['L']) {
3282 vdev_t
*rvd
= spa
->spa_root_vdev
;
3285 * We are going to be changing the meaning of the metaslab's
3286 * ms_tree. Ensure that the allocator doesn't try to
3289 spa
->spa_normal_class
->mc_ops
= &zdb_metaslab_ops
;
3290 spa
->spa_log_class
->mc_ops
= &zdb_metaslab_ops
;
3292 for (c
= 0; c
< rvd
->vdev_children
; c
++) {
3293 vdev_t
*vd
= rvd
->vdev_child
[c
];
3294 ASSERTV(metaslab_group_t
*mg
= vd
->vdev_mg
);
3295 for (m
= 0; m
< vd
->vdev_ms_count
; m
++) {
3296 metaslab_t
*msp
= vd
->vdev_ms
[m
];
3297 ASSERT3P(msp
->ms_group
, ==, mg
);
3298 mutex_enter(&msp
->ms_lock
);
3299 metaslab_unload(msp
);
3302 * For leak detection, we overload the metaslab
3303 * ms_tree to contain allocated segments
3304 * instead of free segments. As a result,
3305 * we can't use the normal metaslab_load/unload
3308 if (msp
->ms_sm
!= NULL
) {
3309 (void) fprintf(stderr
,
3310 "\rloading space map for "
3311 "vdev %llu of %llu, "
3312 "metaslab %llu of %llu ...",
3314 (longlong_t
)rvd
->vdev_children
,
3316 (longlong_t
)vd
->vdev_ms_count
);
3319 * We don't want to spend the CPU
3320 * manipulating the size-ordered
3321 * tree, so clear the range_tree
3324 msp
->ms_tree
->rt_ops
= NULL
;
3325 VERIFY0(space_map_load(msp
->ms_sm
,
3326 msp
->ms_tree
, SM_ALLOC
));
3328 if (!msp
->ms_loaded
)
3329 msp
->ms_loaded
= B_TRUE
;
3331 mutex_exit(&msp
->ms_lock
);
3334 (void) fprintf(stderr
, "\n");
3337 spa_config_enter(spa
, SCL_CONFIG
, FTAG
, RW_READER
);
3339 zdb_ddt_leak_init(spa
, zcb
);
3341 spa_config_exit(spa
, SCL_CONFIG
, FTAG
);
3345 zdb_leak_fini(spa_t
*spa
)
3347 if (!dump_opt
['L']) {
3348 vdev_t
*rvd
= spa
->spa_root_vdev
;
3349 for (unsigned c
= 0; c
< rvd
->vdev_children
; c
++) {
3350 vdev_t
*vd
= rvd
->vdev_child
[c
];
3351 ASSERTV(metaslab_group_t
*mg
= vd
->vdev_mg
);
3352 for (unsigned m
= 0; m
< vd
->vdev_ms_count
; m
++) {
3353 metaslab_t
*msp
= vd
->vdev_ms
[m
];
3354 ASSERT3P(mg
, ==, msp
->ms_group
);
3355 mutex_enter(&msp
->ms_lock
);
3358 * The ms_tree has been overloaded to
3359 * contain allocated segments. Now that we
3360 * finished traversing all blocks, any
3361 * block that remains in the ms_tree
3362 * represents an allocated block that we
3363 * did not claim during the traversal.
3364 * Claimed blocks would have been removed
3367 range_tree_vacate(msp
->ms_tree
, zdb_leak
, vd
);
3370 msp
->ms_loaded
= B_FALSE
;
3372 mutex_exit(&msp
->ms_lock
);
3380 count_block_cb(void *arg
, const blkptr_t
*bp
, dmu_tx_t
*tx
)
3382 zdb_cb_t
*zcb
= arg
;
3384 if (dump_opt
['b'] >= 5) {
3385 char blkbuf
[BP_SPRINTF_LEN
];
3386 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), bp
);
3387 (void) printf("[%s] %s\n",
3388 "deferred free", blkbuf
);
3390 zdb_count_block(zcb
, NULL
, bp
, ZDB_OT_DEFERRED
);
3395 dump_block_stats(spa_t
*spa
)
3398 zdb_blkstats_t
*zb
, *tzb
;
3399 uint64_t norm_alloc
, norm_space
, total_alloc
, total_found
;
3400 int flags
= TRAVERSE_PRE
| TRAVERSE_PREFETCH_METADATA
|
3401 TRAVERSE_NO_DECRYPT
| TRAVERSE_HARD
;
3402 boolean_t leaks
= B_FALSE
;
3404 bp_embedded_type_t i
;
3406 bzero(&zcb
, sizeof (zcb
));
3407 (void) printf("\nTraversing all blocks %s%s%s%s%s...\n\n",
3408 (dump_opt
['c'] || !dump_opt
['L']) ? "to verify " : "",
3409 (dump_opt
['c'] == 1) ? "metadata " : "",
3410 dump_opt
['c'] ? "checksums " : "",
3411 (dump_opt
['c'] && !dump_opt
['L']) ? "and verify " : "",
3412 !dump_opt
['L'] ? "nothing leaked " : "");
3415 * Load all space maps as SM_ALLOC maps, then traverse the pool
3416 * claiming each block we discover. If the pool is perfectly
3417 * consistent, the space maps will be empty when we're done.
3418 * Anything left over is a leak; any block we can't claim (because
3419 * it's not part of any space map) is a double allocation,
3420 * reference to a freed block, or an unclaimed log block.
3422 bzero(&zcb
, sizeof (zdb_cb_t
));
3423 zdb_leak_init(spa
, &zcb
);
3426 * If there's a deferred-free bplist, process that first.
3428 (void) bpobj_iterate_nofree(&spa
->spa_deferred_bpobj
,
3429 count_block_cb
, &zcb
, NULL
);
3430 if (spa_version(spa
) >= SPA_VERSION_DEADLISTS
) {
3431 (void) bpobj_iterate_nofree(&spa
->spa_dsl_pool
->dp_free_bpobj
,
3432 count_block_cb
, &zcb
, NULL
);
3434 if (spa_feature_is_active(spa
, SPA_FEATURE_ASYNC_DESTROY
)) {
3435 VERIFY3U(0, ==, bptree_iterate(spa
->spa_meta_objset
,
3436 spa
->spa_dsl_pool
->dp_bptree_obj
, B_FALSE
, count_block_cb
,
3440 if (dump_opt
['c'] > 1)
3441 flags
|= TRAVERSE_PREFETCH_DATA
;
3443 zcb
.zcb_totalasize
= metaslab_class_get_alloc(spa_normal_class(spa
));
3444 zcb
.zcb_start
= zcb
.zcb_lastprint
= gethrtime();
3445 err
= traverse_pool(spa
, 0, flags
, zdb_blkptr_cb
, &zcb
);
3448 * If we've traversed the data blocks then we need to wait for those
3449 * I/Os to complete. We leverage "The Godfather" zio to wait on
3450 * all async I/Os to complete.
3452 if (dump_opt
['c']) {
3453 for (c
= 0; c
< max_ncpus
; c
++) {
3454 (void) zio_wait(spa
->spa_async_zio_root
[c
]);
3455 spa
->spa_async_zio_root
[c
] = zio_root(spa
, NULL
, NULL
,
3456 ZIO_FLAG_CANFAIL
| ZIO_FLAG_SPECULATIVE
|
3457 ZIO_FLAG_GODFATHER
);
3462 * Done after zio_wait() since zcb_haderrors is modified in
3465 zcb
.zcb_haderrors
|= err
;
3467 if (zcb
.zcb_haderrors
) {
3468 (void) printf("\nError counts:\n\n");
3469 (void) printf("\t%5s %s\n", "errno", "count");
3470 for (e
= 0; e
< 256; e
++) {
3471 if (zcb
.zcb_errors
[e
] != 0) {
3472 (void) printf("\t%5d %llu\n",
3473 e
, (u_longlong_t
)zcb
.zcb_errors
[e
]);
3479 * Report any leaked segments.
3483 tzb
= &zcb
.zcb_type
[ZB_TOTAL
][ZDB_OT_TOTAL
];
3485 norm_alloc
= metaslab_class_get_alloc(spa_normal_class(spa
));
3486 norm_space
= metaslab_class_get_space(spa_normal_class(spa
));
3488 total_alloc
= norm_alloc
+ metaslab_class_get_alloc(spa_log_class(spa
));
3489 total_found
= tzb
->zb_asize
- zcb
.zcb_dedup_asize
;
3491 if (total_found
== total_alloc
) {
3493 (void) printf("\n\tNo leaks (block sum matches space"
3494 " maps exactly)\n");
3496 (void) printf("block traversal size %llu != alloc %llu "
3498 (u_longlong_t
)total_found
,
3499 (u_longlong_t
)total_alloc
,
3500 (dump_opt
['L']) ? "unreachable" : "leaked",
3501 (longlong_t
)(total_alloc
- total_found
));
3505 if (tzb
->zb_count
== 0)
3508 (void) printf("\n");
3509 (void) printf("\tbp count: %10llu\n",
3510 (u_longlong_t
)tzb
->zb_count
);
3511 (void) printf("\tganged count: %10llu\n",
3512 (longlong_t
)tzb
->zb_gangs
);
3513 (void) printf("\tbp logical: %10llu avg: %6llu\n",
3514 (u_longlong_t
)tzb
->zb_lsize
,
3515 (u_longlong_t
)(tzb
->zb_lsize
/ tzb
->zb_count
));
3516 (void) printf("\tbp physical: %10llu avg:"
3517 " %6llu compression: %6.2f\n",
3518 (u_longlong_t
)tzb
->zb_psize
,
3519 (u_longlong_t
)(tzb
->zb_psize
/ tzb
->zb_count
),
3520 (double)tzb
->zb_lsize
/ tzb
->zb_psize
);
3521 (void) printf("\tbp allocated: %10llu avg:"
3522 " %6llu compression: %6.2f\n",
3523 (u_longlong_t
)tzb
->zb_asize
,
3524 (u_longlong_t
)(tzb
->zb_asize
/ tzb
->zb_count
),
3525 (double)tzb
->zb_lsize
/ tzb
->zb_asize
);
3526 (void) printf("\tbp deduped: %10llu ref>1:"
3527 " %6llu deduplication: %6.2f\n",
3528 (u_longlong_t
)zcb
.zcb_dedup_asize
,
3529 (u_longlong_t
)zcb
.zcb_dedup_blocks
,
3530 (double)zcb
.zcb_dedup_asize
/ tzb
->zb_asize
+ 1.0);
3531 (void) printf("\tSPA allocated: %10llu used: %5.2f%%\n",
3532 (u_longlong_t
)norm_alloc
, 100.0 * norm_alloc
/ norm_space
);
3534 for (i
= 0; i
< NUM_BP_EMBEDDED_TYPES
; i
++) {
3535 if (zcb
.zcb_embedded_blocks
[i
] == 0)
3537 (void) printf("\n");
3538 (void) printf("\tadditional, non-pointer bps of type %u: "
3540 i
, (u_longlong_t
)zcb
.zcb_embedded_blocks
[i
]);
3542 if (dump_opt
['b'] >= 3) {
3543 (void) printf("\t number of (compressed) bytes: "
3545 dump_histogram(zcb
.zcb_embedded_histogram
[i
],
3546 sizeof (zcb
.zcb_embedded_histogram
[i
]) /
3547 sizeof (zcb
.zcb_embedded_histogram
[i
][0]), 0);
3551 if (tzb
->zb_ditto_samevdev
!= 0) {
3552 (void) printf("\tDittoed blocks on same vdev: %llu\n",
3553 (longlong_t
)tzb
->zb_ditto_samevdev
);
3556 if (dump_opt
['b'] >= 2) {
3558 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE"
3559 "\t avg\t comp\t%%Total\tType\n");
3561 for (t
= 0; t
<= ZDB_OT_TOTAL
; t
++) {
3562 char csize
[32], lsize
[32], psize
[32], asize
[32];
3563 char avg
[32], gang
[32];
3564 const char *typename
;
3566 /* make sure nicenum has enough space */
3567 CTASSERT(sizeof (csize
) >= NN_NUMBUF_SZ
);
3568 CTASSERT(sizeof (lsize
) >= NN_NUMBUF_SZ
);
3569 CTASSERT(sizeof (psize
) >= NN_NUMBUF_SZ
);
3570 CTASSERT(sizeof (asize
) >= NN_NUMBUF_SZ
);
3571 CTASSERT(sizeof (avg
) >= NN_NUMBUF_SZ
);
3572 CTASSERT(sizeof (gang
) >= NN_NUMBUF_SZ
);
3574 if (t
< DMU_OT_NUMTYPES
)
3575 typename
= dmu_ot
[t
].ot_name
;
3577 typename
= zdb_ot_extname
[t
- DMU_OT_NUMTYPES
];
3579 if (zcb
.zcb_type
[ZB_TOTAL
][t
].zb_asize
== 0) {
3580 (void) printf("%6s\t%5s\t%5s\t%5s"
3581 "\t%5s\t%5s\t%6s\t%s\n",
3593 for (l
= ZB_TOTAL
- 1; l
>= -1; l
--) {
3594 level
= (l
== -1 ? ZB_TOTAL
: l
);
3595 zb
= &zcb
.zcb_type
[level
][t
];
3597 if (zb
->zb_asize
== 0)
3600 if (dump_opt
['b'] < 3 && level
!= ZB_TOTAL
)
3603 if (level
== 0 && zb
->zb_asize
==
3604 zcb
.zcb_type
[ZB_TOTAL
][t
].zb_asize
)
3607 zdb_nicenum(zb
->zb_count
, csize
,
3609 zdb_nicenum(zb
->zb_lsize
, lsize
,
3611 zdb_nicenum(zb
->zb_psize
, psize
,
3613 zdb_nicenum(zb
->zb_asize
, asize
,
3615 zdb_nicenum(zb
->zb_asize
/ zb
->zb_count
, avg
,
3617 zdb_nicenum(zb
->zb_gangs
, gang
, sizeof (gang
));
3619 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s"
3621 csize
, lsize
, psize
, asize
, avg
,
3622 (double)zb
->zb_lsize
/ zb
->zb_psize
,
3623 100.0 * zb
->zb_asize
/ tzb
->zb_asize
);
3625 if (level
== ZB_TOTAL
)
3626 (void) printf("%s\n", typename
);
3628 (void) printf(" L%d %s\n",
3631 if (dump_opt
['b'] >= 3 && zb
->zb_gangs
> 0) {
3632 (void) printf("\t number of ganged "
3633 "blocks: %s\n", gang
);
3636 if (dump_opt
['b'] >= 4) {
3637 (void) printf("psize "
3638 "(in 512-byte sectors): "
3639 "number of blocks\n");
3640 dump_histogram(zb
->zb_psize_histogram
,
3641 PSIZE_HISTO_SIZE
, 0);
3647 (void) printf("\n");
3652 if (zcb
.zcb_haderrors
)
3658 typedef struct zdb_ddt_entry
{
3660 uint64_t zdde_ref_blocks
;
3661 uint64_t zdde_ref_lsize
;
3662 uint64_t zdde_ref_psize
;
3663 uint64_t zdde_ref_dsize
;
3664 avl_node_t zdde_node
;
3669 zdb_ddt_add_cb(spa_t
*spa
, zilog_t
*zilog
, const blkptr_t
*bp
,
3670 const zbookmark_phys_t
*zb
, const dnode_phys_t
*dnp
, void *arg
)
3672 avl_tree_t
*t
= arg
;
3674 zdb_ddt_entry_t
*zdde
, zdde_search
;
3676 if (bp
== NULL
|| BP_IS_HOLE(bp
) || BP_IS_EMBEDDED(bp
))
3679 if (dump_opt
['S'] > 1 && zb
->zb_level
== ZB_ROOT_LEVEL
) {
3680 (void) printf("traversing objset %llu, %llu objects, "
3681 "%lu blocks so far\n",
3682 (u_longlong_t
)zb
->zb_objset
,
3683 (u_longlong_t
)BP_GET_FILL(bp
),
3687 if (BP_IS_HOLE(bp
) || BP_GET_CHECKSUM(bp
) == ZIO_CHECKSUM_OFF
||
3688 BP_GET_LEVEL(bp
) > 0 || DMU_OT_IS_METADATA(BP_GET_TYPE(bp
)))
3691 ddt_key_fill(&zdde_search
.zdde_key
, bp
);
3693 zdde
= avl_find(t
, &zdde_search
, &where
);
3696 zdde
= umem_zalloc(sizeof (*zdde
), UMEM_NOFAIL
);
3697 zdde
->zdde_key
= zdde_search
.zdde_key
;
3698 avl_insert(t
, zdde
, where
);
3701 zdde
->zdde_ref_blocks
+= 1;
3702 zdde
->zdde_ref_lsize
+= BP_GET_LSIZE(bp
);
3703 zdde
->zdde_ref_psize
+= BP_GET_PSIZE(bp
);
3704 zdde
->zdde_ref_dsize
+= bp_get_dsize_sync(spa
, bp
);
3710 dump_simulated_ddt(spa_t
*spa
)
3713 void *cookie
= NULL
;
3714 zdb_ddt_entry_t
*zdde
;
3715 ddt_histogram_t ddh_total
;
3716 ddt_stat_t dds_total
;
3718 bzero(&ddh_total
, sizeof (ddh_total
));
3719 bzero(&dds_total
, sizeof (dds_total
));
3720 avl_create(&t
, ddt_entry_compare
,
3721 sizeof (zdb_ddt_entry_t
), offsetof(zdb_ddt_entry_t
, zdde_node
));
3723 spa_config_enter(spa
, SCL_CONFIG
, FTAG
, RW_READER
);
3725 (void) traverse_pool(spa
, 0, TRAVERSE_PRE
| TRAVERSE_PREFETCH_METADATA
|
3726 TRAVERSE_NO_DECRYPT
, zdb_ddt_add_cb
, &t
);
3728 spa_config_exit(spa
, SCL_CONFIG
, FTAG
);
3730 while ((zdde
= avl_destroy_nodes(&t
, &cookie
)) != NULL
) {
3732 uint64_t refcnt
= zdde
->zdde_ref_blocks
;
3733 ASSERT(refcnt
!= 0);
3735 dds
.dds_blocks
= zdde
->zdde_ref_blocks
/ refcnt
;
3736 dds
.dds_lsize
= zdde
->zdde_ref_lsize
/ refcnt
;
3737 dds
.dds_psize
= zdde
->zdde_ref_psize
/ refcnt
;
3738 dds
.dds_dsize
= zdde
->zdde_ref_dsize
/ refcnt
;
3740 dds
.dds_ref_blocks
= zdde
->zdde_ref_blocks
;
3741 dds
.dds_ref_lsize
= zdde
->zdde_ref_lsize
;
3742 dds
.dds_ref_psize
= zdde
->zdde_ref_psize
;
3743 dds
.dds_ref_dsize
= zdde
->zdde_ref_dsize
;
3745 ddt_stat_add(&ddh_total
.ddh_stat
[highbit64(refcnt
) - 1],
3748 umem_free(zdde
, sizeof (*zdde
));
3753 ddt_histogram_stat(&dds_total
, &ddh_total
);
3755 (void) printf("Simulated DDT histogram:\n");
3757 zpool_dump_ddt(&dds_total
, &ddh_total
);
3759 dump_dedup_ratio(&dds_total
);
3763 dump_zpool(spa_t
*spa
)
3765 dsl_pool_t
*dp
= spa_get_dsl(spa
);
3768 if (dump_opt
['S']) {
3769 dump_simulated_ddt(spa
);
3773 if (!dump_opt
['e'] && dump_opt
['C'] > 1) {
3774 (void) printf("\nCached configuration:\n");
3775 dump_nvlist(spa
->spa_config
, 8);
3782 dump_uberblock(&spa
->spa_uberblock
, "\nUberblock:\n", "\n");
3787 if (dump_opt
['d'] > 2 || dump_opt
['m'])
3788 dump_metaslabs(spa
);
3790 dump_metaslab_groups(spa
);
3792 if (dump_opt
['d'] || dump_opt
['i']) {
3795 dump_dir(dp
->dp_meta_objset
);
3796 if (dump_opt
['d'] >= 3) {
3797 dump_full_bpobj(&spa
->spa_deferred_bpobj
,
3798 "Deferred frees", 0);
3799 if (spa_version(spa
) >= SPA_VERSION_DEADLISTS
) {
3801 &spa
->spa_dsl_pool
->dp_free_bpobj
,
3802 "Pool snapshot frees", 0);
3805 if (spa_feature_is_active(spa
,
3806 SPA_FEATURE_ASYNC_DESTROY
)) {
3807 dump_bptree(spa
->spa_meta_objset
,
3808 spa
->spa_dsl_pool
->dp_bptree_obj
,
3809 "Pool dataset frees");
3811 dump_dtl(spa
->spa_root_vdev
, 0);
3813 (void) dmu_objset_find(spa_name(spa
), dump_one_dir
,
3814 NULL
, DS_FIND_SNAPSHOTS
| DS_FIND_CHILDREN
);
3816 for (f
= 0; f
< SPA_FEATURES
; f
++) {
3819 if (!(spa_feature_table
[f
].fi_flags
&
3820 ZFEATURE_FLAG_PER_DATASET
) ||
3821 !spa_feature_is_enabled(spa
, f
)) {
3822 ASSERT0(dataset_feature_count
[f
]);
3825 if (feature_get_refcount(spa
, &spa_feature_table
[f
],
3826 &refcount
) == ENOTSUP
)
3828 if (dataset_feature_count
[f
] != refcount
) {
3829 (void) printf("%s feature refcount mismatch: "
3830 "%lld datasets != %lld refcount\n",
3831 spa_feature_table
[f
].fi_uname
,
3832 (longlong_t
)dataset_feature_count
[f
],
3833 (longlong_t
)refcount
);
3836 (void) printf("Verified %s feature refcount "
3837 "of %llu is correct\n",
3838 spa_feature_table
[f
].fi_uname
,
3839 (longlong_t
)refcount
);
3843 if (rc
== 0 && (dump_opt
['b'] || dump_opt
['c']))
3844 rc
= dump_block_stats(spa
);
3847 rc
= verify_spacemap_refcounts(spa
);
3850 show_pool_stats(spa
);
3856 dump_debug_buffer();
3861 #define ZDB_FLAG_CHECKSUM 0x0001
3862 #define ZDB_FLAG_DECOMPRESS 0x0002
3863 #define ZDB_FLAG_BSWAP 0x0004
3864 #define ZDB_FLAG_GBH 0x0008
3865 #define ZDB_FLAG_INDIRECT 0x0010
3866 #define ZDB_FLAG_PHYS 0x0020
3867 #define ZDB_FLAG_RAW 0x0040
3868 #define ZDB_FLAG_PRINT_BLKPTR 0x0080
3870 static int flagbits
[256];
3873 zdb_print_blkptr(blkptr_t
*bp
, int flags
)
3875 char blkbuf
[BP_SPRINTF_LEN
];
3877 if (flags
& ZDB_FLAG_BSWAP
)
3878 byteswap_uint64_array((void *)bp
, sizeof (blkptr_t
));
3880 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), bp
);
3881 (void) printf("%s\n", blkbuf
);
3885 zdb_dump_indirect(blkptr_t
*bp
, int nbps
, int flags
)
3889 for (i
= 0; i
< nbps
; i
++)
3890 zdb_print_blkptr(&bp
[i
], flags
);
3894 zdb_dump_gbh(void *buf
, int flags
)
3896 zdb_dump_indirect((blkptr_t
*)buf
, SPA_GBH_NBLKPTRS
, flags
);
3900 zdb_dump_block_raw(void *buf
, uint64_t size
, int flags
)
3902 if (flags
& ZDB_FLAG_BSWAP
)
3903 byteswap_uint64_array(buf
, size
);
3904 VERIFY(write(fileno(stdout
), buf
, size
) == size
);
3908 zdb_dump_block(char *label
, void *buf
, uint64_t size
, int flags
)
3910 uint64_t *d
= (uint64_t *)buf
;
3911 unsigned nwords
= size
/ sizeof (uint64_t);
3912 int do_bswap
= !!(flags
& ZDB_FLAG_BSWAP
);
3919 hdr
= " 7 6 5 4 3 2 1 0 f e d c b a 9 8";
3921 hdr
= " 0 1 2 3 4 5 6 7 8 9 a b c d e f";
3923 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label
, "", hdr
);
3925 #ifdef _LITTLE_ENDIAN
3926 /* correct the endianness */
3927 do_bswap
= !do_bswap
;
3929 for (i
= 0; i
< nwords
; i
+= 2) {
3930 (void) printf("%06llx: %016llx %016llx ",
3931 (u_longlong_t
)(i
* sizeof (uint64_t)),
3932 (u_longlong_t
)(do_bswap
? BSWAP_64(d
[i
]) : d
[i
]),
3933 (u_longlong_t
)(do_bswap
? BSWAP_64(d
[i
+ 1]) : d
[i
+ 1]));
3936 for (j
= 0; j
< 2 * sizeof (uint64_t); j
++)
3937 (void) printf("%c", isprint(c
[j
]) ? c
[j
] : '.');
3938 (void) printf("\n");
3943 * There are two acceptable formats:
3944 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a
3945 * child[.child]* - For example: 0.1.1
3947 * The second form can be used to specify arbitrary vdevs anywhere
3948 * in the hierarchy. For example, in a pool with a mirror of
3949 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 .
3952 zdb_vdev_lookup(vdev_t
*vdev
, const char *path
)
3960 /* First, assume the x.x.x.x format */
3961 i
= strtoul(path
, &s
, 10);
3962 if (s
== path
|| (s
&& *s
!= '.' && *s
!= '\0'))
3964 if (i
>= vdev
->vdev_children
)
3967 vdev
= vdev
->vdev_child
[i
];
3968 if (s
&& *s
== '\0')
3970 return (zdb_vdev_lookup(vdev
, s
+1));
3973 for (i
= 0; i
< vdev
->vdev_children
; i
++) {
3974 vdev_t
*vc
= vdev
->vdev_child
[i
];
3976 if (vc
->vdev_path
== NULL
) {
3977 vc
= zdb_vdev_lookup(vc
, path
);
3984 p
= strrchr(vc
->vdev_path
, '/');
3985 p
= p
? p
+ 1 : vc
->vdev_path
;
3986 q
= &vc
->vdev_path
[strlen(vc
->vdev_path
) - 2];
3988 if (strcmp(vc
->vdev_path
, path
) == 0)
3990 if (strcmp(p
, path
) == 0)
3992 if (strcmp(q
, "s0") == 0 && strncmp(p
, path
, q
- p
) == 0)
4000 * Read a block from a pool and print it out. The syntax of the
4001 * block descriptor is:
4003 * pool:vdev_specifier:offset:size[:flags]
4005 * pool - The name of the pool you wish to read from
4006 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup)
4007 * offset - offset, in hex, in bytes
4008 * size - Amount of data to read, in hex, in bytes
4009 * flags - A string of characters specifying options
4010 * b: Decode a blkptr at given offset within block
4011 * *c: Calculate and display checksums
4012 * d: Decompress data before dumping
4013 * e: Byteswap data before dumping
4014 * g: Display data as a gang block header
4015 * i: Display as an indirect block
4016 * p: Do I/O to physical offset
4017 * r: Dump raw data to stdout
4019 * * = not yet implemented
4022 zdb_read_block(char *thing
, spa_t
*spa
)
4024 blkptr_t blk
, *bp
= &blk
;
4025 dva_t
*dva
= bp
->blk_dva
;
4027 uint64_t offset
= 0, size
= 0, psize
= 0, lsize
= 0, blkptr_offset
= 0;
4032 const char *s
, *vdev
;
4033 char *p
, *dup
, *flagstr
;
4035 boolean_t borrowed
= B_FALSE
;
4037 dup
= strdup(thing
);
4038 s
= strtok(dup
, ":");
4040 s
= strtok(NULL
, ":");
4041 offset
= strtoull(s
? s
: "", NULL
, 16);
4042 s
= strtok(NULL
, ":");
4043 size
= strtoull(s
? s
: "", NULL
, 16);
4044 s
= strtok(NULL
, ":");
4046 flagstr
= strdup(s
);
4048 flagstr
= strdup("");
4052 s
= "size must not be zero";
4053 if (!IS_P2ALIGNED(size
, DEV_BSIZE
))
4054 s
= "size must be a multiple of sector size";
4055 if (!IS_P2ALIGNED(offset
, DEV_BSIZE
))
4056 s
= "offset must be a multiple of sector size";
4058 (void) printf("Invalid block specifier: %s - %s\n", thing
, s
);
4064 for (s
= strtok(flagstr
, ":"); s
; s
= strtok(NULL
, ":")) {
4065 for (i
= 0; flagstr
[i
]; i
++) {
4066 int bit
= flagbits
[(uchar_t
)flagstr
[i
]];
4069 (void) printf("***Invalid flag: %c\n",
4075 /* If it's not something with an argument, keep going */
4076 if ((bit
& (ZDB_FLAG_CHECKSUM
|
4077 ZDB_FLAG_PRINT_BLKPTR
)) == 0)
4080 p
= &flagstr
[i
+ 1];
4081 if (bit
== ZDB_FLAG_PRINT_BLKPTR
) {
4082 blkptr_offset
= strtoull(p
, &p
, 16);
4083 i
= p
- &flagstr
[i
+ 1];
4085 if (*p
!= ':' && *p
!= '\0') {
4086 (void) printf("***Invalid flag arg: '%s'\n", s
);
4095 vd
= zdb_vdev_lookup(spa
->spa_root_vdev
, vdev
);
4097 (void) printf("***Invalid vdev: %s\n", vdev
);
4102 (void) fprintf(stderr
, "Found vdev: %s\n",
4105 (void) fprintf(stderr
, "Found vdev type: %s\n",
4106 vd
->vdev_ops
->vdev_op_type
);
4112 pabd
= abd_alloc_for_io(SPA_MAXBLOCKSIZE
, B_FALSE
);
4113 lbuf
= umem_alloc(SPA_MAXBLOCKSIZE
, UMEM_NOFAIL
);
4117 DVA_SET_VDEV(&dva
[0], vd
->vdev_id
);
4118 DVA_SET_OFFSET(&dva
[0], offset
);
4119 DVA_SET_GANG(&dva
[0], !!(flags
& ZDB_FLAG_GBH
));
4120 DVA_SET_ASIZE(&dva
[0], vdev_psize_to_asize(vd
, psize
));
4122 BP_SET_BIRTH(bp
, TXG_INITIAL
, TXG_INITIAL
);
4124 BP_SET_LSIZE(bp
, lsize
);
4125 BP_SET_PSIZE(bp
, psize
);
4126 BP_SET_COMPRESS(bp
, ZIO_COMPRESS_OFF
);
4127 BP_SET_CHECKSUM(bp
, ZIO_CHECKSUM_OFF
);
4128 BP_SET_TYPE(bp
, DMU_OT_NONE
);
4129 BP_SET_LEVEL(bp
, 0);
4130 BP_SET_DEDUP(bp
, 0);
4131 BP_SET_BYTEORDER(bp
, ZFS_HOST_BYTEORDER
);
4133 spa_config_enter(spa
, SCL_STATE
, FTAG
, RW_READER
);
4134 zio
= zio_root(spa
, NULL
, NULL
, 0);
4136 if (vd
== vd
->vdev_top
) {
4138 * Treat this as a normal block read.
4140 zio_nowait(zio_read(zio
, spa
, bp
, pabd
, psize
, NULL
, NULL
,
4141 ZIO_PRIORITY_SYNC_READ
,
4142 ZIO_FLAG_CANFAIL
| ZIO_FLAG_RAW
, NULL
));
4145 * Treat this as a vdev child I/O.
4147 zio_nowait(zio_vdev_child_io(zio
, bp
, vd
, offset
, pabd
,
4148 psize
, ZIO_TYPE_READ
, ZIO_PRIORITY_SYNC_READ
,
4149 ZIO_FLAG_DONT_CACHE
| ZIO_FLAG_DONT_QUEUE
|
4150 ZIO_FLAG_DONT_PROPAGATE
| ZIO_FLAG_DONT_RETRY
|
4151 ZIO_FLAG_CANFAIL
| ZIO_FLAG_RAW
, NULL
, NULL
));
4154 error
= zio_wait(zio
);
4155 spa_config_exit(spa
, SCL_STATE
, FTAG
);
4158 (void) printf("Read of %s failed, error: %d\n", thing
, error
);
4162 if (flags
& ZDB_FLAG_DECOMPRESS
) {
4164 * We don't know how the data was compressed, so just try
4165 * every decompress function at every inflated blocksize.
4167 enum zio_compress c
;
4168 void *lbuf2
= umem_alloc(SPA_MAXBLOCKSIZE
, UMEM_NOFAIL
);
4171 * XXX - On the one hand, with SPA_MAXBLOCKSIZE at 16MB,
4172 * this could take a while and we should let the user know
4173 * we are not stuck. On the other hand, printing progress
4174 * info gets old after a while. What to do?
4176 for (lsize
= psize
+ SPA_MINBLOCKSIZE
;
4177 lsize
<= SPA_MAXBLOCKSIZE
; lsize
+= SPA_MINBLOCKSIZE
) {
4178 for (c
= 0; c
< ZIO_COMPRESS_FUNCTIONS
; c
++) {
4180 * ZLE can easily decompress non zle stream.
4181 * So have an option to disable it.
4183 if (c
== ZIO_COMPRESS_ZLE
&&
4184 getenv("ZDB_NO_ZLE"))
4187 (void) fprintf(stderr
,
4188 "Trying %05llx -> %05llx (%s)\n",
4189 (u_longlong_t
)psize
, (u_longlong_t
)lsize
,
4190 zio_compress_table
[c
].ci_name
);
4193 * We randomize lbuf2, and decompress to both
4194 * lbuf and lbuf2. This way, we will know if
4195 * decompression fill exactly to lsize.
4197 VERIFY0(random_get_pseudo_bytes(lbuf2
, lsize
));
4199 if (zio_decompress_data(c
, pabd
,
4200 lbuf
, psize
, lsize
) == 0 &&
4201 zio_decompress_data(c
, pabd
,
4202 lbuf2
, psize
, lsize
) == 0 &&
4203 bcmp(lbuf
, lbuf2
, lsize
) == 0)
4206 if (c
!= ZIO_COMPRESS_FUNCTIONS
)
4209 umem_free(lbuf2
, SPA_MAXBLOCKSIZE
);
4211 if (lsize
> SPA_MAXBLOCKSIZE
) {
4212 (void) printf("Decompress of %s failed\n", thing
);
4219 buf
= abd_borrow_buf_copy(pabd
, size
);
4223 if (flags
& ZDB_FLAG_PRINT_BLKPTR
)
4224 zdb_print_blkptr((blkptr_t
*)(void *)
4225 ((uintptr_t)buf
+ (uintptr_t)blkptr_offset
), flags
);
4226 else if (flags
& ZDB_FLAG_RAW
)
4227 zdb_dump_block_raw(buf
, size
, flags
);
4228 else if (flags
& ZDB_FLAG_INDIRECT
)
4229 zdb_dump_indirect((blkptr_t
*)buf
, size
/ sizeof (blkptr_t
),
4231 else if (flags
& ZDB_FLAG_GBH
)
4232 zdb_dump_gbh(buf
, flags
);
4234 zdb_dump_block(thing
, buf
, size
, flags
);
4237 abd_return_buf_copy(pabd
, buf
, size
);
4241 umem_free(lbuf
, SPA_MAXBLOCKSIZE
);
4246 zdb_embedded_block(char *thing
)
4249 unsigned long long *words
= (void *)&bp
;
4253 buf
= umem_alloc(SPA_MAXBLOCKSIZE
, UMEM_NOFAIL
);
4255 bzero(&bp
, sizeof (bp
));
4256 err
= sscanf(thing
, "%llx:%llx:%llx:%llx:%llx:%llx:%llx:%llx:"
4257 "%llx:%llx:%llx:%llx:%llx:%llx:%llx:%llx",
4258 words
+ 0, words
+ 1, words
+ 2, words
+ 3,
4259 words
+ 4, words
+ 5, words
+ 6, words
+ 7,
4260 words
+ 8, words
+ 9, words
+ 10, words
+ 11,
4261 words
+ 12, words
+ 13, words
+ 14, words
+ 15);
4263 (void) printf("invalid input format\n");
4266 ASSERT3U(BPE_GET_LSIZE(&bp
), <=, SPA_MAXBLOCKSIZE
);
4267 err
= decode_embedded_bp(&bp
, buf
, BPE_GET_LSIZE(&bp
));
4269 (void) printf("decode failed: %u\n", err
);
4272 zdb_dump_block_raw(buf
, BPE_GET_LSIZE(&bp
), 0);
4273 umem_free(buf
, SPA_MAXBLOCKSIZE
);
4277 main(int argc
, char **argv
)
4280 struct rlimit rl
= { 1024, 1024 };
4282 objset_t
*os
= NULL
;
4286 char **searchdirs
= NULL
;
4288 char *target
, *target_pool
;
4289 nvlist_t
*policy
= NULL
;
4290 uint64_t max_txg
= UINT64_MAX
;
4291 int flags
= ZFS_IMPORT_MISSING_LOG
;
4292 int rewind
= ZPOOL_NEVER_REWIND
;
4293 char *spa_config_path_env
;
4294 boolean_t target_is_spa
= B_TRUE
;
4296 (void) setrlimit(RLIMIT_NOFILE
, &rl
);
4297 (void) enable_extended_FILE_stdio(-1, -1);
4299 dprintf_setup(&argc
, argv
);
4302 * If there is an environment variable SPA_CONFIG_PATH it overrides
4303 * default spa_config_path setting. If -U flag is specified it will
4304 * override this environment variable settings once again.
4306 spa_config_path_env
= getenv("SPA_CONFIG_PATH");
4307 if (spa_config_path_env
!= NULL
)
4308 spa_config_path
= spa_config_path_env
;
4310 while ((c
= getopt(argc
, argv
,
4311 "AbcCdDeEFGhiI:lLmMo:Op:PqRsSt:uU:vVx:X")) != -1) {
4342 /* NB: Sort single match options below. */
4344 max_inflight
= strtoull(optarg
, NULL
, 0);
4345 if (max_inflight
== 0) {
4346 (void) fprintf(stderr
, "maximum number "
4347 "of inflight I/Os must be greater "
4353 error
= set_global_var(optarg
);
4358 if (searchdirs
== NULL
) {
4359 searchdirs
= umem_alloc(sizeof (char *),
4362 char **tmp
= umem_alloc((nsearch
+ 1) *
4363 sizeof (char *), UMEM_NOFAIL
);
4364 bcopy(searchdirs
, tmp
, nsearch
*
4366 umem_free(searchdirs
,
4367 nsearch
* sizeof (char *));
4370 searchdirs
[nsearch
++] = optarg
;
4373 max_txg
= strtoull(optarg
, NULL
, 0);
4374 if (max_txg
< TXG_INITIAL
) {
4375 (void) fprintf(stderr
, "incorrect txg "
4376 "specified: %s\n", optarg
);
4381 spa_config_path
= optarg
;
4382 if (spa_config_path
[0] != '/') {
4383 (void) fprintf(stderr
,
4384 "cachefile must be an absolute path "
4385 "(i.e. start with a slash)\n");
4393 flags
= ZFS_IMPORT_VERBATIM
;
4396 vn_dumpdir
= optarg
;
4404 if (!dump_opt
['e'] && searchdirs
!= NULL
) {
4405 (void) fprintf(stderr
, "-p option requires use of -e\n");
4411 * ZDB does not typically re-read blocks; therefore limit the ARC
4412 * to 256 MB, which can be used entirely for metadata.
4414 zfs_arc_max
= zfs_arc_meta_limit
= 256 * 1024 * 1024;
4418 * "zdb -c" uses checksum-verifying scrub i/os which are async reads.
4419 * "zdb -b" uses traversal prefetch which uses async reads.
4420 * For good performance, let several of them be active at once.
4422 zfs_vdev_async_read_max_active
= 10;
4425 * Disable reference tracking for better performance.
4427 reference_tracking_enable
= B_FALSE
;
4430 if ((g_zfs
= libzfs_init()) == NULL
) {
4431 (void) fprintf(stderr
, "%s", libzfs_error_init(errno
));
4436 verbose
= MAX(verbose
, 1);
4438 for (c
= 0; c
< 256; c
++) {
4439 if (dump_all
&& strchr("AeEFlLOPRSX", c
) == NULL
)
4442 dump_opt
[c
] += verbose
;
4445 aok
= (dump_opt
['A'] == 1) || (dump_opt
['A'] > 2);
4446 zfs_recover
= (dump_opt
['A'] > 1);
4451 if (argc
< 2 && dump_opt
['R'])
4454 if (dump_opt
['E']) {
4457 zdb_embedded_block(argv
[0]);
4462 if (!dump_opt
['e'] && dump_opt
['C']) {
4463 dump_cachefile(spa_config_path
);
4470 return (dump_label(argv
[0]));
4472 if (dump_opt
['O']) {
4475 dump_opt
['v'] = verbose
+ 3;
4476 return (dump_path(argv
[0], argv
[1]));
4479 if (dump_opt
['X'] || dump_opt
['F'])
4480 rewind
= ZPOOL_DO_REWIND
|
4481 (dump_opt
['X'] ? ZPOOL_EXTREME_REWIND
: 0);
4483 if (nvlist_alloc(&policy
, NV_UNIQUE_NAME_TYPE
, 0) != 0 ||
4484 nvlist_add_uint64(policy
, ZPOOL_REWIND_REQUEST_TXG
, max_txg
) != 0 ||
4485 nvlist_add_uint32(policy
, ZPOOL_REWIND_REQUEST
, rewind
) != 0)
4486 fatal("internal error: %s", strerror(ENOMEM
));
4491 if (strpbrk(target
, "/@") != NULL
) {
4494 target_pool
= strdup(target
);
4495 *strpbrk(target_pool
, "/@") = '\0';
4497 target_is_spa
= B_FALSE
;
4498 targetlen
= strlen(target
);
4499 if (targetlen
&& target
[targetlen
- 1] == '/')
4500 target
[targetlen
- 1] = '\0';
4502 target_pool
= target
;
4505 if (dump_opt
['e']) {
4506 importargs_t args
= { 0 };
4507 nvlist_t
*cfg
= NULL
;
4509 args
.paths
= nsearch
;
4510 args
.path
= searchdirs
;
4511 args
.can_be_active
= B_TRUE
;
4513 error
= zpool_tryimport(g_zfs
, target_pool
, &cfg
, &args
);
4517 if (nvlist_add_nvlist(cfg
,
4518 ZPOOL_REWIND_POLICY
, policy
) != 0) {
4519 fatal("can't open '%s': %s",
4520 target
, strerror(ENOMEM
));
4524 * Disable the activity check to allow examination of
4527 if (dump_opt
['C'] > 1) {
4528 (void) printf("\nConfiguration for import:\n");
4529 dump_nvlist(cfg
, 8);
4531 error
= spa_import(target_pool
, cfg
, NULL
,
4532 flags
| ZFS_IMPORT_SKIP_MMP
);
4536 if (target_pool
!= target
)
4540 if (target_is_spa
|| dump_opt
['R']) {
4542 * Disable the activity check to allow examination of
4545 mutex_enter(&spa_namespace_lock
);
4546 if ((spa
= spa_lookup(target
)) != NULL
) {
4547 spa
->spa_import_flags
|= ZFS_IMPORT_SKIP_MMP
;
4549 mutex_exit(&spa_namespace_lock
);
4551 error
= spa_open_rewind(target
, &spa
, FTAG
, policy
,
4555 * If we're missing the log device then
4556 * try opening the pool after clearing the
4559 mutex_enter(&spa_namespace_lock
);
4560 if ((spa
= spa_lookup(target
)) != NULL
&&
4561 spa
->spa_log_state
== SPA_LOG_MISSING
) {
4562 spa
->spa_log_state
= SPA_LOG_CLEAR
;
4565 mutex_exit(&spa_namespace_lock
);
4568 error
= spa_open_rewind(target
, &spa
,
4569 FTAG
, policy
, NULL
);
4573 error
= open_objset(target
, DMU_OST_ANY
, FTAG
, &os
);
4575 spa
= dmu_objset_spa(os
);
4578 nvlist_free(policy
);
4581 fatal("can't open '%s': %s", target
, strerror(error
));
4584 * Set the pool failure mode to panic in order to prevent the pool
4585 * from suspending. A suspended I/O will have no way to resume and
4586 * can prevent the zdb(8) command from terminating as expected.
4589 spa
->spa_failmode
= ZIO_FAILURE_MODE_PANIC
;
4593 if (!dump_opt
['R']) {
4595 zopt_objects
= argc
;
4596 zopt_object
= calloc(zopt_objects
, sizeof (uint64_t));
4597 for (unsigned i
= 0; i
< zopt_objects
; i
++) {
4599 zopt_object
[i
] = strtoull(argv
[i
], NULL
, 0);
4600 if (zopt_object
[i
] == 0 && errno
!= 0)
4601 fatal("bad number %s: %s",
4602 argv
[i
], strerror(errno
));
4607 } else if (zopt_objects
> 0 && !dump_opt
['m']) {
4608 dump_dir(spa
->spa_meta_objset
);
4613 flagbits
['b'] = ZDB_FLAG_PRINT_BLKPTR
;
4614 flagbits
['c'] = ZDB_FLAG_CHECKSUM
;
4615 flagbits
['d'] = ZDB_FLAG_DECOMPRESS
;
4616 flagbits
['e'] = ZDB_FLAG_BSWAP
;
4617 flagbits
['g'] = ZDB_FLAG_GBH
;
4618 flagbits
['i'] = ZDB_FLAG_INDIRECT
;
4619 flagbits
['p'] = ZDB_FLAG_PHYS
;
4620 flagbits
['r'] = ZDB_FLAG_RAW
;
4622 for (int i
= 0; i
< argc
; i
++)
4623 zdb_read_block(argv
[i
], spa
);
4627 close_objset(os
, FTAG
);
4629 spa_close(spa
, FTAG
);
4631 fuid_table_destroy();
4633 dump_debug_buffer();