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authormav <mav@FreeBSD.org>2015-10-03 07:47:33 +0000
committermav <mav@FreeBSD.org>2015-10-03 07:47:33 +0000
commit5905fe5beb455e465566b756e9681baf6ad2df9e (patch)
tree16c2c2c196b4140fcd0d60b6bacda8adcf57360b /cddl/contrib/opensolaris
parent5db6c492e1d64424a78a764000e6ffc19bb1e534 (diff)
downloadFreeBSD-src-5905fe5beb455e465566b756e9681baf6ad2df9e.zip
FreeBSD-src-5905fe5beb455e465566b756e9681baf6ad2df9e.tar.gz
MFC r286603: 5810 zdb should print details of bpobj
Reviewed by: Prakash Surya <prakash.surya@delphix.com> Reviewed by: Alex Reece <alex@delphix.com> Reviewed by: George Wilson <george@delphix.com> Reviewed by: Will Andrews <will@freebsd.org> Reviewed by: Simon Klinkert <simon.klinkert@gmail.com> Approved by: Gordon Ross <gwr@nexenta.com> Author: Matthew Ahrens <mahrens@delphix.com> illumos/illumos-gate@732885fca09e11183dd0ea69aaaab5588fb7dbff
Diffstat (limited to 'cddl/contrib/opensolaris')
-rw-r--r--cddl/contrib/opensolaris/cmd/zdb/zdb.c98
1 files changed, 87 insertions, 11 deletions
diff --git a/cddl/contrib/opensolaris/cmd/zdb/zdb.c b/cddl/contrib/opensolaris/cmd/zdb/zdb.c
index 34912cd..60f7d9a 100644
--- a/cddl/contrib/opensolaris/cmd/zdb/zdb.c
+++ b/cddl/contrib/opensolaris/cmd/zdb/zdb.c
@@ -95,6 +95,8 @@ int zopt_objects = 0;
libzfs_handle_t *g_zfs;
uint64_t max_inflight = 1000;
+static void snprintf_blkptr_compact(char *, size_t, const blkptr_t *);
+
/*
* These libumem hooks provide a reasonable set of defaults for the allocator's
* debugging facilities.
@@ -418,6 +420,79 @@ dump_zap(objset_t *os, uint64_t object, void *data, size_t size)
zap_cursor_fini(&zc);
}
+static void
+dump_bpobj(objset_t *os, uint64_t object, void *data, size_t size)
+{
+ bpobj_phys_t *bpop = data;
+ char bytes[32], comp[32], uncomp[32];
+
+ if (bpop == NULL)
+ return;
+
+ zdb_nicenum(bpop->bpo_bytes, bytes);
+ zdb_nicenum(bpop->bpo_comp, comp);
+ zdb_nicenum(bpop->bpo_uncomp, uncomp);
+
+ (void) printf("\t\tnum_blkptrs = %llu\n",
+ (u_longlong_t)bpop->bpo_num_blkptrs);
+ (void) printf("\t\tbytes = %s\n", bytes);
+ if (size >= BPOBJ_SIZE_V1) {
+ (void) printf("\t\tcomp = %s\n", comp);
+ (void) printf("\t\tuncomp = %s\n", uncomp);
+ }
+ if (size >= sizeof (*bpop)) {
+ (void) printf("\t\tsubobjs = %llu\n",
+ (u_longlong_t)bpop->bpo_subobjs);
+ (void) printf("\t\tnum_subobjs = %llu\n",
+ (u_longlong_t)bpop->bpo_num_subobjs);
+ }
+
+ if (dump_opt['d'] < 5)
+ return;
+
+ for (uint64_t i = 0; i < bpop->bpo_num_blkptrs; i++) {
+ char blkbuf[BP_SPRINTF_LEN];
+ blkptr_t bp;
+
+ int err = dmu_read(os, object,
+ i * sizeof (bp), sizeof (bp), &bp, 0);
+ if (err != 0) {
+ (void) printf("got error %u from dmu_read\n", err);
+ break;
+ }
+ snprintf_blkptr_compact(blkbuf, sizeof (blkbuf), &bp);
+ (void) printf("\t%s\n", blkbuf);
+ }
+}
+
+/* ARGSUSED */
+static void
+dump_bpobj_subobjs(objset_t *os, uint64_t object, void *data, size_t size)
+{
+ dmu_object_info_t doi;
+
+ VERIFY0(dmu_object_info(os, object, &doi));
+ uint64_t *subobjs = kmem_alloc(doi.doi_max_offset, KM_SLEEP);
+
+ int err = dmu_read(os, object, 0, doi.doi_max_offset, subobjs, 0);
+ if (err != 0) {
+ (void) printf("got error %u from dmu_read\n", err);
+ kmem_free(subobjs, doi.doi_max_offset);
+ return;
+ }
+
+ int64_t last_nonzero = -1;
+ for (uint64_t i = 0; i < doi.doi_max_offset / 8; i++) {
+ if (subobjs[i] != 0)
+ last_nonzero = i;
+ }
+
+ for (int64_t i = 0; i <= last_nonzero; i++) {
+ (void) printf("\t%llu\n", (longlong_t)subobjs[i]);
+ }
+ kmem_free(subobjs, doi.doi_max_offset);
+}
+
/*ARGSUSED*/
static void
dump_ddt_zap(objset_t *os, uint64_t object, void *data, size_t size)
@@ -1397,7 +1472,7 @@ dump_bpobj_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
}
static void
-dump_bpobj(bpobj_t *bpo, char *name, int indent)
+dump_full_bpobj(bpobj_t *bpo, char *name, int indent)
{
char bytes[32];
char comp[32];
@@ -1411,11 +1486,12 @@ dump_bpobj(bpobj_t *bpo, char *name, int indent)
zdb_nicenum(bpo->bpo_phys->bpo_comp, comp);
zdb_nicenum(bpo->bpo_phys->bpo_uncomp, uncomp);
(void) printf(" %*s: object %llu, %llu local blkptrs, "
- "%llu subobjs, %s (%s/%s comp)\n",
+ "%llu subobjs in object %llu, %s (%s/%s comp)\n",
indent * 8, name,
(u_longlong_t)bpo->bpo_object,
(u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs,
(u_longlong_t)bpo->bpo_phys->bpo_num_subobjs,
+ (u_longlong_t)bpo->bpo_phys->bpo_subobjs,
bytes, comp, uncomp);
for (uint64_t i = 0; i < bpo->bpo_phys->bpo_num_subobjs; i++) {
@@ -1432,7 +1508,7 @@ dump_bpobj(bpobj_t *bpo, char *name, int indent)
error, (u_longlong_t)subobj);
continue;
}
- dump_bpobj(&subbpo, "subobj", indent + 1);
+ dump_full_bpobj(&subbpo, "subobj", indent + 1);
bpobj_close(&subbpo);
}
} else {
@@ -1466,7 +1542,7 @@ dump_deadlist(dsl_deadlist_t *dl)
return;
if (dl->dl_oldfmt) {
- dump_bpobj(&dl->dl_bpobj, "old-format deadlist", 0);
+ dump_full_bpobj(&dl->dl_bpobj, "old-format deadlist", 0);
return;
}
@@ -1491,8 +1567,7 @@ dump_deadlist(dsl_deadlist_t *dl)
(void) snprintf(buf, sizeof (buf), "mintxg %llu -> ",
(longlong_t)dle->dle_mintxg,
(longlong_t)dle->dle_bpobj.bpo_object);
-
- dump_bpobj(&dle->dle_bpobj, buf, 0);
+ dump_full_bpobj(&dle->dle_bpobj, buf, 0);
} else {
(void) printf("mintxg %llu -> obj %llu\n",
(longlong_t)dle->dle_mintxg,
@@ -1684,8 +1759,8 @@ static object_viewer_t *object_viewer[DMU_OT_NUMTYPES + 1] = {
dump_uint64, /* object array */
dump_none, /* packed nvlist */
dump_packed_nvlist, /* packed nvlist size */
- dump_none, /* bplist */
- dump_none, /* bplist header */
+ dump_none, /* bpobj */
+ dump_bpobj, /* bpobj header */
dump_none, /* SPA space map header */
dump_none, /* SPA space map */
dump_none, /* ZIL intent log */
@@ -1732,7 +1807,7 @@ static object_viewer_t *object_viewer[DMU_OT_NUMTYPES + 1] = {
dump_zap, /* deadlist */
dump_none, /* deadlist hdr */
dump_zap, /* dsl clones */
- dump_none, /* bpobj subobjs */
+ dump_bpobj_subobjs, /* bpobj subobjs */
dump_unknown, /* Unknown type, must be last */
};
@@ -2961,10 +3036,11 @@ dump_zpool(spa_t *spa)
uint64_t refcount;
dump_dir(dp->dp_meta_objset);
if (dump_opt['d'] >= 3) {
- dump_bpobj(&spa->spa_deferred_bpobj,
+ dump_full_bpobj(&spa->spa_deferred_bpobj,
"Deferred frees", 0);
if (spa_version(spa) >= SPA_VERSION_DEADLISTS) {
- dump_bpobj(&spa->spa_dsl_pool->dp_free_bpobj,
+ dump_full_bpobj(
+ &spa->spa_dsl_pool->dp_free_bpobj,
"Pool snapshot frees", 0);
}
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