diff options
Diffstat (limited to 'usr/src')
| -rw-r--r-- | usr/src/cmd/zdb/zdb.c | 26 | ||||
| -rw-r--r-- | usr/src/man/man1m/zdb.1m | 17 |
2 files changed, 36 insertions, 7 deletions
diff --git a/usr/src/cmd/zdb/zdb.c b/usr/src/cmd/zdb/zdb.c index 751610c6fb..2640b1e295 100644 --- a/usr/src/cmd/zdb/zdb.c +++ b/usr/src/cmd/zdb/zdb.c @@ -21,7 +21,7 @@ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. - * Copyright (c) 2011, 2015 by Delphix. All rights reserved. + * Copyright (c) 2011, 2016 by Delphix. All rights reserved. * Copyright (c) 2014 Integros [integros.com] */ @@ -117,7 +117,7 @@ static void usage(void) { (void) fprintf(stderr, - "Usage: %s [-CumMdibcsDvhLXFPA] [-t txg] [-e [-p path...]] " + "Usage: %s [-CumMdibcsDvhLXFPAG] [-t txg] [-e [-p path...]] " "[-U config] [-I inflight I/Os] [-x dumpdir] poolname [object...]\n" " %s [-divPA] [-e -p path...] [-U config] dataset " "[object...]\n" @@ -178,12 +178,23 @@ usage(void) (void) fprintf(stderr, " -I <number of inflight I/Os> -- " "specify the maximum number of " "checksumming I/Os [default is 200]\n"); + (void) fprintf(stderr, " -G dump zfs_dbgmsg buffer before " + "exiting\n"); (void) fprintf(stderr, "Specify an option more than once (e.g. -bb) " "to make only that option verbose\n"); (void) fprintf(stderr, "Default is to dump everything non-verbosely\n"); exit(1); } +static void +dump_debug_buffer() +{ + if (dump_opt['G']) { + (void) printf("\n"); + zfs_dbgmsg_print("zdb"); + } +} + /* * Called for usage errors that are discovered after a call to spa_open(), * dmu_bonus_hold(), or pool_match(). abort() is called for other errors. @@ -200,6 +211,8 @@ fatal(const char *fmt, ...) va_end(ap); (void) fprintf(stderr, "\n"); + dump_debug_buffer(); + exit(1); } @@ -3079,8 +3092,10 @@ dump_zpool(spa_t *spa) if (dump_opt['h']) dump_history(spa); - if (rc != 0) + if (rc != 0) { + dump_debug_buffer(); exit(rc); + } } #define ZDB_FLAG_CHECKSUM 0x0001 @@ -3550,7 +3565,7 @@ main(int argc, char **argv) spa_config_path = spa_config_path_env; while ((c = getopt(argc, argv, - "bcdhilmMI:suCDRSAFLXx:evp:t:U:P")) != -1) { + "bcdhilmMI:suCDRSAFLXx:evp:t:U:PG")) != -1) { switch (c) { case 'b': case 'c': @@ -3566,6 +3581,7 @@ main(int argc, char **argv) case 'M': case 'R': case 'S': + case 'G': dump_opt[c]++; dump_all = 0; break; @@ -3800,6 +3816,8 @@ main(int argc, char **argv) fuid_table_destroy(); sa_loaded = B_FALSE; + dump_debug_buffer(); + libzfs_fini(g_zfs); kernel_fini(); diff --git a/usr/src/man/man1m/zdb.1m b/usr/src/man/man1m/zdb.1m index 0b5b01df76..260fa854db 100644 --- a/usr/src/man/man1m/zdb.1m +++ b/usr/src/man/man1m/zdb.1m @@ -11,15 +11,15 @@ .\" .\" .\" Copyright 2012, Richard Lowe. -.\" Copyright (c) 2012, 2014 by Delphix. All rights reserved. +.\" Copyright (c) 2012, 2016 by Delphix. All rights reserved. .\" -.TH "ZDB" "1M" "March 6, 2014" "" "" +.TH "ZDB" "1M" "Feb 4, 2016" "" "" .SH "NAME" \fBzdb\fR - Display zpool debugging and consistency information .SH "SYNOPSIS" -\fBzdb\fR [-CumdibcsDvhLMXFPA] [-e [-p \fIpath\fR...]] [-t \fItxg\fR] +\fBzdb\fR [-CumdibcsDvhLMXFPAG] [-e [-p \fIpath\fR...]] [-t \fItxg\fR] [-U \fIcache\fR] [-I \fIinflight I/Os\fR] [-x \fIdumpdir\fR] [\fIpoolname\fR [\fIobject\fR ...]] @@ -400,6 +400,17 @@ transactions. .sp .ne 2 .na +\fB-G\fR +.ad +.sp .6 +.RS 4n +Dump the contents of the zfs_dbgmsg buffer before exiting zdb. zfs_dbgmsg is +a buffer used by ZFS to dump advanced debug information. +.RE + +.sp +.ne 2 +.na \fB-I \fIinflight I/Os\fR \fR .ad .sp .6 |