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Add -y option to zpool iostat

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sysstat's iostat omits the first report when the -y option is used.
This patch adds that functionality and omits the first report with
statistics since system boot.

Signed-off-by: Hajo Möller <dasjoe@gmail.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #3439
This commit is contained in:
Hajo Möller
2015-05-24 20:22:55 +02:00
committed by Brian Behlendorf
parent 8e70975f90
commit 410921241d
2 changed files with 36 additions and 10 deletions
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man/man8/zpool.8
+13 -2
View File
@@ -94,7 +94,7 @@ zpool \- configures ZFS storage pools
.LP
.nf
\fBzpool iostat\fR [\fB-T\fR d | u ] [\fB-v\fR] [\fIpool\fR] ... [\fIinterval\fR[\fIcount\fR]]
\fBzpool iostat\fR [\fB-T\fR d | u ] [\fB-v\fR] [\fB-y\fR] [\fIpool\fR] ... [\fIinterval\fR[\fIcount\fR]]
.fi
.LP
@@ -1608,7 +1608,7 @@ Allows a pool to import when there is a missing log device.
.ne 2
.mk
.na
\fB\fBzpool iostat\fR [\fB-T\fR \fBd\fR | \fBu\fR] [\fB-v\fR] [\fIpool\fR] ... [\fIinterval\fR[\fIcount\fR]]\fR
\fB\fBzpool iostat\fR [\fB-T\fR \fBd\fR | \fBu\fR] [\fB-v\fR] [\fB-y\fR] [\fIpool\fR] ... [\fIinterval\fR[\fIcount\fR]]\fR
.ad
.sp .6
.RS 4n
@@ -1637,6 +1637,17 @@ Specify \fBu\fR for a printed representation of the internal representation of t
Verbose statistics. Reports usage statistics for individual \fIvdevs\fR within the pool, in addition to the pool-wide statistics.
.RE
.sp
.ne 2
.mk
.na
\fB\fB-y\fR\fR
.ad
.RS 12n
.rt
Omit statistics since boot. Normally the first line of output reports the statistics since boot. This option suppresses that first line of output.
.RE
.RE
.sp