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Extend zpool-iostat to account for ZIO_PRIORITY_REBUILD (#12319)

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Previously, zpool-iostat did not display any data regarding rebuild I/Os
in either the latency/size histograms (-w/-l/-r) or the queue data (-q).
This fix essentially utilizes the existing infrastructure for tracking
rebuild queue data and displays this data in the proper places within
zpool-iostat's output.

Signed-off-by: Trevor Bautista <tbautista@newmexicoconsortium.org>
Signed-off-by: Trevor Bautista <tbautista@lanl.gov>
Co-authored-by: Trevor Bautista <tbautista@newmexicoconsortium.org>
Reviewed-by: Richard Elling <Richard.Elling@RichardElling.com>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
This commit is contained in:
Trevor Bautista
2021-08-26 11:26:49 -07:00
committed by GitHub
parent b0f3f393d1
commit 00888c0898
6 changed files with 62 additions and 15 deletions
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man/man8/zpool-iostat.8
+8
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@@ -201,6 +201,9 @@ Does not include disk time.
.It Sy scrub
Amount of time I/O spent in scrub queue.
Does not include disk time.
.It Sy rebuild
Amount of time I/O spent in rebuild queue.
Does not include disk time.
.El
.It Fl l
Include average latency statistics:
@@ -221,6 +224,9 @@ Does not include disk time.
.It Sy trim
Average queuing time in trim queue.
Does not include disk time.
.It Sy rebuild
Average queuing time in rebuild queue.
Does not include disk time.
.El
.It Fl q
Include active queue statistics.
@@ -242,6 +248,8 @@ Current number of entries in asynchronous priority queues.
Current number of entries in scrub queue.
.It Sy trimq_write
Current number of entries in trim queue.
.It Sy rebuildq_write
Current number of entries in rebuild queue.
.El
.Pp
All queue statistics are instantaneous measurements of the number of