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Add zpool status -s (slow I/Os) and -p (parseable)

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This patch adds a new slow I/Os (-s) column to zpool status to show the
number of VDEV slow I/Os. This is the number of I/Os that didn't
complete in zio_slow_io_ms milliseconds. It also adds a new parsable
(-p) flag to display exact values.

 	NAME         STATE     READ WRITE CKSUM  SLOW
 	testpool     ONLINE       0     0     0     -
	  mirror-0   ONLINE       0     0     0     -
 	    loop0    ONLINE       0     0     0    20
 	    loop1    ONLINE       0     0     0     0

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Closes #7756
Closes #6885
This commit is contained in:
Tony Hutter
2018-11-08 16:47:24 -08:00
committed by Brian Behlendorf
parent 877d925a9e
commit ad796b8a3b
16 changed files with 321 additions and 136 deletions
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tests/runfiles/linux.run
+1 -1
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@@ -546,7 +546,7 @@ tags = ['functional', 'exec']
tests = ['auto_online_001_pos', 'auto_replace_001_pos', 'auto_spare_001_pos',
'auto_spare_002_pos', 'auto_spare_ashift', 'auto_spare_multiple',
'auto_spare_shared', 'scrub_after_resilver', 'decrypt_fault',
'decompress_fault']
'decompress_fault','zpool_status_-s']
tags = ['functional', 'fault']
[tests/functional/features/async_destroy]