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Add back iostat -y or -w descriptions 

The iostat -y and -w descriptions were left in cda0317e,
get them back.

Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Giuseppe Di Natale <dinatale2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: George Melikov <mail@gmelikov.ru>
Closes #7479 
Closes #7483
This commit is contained in:
George Melikov 2018-04-30 21:42:58 +03:00 committed by Brian Behlendorf
parent c83ccb3e72
commit eb201f50ac
1 changed files with 19 additions and 2 deletions
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21
man/man8/zpool.8
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@ -23,11 +23,11 @@
.\" Copyright (c) 2012, 2017 by Delphix. All rights reserved.
.\" Copyright (c) 2012 Cyril Plisko. All Rights Reserved.
.\" Copyright (c) 2017 Datto Inc.
.\" Copyright (c) 2017 George Melikov. All Rights Reserved.
.\" Copyright (c) 2018 George Melikov. All Rights Reserved.
.\" Copyright 2017 Nexenta Systems, Inc.
.\" Copyright (c) 2017 Open-E, Inc. All Rights Reserved.
.\"
.Dd March 9, 2018
.Dd April 27, 2018
.Dt ZPOOL 8 SMM
.Os Linux
.Sh NAME
@ -1581,7 +1581,24 @@ block device.
Verbose statistics Reports usage statistics for individual vdevs within the
pool, in addition to the pool-wide statistics.
.It Fl y
Omit statistics since boot.
Normally the first line of output reports the statistics since boot.
This option suppresses that first line of output.
.It Fl w
Display latency histograms:
.Pp
.Ar total_wait :
Total IO time (queuing + disk IO time).
.Ar disk_wait :
Disk IO time (time reading/writing the disk).
.Ar syncq_wait :
Amount of time IO spent in synchronous priority queues. Does not include
disk time.
.Ar asyncq_wait :
Amount of time IO spent in asynchronous priority queues. Does not include
disk time.
.Ar scrub :
Amount of time IO spent in scrub queue. Does not include disk time.
.It Fl l
Include average latency statistics:
.Pp