From 245be005976fffba97424a50e8737ac276348554 Mon Sep 17 00:00:00 2001 From: George Melikov Date: Mon, 30 Apr 2018 21:42:58 +0300 Subject: [PATCH] Add back iostat -y or -w descriptions The iostat -y and -w descriptions were left in cda0317e, get them back. Reviewed by: Matthew Ahrens Reviewed-by: Tony Hutter Reviewed-by: Giuseppe Di Natale Reviewed-by: Brian Behlendorf Signed-off-by: George Melikov Closes #7479 Closes #7483 --- man/man8/zpool.8 | 21 +++++++++++++++++++-- 1 file changed, 19 insertions(+), 2 deletions(-) diff --git a/man/man8/zpool.8 b/man/man8/zpool.8 index 6d7c2271cd..46e531e221 100644 --- a/man/man8/zpool.8 +++ b/man/man8/zpool.8 @@ -24,10 +24,10 @@ .\" Copyright 2016 Nexenta Systems, Inc. .\" 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 (c) 2017 Datto Inc. .\" -.Dd June 28, 2017 +.Dd April 27, 2018 .Dt ZPOOL 8 SMM .Os Linux .Sh NAME @@ -1554,7 +1554,24 @@ 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