Date: Mon, 3 Oct 2016 12:13:40 +0000 (UTC) From: Rick Macklem <rmacklem@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r306633 - stable/11/usr.bin/nfsstat Message-ID: <201610031213.u93CDeFQ001390@repo.freebsd.org>
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Author: rmacklem Date: Mon Oct 3 12:13:40 2016 New Revision: 306633 URL: https://svnweb.freebsd.org/changeset/base/306633 Log: MFC: r304059 Update the man page to descibe the "-d" option added by r304058. This is a content change. Modified: stable/11/usr.bin/nfsstat/nfsstat.1 Directory Properties: stable/11/ (props changed) Modified: stable/11/usr.bin/nfsstat/nfsstat.1 ============================================================================== --- stable/11/usr.bin/nfsstat/nfsstat.1 Mon Oct 3 12:02:45 2016 (r306632) +++ stable/11/usr.bin/nfsstat/nfsstat.1 Mon Oct 3 12:13:40 2016 (r306633) @@ -28,7 +28,7 @@ .\" From: @(#)nfsstat.1 8.1 (Berkeley) 6/6/93 .\" $FreeBSD$ .\" -.Dd April 23, 2015 +.Dd August 13, 2016 .Dt NFSSTAT 1 .Os .Sh NAME @@ -38,7 +38,7 @@ statistics .Sh SYNOPSIS .Nm -.Op Fl cemszW +.Op Fl cdemszW .Op Fl M Ar core .Op Fl N Ar system .Op Fl w Ar wait @@ -57,6 +57,28 @@ The options are as follows: .Bl -tag -width indent .It Fl c Only display client side statistics. +.It Fl d +Display statistics for the new NFS server that are similar to those +displayed by +.Xr iostat 8 . +This includes kilobytes per transfer, transfers per second, and megabytes per +second for read, write, and all operations. +It also includes the current queue depth, the busy percentage, and latency +for all operations. +If the +.Fl W +flag is added, commits per second, commit latency, read latency, and write +latency are also added to the display. +The busy percentage shown can exceed 100 at times. +This is because of the way busy percentages are calculated. +The busy time is calculated by adding the elapsed time between the +last time an operation started or finished, +and the current time. +If there is only one operation outstanding, the "busy time" time +will get updated with the total time of that operation. +That means that the difference in the busy time between the two +measurement intervals (often 1 second) +will increase by more than the measurement interval. .It Fl e Report the extra statistics collected by the NFS client and server for NFSv4. @@ -79,7 +101,8 @@ Only display server side statistics. Use wide format with interval short summary. This option is especially useful when combined with -.Fl c +.Fl c , +.Fl d , or .Fl s and a time delay.
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