svn commit: r208460 - head/usr.sbin/iostat
Sean Bruno
sbruno at FreeBSD.org
Sun May 23 19:48:54 UTC 2010
Author: sbruno
Date: Sun May 23 19:48:54 2010
New Revision: 208460
URL: http://svn.freebsd.org/changeset/base/208460
Log:
Explain how the new sub-second interval from changeset:208389 works.
Approved by: scottl(mentor)
Obtained from: Yahoo Inc.
MFC after: 2 weeks
Modified:
head/usr.sbin/iostat/iostat.8
Modified: head/usr.sbin/iostat/iostat.8
==============================================================================
--- head/usr.sbin/iostat/iostat.8 Sun May 23 19:46:19 2010 (r208459)
+++ head/usr.sbin/iostat/iostat.8 Sun May 23 19:48:54 2010 (r208460)
@@ -241,7 +241,14 @@ If no repeat
is specified, the default is infinity.
The
.Nm
-command will accept and honor a non-integer number of seconds.
+command will accept and honor a non-integer number of seconds. Note that
+the interval only has millisecond granularity. Smaller values will be
+truncated.
+.Pp
+e.g. -w1.0001 becomes -w1.000
+.Pp
+The interval will also suffer from modifications to hz so your mileage
+may vary.
.It Fl x
Show extended disk statistics.
Each disk is displayed on a line of its own with all available statistics.
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