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Subject: svn commit: r215786 - head/usr.sbin/iostat
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Author: yar
Date: Wed Nov 24 00:05:19 2010
New Revision: 215786
URL: http://svn.freebsd.org/changeset/base/215786

Log:
  Clarify a few details about iostat(8) behavior:
  
  - The default repeat count for iostat(8) is 1 unless there
    was a -w on the command line.
  
  - A -x display doesn't include TTY or CPU stats by default
    but they can be turned on with a -T or -C, respectively.
  
  Submitted by:	arundel (initial version)
  Reviewed by:	arundel
  MFC after:	1 week

Modified:
  head/usr.sbin/iostat/iostat.8

Modified: head/usr.sbin/iostat/iostat.8
==============================================================================
--- head/usr.sbin/iostat/iostat.8	Wed Nov 24 00:00:32 2010	(r215785)
+++ head/usr.sbin/iostat/iostat.8	Wed Nov 24 00:05:19 2010	(r215786)
@@ -60,7 +60,7 @@
 .\"
 .\"	@(#)iostat.8	8.1 (Berkeley) 6/6/93
 .\"
-.Dd April 17, 2006
+.Dd November 24, 2010
 .Dt IOSTAT 8
 .Os
 .Sh NAME
@@ -102,11 +102,18 @@ Repeat the display
 times.
 If no repeat
 .Ar count
-is specified, the default is infinity.
+is specified, the default depends on whether
+.Fl w
+is specified.
+With
+.Fl w
+the default repeat count is infinity, otherwise it is 1.
 .It Fl C
 Display CPU statistics.
 This is on by default, unless
 .Fl d
+or
+.Fl x
 is specified.
 .It Fl d
 Display only device statistics.
@@ -231,6 +238,8 @@ output, up to the number of devices that
 Display TTY statistics.
 This is on by default, unless
 .Fl d
+or
+.Fl x
 is specified.
 .It Fl w
 Pause
@@ -255,6 +264,11 @@ 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.
+If this flag is turned on, only disk statistics will be displayed, unless
+.Fl C
+or
+.Fl T
+is also specified to enable the display of CPU or TTY statistics.
 .It Fl z
 If
 .Fl x