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Date:      Fri, 5 Sep 2014 17:22:21 +0000 (UTC)
From:      John Baldwin <jhb@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org
Subject:   svn commit: r271176 - in stable: 10/usr.bin/ktrace 8/usr.bin/ktrace 9/usr.bin/ktrace
Message-ID:  <201409051722.s85HMLp6028666@svn.freebsd.org>

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Author: jhb
Date: Fri Sep  5 17:22:20 2014
New Revision: 271176
URL: http://svnweb.freebsd.org/changeset/base/271176

Log:
  MFC 270674:
  Clarify that the -c argument clears the list of tracepoints specified by
  -t (it does not clear all tracepoints).
  
  Approved by:	re (gjb for 10)

Modified:
  stable/9/usr.bin/ktrace/ktrace.1
Directory Properties:
  stable/9/usr.bin/ktrace/   (props changed)

Changes in other areas also in this revision:
Modified:
  stable/10/usr.bin/ktrace/ktrace.1
  stable/8/usr.bin/ktrace/ktrace.1
Directory Properties:
  stable/10/   (props changed)
  stable/8/usr.bin/ktrace/   (props changed)

Modified: stable/9/usr.bin/ktrace/ktrace.1
==============================================================================
--- stable/9/usr.bin/ktrace/ktrace.1	Fri Sep  5 17:05:51 2014	(r271175)
+++ stable/9/usr.bin/ktrace/ktrace.1	Fri Sep  5 17:22:20 2014	(r271176)
@@ -28,7 +28,7 @@
 .\"	@(#)ktrace.1	8.1 (Berkeley) 6/6/93
 .\" $FreeBSD$
 .\"
-.Dd May 31, 2012
+.Dd August 26, 2014
 .Dt KTRACE 1
 .Os
 .Sh NAME
@@ -81,7 +81,7 @@ Append to the trace file instead of recr
 Disable tracing on all user-owned processes, and, if executed by root, all
 processes in the system.
 .It Fl c
-Clear the trace points associated with the specified file or processes.
+Clear the specified trace points associated with the given file or processes.
 .It Fl d
 Descendants; perform the operation for all current children of the
 designated processes.
@@ -102,8 +102,10 @@ Enable (disable) tracing on the indicate
 .Fl p
 flag is permitted).
 .It Fl t Ar trstr
-The string argument represents the kernel trace points, one per letter.
-The following table equates the letters with the tracepoints:
+Specify the list of trace points to enable or disable, one per letter.
+If an explicit list is not specified, the default set of trace points is used.
+.Pp
+The following trace points are supported:
 .Pp
 .Bl -tag -width flag -compact
 .It Cm c



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