svn commit: r265085 - head/usr.sbin/pmcstat

[Scott Long]

Author: scottl
Date: Tue Apr 29 07:17:33 2014
New Revision: 265085
URL: http://svnweb.freebsd.org/changeset/base/265085

Log:
  Document the -a option that was added in r262424.
  
  Obtained from:	Netflix, Inc.
  MFC after:	3 days

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

Modified: head/usr.sbin/pmcstat/pmcstat.8
==============================================================================
--- head/usr.sbin/pmcstat/pmcstat.8	Tue Apr 29 06:18:06 2014	(r265084)
+++ head/usr.sbin/pmcstat/pmcstat.8	Tue Apr 29 07:17:33 2014	(r265085)
@@ -25,7 +25,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd September 19, 2008
+.Dd April 29, 2014
 .Dt PMCSTAT 8
 .Os
 .Sh NAME
@@ -46,6 +46,7 @@
 .Op Fl S Ar event-spec
 .Op Fl T
 .Op Fl W
+.Op Fl a Ar pathname
 .Op Fl c Ar cpu-spec
 .Op Fl d
 .Op Fl f Ar pluginopt
@@ -221,6 +222,21 @@ This is an experimental feature intended
 dynamic behaviour of processes in the system.
 It may incur substantial overhead if enabled.
 The default is for this feature to be disabled.
+.It Fl a Ar pathname
+Perform a symbol and file:line lookup for each address in each
+callgraph and save the output to
+.Ar pathname .
+Unlike
+.Fl m
+that only resolves the first symbol in the graph, this resolves
+every node in the callgraph, or prints out addresses if no
+lookup information is available.
+This option requires the
+.Fl R
+option to read in samples that were previously collected and
+saved with the 
+.Fl o
+option.
 .It Fl c Ar cpu-spec
 Set the cpus for subsequent system mode PMCs specified on the
 command line to