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Document the -a option that was added in r262424.

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Obtained from:	Netflix, Inc.
MFC after:	3 days
This commit is contained in:
Scott Long 2014-04-29 07:17:33 +00:00
parent 74679c6a99
commit f6f851a37b
1 changed files with 17 additions and 1 deletions
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18
usr.sbin/pmcstat/pmcstat.8
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@ -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 to help analyse the
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