Commit-ID: 8c207692fc8fa3ea1a5ff97ad698efb09a81975a
Gitweb: http://git.kernel.org/tip/8c207692fc8fa3ea1a5ff97ad698efb09a81975a
Author: Shawn Bohrer <shawn.bohrer@xxxxxxxxx>
AuthorDate: Tue, 30 Nov 2010 19:57:19 -0600
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Wed, 1 Dec 2010 18:22:49 -0200
perf stat: Document missing options
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
LKML-Reference: <1291168642-11402-12-git-send-email-shawn.bohrer@xxxxxxxxx>
Signed-off-by: Shawn Bohrer <shawn.bohrer@xxxxxxxxx>
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/Documentation/perf-stat.txt | 34 +++++++++++++++++++++++++------
1 files changed, 27 insertions(+), 7 deletions(-)
diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt
index c405bca..c469ba5 100644
--- a/tools/perf/Documentation/perf-stat.txt
+++ b/tools/perf/Documentation/perf-stat.txt
@@ -8,8 +8,8 @@ perf-stat - Run a command and gather performance counter statistics
SYNOPSIS
--------
[verse]
-'perf stat' [-e <EVENT> | --event=EVENT] [-S] [-a] <command>
-'perf stat' [-e <EVENT> | --event=EVENT] [-S] [-a] -- <command> [<options>]
+'perf stat' [-e <EVENT> | --event=EVENT] [-a] <command>
+'perf stat' [-e <EVENT> | --event=EVENT] [-a] -- <command> [<options>]
DESCRIPTION
-----------
@@ -35,21 +35,33 @@ OPTIONS
child tasks do not inherit counters
-p::
--pid=<pid>::
- stat events on existing pid
+ stat events on existing process id
+
+-t::
+--tid=<tid>::
+ stat events on existing thread id
+
-a::
- system-wide collection
+--all-cpus::
+ system-wide collection from all CPUs
-c::
- scale counter values
+--scale::
+ scale/normalize counter values
+
+-r::
+--repeat=<n>::
+ repeat command and print average + stddev (max: 100)
-B::
+--big-num::
print large numbers with thousands' separators according to locale
-C::
--cpu=::
-Count only on the list of cpus provided. Multiple CPUs can be provided as a
-comma-sperated list with no space: 0,1. Ranges of CPUs are specified with -: 0-2.
+Count only on the list of CPUs provided. Multiple CPUs can be provided as a
+comma-separated list with no space: 0,1. Ranges of CPUs are specified with -: 0-2.
In per-thread mode, this option is ignored. The -a option is still necessary
to activate system-wide monitoring. Default is to count on all CPUs.
@@ -58,6 +70,14 @@ to activate system-wide monitoring. Default is to count on all CPUs.
Do not aggregate counts across all monitored CPUs in system-wide mode (-a).
This option is only valid in system-wide mode.
+-n::
+--null::
+ null run - don't start any counters
+
+-v::
+--verbose::
+ be more verbose (show counter open errors, etc)
+
EXAMPLES
--------
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