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authorStanislav Fomichev <stfomichev@yandex-team.ru>2013-11-01 20:25:50 +0400
committerArnaldo Carvalho de Melo <acme@redhat.com>2013-11-27 14:58:37 -0300
commit367b3152d72c20d789b07650bd1189ce0fe266b8 (patch)
treee69351bd6811226798776c5a3a6ab80a030cb2b5 /tools/perf/Documentation/perf-timechart.txt
parentcbb2e81e5232b1bca5cd2aa1d7a7eb1cd30f8304 (diff)
downloadlinux-367b3152d72c20d789b07650bd1189ce0fe266b8.tar.gz
perf timechart: Add support for -P and -T in timechart recording
If we don't want either power or task events we may use -T or -P with the `perf timechart record` command to filter out events while recording to keep perf.data small. Signed-off-by: Stanislav Fomichev <stfomichev@yandex-team.ru> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1383323151-19810-7-git-send-email-stfomichev@yandex-team.ru Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Documentation/perf-timechart.txt')
-rw-r--r--tools/perf/Documentation/perf-timechart.txt16
1 files changed, 12 insertions, 4 deletions
diff --git a/tools/perf/Documentation/perf-timechart.txt b/tools/perf/Documentation/perf-timechart.txt
index d8441894d9ec..8359cfadf0ac 100644
--- a/tools/perf/Documentation/perf-timechart.txt
+++ b/tools/perf/Documentation/perf-timechart.txt
@@ -8,8 +8,7 @@ perf-timechart - Tool to visualize total system behavior during a workload
SYNOPSIS
--------
[verse]
-'perf timechart' record <command>
-'perf timechart' [<options>]
+'perf timechart' [<timechart options>] {record} [<record options>]
DESCRIPTION
-----------
@@ -21,8 +20,8 @@ There are two variants of perf timechart:
'perf timechart' to turn a trace into a Scalable Vector Graphics file,
that can be viewed with popular SVG viewers such as 'Inkscape'.
-OPTIONS
--------
+TIMECHART OPTIONS
+-----------------
-o::
--output=::
Select the output file (default: output.svg)
@@ -61,6 +60,15 @@ $ perf timechart
--proc-num::
Print task info for at least given number of tasks.
+RECORD OPTIONS
+--------------
+-P::
+--power-only::
+ Record only power-related events
+-T::
+--tasks-only::
+ Record only tasks-related events
+
SEE ALSO
--------
linkperf:perf-record[1]