diff options
| author | Namhyung Kim <namhyung@gmail.com> | 2011-12-13 00:16:50 +0900 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2011-12-20 13:28:13 -0200 |
| commit | 6581f6e35f7d0338f699fce660adb48e863f2b59 (patch) | |
| tree | 415d6b105e4f714f7d5c1cd6a297eadc45e95e8f /tools/perf/Documentation/perf-report.txt | |
| parent | f3bda2c9a689b38c059f7cb2d761ff58a2996370 (diff) | |
perf report: Document '--call-graph' for optional print_limit argument
The '--call-graph' command line option can receive undocumented optional
print_limit argument. Besides, use strtoul() to parse the option since
its type is u32.
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1323703017-6060-2-git-send-email-namhyung@gmail.com
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Documentation/perf-report.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-report.txt | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt index dc85392a5ac..35af0dc8ccb 100644 --- a/tools/perf/Documentation/perf-report.txt +++ b/tools/perf/Documentation/perf-report.txt @@ -80,9 +80,10 @@ OPTIONS --dump-raw-trace:: Dump raw trace in ASCII. --g [type,min,order]:: +-g [type,min[,limit],order]:: --call-graph:: - Display call chains using type, min percent threshold and order. + Display call chains using type, min percent threshold, optional print + limit and order. type can be either: - flat: single column, linear exposure of call chains. - graph: use a graph tree, displaying absolute overhead rates. |