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| author | Stanislav Fomichev <stfomichev@yandex-team.ru> | 2013-11-01 20:25:46 +0400 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-11-27 14:58:36 -0300 |
| commit | 54874e3236b834064943c02a647823ab5d97be57 (patch) | |
| tree | ad6e6c362e9cccde125f29a6648f030929ec37f4 | |
| parent | 0a8eb275cbdb8462854d5f7e1168d86cee4cc9ea (diff) | |
| download | talos-obmc-linux-54874e3236b834064943c02a647823ab5d97be57.tar.gz talos-obmc-linux-54874e3236b834064943c02a647823ab5d97be57.zip | |
perf timechart: Add option to limit number of tasks
Add -n option to specify min. number of tasks to print.
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/1383323151-19810-3-git-send-email-stfomichev@yandex-team.ru
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| -rw-r--r-- | tools/perf/Documentation/perf-timechart.txt | 4 | ||||
| -rw-r--r-- | tools/perf/builtin-timechart.c | 5 |
2 files changed, 8 insertions, 1 deletions
diff --git a/tools/perf/Documentation/perf-timechart.txt b/tools/perf/Documentation/perf-timechart.txt index 3ff8bd4f0b4d..4373144a43b4 100644 --- a/tools/perf/Documentation/perf-timechart.txt +++ b/tools/perf/Documentation/perf-timechart.txt @@ -54,6 +54,10 @@ $ perf timechart Written 10.2 seconds of trace to output.svg. +-n:: +--proc-num:: + Print task info for at least given number of tasks. + SEE ALSO -------- linkperf:perf-record[1] diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c index bb21e57ff9bb..c352be418f98 100644 --- a/tools/perf/builtin-timechart.c +++ b/tools/perf/builtin-timechart.c @@ -41,6 +41,7 @@ #define SUPPORT_OLD_POWER_EVENTS 1 #define PWR_EVENT_EXIT -1 +static int proc_num = 15; static unsigned int numcpus; static u64 min_freq; /* Lowest CPU frequency seen */ @@ -955,7 +956,7 @@ static void write_svg_file(const char *filename) do { count = determine_display_tasks(thresh); thresh /= 10; - } while (!process_filter && thresh && count < 15); + } while (!process_filter && thresh && count < proc_num); open_svg(filename, numcpus, count, first_time, last_time); @@ -1102,6 +1103,8 @@ int cmd_timechart(int argc, const char **argv, parse_process), OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", "Look for files with symbols relative to this directory"), + OPT_INTEGER('n', "proc-num", &proc_num, + "min. number of tasks to print"), OPT_END() }; const char * const timechart_usage[] = { |
