Commit-ID: 54874e3236b834064943c02a647823ab5d97be57 Gitweb: http://git.kernel.org/tip/54874e3236b834064943c02a647823ab5d97be57 Author: Stanislav Fomichev <stfomic...@yandex-team.ru> AuthorDate: Fri, 1 Nov 2013 20:25:46 +0400 Committer: Arnaldo Carvalho de Melo <a...@redhat.com> CommitDate: Wed, 27 Nov 2013 14:58:36 -0300
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 <stfomic...@yandex-team.ru> Acked-by: Namhyung Kim <namhy...@kernel.org> Cc: Ingo Molnar <mi...@redhat.com> Cc: Namhyung Kim <namhy...@kernel.org> Cc: Paul Mackerras <pau...@samba.org> Cc: Peter Zijlstra <a.p.zijls...@chello.nl> Link: http://lkml.kernel.org/r/1383323151-19810-3-git-send-email-stfomic...@yandex-team.ru Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- tools/perf/Documentation/perf-timechart.txt | 4 ++++ tools/perf/builtin-timechart.c | 5 ++++- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/tools/perf/Documentation/perf-timechart.txt b/tools/perf/Documentation/perf-timechart.txt index 3ff8bd4..4373144 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 bb21e57..c352be4 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[] = { -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
