summaryrefslogtreecommitdiff
path: root/tools/perf/builtin-timechart.c
diff options
context:
space:
mode:
authorStanislav Fomichev <stfomichev@yandex-team.ru>2013-11-01 20:25:46 +0400
committerArnaldo Carvalho de Melo <acme@redhat.com>2013-11-27 21:58:36 +0400
commit54874e3236b834064943c02a647823ab5d97be57 (patch)
treead6e6c362e9cccde125f29a6648f030929ec37f4 /tools/perf/builtin-timechart.c
parent0a8eb275cbdb8462854d5f7e1168d86cee4cc9ea (diff)
downloadlinux-54874e3236b834064943c02a647823ab5d97be57.tar.xz
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>
Diffstat (limited to 'tools/perf/builtin-timechart.c')
-rw-r--r--tools/perf/builtin-timechart.c5
1 files changed, 4 insertions, 1 deletions
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[] = {