Hi David,
On Sat, 28 Sep 2013 14:27:59 -0600, David Ahern wrote:
> perf-stat can do system wide counters or one or more cpus. For
> these options do not require a workload to be specified.
>
> Signed-off-by: David Ahern <dsah...@gmail.com>
> Cc: Ingo Molnar <mi...@kernel.org>
> Cc: Frederic Weisbecker <fweis...@gmail.com>
> Cc: Peter Zijlstra <a.p.zijls...@chello.nl>
> Cc: Jiri Olsa <jo...@redhat.com>
> Cc: Namhyung Kim <namhyung....@lge.com>
> Cc: Stephane Eranian <eran...@google.com>
> ---
> tools/perf/builtin-stat.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
> index 6cc0aa2..60239fe 100644
> --- a/tools/perf/builtin-stat.c
> +++ b/tools/perf/builtin-stat.c
> @@ -1517,8 +1517,10 @@ int cmd_stat(int argc, const char **argv, const char
> *prefix __maybe_unused)
> } else if (big_num_opt == 0) /* User passed --no-big-num */
> big_num = false;
>
> - if (!argc && !perf_target__has_task(&target))
> + if (!argc && !perf_target__has_task(&target) &&
> + !perf_target__has_cpu(&target))
You can use perf_target__none() for this.
Btw I found a bug in setting child_pid (which introduced by me ;) during
this review. Will send a fix.
Thanks,
Namhyung
> usage_with_options(stat_usage, options);
> +
> if (run_count < 0) {
> usage_with_options(stat_usage, options);
> } else if (run_count == 0) {
--
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/
