Commit ac3063bd authored Sep 30, 2013 by David Ahern Committed by Arnaldo Carvalho de Melo Oct 11, 2013

perf stat: Don't require a workload when using system wide or CPU options

The "perf stat" command can do system wide counters or one or more cpus.
For these options do not require a workload to be specified.

v2: use perf_target__none per Namhyung's comment.

Signed-off-by: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/52497F3C.9070908@gmail.com

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

parent 62d3b617

tools/perf/builtin-stat.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -1659,8 +1659,9 @@ 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__none(&target))
		usage_with_options(stat_usage, options);

		if (run_count < 0) {
		usage_with_options(stat_usage, options);
		} else if (run_count == 0) {