Commit-ID: ac3063bd4725689f39d7a23fdfca2e034c73dcac
Gitweb: http://git.kernel.org/tip/ac3063bd4725689f39d7a23fdfca2e034c73dcac
Author: David Ahern <dsahern@xxxxxxxxx>
AuthorDate: Mon, 30 Sep 2013 07:37:37 -0600
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Fri, 11 Oct 2013 12:17:44 -0300
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@xxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung.kim@xxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/52497F3C.9070908@xxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/builtin-stat.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index c8a2662..2178e66 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -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) {
--
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