>From a7018902283b3cfc5cae8a1876e2c14f3c7c9c7e Mon Sep 17 00:00:00 2001 From: David Ahern Date: Mon, 30 Sep 2013 07:37:37 -0600 Subject: [PATCH] perf stat: Don't require a workload when using system wide or CPU options -v2 perf-stat 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 Cc: Ingo Molnar Cc: Frederic Weisbecker Cc: Peter Zijlstra Cc: Jiri Olsa Cc: Namhyung Kim Cc: Stephane Eranian --- 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 6cc0aa2..db55b91 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -1517,8 +1517,9 @@ 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) { -- 1.7.10.1