Em Mon, Sep 30, 2013 at 07:40:12AM -0600, David Ahern escreveu:
> On 9/30/13 2:47 AM, Namhyung Kim wrote:
> >>@@ -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.
>
> Indeed. Updated patch attached.
Cool patch, applying to acme/perf/core.
While trying it noticed this, that should also be fixed
eventually:
[root@zoo ~]# perf stat -c C 0
C: No such file or directory
Performance counter stats for 'C 0':
<not counted> task-clock
<not counted> context-switches
<not counted> cpu-migrations
<SNIP>
- Arnaldo
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