On Tue, Dec 22, 2015 at 04:43:31PM +0100, Jiri Olsa wrote:
> Implement struct scripting_ops::(process_stat|process_stat_interval)
> handlers - calling scripting handlers from stat events handlers.
> 
> Tested-by: Kan Liang <kan.li...@intel.com>
> Link: http://lkml.kernel.org/n/tip-3iu6vmvuur1bntbnh43v3...@git.kernel.org
> Signed-off-by: Jiri Olsa <jo...@kernel.org>
> ---
>  tools/perf/builtin-script.c | 33 +++++++++++++++++++++++++++++++++
>  1 file changed, 33 insertions(+)
> 
> diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
> index a90bc0b81e70..656541eff151 100644
> --- a/tools/perf/builtin-script.c
> +++ b/tools/perf/builtin-script.c
> @@ -221,6 +221,9 @@ static int perf_evsel__check_attr(struct perf_evsel 
> *evsel,
>       struct perf_event_attr *attr = &evsel->attr;
>       bool allow_user_set;
>  
> +     if (perf_header__has_feat(&session->header, HEADER_STAT))
> +             return 0;
> +
>       allow_user_set = perf_header__has_feat(&session->header,
>                                              HEADER_AUXTRACE);
>  
> @@ -674,6 +677,18 @@ static void process_event(struct perf_script *script 
> __maybe_unused, union perf_
>  
>  static struct scripting_ops  *scripting_ops;
>  
> +static void process_stat(struct perf_evsel *counter, u64 time)
> +{
> +     if (scripting_ops)
> +             scripting_ops->process_stat(&stat_config, counter, time);

Shouldn't it be

        if (scripting_ops && scripting_ops->process_stat)

?  It seems you only set it for python in patch 7..


> +}
> +
> +static void process_stat_interval(u64 time)
> +{
> +     if (scripting_ops)
> +             scripting_ops->process_stat_interval(time);

Ditto.

Thanks,
Namhyung


> +}
> +
>  static void setup_scripting(void)
>  {
>       setup_perl_scripting();
> @@ -1690,6 +1705,22 @@ static void script__setup_sample_type(struct 
> perf_script *script)
>       }
>  }
>  
> +static int process_stat_round_event(struct perf_tool *tool __maybe_unused,
> +                                 union perf_event *event,
> +                                 struct perf_session *session)
> +{
> +     struct stat_round_event *round = &event->stat_round;
> +     struct perf_evsel *counter;
> +
> +     evlist__for_each(session->evlist, counter) {
> +             perf_stat_process_counter(&stat_config, counter);
> +             process_stat(counter, round->time);
> +     }
> +
> +     process_stat_interval(round->time);
> +     return 0;
> +}
> +
>  static int process_stat_config_event(struct perf_tool *tool __maybe_unused,
>                                    union perf_event *event,
>                                    struct perf_session *session 
> __maybe_unused)
> @@ -1783,6 +1814,8 @@ int cmd_script(int argc, const char **argv, const char 
> *prefix __maybe_unused)
>                       .auxtrace_info   = perf_event__process_auxtrace_info,
>                       .auxtrace        = perf_event__process_auxtrace,
>                       .auxtrace_error  = perf_event__process_auxtrace_error,
> +                     .stat            = perf_event__process_stat_event,
> +                     .stat_round      = process_stat_round_event,
>                       .stat_config     = process_stat_config_event,
>                       .thread_map      = process_thread_map_event,
>                       .cpu_map         = process_cpu_map_event,
> -- 
> 2.4.3
> 
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