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    Subject[PATCH 5/8] perf script: Add stat default handlers
    Date
    Implement struct scripting_ops::(process_stat|process_stat_interval)
    handlers - calling scripting handlers from stat events handlers.

    Tested-by: Kan Liang <kan.liang@intel.com>
    Link: http://lkml.kernel.org/n/tip-3iu6vmvuur1bntbnh43v3bib@git.kernel.org
    Signed-off-by: Jiri Olsa <jolsa@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..521e3e0e7625 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)
    + scripting_ops->process_stat(&stat_config, counter, time);
    +}
    +
    +static void process_stat_interval(u64 time)
    +{
    + if (scripting_ops && scripting_ops->process_stat_interval)
    + scripting_ops->process_stat_interval(time);
    +}
    +
    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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