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    Subject[PATCH 54/57] perf script: Add stat default handlers
    Date
    Implement struct scripting_ops::(process_stat|process_stat_interval)
    handlers - calling scripting handlers from stat events handlers.

    Link: http://lkml.kernel.org/n/tip-3iu6vmvuur1bntbnh43v3bib@git.kernel.org
    Signed-off-by: Jiri Olsa <jolsa@kernel.org>
    ---
    tools/perf/builtin-script.c | 31 +++++++++++++++++++++++++++++++
    1 file changed, 31 insertions(+)

    diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
    index 9ccb82deba21..c8750815c6d3 100644
    --- a/tools/perf/builtin-script.c
    +++ b/tools/perf/builtin-script.c
    @@ -205,6 +205,9 @@ 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);

    @@ -568,6 +571,14 @@ static void process_event(union perf_event *event, struct perf_sample *sample,
    printf("\n");
    }

    +static void process_stat(struct perf_stat_config *config __maybe_unused,
    + struct perf_evsel *evsel __maybe_unused,
    + u64 time __maybe_unused)
    +{
    +}
    +
    +static void process_stat_interval(u64 time __maybe_unused) { }
    +
    static int default_start_script(const char *script __maybe_unused,
    int argc __maybe_unused,
    const char **argv __maybe_unused)
    @@ -596,6 +607,8 @@ static struct scripting_ops default_scripting_ops = {
    .flush_script = default_flush_script,
    .stop_script = default_stop_script,
    .process_event = process_event,
    + .process_stat = process_stat,
    + .process_stat_interval = process_stat_interval,
    .generate_script = default_generate_script,
    };

    @@ -1623,6 +1636,22 @@ 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);
    + scripting_ops->process_stat(&stat_config, counter, round->time);
    + }
    +
    + scripting_ops->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)
    @@ -1716,6 +1745,8 @@ 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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