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    Subject[PATCH 15/25] perf stat report: Process stat and stat round events
    Date
    Adding processing of stat and stat round events.

    The stat data com in stat events, using generic
    function process_stat_round_event to store data
    under perf_evsel object.

    The stat-round events comes each interval or as
    last event in non interval mode. The function
    process_stat_round_event process stored data
    for each perf_evsel object and print it out.

    Tested-by: Kan Liang <kan.liang@intel.com>
    Link: http://lkml.kernel.org/n/tip-qc3ihpf6j8hlfdts64uj4nmc@git.kernel.org
    Signed-off-by: Jiri Olsa <jolsa@kernel.org>
    ---
    tools/perf/builtin-stat.c | 28 ++++++++++++++++++++++++++++
    1 file changed, 28 insertions(+)

    diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
    index cf9ea08c66df..511787d97d6c 100644
    --- a/tools/perf/builtin-stat.c
    +++ b/tools/perf/builtin-stat.c
    @@ -1599,6 +1599,32 @@ static int __cmd_record(int argc, const char **argv)
    return argc;
    }

    +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;
    + struct timespec tsh, *ts = NULL;
    + const char **argv = session->header.env.cmdline_argv;
    + int argc = session->header.env.nr_cmdline;
    +
    + evlist__for_each(evsel_list, counter)
    + perf_stat_process_counter(&stat_config, counter);
    +
    + if (round->type == PERF_STAT_ROUND_TYPE__FINAL)
    + update_stats(&walltime_nsecs_stats, round->time);
    +
    + if (stat_config.interval && round->time) {
    + tsh.tv_sec = round->time / NSECS_PER_SEC;
    + tsh.tv_nsec = round->time % NSECS_PER_SEC;
    + ts = &tsh;
    + }
    +
    + print_counters(ts, argc, argv);
    + return 0;
    +}
    +
    static
    int process_stat_config_event(struct perf_tool *tool __maybe_unused,
    union perf_event *event,
    @@ -1684,6 +1710,8 @@ static struct perf_stat perf_stat = {
    .thread_map = process_thread_map_event,
    .cpu_map = process_cpu_map_event,
    .stat_config = process_stat_config_event,
    + .stat = perf_event__process_stat_event,
    + .stat_round = process_stat_round_event,
    },
    };

    --
    2.4.3


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