Writing stat round events on 'perf stat record' for each interval round. In non interval mode we store round event after the last stat event.
Link: http://lkml.kernel.org/n/[email protected] Signed-off-by: Jiri Olsa <[email protected]> --- tools/perf/builtin-stat.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 49948be5680f..8ad497522a0e 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -204,6 +204,13 @@ static int process_synthesized_event(struct perf_tool *tool __maybe_unused, return 0; } +static int write_stat_round_event(u64 time) +{ + return perf_event__synthesize_stat_round(NULL, time, + process_synthesized_event, + NULL); +} + #define SID(e, x, y) xyarray__entry(e->sample_id, x, y) static int @@ -279,6 +286,11 @@ static void process_interval(void) clock_gettime(CLOCK_MONOTONIC, &ts); diff_timespec(&rs, &ts, &ref_time); + if (STAT_RECORD) { + if (write_stat_round_event(rs.tv_sec * NSECS_PER_SEC + rs.tv_nsec)) + pr_err("failed to write stat round event\n"); + } + print_counters(&rs, 0, NULL); } @@ -1568,6 +1580,11 @@ int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused) if (STAT_RECORD) { int fd = perf_data_file__fd(&stat_record.file); + if (!interval) { + if (write_stat_round_event(0)) + pr_err("failed to write stat round event\n"); + } + if (!stat_record.file.is_pipe) { stat_record.session->header.data_size += stat_record.bytes_written; perf_session__write_header(stat_record.session, evsel_list, fd, true); -- 2.4.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
