diff options
Diffstat (limited to 'tools/perf')
-rw-r--r-- | tools/perf/builtin-stat.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 32aa2ea..fcece42 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -231,6 +231,16 @@ static int process_synthesized_event(struct perf_tool *tool __maybe_unused, return 0; } +static int write_stat_round_event(u64 time, u64 type) +{ + return perf_event__synthesize_stat_round(NULL, time, type, + process_synthesized_event, + NULL); +} + +#define WRITE_STAT_ROUND_EVENT(time, interval) \ + write_stat_round_event(time, PERF_STAT_ROUND_TYPE__ ## interval) + #define SID(e, x, y) xyarray__entry(e->sample_id, x, y) static int @@ -306,6 +316,11 @@ 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, INTERVAL)) + pr_err("failed to write stat round event\n"); + } + print_counters(&rs, 0, NULL); } @@ -1670,6 +1685,11 @@ int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused) "older tools may produce warnings about this file\n."); } + if (!interval) { + if (WRITE_STAT_ROUND_EVENT(walltime_nsecs_stats.max, FINAL)) + pr_err("failed to write stat round event\n"); + } + if (!perf_stat.file.is_pipe) { perf_stat.session->header.data_size += perf_stat.bytes_written; perf_session__write_header(perf_stat.session, evsel_list, fd, true); |