Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1033078AbbKEOyW (ORCPT ); Thu, 5 Nov 2015 09:54:22 -0500 Received: from mx1.redhat.com ([209.132.183.28]:39284 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161954AbbKEOlc (ORCPT ); Thu, 5 Nov 2015 09:41:32 -0500 From: Jiri Olsa To: Arnaldo Carvalho de Melo Cc: lkml , David Ahern , Ingo Molnar , Namhyung Kim , Peter Zijlstra , "Liang, Kan" Subject: [PATCH 08/25] perf stat record: Write stat round events on record Date: Thu, 5 Nov 2015 15:40:52 +0100 Message-Id: <1446734469-11352-9-git-send-email-jolsa@kernel.org> In-Reply-To: <1446734469-11352-1-git-send-email-jolsa@kernel.org> References: <1446734469-11352-1-git-send-email-jolsa@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2122 Lines: 64 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. Tested-by: Kan Liang Link: http://lkml.kernel.org/n/tip-a43rs4c6szofeuo2gjlcpm0h@git.kernel.org Signed-off-by: Jiri Olsa --- tools/perf/builtin-stat.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 1567c5337941..16f6fe2f3435 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -210,6 +210,16 @@ 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 @@ -285,6 +295,11 @@ 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); } @@ -1622,6 +1637,11 @@ int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused) if (STAT_RECORD) { int fd = perf_data_file__fd(&perf_stat.file); + 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); -- 2.4.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/