From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932459AbbJPKnE (ORCPT ); Fri, 16 Oct 2015 06:43:04 -0400 Received: from mx1.redhat.com ([209.132.183.28]:38295 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932384AbbJPKm6 (ORCPT ); Fri, 16 Oct 2015 06:42:58 -0400 From: Jiri Olsa To: Arnaldo Carvalho de Melo Cc: lkml , David Ahern , Ingo Molnar , Namhyung Kim , Peter Zijlstra , "Liang, Kan" Subject: [PATCH 32/57] perf stat record: Synthesize stat record data Date: Fri, 16 Oct 2015 12:41:07 +0200 Message-Id: <1444992092-17897-33-git-send-email-jolsa@kernel.org> In-Reply-To: <1444992092-17897-1-git-send-email-jolsa@kernel.org> References: <1444992092-17897-1-git-send-email-jolsa@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Synthesizing needed stat record data for report/script: - cpu/thread maps - stat config Link: http://lkml.kernel.org/n/tip-wni1s2i2sq17g4vomjyda2yf@git.kernel.org Signed-off-by: Jiri Olsa --- tools/perf/builtin-stat.c | 47 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index d5645109766b..dd986b14b985 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -191,6 +191,20 @@ static inline int nsec_counter(struct perf_evsel *evsel) return 0; } +static int process_synthesized_event(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_sample *sample __maybe_unused, + struct machine *machine __maybe_unused) +{ + if (perf_data_file__write(&perf_stat.file, event, event->header.size) < 0) { + pr_err("failed to write perf data, error: %m\n"); + return -1; + } + + perf_stat.bytes_written += event->header.size; + return 0; +} + /* * Read out the results of a single counter: * do not aggregate counts across CPUs in system-wide mode @@ -277,6 +291,35 @@ static void workload_exec_failed_signal(int signo __maybe_unused, siginfo_t *inf workload_exec_errno = info->si_value.sival_int; } +static int perf_stat_synthesize_config(void) +{ + int err; + + err = perf_event__synthesize_thread_map2(NULL, evsel_list->threads, + process_synthesized_event, + NULL); + if (err < 0) { + pr_err("Couldn't synthesize thread map.\n"); + return err; + } + + err = perf_event__synthesize_cpu_map(NULL, evsel_list->cpus, + process_synthesized_event, NULL); + if (err < 0) { + pr_err("Couldn't synthesize thread map.\n"); + return err; + } + + err = perf_event__synthesize_stat_config(NULL, &stat_config, + process_synthesized_event, NULL); + if (err < 0) { + pr_err("Couldn't synthesize config.\n"); + return err; + } + + return 0; +} + static int __run_perf_stat(int argc, const char **argv) { int interval = stat_config.interval; @@ -357,6 +400,10 @@ static int __run_perf_stat(int argc, const char **argv) fd, false); if (err < 0) return err; + + err = perf_stat_synthesize_config(); + if (err < 0) + return err; } /* -- 2.4.3