From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757319AbbCNHF7 (ORCPT ); Sat, 14 Mar 2015 03:05:59 -0400 Received: from terminus.zytor.com ([198.137.202.10]:40294 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752815AbbCNHFy (ORCPT ); Sat, 14 Mar 2015 03:05:54 -0400 Date: Sat, 14 Mar 2015 00:05:42 -0700 From: tip-bot for Andi Kleen Message-ID: Cc: jolsa@redhat.com, mingo@kernel.org, hpa@zytor.com, acme@redhat.com, namhyung@kernel.org, ak@linux.intel.com, tglx@linutronix.de, linux-kernel@vger.kernel.org Reply-To: tglx@linutronix.de, linux-kernel@vger.kernel.org, acme@redhat.com, hpa@zytor.com, mingo@kernel.org, jolsa@redhat.com, namhyung@kernel.org, ak@linux.intel.com In-Reply-To: <1426083387-17006-1-git-send-email-andi@firstfloor.org> References: <1426083387-17006-1-git-send-email-andi@firstfloor.org> To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] perf stat: Output running time and run/ enabled ratio in CSV mode Git-Commit-ID: d73515c03c6a2706e088094ff6095a3abefd398b X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: d73515c03c6a2706e088094ff6095a3abefd398b Gitweb: http://git.kernel.org/tip/d73515c03c6a2706e088094ff6095a3abefd398b Author: Andi Kleen AuthorDate: Wed, 11 Mar 2015 07:16:27 -0700 Committer: Arnaldo Carvalho de Melo CommitDate: Fri, 13 Mar 2015 07:46:04 -0300 perf stat: Output running time and run/enabled ratio in CSV mode The information how much a counter ran in 'perf stat' can be quite interesting for other tools to judge how trustworthy a measurement is. Currently it is only output in non CSV mode. This patches make perf stat always output the running time and the enabled/running ratio in CSV mode. This adds two new fields at the end for each line. I assume that existing tools ignore new fields at the end, so it's on by default. Only CSV mode is affected, no difference otherwise. v2: Add extra print_running function v3: Avoid printing nan v4: Remove some elses and add brackets. v5: Move non CSV case into print_running Signed-off-by: Andi Kleen Reviewed-by: Jiri Olsa Acked-by: Namhyung Kim Cc: Jiri Olsa Link: http://lkml.kernel.org/r/1426083387-17006-1-git-send-email-andi@firstfloor.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-stat.c | 48 ++++++++++++++++++++++++----------------------- 1 file changed, 25 insertions(+), 23 deletions(-) diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index d28949d..d58e50c 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -769,6 +769,19 @@ static int run_perf_stat(int argc, const char **argv) return ret; } +static void print_running(u64 run, u64 ena) +{ + if (csv_output) { + fprintf(output, "%s%" PRIu64 "%s%.2f", + csv_sep, + run, + csv_sep, + ena ? 100.0 * run / ena : 100.0); + } else if (run != ena) { + fprintf(output, " (%.2f%%)", 100.0 * run / ena); + } +} + static void print_noise_pct(double total, double avg) { double pct = rel_stddev_stats(total, avg); @@ -1252,6 +1265,7 @@ static void print_aggr(char *prefix) fprintf(output, "%s%s", csv_sep, counter->cgrp->name); + print_running(run, ena); fputc('\n', output); continue; } @@ -1262,13 +1276,10 @@ static void print_aggr(char *prefix) else abs_printout(id, nr, counter, uval); - if (!csv_output) { + if (!csv_output) print_noise(counter, 1.0); - if (run != ena) - fprintf(output, " (%.2f%%)", - 100.0 * run / ena); - } + print_running(run, ena); fputc('\n', output); } } @@ -1284,6 +1295,10 @@ static void print_counter_aggr(struct perf_evsel *counter, char *prefix) double avg = avg_stats(&ps->res_stats[0]); int scaled = counter->counts->scaled; double uval; + double avg_enabled, avg_running; + + avg_enabled = avg_stats(&ps->res_stats[1]); + avg_running = avg_stats(&ps->res_stats[2]); if (prefix) fprintf(output, "%s", prefix); @@ -1303,6 +1318,7 @@ static void print_counter_aggr(struct perf_evsel *counter, char *prefix) if (counter->cgrp) fprintf(output, "%s%s", csv_sep, counter->cgrp->name); + print_running(avg_running, avg_enabled); fputc('\n', output); return; } @@ -1316,19 +1332,7 @@ static void print_counter_aggr(struct perf_evsel *counter, char *prefix) print_noise(counter, avg); - if (csv_output) { - fputc('\n', output); - return; - } - - if (scaled) { - double avg_enabled, avg_running; - - avg_enabled = avg_stats(&ps->res_stats[1]); - avg_running = avg_stats(&ps->res_stats[2]); - - fprintf(output, " [%5.2f%%]", 100 * avg_running / avg_enabled); - } + print_running(avg_running, avg_enabled); fprintf(output, "\n"); } @@ -1370,6 +1374,7 @@ static void print_counter(struct perf_evsel *counter, char *prefix) fprintf(output, "%s%s", csv_sep, counter->cgrp->name); + print_running(run, ena); fputc('\n', output); continue; } @@ -1381,13 +1386,10 @@ static void print_counter(struct perf_evsel *counter, char *prefix) else abs_printout(cpu, 0, counter, uval); - if (!csv_output) { + if (!csv_output) print_noise(counter, 1.0); + print_running(run, ena); - if (run != ena) - fprintf(output, " (%.2f%%)", - 100.0 * run / ena); - } fputc('\n', output); } }