From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754474AbeAQQj7 (ORCPT ); Wed, 17 Jan 2018 11:39:59 -0500 Received: from terminus.zytor.com ([65.50.211.136]:58979 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754093AbeAQQj2 (ORCPT ); Wed, 17 Jan 2018 11:39:28 -0500 Date: Wed, 17 Jan 2018 08:36:38 -0800 From: tip-bot for Jin Yao Message-ID: Cc: yao.jin@linux.intel.com, tglx@linutronix.de, ak@linux.intel.com, jolsa@redhat.com, peterz@infradead.org, acme@redhat.com, hpa@zytor.com, alexander.shishkin@linux.intel.com, mingo@kernel.org, linux-kernel@vger.kernel.org, kan.liang@intel.com Reply-To: acme@redhat.com, hpa@zytor.com, alexander.shishkin@linux.intel.com, mingo@kernel.org, linux-kernel@vger.kernel.org, kan.liang@intel.com, tglx@linutronix.de, yao.jin@linux.intel.com, ak@linux.intel.com, jolsa@redhat.com, peterz@infradead.org In-Reply-To: <1515596433-24653-6-git-send-email-yao.jin@linux.intel.com> References: <1515596433-24653-6-git-send-email-yao.jin@linux.intel.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] perf report: Add an indication of what time slices are used Git-Commit-ID: 7425664bbd3174814500c7ab8740cbb9bb25396c 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: 7425664bbd3174814500c7ab8740cbb9bb25396c Gitweb: https://git.kernel.org/tip/7425664bbd3174814500c7ab8740cbb9bb25396c Author: Jin Yao AuthorDate: Wed, 10 Jan 2018 23:00:30 +0800 Committer: Arnaldo Carvalho de Melo CommitDate: Wed, 17 Jan 2018 10:23:36 -0300 perf report: Add an indication of what time slices are used Add a time slices indication to the perf report header. For example, # perf report --stdio --time 10% # Total Lost Samples: 0 # # Samples: 9K of event 'cycles:ppp' (time slices: 10%) # Event count (approx.): 8951288803 Signed-off-by: Jin Yao Suggested--by: Arnaldo Carvalho de Melo Tested-by: Arnaldo Carvalho de Melo Reviewed-by: Jiri Olsa Cc: Alexander Shishkin Cc: Andi Kleen Cc: Kan Liang Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1515596433-24653-6-git-send-email-yao.jin@linux.intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-report.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 7d4f0a5..4aaaa37 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -404,6 +404,9 @@ static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report if (evname != NULL) ret += fprintf(fp, " of event '%s'", evname); + if (rep->time_str) + ret += fprintf(fp, " (time slices: %s)", rep->time_str); + if (symbol_conf.show_ref_callgraph && strstr(evname, "call-graph=no")) { ret += fprintf(fp, ", show reference callgraph");