From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 92774C47256 for ; Sat, 2 May 2020 02:09:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7581A208C3 for ; Sat, 2 May 2020 02:09:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726752AbgEBCJE (ORCPT ); Fri, 1 May 2020 22:09:04 -0400 Received: from mga12.intel.com ([192.55.52.136]:30459 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726439AbgEBCJD (ORCPT ); Fri, 1 May 2020 22:09:03 -0400 IronPort-SDR: SQjDdxC+NdguVE7POl+jqGSbxj8r29pNDvLBiFE/bw4kOkQfN75/rVZxJCfDezFx82xZ19et33 E05KAiNkXZaw== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 May 2020 19:09:03 -0700 IronPort-SDR: m9F+HImyFtQViKo59Bw5bZKswYhiV7lG/khJaR9cFAhHHDWH+C7Tz0pkmbAaFImQytwU70IM7I zoquMbnGwMgg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,342,1583222400"; d="scan'208";a="283348203" Received: from kbl-ppc.sh.intel.com ([10.239.159.118]) by fmsmga004.fm.intel.com with ESMTP; 01 May 2020 19:09:00 -0700 From: Jin Yao To: acme@kernel.org, jolsa@kernel.org, peterz@infradead.org, mingo@redhat.com, alexander.shishkin@linux.intel.com Cc: Linux-kernel@vger.kernel.org, ak@linux.intel.com, kan.liang@intel.com, yao.jin@intel.com, Jin Yao Subject: [PATCH v2 0/2] perf stat: Support overall statistics for interval mode Date: Sat, 2 May 2020 10:07:03 +0800 Message-Id: <20200502020705.19295-1-yao.jin@linux.intel.com> X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Currently perf-stat supports to print counts at regular interval (-I), but it's not very easy for user to get the overall statistics. With this patchset, it supports to report the summary at the end of interval output. For example, root@kbl-ppc:~# perf stat -e cycles -I1000 --interval-count 2 # time counts unit events 1.000412064 2,281,114 cycles 2.001383658 2,547,880 cycles Performance counter stats for 'system wide': 4,828,994 cycles 2.002860349 seconds time elapsed root@kbl-ppc:~# perf stat -e cycles,instructions -I1000 --interval-count 2 # time counts unit events 1.000389902 1,536,093 cycles 1.000389902 420,226 instructions # 0.27 insn per cycle 2.001433453 2,213,952 cycles 2.001433453 735,465 instructions # 0.33 insn per cycle Performance counter stats for 'system wide': 3,750,045 cycles 1,155,691 instructions # 0.31 insn per cycle 2.003023361 seconds time elapsed root@kbl-ppc:~# perf stat -M CPI,IPC -I1000 --interval-count 2 # time counts unit events 1.000435121 905,303 inst_retired.any # 2.9 CPI 1.000435121 2,663,333 cycles 1.000435121 914,702 inst_retired.any # 0.3 IPC 1.000435121 2,676,559 cpu_clk_unhalted.thread 2.001615941 1,951,092 inst_retired.any # 1.8 CPI 2.001615941 3,551,357 cycles 2.001615941 1,950,837 inst_retired.any # 0.5 IPC 2.001615941 3,551,044 cpu_clk_unhalted.thread Performance counter stats for 'system wide': 2,856,395 inst_retired.any # 2.2 CPI 6,214,690 cycles 2,865,539 inst_retired.any # 0.5 IPC 6,227,603 cpu_clk_unhalted.thread 2.003403078 seconds time elapsed v2: --- Rebase to perf/core branch Jin Yao (2): perf evsel: Create counts for collecting summary data perf stat: Report summary for interval mode tools/perf/builtin-stat.c | 14 ++++++- tools/perf/util/evsel.c | 10 ++++- tools/perf/util/evsel.h | 1 + tools/perf/util/stat.c | 77 +++++++++++++++++++++++++++++++++++++++ tools/perf/util/stat.h | 5 +++ 5 files changed, 103 insertions(+), 4 deletions(-) -- 2.17.1