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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 40F7DC001B0 for ; Mon, 17 Jul 2023 12:00:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229973AbjGQMAx (ORCPT ); Mon, 17 Jul 2023 08:00:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34176 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229680AbjGQMAu (ORCPT ); Mon, 17 Jul 2023 08:00:50 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 71A71E58; Mon, 17 Jul 2023 05:00:30 -0700 (PDT) Received: from kwepemi500013.china.huawei.com (unknown [172.30.72.55]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4R4LD44jmMzNmRk; Mon, 17 Jul 2023 19:57:08 +0800 (CST) Received: from M910t.huawei.com (10.110.54.157) by kwepemi500013.china.huawei.com (7.221.188.120) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Mon, 17 Jul 2023 20:00:26 +0800 From: Changbin Du To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo CC: Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Ian Rogers , Adrian Hunter , , , Hui Wang , Changbin Du Subject: [PATCH v2 0/2] perf: add new option '--workload-attr' to set workload sched_policy/priority/mask Date: Mon, 17 Jul 2023 20:00:01 +0800 Message-ID: <20230717120003.2391329-1-changbin.du@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.110.54.157] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To kwepemi500013.china.huawei.com (7.221.188.120) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This adds a new option '--workload-attr' to set the sched_policy/priority/mask of the workload to reduce system noise. $ sudo perf stat --workload-attr fifo,40,0-3:7 -- ls Please see patch 1/2 for more details. v2: - Use cpu list spec instead of cpu mask number. - Update documents. Changbin Du (2): perf cpumap: Add __perf_cpu_map__new and perf_cpu_map__2_cpuset perf: add new option '--workload-attr' to set workload sched_policy/priority/mask tools/lib/perf/cpumap.c | 45 ++++++++- tools/lib/perf/include/perf/cpumap.h | 4 + tools/lib/perf/libperf.map | 2 + tools/perf/Documentation/perf-record.txt | 7 ++ tools/perf/Documentation/perf-stat.txt | 6 ++ tools/perf/builtin-record.c | 26 +++++ tools/perf/builtin-stat.c | 18 ++++ tools/perf/tests/cpumap.c | 22 +++++ tools/perf/util/evlist.c | 115 +++++++++++++++++++++++ tools/perf/util/evlist.h | 3 + tools/perf/util/target.h | 9 ++ 11 files changed, 254 insertions(+), 3 deletions(-) -- 2.25.1