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 8D7D1C001DC for ; Thu, 27 Jul 2023 08:47:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231621AbjG0Ird (ORCPT ); Thu, 27 Jul 2023 04:47:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54884 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232900AbjG0IrF (ORCPT ); Thu, 27 Jul 2023 04:47:05 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1747449C3; Thu, 27 Jul 2023 01:29:42 -0700 (PDT) Received: from kwepemi500013.china.huawei.com (unknown [172.30.72.54]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4RBP6c4NHLzrS0H; Thu, 27 Jul 2023 16:28:24 +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; Thu, 27 Jul 2023 16:29:18 +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 v4 0/4] perf: add new option '--workload-attr' to set workload sched_policy/priority/cpumask Date: Thu, 27 Jul 2023 16:28:48 +0800 Message-ID: <20230727082852.916093-1-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: dggems705-chm.china.huawei.com (10.3.19.182) 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/cpumask of the workload to reduce system noise. $ sudo perf stat --workload-attr fifo,40,0-3:7 -- ls Please see patch 2/4 for more details. v4: - add a test case for perf-stat. (suggeted by Ian Rogers) - fix warning found by 0-DAY. v3: - replace taskset with --workload-attr option in documents and tests. v2: - Use cpu list spec instead of cpu mask number. - Update documents. Changbin Du (4): 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/cpumask perf: replace taskset with --workload-attr option perf test: add test case for --workload-attr option tools/lib/perf/cpumap.c | 45 ++++++- tools/lib/perf/include/perf/cpumap.h | 4 + tools/lib/perf/libperf.map | 2 + tools/perf/Documentation/intel-hybrid.txt | 2 +- tools/perf/Documentation/perf-record.txt | 7 ++ tools/perf/Documentation/perf-stat.txt | 8 +- tools/perf/builtin-record.c | 26 ++++ tools/perf/builtin-stat.c | 18 +++ tools/perf/tests/cpumap.c | 23 ++++ tools/perf/tests/shell/stat.sh | 19 +++ .../tests/shell/stat_bpf_counters_cgrp.sh | 2 +- tools/perf/tests/shell/test_arm_coresight.sh | 2 +- tools/perf/tests/shell/test_data_symbol.sh | 2 +- tools/perf/tests/shell/test_intel_pt.sh | 2 +- tools/perf/util/evlist.c | 116 ++++++++++++++++++ tools/perf/util/evlist.h | 3 + tools/perf/util/target.h | 9 ++ 17 files changed, 281 insertions(+), 9 deletions(-) -- 2.25.1