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[2620:137:e000::1:20]) by mx.google.com with ESMTP id r10-20020a170906c28a00b0099bc91da959si771362ejz.944.2023.08.03.19.12.45; Thu, 03 Aug 2023 19:13:09 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=huawei.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231520AbjHDCKV (ORCPT + 99 others); Thu, 3 Aug 2023 22:10:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36420 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229613AbjHDCKT (ORCPT ); Thu, 3 Aug 2023 22:10:19 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A420C448F; Thu, 3 Aug 2023 19:10:18 -0700 (PDT) Received: from kwepemm600003.china.huawei.com (unknown [172.30.72.53]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4RH8Gf2ccVzNmkN; Fri, 4 Aug 2023 10:06:50 +0800 (CST) Received: from localhost.localdomain (10.67.174.95) by kwepemm600003.china.huawei.com (7.193.23.202) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Fri, 4 Aug 2023 10:10:16 +0800 From: Yang Jihong To: , , , , , , , , , , , , , , , CC: Subject: [PATCH v5 1/7] perf evlist: Add perf_evlist__go_system_wide() helper Date: Fri, 4 Aug 2023 02:07:35 +0000 Message-ID: <20230804020741.99806-2-yangjihong1@huawei.com> X-Mailer: git-send-email 2.30.GIT In-Reply-To: <20230804020741.99806-1-yangjihong1@huawei.com> References: <20230804020741.99806-1-yangjihong1@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.174.95] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To kwepemm600003.china.huawei.com (7.193.23.202) X-CFilter-Loop: Reflected X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H5,RCVD_IN_MSPIKE_WL, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1773262800927737767 X-GMAIL-MSGID: 1773262800927737767 For dummy events that keep tracking, we may need to modify its cpu_maps. For example, change the cpu_maps to record sideband events for all CPUS. Add perf_evlist__go_system_wide() helper to support this scenario. Signed-off-by: Yang Jihong Acked-by: Adrian Hunter --- tools/lib/perf/evlist.c | 9 +++++++++ tools/lib/perf/include/internal/evlist.h | 2 ++ 2 files changed, 11 insertions(+) diff --git a/tools/lib/perf/evlist.c b/tools/lib/perf/evlist.c index b8b066d0dc5e..3acbbccc1901 100644 --- a/tools/lib/perf/evlist.c +++ b/tools/lib/perf/evlist.c @@ -738,3 +738,12 @@ int perf_evlist__nr_groups(struct perf_evlist *evlist) } return nr_groups; } + +void perf_evlist__go_system_wide(struct perf_evlist *evlist, struct perf_evsel *evsel) +{ + if (!evsel->system_wide) { + evsel->system_wide = true; + if (evlist->needs_map_propagation) + __perf_evlist__propagate_maps(evlist, evsel); + } +} diff --git a/tools/lib/perf/include/internal/evlist.h b/tools/lib/perf/include/internal/evlist.h index 3339bc2f1765..d86ffe8ed483 100644 --- a/tools/lib/perf/include/internal/evlist.h +++ b/tools/lib/perf/include/internal/evlist.h @@ -135,4 +135,6 @@ int perf_evlist__id_add_fd(struct perf_evlist *evlist, void perf_evlist__reset_id_hash(struct perf_evlist *evlist); void __perf_evlist__set_leader(struct list_head *list, struct perf_evsel *leader); + +void perf_evlist__go_system_wide(struct perf_evlist *evlist, struct perf_evsel *evsel); #endif /* __LIBPERF_INTERNAL_EVLIST_H */