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 C32A9CCA47B for ; Mon, 13 Jun 2022 09:50:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241296AbiFMJuO (ORCPT ); Mon, 13 Jun 2022 05:50:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48554 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241198AbiFMJtk (ORCPT ); Mon, 13 Jun 2022 05:49:40 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9449C1AD87; Mon, 13 Jun 2022 02:49:21 -0700 (PDT) Received: from dggemv704-chm.china.huawei.com (unknown [172.30.72.56]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4LM6F424gNzjXfK; Mon, 13 Jun 2022 17:47:52 +0800 (CST) Received: from kwepemm600003.china.huawei.com (7.193.23.202) by dggemv704-chm.china.huawei.com (10.3.19.47) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Mon, 13 Jun 2022 17:48:05 +0800 Received: from ubuntu1804.huawei.com (10.67.174.61) 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 15.1.2375.24; Mon, 13 Jun 2022 17:48:04 +0800 From: Yang Jihong To: , , , , , , , , CC: Subject: [RFC 04/13] perf kwork: Add workqueue record support Date: Mon, 13 Jun 2022 17:45:56 +0800 Message-ID: <20220613094605.208401-5-yangjihong1@huawei.com> X-Mailer: git-send-email 2.30.GIT In-Reply-To: <20220613094605.208401-1-yangjihong1@huawei.com> References: <20220613094605.208401-1-yangjihong1@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.67.174.61] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To kwepemm600003.china.huawei.com (7.193.23.202) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Record workqueue events workqueue:workqueue_activate_work, workqueue:workqueue_execute_start & workqueue:workqueue_execute_end Record all events: # perf kwork record -o perf_kwork.date -- sleep 1 [ perf record: Woken up 0 times to write data ] [ perf record: Captured and wrote 0.839 MB perf_kwork.date ] # perf evlist -i perf_kwork.date irq:irq_handler_entry irq:irq_handler_exit irq:softirq_raise irq:softirq_entry irq:softirq_exit workqueue:workqueue_activate_work workqueue:workqueue_execute_start workqueue:workqueue_execute_end dummy:HG Record workqueue events: # perf kwork -k workqueue record -o perf_kwork.date -- sleep 1 [ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 0.080 MB perf_kwork.date ] # perf evlist -i perf_kwork.date workqueue:workqueue_activate_work workqueue:workqueue_execute_start workqueue:workqueue_execute_end dummy:HG Signed-off-by: Yang Jihong --- tools/perf/builtin-kwork.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/tools/perf/builtin-kwork.c b/tools/perf/builtin-kwork.c index 0da554e04f16..cda6fcbc6e41 100644 --- a/tools/perf/builtin-kwork.c +++ b/tools/perf/builtin-kwork.c @@ -27,6 +27,7 @@ enum kwork_class_type { KWORK_CLASS_IRQ, KWORK_CLASS_SOFTIRQ, + KWORK_CLASS_WORKQUEUE, KWORK_CLASS_MAX, }; @@ -93,9 +94,22 @@ static struct kwork_class kwork_softirq = { .tp_handlers = softirq_tp_handlers, }; +const struct evsel_str_handler workqueue_tp_handlers[] = { + { "workqueue:workqueue_activate_work", NULL, }, + { "workqueue:workqueue_execute_start", NULL, }, + { "workqueue:workqueue_execute_end", NULL, }, +}; + +static struct kwork_class kwork_workqueue = { + .name = "workqueue", + .nr_tracepoints = 3, + .tp_handlers = workqueue_tp_handlers, +}; + static struct kwork_class *kwork_class_supported_list[KWORK_CLASS_MAX] = { [KWORK_CLASS_IRQ] = &kwork_irq, [KWORK_CLASS_SOFTIRQ] = &kwork_softirq, + [KWORK_CLASS_WORKQUEUE] = &kwork_workqueue, }; static void setup_event_list(struct perf_kwork *kwork, -- 2.30.GIT