Received: by 2002:a05:6a10:413:0:0:0:0 with SMTP id 19csp3634599pxp; Wed, 23 Mar 2022 02:42:15 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyYnblp388Z24ftVyvyN8bv13fFrm+nuwqrIQ8m+BXltmN6Fk8826MxHoQiEqPcybeI/h65 X-Received: by 2002:a17:90b:4ad2:b0:1c7:cee:b126 with SMTP id mh18-20020a17090b4ad200b001c70ceeb126mr10343748pjb.219.1648028535058; Wed, 23 Mar 2022 02:42:15 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1648028535; cv=none; d=google.com; s=arc-20160816; b=RRFHUrm28S+AD8lAkeG++hVKQNWYgS51CHHfBqruVdn3au10K/hHyX5Ar5UXImFDYu tX1pKzy1VEukxNR2iBa9FuAW+h1/jIw/gBPFd5qB0lxgedRvuABFPSxvMUtXIJqIuJbr Msqxu6QuJwVSYgMxbBpCVbFRns7jOyN0MQljvrhISl5fE1opGW0+MySPpJmqBn5bIUjY XNLb+dHxO1TDfh9ILCblRWrtdOEsMfRTweartDs5LVi3cCBoia0hYFrDaie4t3bQqvlq iy3AbJwt7MnZAa/iqVb6OHX5z8eUmM3YsbDoo8Gl7x0RlwrWrNxaBGqUlLFW42SBkx7T eDSA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:cc:to:subject:message-id:date:from:in-reply-to :references:mime-version; bh=+z636ynkHRELaXITIsopPF4jHcBApicZM14jpe3tGzw=; b=Yvo7Rs69mrfqkoPK4BY9X19uQLYk6iO1FBiQXRo6qMmgmh4FQpIsgryf105d5lvoM9 a4UK+Y/nlGaOZqO1AfwPD6dIEmTdJsNXodYPgYqQCMv6YtnR7Cbr4yZ/fquJIp16iPCO lxUwDvcI/qf7ELrRcZSX3xlTA4iTnTh6eL1YU919EvAfatz6IgzapkgEra1dS6gJrxE3 SHuHfpGIlMw9sZy19VAnNMn2MZH9j76+csIvAjl4w9OiIUDm+/mn58o21Y++TKmSo+9M sea3VnXpqLux4hPwWtzIrTzV5sFd/U8H/hBqSTCK79b9rl3ubZtOdkt99j9tOjAwMRDY bWZg== ARC-Authentication-Results: i=1; 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=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id lr18-20020a17090b4b9200b001bd14e03038si5704102pjb.16.2022.03.23.02.42.01; Wed, 23 Mar 2022 02:42:15 -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=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239188AbiCVQl1 (ORCPT + 99 others); Tue, 22 Mar 2022 12:41:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45620 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239183AbiCVQlZ (ORCPT ); Tue, 22 Mar 2022 12:41:25 -0400 Received: from mail-lj1-f176.google.com (mail-lj1-f176.google.com [209.85.208.176]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 900AB6E55A; Tue, 22 Mar 2022 09:39:57 -0700 (PDT) Received: by mail-lj1-f176.google.com with SMTP id q5so24692548ljb.11; Tue, 22 Mar 2022 09:39:57 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=+z636ynkHRELaXITIsopPF4jHcBApicZM14jpe3tGzw=; b=irezaqSSqLdBt2qMZCJXvCoI59MgJq1a9F0UUWvONPJshU+4JxJoVRxNyZnERccXsz ynHguFT4GwcBe7H7rLjmkM67Ka0G4D4uPFLWp+IAF6tfp3XKUCuWuvYDIxWiUM9q54Be AcGiyBiiXVzu4kI88rja0zM5kwWHelbGEjUlQESeK5Mz9HbdYDNDSn4HcVvDnsIPD9nm yGOxjD/dcOtueEL6l5qvqgit4rinqp140A4hwdeyNciJCmqQpZ/xeQuKoymZKEo0N7sN A0nUYrSHpRRyu/P5uGRFYKwf8K+yx1ubqF0qv3KJsy3iPRQ7BCLP4w65VRM3Irc87eiK tAPA== X-Gm-Message-State: AOAM531YGS9h/Cg/of5kqx+sPis+bAr/FgJnrfZ3EbRQU+ZxZXcBnu+h 29eJxY6hY8Dj2zFrgssd/PA93WPZy53mlbp7b6w= X-Received: by 2002:a05:651c:1549:b0:249:9448:d643 with SMTP id y9-20020a05651c154900b002499448d643mr1916178ljp.457.1647967195779; Tue, 22 Mar 2022 09:39:55 -0700 (PDT) MIME-Version: 1.0 References: <20220316224548.500123-1-namhyung@kernel.org> <20220316224548.500123-3-namhyung@kernel.org> <20220318180750.744f08d4@gandalf.local.home> <20220322085915.6c2e7ff9@gandalf.local.home> In-Reply-To: <20220322085915.6c2e7ff9@gandalf.local.home> From: Namhyung Kim Date: Tue, 22 Mar 2022 09:39:44 -0700 Message-ID: Subject: Re: [PATCH 2/2] locking: Apply contention tracepoints in the slow path To: Steven Rostedt Cc: Peter Zijlstra , Boqun Feng , Ingo Molnar , Will Deacon , Waiman Long , LKML , Thomas Gleixner , Byungchul Park , "Paul E. McKenney" , Mathieu Desnoyers , Arnd Bergmann , Radoslaw Burny , linux-arch , bpf Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-1.4 required=5.0 tests=BAYES_00, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=no 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 On Tue, Mar 22, 2022 at 5:59 AM Steven Rostedt wrote: > > On Mon, 21 Mar 2022 22:31:30 -0700 > Namhyung Kim wrote: > > > > Thanks for the info. But it's unclear to me if it provides the custom > > > event with the same or different name. Can I use both of the original > > > and the custom events at the same time? > > Sorry, missed your previous question. No problem! > > > > > I've read the code and understood that it's a separate event that can > > be used together. Then I think we can leave the tracepoint with the > > return value and let users customize it for their needs later. > > Right, thanks for looking deeper at it. And thanks for your review. I'll post a v4 soon. Thanks, Namhyung