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[147.75.48.161]) by mx.google.com with ESMTPS id t12-20020a17090abc4c00b002961fc98c6bsi1301606pjv.180.2024.02.01.10.40.39 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Feb 2024 10:40:39 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-48666-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.48.161 as permitted sender) client-ip=147.75.48.161; Authentication-Results: mx.google.com; arc=pass (i=1); spf=pass (google.com: domain of linux-kernel+bounces-48666-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.48.161 as permitted sender) smtp.mailfrom="linux-kernel+bounces-48666-linux.lists.archive=gmail.com@vger.kernel.org" Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sy.mirrors.kernel.org (Postfix) with ESMTPS id 426FDB26F99 for ; Thu, 1 Feb 2024 18:12:41 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 8B50812FB2D; Thu, 1 Feb 2024 18:08:08 +0000 (UTC) Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0D82B12FB20; Thu, 1 Feb 2024 18:08:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706810888; cv=none; b=d0WX0sbmhdutMqqTrO8J3bIk0QBgLUVAYLgz2fbBTLBFI9F1m3SBKn3BSwBwQ4qAQIoRT0o75VmVdrb35MCx6eq8+EajaEDmmTiyrPTbhfpvEBTWtSM0sHwxuITr6aYzz9q3s5WrxF5H/qPp+XRtx1DGDtwfJIUE5TEywb1Ffu4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706810888; c=relaxed/simple; bh=3fQ4Hj123nWikWKl/jDq76q+bYRtnn4w9qBSsVQBwuQ=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=KvRSY70rcyNllJzTKRUeITrNqnE5wbKT/kCRwdct24jKJ98dJX2vDgi2a5yuBHdsJfwxofGDTYWZ2ay/tLMWc+ZCkGgMFUCiS2YJvBzztq79N5Jnvk0bfQiIueoUjm23L2S8lvOK6f428jIWlMyzs5+V4RhclQUCjzyJKFyw+SY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id A0ADEC43390; Thu, 1 Feb 2024 18:08:06 +0000 (UTC) Date: Thu, 1 Feb 2024 13:08:23 -0500 From: Steven Rostedt To: Greg KH Cc: Daniel Bristot de Oliveira , Masami Hiramatsu , Mathieu Desnoyers , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH] tracing/timerlat: Move hrtimer_init to timerlat_fd open() Message-ID: <20240201130823.36f1da8d@gandalf.local.home> In-Reply-To: <2024020122-uncombed-moody-a96d@gregkh> References: <7324dd3fc0035658c99b825204a66049389c56e3.1706798888.git.bristot@kernel.org> <2024020109-duffel-finally-4f0b@gregkh> <05c12163-d348-4615-a9e3-f36787629e0e@kernel.org> <2024020122-uncombed-moody-a96d@gregkh> X-Mailer: Claws Mail 3.19.1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Thu, 1 Feb 2024 10:05:59 -0800 Greg KH wrote: > > timerlat_fd = open("/sys/kernel/tracing/osnoise/per_cpu/cpu0/timerlat_fd", 'r') > > timerlat_fd.close(); > > > > # ./taskset -c 0 ./timerlat_load.py > > > > Then obviously, this is a real, functional, change, so say so in the > kernel changelog :) I've updated the change log to remove that comment and add the reproducer. -- Steve