From mboxrd@z Thu Jan 1 00:00:00 1970 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 1B61E19E83E; Tue, 4 Feb 2025 20:46:58 +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=1738702019; cv=none; b=l2nC3f3g8Eb+2x78dxsL6BbXnyOAxVhMnEVWGwg9AaT4ANDyzpXkfoOwNzpGY/dEA1zqEoapF66vhluM2DRONlpBVTFIjbRjfpupE0+S72NxGbokhRHcLBBDe6cAziDtALzWjKRp5N2g0U/eU8viuCSjwB2DajpShNSYFKsKZ+E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738702019; c=relaxed/simple; bh=A9YOqhr4a3Nfp7dwuX66qDG8uCHnk3oo4CPnj0viI7Y=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=DwA/OSMcqL/9DQM1oe9z25ZhAavEppphqZ4nS/GY5Tmr8aPuXYXuX/xjXsEK4qekNg9voKh2DkNs2q4f1GtvNtb36dNOwFZZPGG3I/g0KweoTdkRAfaYAs/fVu+CvvXh83MaezjtLWiLjAPj+vld+7F228qaNdn/icX+V3/wwIs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=KmK/ilgF; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="KmK/ilgF" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 601FDC4CEDF; Tue, 4 Feb 2025 20:46:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1738702018; bh=A9YOqhr4a3Nfp7dwuX66qDG8uCHnk3oo4CPnj0viI7Y=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=KmK/ilgFmBaQkMAeDevq13IH6d+Y9jn9NkZ6LJAkZmFMYh9s0GQsCKYyj2qw/ZdlE 9X5ZJukB2LLjXiW2k640Mi5XAN6V4/GzBT1ilw1djAv0e5tuHCPegNqDHj4NUkMZBE P60pwKqzZawFIAGBvJB5pnRTVRba06Egswh2/h8P5wat+ks36595Jpnyz5hP1cwrU/ JaCusyn1r+I4vsRpiwaYN+CqTluu+cycv8qJl41tdWcvCX1KY8LHQPuIKsHGhlkOhm Bhv/p3gQiNyHpMaWRCVR1iMkJpgvuzYnVsuknscyFKXPjXaRQ7iz8lQsdfn7KlbsXi R6uZL55DHD+kA== Date: Tue, 4 Feb 2025 10:46:57 -1000 From: Tejun Heo To: Abel Wu Cc: Johannes Weiner , Michal =?iso-8859-1?Q?Koutn=FD?= , Jonathan Corbet , Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Valentin Schneider , Andrew Morton , Yury Norov , Thomas Gleixner , Bitao Hu , Chen Ridong , "open list:CONTROL GROUP (CGROUP)" , "open list:DOCUMENTATION" , open list Subject: Re: [PATCH v2 0/3] Fix and cleanup and extend cpu.stat Message-ID: References: <20250125052521.19487-1-wuyun.abel@bytedance.com> 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-Disposition: inline In-Reply-To: On Mon, Feb 03, 2025 at 04:11:27PM +0800, Abel Wu wrote: > Ping :) > > On 1/25/25 1:25 PM, Abel Wu Wrote: > > Patch 1: fixes an issue that forceidle time can be inconsistant with > > other cputimes. > > > > Patch 2: cleans up the #ifdef mess in cpu.stat. I wasn't sure whether the new code was materially better than the existing. Can we try without this patch? > > Patch 3: extend run_delay accounting to cgroup to show how severely > > a cgroup is stalled. I'm not necessarily against adding this. Johannes, what do you think? Thanks. -- tejun