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 5E3972B9B0; Mon, 26 Aug 2024 18:19:33 +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=1724696373; cv=none; b=JWpnSMkBU46J8L9A8qfIR1QIXXFjk2hhI8KegllDG+ciUpI42oFVWW7dBd3omrgxPv5md1MY5Zz3ZspQma8Nsicx9SGe7JKBZlie8F3SHlykJIkK6vOWP1bITpvZ+bWBfyuk2H7o/VlK2cEN+64Jj3kC0kB/FnrX+NF3mJKP/U0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724696373; c=relaxed/simple; bh=HiDwydrWBWpTLMEtWaYGMPMkxiH9FwgHVIe1nh3vqYI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=teUdFbh6AS7O/ips+ZbGBY2SwIrRht9Z2drwfM1Yk/p610pNKdDHCdTPrkJh4IMGw6XB1Kalccq6ZJx+IwfUuxMpm9rODFR4MH6O0wtqH9XXvDdK9MDMheN9N2QUnLfwMQXridJbL44CZ7vJzyVQREHHxeR/eJQhzGgdhxyMnWY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=kduJ2JbL; 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="kduJ2JbL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C09C3C8B7D6; Mon, 26 Aug 2024 18:19:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1724696372; bh=HiDwydrWBWpTLMEtWaYGMPMkxiH9FwgHVIe1nh3vqYI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=kduJ2JbLCqIIKpuhel8LiEP2z2QShwqhJOtFQ/XDxZMaphDHKvrPXqNGFqQuOUbaf Heu7roiz5ohUXt+DoB28quzUY0G5HbO/tWQgUUyp8bZvdrUDqu//fqtRi9EXkY/MOE bBsj1DYccy9R/1YBGeXrR6HwQ+K/iDsDavhd8zBSRZLyXdgek74bIUW0r2+mE3FJU3 xTmrdF20RMd8CV1uSye1UCzH1CTFX4cRFXcpN8ESDYTQ4QXL3eIe0/yHrnCJflqFob ttKSD6/uNiWQKhA8PGZoaSxiNsFRdg8vPkYUnSAv4foLVLDFHOPDu1L9Rd/mypiSx0 rLgae+SrIrNEQ== Date: Mon, 26 Aug 2024 08:19:31 -1000 From: Tejun Heo To: JoshuaHahnjoshua.hahn6@gmail.com Cc: lizefan.x@bytedance.com, hannes@cmpxchg.org, mkoutny@suse.com, shuah@kernel.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH 1/2] Tracking cgroup-level niced CPU time Message-ID: References: <20240823201317.156379-1-joshua.hahn6@gmail.com> <20240823201317.156379-2-joshua.hahn6@gmail.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: <20240823201317.156379-2-joshua.hahn6@gmail.com> Hello, On Fri, Aug 23, 2024 at 01:05:17PM -0700, JoshuaHahnjoshua.hahn6@gmail.com wrote: > From: Joshua Hahn > > Cgroup-level CPU statistics currently include time spent on > user/system processes, but do not include niced CPU time (despite > already being tracked). This patch exposes niced CPU time to the > userspace, allowing users to get a better understanding of their > hardware limits and can facilitate better load-balancing. You aren't talking about the in-kernel scheduler's load balancer, right? If so, can you please update the description? This is a bit too confusing for a commit message for a kernel commit. Thanks. -- tejun