From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 C64703002B9; Sun, 2 Aug 2026 19:52:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785700376; cv=none; b=VvGp80Si36PPdA32xdYlgnjBNkHaNesU586MW7KMuosSstb6kGXtAANZaMUheYyKLDGoqPwkIXwvNBzExmnTFMnsLH7N8wOSqBuyUcOtfTcEi3ogIZrImVEDoi8YmIMZ3O9/uogzZIe75TZUv19uz54MsyFq9Q4ZW0/EkBFCsQU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785700376; c=relaxed/simple; bh=80f55MEymxJ97xahmuJNfm39fzyieNdHdP5Dzw2Po3E=; h=Date:Message-ID:From:To:Cc:Subject:In-Reply-To:References; b=ewWZ8KDZs5C3CHXMAMQvolI8+tzCDC/FZYH6/vviO8DdeQn/SsSKC0GVvmSiOPaEla95OUbuwnKW/Fn9HYCRa+7oxSir9gFNVXm7dM0E35xLCbru3kk6yMCc88vWGh6dkqXTh4xSDdH9rNyB+a3tT4Zq7HZ6hfWMvwRF+0SlB5I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=HrLw+Dhc; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="HrLw+Dhc" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 227AB1F000E9; Sun, 2 Aug 2026 19:52:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785700374; bh=80f55MEymxJ97xahmuJNfm39fzyieNdHdP5Dzw2Po3E=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=HrLw+DhcLDZqpKcSVtt0YzF/3MKEvRCxlmxZxO9x3X9goVJLj1jT5bV99ebwS7IFE +bksg0TR3JdbGhm2Nu3wdiJ+KXSojbdp08nSnAecr5Yu3JHDrfLkTMrlqkYADU/VJu kZmrHfot/hNnpxjvYup3wT4KFE3t/NMLwl7nFdXgZwfZw/TfDrNQeAuNcYlsx0O9vx +rP65cQsEQu3ZnH51SrMjouaJhIsFOwMLNC/ZCxa7EMfvitPVt7mSCW3XsHMnD5eEA URz1w5stMckDsolMhQDb8xrTiDKNj7v4HcRLxjurq4to+fVVJDly2HmD0ticBmJwDR SrLLC0hX4BdLw== Date: Sun, 02 Aug 2026 09:52:53 -1000 Message-ID: <67759a7fcfb75858ffa0aeef43977f59@kernel.org> From: Tejun Heo To: Shaojie Sun Cc: mkoutny@suse.com, hannes@cmpxchg.org, shuah@kernel.org, cuitao@kylinos.cn, cgroups@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] selftests/cgroup: add user_usec sanity check in test_cpucg_nice In-Reply-To: <20260730130717.1236233-1-sunshaojie@kylinos.cn> References: <20260730130717.1236233-1-sunshaojie@kylinos.cn> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: On Thu, Jul 30, 2026 at 09:07:17PM +0800, Shaojie Sun wrote: > In test_cpucg_nice, after the child process exits, user_usec is > read from cpu.stat but the value is not checked. Add a sanity check > to ensure user_usec > 0, analogous to test_cpucg_stats(), so that > the test fails early if CPU usage wasn't properly accounted. Applied to cgroup/for-7.3. Thanks. -- tejun