From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mta20.hihonor.com (mta20.hihonor.com [81.70.206.69]) (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 B12852C11ED for ; Thu, 11 Dec 2025 07:04:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=81.70.206.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765436700; cv=none; b=iSmakpISjsDYQ75DRetqOAxuRBIQTvsoeirRpD++JEFF7x22sF1uusGYp/FhjdohGxhT9pErbEnseNDerMEix3jhb0qx6Y32GH3T+bzFf4XGwRosk9JK3yqMH5i3UrjZaYyg+30BYIIV0g/uAKr08nUXw1r44ED04x0H4xvVBws= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765436700; c=relaxed/simple; bh=SxmdB+1AaF8AhQ37PFgbRBhMXeGKN5btgNeoIMSB8I8=; h=From:To:CC:Subject:Date:Message-ID:References:In-Reply-To: Content-Type:MIME-Version; b=QUDQUo1TD73Kp3cKyW/wDOBCtLPkmsXyg7urz7EdyGoEvzjOrkN0CIgqs4LFwQ3gLBpKXCLn/4CqP8KNjVV5z0q6cbIGXlViVaEIJKKFmcPt2DhO1iQ0hIdvNR1TGgh6ipQNUnlvs7sNta9JUg38ZOG3CGFjgrESHwJRZu+ZO28= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=honor.com; spf=pass smtp.mailfrom=honor.com; arc=none smtp.client-ip=81.70.206.69 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=honor.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=honor.com Received: from w003.hihonor.com (unknown [10.68.17.88]) by mta20.hihonor.com (SkyGuard) with ESMTPS id 4dRk6g0JwYzYkxsq; Thu, 11 Dec 2025 15:02:19 +0800 (CST) Received: from w009.hihonor.com (10.68.18.215) by w003.hihonor.com (10.68.17.88) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Thu, 11 Dec 2025 15:04:48 +0800 Received: from a011.hihonor.com (10.68.31.243) by w009.hihonor.com (10.68.18.215) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Thu, 11 Dec 2025 15:04:48 +0800 Received: from a011.hihonor.com ([fe80::2ded:f949:6f48:faf]) by a011.hihonor.com ([fe80::2ded:f949:6f48:faf%7]) with mapi id 15.02.2562.027; Thu, 11 Dec 2025 15:04:48 +0800 From: wangtao To: "mingo@redhat.com" , "peterz@infradead.org" , "juri.lelli@redhat.com" , "vincent.guittot@linaro.org" CC: "dietmar.eggemann@arm.com" , "rostedt@goodmis.org" , "bsegall@google.com" , "mgorman@suse.de" , "vschneid@redhat.com" , "linux-kernel@vger.kernel.org" , liulu 00013167 , "wangbintian(BintianWang)" , wangzicheng Subject: RE: [PATCH v3] sched/fair: make task join/leave scheduling more stable Thread-Topic: [PATCH v3] sched/fair: make task join/leave scheduling more stable Thread-Index: AQHcaCLJ9oTFfivawkCidehxeujmv7UcAnAQ Date: Thu, 11 Dec 2025 07:04:48 +0000 Message-ID: <92656a576d3c41a69f21c19eb898cd9c@honor.com> References: <20251208091117.2727-1-tao.wangtao@honor.com> In-Reply-To: <20251208091117.2727-1-tao.wangtao@honor.com> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 The update of sum_jlag on task leave follows a bounded-disturbance (BIBS/IS= S-type) model. I'll send a new patch with the proof that J is indeed bounde= d.