From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m16.mail.163.com (m16.mail.163.com [117.135.210.4]) by smtp.subspace.kernel.org (Postfix) with ESMTP id A53188468; Sat, 30 Nov 2024 17:00:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=117.135.210.4 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732986048; cv=none; b=swYEiAAatamOo8fTn9svCvxaIt8NuwZVP1b5l9u0QtS4sdwP32WsgfmMrSUgLK8XQtv3cmZwnFXDT8RxlmlpfLCr8W0jAfwj2L70+mqqkwnuOegAHiX9loSJktFqHhIdSqhbV3pC6/EwIeRxsYg+sbH6Tf3lF+/I+RVnU+wngS8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732986048; c=relaxed/simple; bh=Mex2PmB+lb1e6ar9mx92l20Ruaz93Dtf08qL0dt5sVQ=; h=Date:From:To:Cc:Subject:In-Reply-To:References:Content-Type: MIME-Version:Message-ID; b=hS4LMY3CIKF0/5AmdaQ+Smh1VAVxg2f06V7B5f09g8amgStkn5ddNUtHaTKRP35x+e19l+oZpbIVLiGk7ztmlX1pjweyXc60MH1+dBvAS0QoDLOwT/6uEcjlrmxv8BfdTQGtjcbICPCj0jbkgIUsb+MxQkE7SCpQGh2b+J6+jFc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=fail (1024-bit key) header.d=163.com header.i=@163.com header.b=VpsFLVa6 reason="signature verification failed"; arc=none smtp.client-ip=117.135.210.4 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=163.com header.i=@163.com header.b="VpsFLVa6" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=Date:From:Subject:Content-Type:MIME-Version: Message-ID; bh=na6BrjzcVfZyNtqJpP0Qfw+RMkb2Q5lrEVXf1+Vsfss=; b=V psFLVa6s+tEzpmw/940rrbzqECzmJbVqwLbtVTWKb/Pp+vncKwSOQ42CntLoLT24 mDMqcsWGpqsCnWMAI1GTRZ44sfmUeVh0nBzdscleIOHvcRdNL/4oCwM8GAguDXzo 7P4un3hpNofC16pQ4BYmsN82sbV+zNQK5sAGiUwYmo= Received: from 00107082$163.com ( [111.35.188.140] ) by ajax-webmail-wmsvr-40-121 (Coremail) ; Sun, 1 Dec 2024 00:59:45 +0800 (CST) Date: Sun, 1 Dec 2024 00:59:45 +0800 (CST) From: "David Wang" <00107082@163.com> To: "Jens Axboe" Cc: chris.bainbridge@gmail.com, bvanassche@acm.org, hch@lst.de, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, regressions@lists.linux.dev, semen.protsenko@linaro.org Subject: Re: [REGRESSION] ioprio performance hangs, bisected X-Priority: 3 X-Mailer: Coremail Webmail Server Version XT5.0.14 build 20240801(9da12a7b) Copyright (c) 2002-2024 www.mailtech.cn 163com In-Reply-To: <09db95ba-b396-4734-9ff0-9331579c92b7@kernel.dk> References: <20241130060949.122381-1-00107082@163.com> <09db95ba-b396-4734-9ff0-9331579c92b7@kernel.dk> X-NTES-SC: AL_Qu2YAPWTukEj4yGQYOkXn0oTju85XMCzuv8j3YJeN500kiTuyDE8bG5ZHEnH/PmCOyCmoQmnSDptzMZCd5BjXpPiisEkb4hIt4eeUdsJzlGJ Content-Transfer-Encoding: base64 Content-Type: text/plain; charset=GBK Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <3a051f26.3be2.1937e0398a5.Coremail.00107082@163.com> X-Coremail-Locale: zh_CN X-CM-TRANSID:eSgvCgDnv_mCREtnOeszAA--.32805W X-CM-SenderInfo: qqqrilqqysqiywtou0bp/xtbB0hKnqmdLIM0JDgACsJ X-Coremail-Antispam: 1U5529EdanIXcx71UUUUU7vcSsGvfC2KfnxnUU== CkF0IDIwMjQtMTItMDEgMDA6MDA6MjAsICJKZW5zIEF4Ym9lIiA8YXhib2VAa2VybmVsLmRrPiB3 cm90ZToKPk9uIDExLzI5LzI0IDExOjA5IFBNLCBEYXZpZCBXYW5nIHdyb3RlOgo+PiBXb3VsZCBm aXgvcmV2ZXJ0IHJlYWNoIDYuMTMtcmMxPyBJIHRoaW5rIHRoaXMgcmVncmVzc2lvbiBoYXMKPj4g c2lnbmlmaWNhbnQgbmFnYXRpdmUgaW1wYWN0IG9uIGRhaWx5IHVzYWdlLiBGcm9tIHRpbWUgdG8g dGltZSwKPj4gbXkgc3lzdGVtIHdvdWxkICpzdHVjayogZm9yIHNlY29uZHMsIHNvbWV0aW1lcyBl dmVuIHdoZW4KPj4gIGp1c3QgYGNhdGAgc29tZSBzbWFsbCBmaWxlIGl0IHdvdWxkIHRha2Ugc2Vj b25kcywgYW5kIG9uY2UsCj4+IG15IGRlc2t0b3AgZmFpbGVkIHRvIHJlc3VtZSBmcm9tIGEgc3Vz cGVuZCwgSSBoYWQgdG8gcG93ZXIgY3ljbGUgdGhlIHN5c3RlbTsKPj4gUG9sbGluZyAvcHJvYy9k aXNrc3RhdHMsICBJIG5vdGljZWQgQmxvY2stSU8gcmVhZCBsYXRlbmN5LAo+PiBkZWx0YSgjIG9m IG1pbGxpc2Vjb25kcyBzcGVudCByZWFkaW5nKS9kZWx0YSgjIG9mIHJlYWRzIGNvbXBsZXRlZCks Cj4+IGlzIHZlcnkgaGlnaCwgfjIwMG1zIGF2ZXJhZ2UsIGFuZCBmcmVxdWVudGx5IHJlYWNoZXMg MTBzLgo+PiAgKFN0cmFuZ2VseSBibG9jay1pbyB3cml0ZSBsYXRlbmN5IHNlZW1zIG5vcm1hbC4p Cj4+IE15IGJpc2VjdCBhbHNvIGxhbmQgb24gdGhpcyBjb21taXQsIHJldmVydCBvciBhcHBseSB0 aGlzIHBhdGNoIHdvdWxkCj4+IGZpeCBpdC4KPj4gCj4+IEtpbmQgb2YgdGhpbmsgdGhhdCA2LjEz LXJjMSB3b3VsZCBiZSB2ZXJ5IHVucGxlc2VhbnQgdG8gdXNlIHdpdGhvdXQKPj4gYSBmaXgvcmV2 ZXJ0IGZvciB0aGlzLgo+Cj5UaGUgcHVsbCBpbmNsdWRpbmcgdGhpcyBmaXggaGFzIGJlZW4gc2Vu dCBvZmYgdG8gTGludXMgeWVzdGVyZGF5LAo+aXQgc2hvdWxkIG1ha2UgLXJjMS4KPgo+LS0gCj5K ZW5zIEF4Ym9lCgpHb29kIHRvIGtub3d+CgpUaGFua3MKRGF2aWQ=