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[2620:137:e000::1:20]) by mx.google.com with ESMTP id e28-20020a63501c000000b00415bfaddcddsi17682243pgb.471.2022.07.13.00.21.55; Wed, 13 Jul 2022 00:22:17 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=UT72qyLS; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232076AbiGMGmT (ORCPT + 99 others); Wed, 13 Jul 2022 02:42:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41568 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230490AbiGMGmR (ORCPT ); Wed, 13 Jul 2022 02:42:17 -0400 Received: from mail-pg1-x534.google.com (mail-pg1-x534.google.com [IPv6:2607:f8b0:4864:20::534]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 124D8DE1A7 for ; Tue, 12 Jul 2022 23:42:17 -0700 (PDT) Received: by mail-pg1-x534.google.com with SMTP id g4so9662457pgc.1 for ; Tue, 12 Jul 2022 23:42:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=references:user-agent:from:to:cc:subject:date:in-reply-to :message-id:mime-version; bh=HzERyUX8r42O7EeoFdBNAgcejWeBbz5fOTEqqjH+TQQ=; b=UT72qyLSZTrNN2pPbYlxDZHIt0TY7vGtUxtCTRLe5e0vEmuHSDaSboOiXm9eEcuiS7 s0WvG7aHhKjCHb/xn4qrj47u5jfgEJ7UFLbn1AYZgauI23jEN57NQMrG0lPl1zc3aclP tmEhMqhfvyyjwBKZeAhk0SSb/HXSsE+GimnSqdEVNWToPnsaIKHP2Blz1jYDBKnSQmwZ XpMu6F5XG9VeIcPNLW+mCccOi1omNDQAeSGYP7Jk+dJ3f9LX3scil2ZBDEituPlKJbUI FwdqEXsUoCIWqKVlWHtV37m/BWrbUJt1cu0r+yU0g6LW6gILdkMLDiaYrbjlbK+wmtpF UL3A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:references:user-agent:from:to:cc:subject:date :in-reply-to:message-id:mime-version; bh=HzERyUX8r42O7EeoFdBNAgcejWeBbz5fOTEqqjH+TQQ=; b=O8z7aAnShUqmpuTwOyoS8LKK5qDyE88UpijPhRY5HcOdh2BUFIfbr1VDyZUvVt6Opo fnwTvo6DiddzVgH+/nNRJdazH+S8xP8Ps5lNTM0oezoi5NCSQ+M+oI5sWw5tugJPxTe8 LVwS9SlOv8csoNwXlSdzBoi5rxKHuq5BIuS+afzvN4zsX3XZ91TN9jJQEqJVh95c4dBF PZJCPBGALWnZCO9f7rqh+/PsjQXltnLxA1znv06+PYzqZpbEGkpVCrMFe2LVA98xbpfw nMP5MR1fBoDjcCAtmZr0ZSCEObCu9oG2f614nTVA4OaOLvKU4YUobXY+QUXMywI4YVnE UKXw== X-Gm-Message-State: AJIora/MjjlrDJ8oP3CJnA7rRcuD2A5rKyFOogsIWWUjSB+AwuTHQnFf TlGHPpkY5odxZqwJeTn2u0vsX8DLqljyRlGQ X-Received: by 2002:a63:d1e:0:b0:40d:379e:bff8 with SMTP id c30-20020a630d1e000000b0040d379ebff8mr1782207pgl.215.1657694536487; Tue, 12 Jul 2022 23:42:16 -0700 (PDT) Received: from MBP ([39.170.101.209]) by smtp.gmail.com with ESMTPSA id h27-20020aa79f5b000000b005251fff13dfsm7980873pfr.155.2022.07.12.23.42.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 Jul 2022 23:42:15 -0700 (PDT) References: <20220707090501.55483-1-schspa@gmail.com> User-agent: mu4e 1.6.10; emacs 27.2 From: Schspa Shi To: kernel test robot Cc: 0day robot , LKML , lkp@lists.01.org, ying.huang@intel.com, feng.tang@intel.com, zhengjun.xing@linux.intel.com, fengwei.yin@intel.com, guobing.chen@intel.com, ming.a.chen@intel.com, frank.du@intel.com, Shuhua.Fan@intel.com, wangyang.guo@intel.com, Wenhuan.Huang@intel.com, jessica.ji@intel.com, shan.kang@intel.com, guangli.li@intel.com, tiejun.li@intel.com, yu.ma@intel.com, dapeng1.mi@intel.com, jiebin.sun@intel.com, gengxin.xie@intel.com, fan.zhao@intel.com, tj@kernel.org, jiangshanlai@gmail.com Subject: Re: [workqueue] 1a0a67f5ef: phoronix-test-suite.fio.SequentialRead.IO_uring.Yes.No.1MB.DefaultTestDirectory.mb_s -17.7% regression Date: Wed, 13 Jul 2022 14:09:28 +0800 In-reply-to: Message-ID: MIME-Version: 1.0 Content-Type: text/plain X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org kernel test robot writes: > Greeting, > > FYI, we noticed a -17.7% regression of phoronix-test-suite.fio.SequentialRead.IO_uring.Yes.No.1MB.DefaultTestDirectory.mb_s due to commit: > This performance drop can be fixed by convert to wq_pool_attach_mutex to a rwsem, or add another lock for this. I will upload a new PATCH version for this. -- BRs Schspa Shi