Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752613AbdGEXpa (ORCPT ); Wed, 5 Jul 2017 19:45:30 -0400 Received: from mail-vk0-f67.google.com ([209.85.213.67]:33533 "EHLO mail-vk0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751914AbdGEXp3 (ORCPT ); Wed, 5 Jul 2017 19:45:29 -0400 MIME-Version: 1.0 In-Reply-To: <20170703025722.GG7070@yexl-desktop> References: <20170703025722.GG7070@yexl-desktop> From: Ming Lei Date: Thu, 6 Jul 2017 07:45:27 +0800 Message-ID: Subject: Re: [lkp-robot] [scsi] 5c279bd9e4: blogbench.read_score -10.0% regression To: kernel test robot Cc: Christoph Hellwig , "Martin K. Petersen" , LKML , James Bottomley , "James E.J. Bottomley" , Linux SCSI List , LKP ML Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 452 Lines: 17 Hi Xiaolong, On Mon, Jul 3, 2017 at 10:57 AM, kernel test robot wrote: > > Greeting, > > FYI, we noticed a -10.0% regression of blogbench.read_score due to commit: Looks like related with mq scheduler, could you test the following patch to see if your issue can be fixed? https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git/commit/?h=for-linus&id=32825c45ff8f4cce937ab85b030dc693ceb1aa0a Thanks, Ming Lei