From mboxrd@z Thu Jan 1 00:00:00 1970 From: "hch@lst.de" Subject: Re: [PATCH] scsi: default to scsi-mq Date: Fri, 14 Jul 2017 14:45:39 +0200 Message-ID: <20170714124539.GA26686@lst.de> References: <1499701840.3555.7.camel@wdc.com> <1499779970.3345.1.camel@wdc.com> <4cf7ed21-7cf4-a91a-8beb-ba5f92e4eaaf@huawei.com> <1499788012.2586.12.camel@wdc.com> <9c0db5bd-a623-c73e-9f44-a4cfad97e2c8@huawei.com> <581a258d-3da8-5b01-f528-0ce11b74b65e@huawei.com> <1499869093.8204.2.camel@wdc.com> <20170712235401.00004402@huawei.com> <20170714175641.00001cb0@huawei.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from verein.lst.de ([213.95.11.211]:39033 "EHLO newverein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754294AbdGNMpu (ORCPT ); Fri, 14 Jul 2017 08:45:50 -0400 Content-Disposition: inline In-Reply-To: <20170714175641.00001cb0@huawei.com> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Jonathan Cameron Cc: Bart Van Assche , "hch@lst.de" , "linux-scsi@vger.kernel.org" , "john.garry@huawei.com" , "linuxarm@huawei.com" On Fri, Jul 14, 2017 at 05:56:41PM +0800, Jonathan Cameron wrote: > Just wondering if you had any thoughts on how we can proceed with tracking > down this regression? > > I'm not familiar enough with the multiqueue code to really know where > to start. > > If there are any other tests that would be of use, let us know. Can you send the blktrace and perf output for each of the runs? Thanks!