linux-kernel - Re: [lkp-robot] [scsi] 5c279bd9e4: blogbench.read

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Message-ID: <CACVXFVNWpWb0f-tp2r82Juzq3QH2Prw_gzqVY9tySnAQsLg2Kg@mail.gmail.com>
Date:   Thu, 6 Jul 2017 07:45:27 +0800
From:   Ming Lei <tom.leiming@...il.com>
To:     kernel test robot <xiaolong.ye@...el.com>
Cc:     Christoph Hellwig <hch@....de>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        LKML <linux-kernel@...r.kernel.org>,
        James Bottomley <JBottomley@...n.com>,
        "James E.J. Bottomley" <James.Bottomley@...senpartnership.com>,
        Linux SCSI List <linux-scsi@...r.kernel.org>,
        LKP ML <lkp@...org>
Subject: Re: [lkp-robot] [scsi] 5c279bd9e4: blogbench.read_score -10.0% regression

Hi Xiaolong,

On Mon, Jul 3, 2017 at 10:57 AM, kernel test robot
<xiaolong.ye@...el.com> 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