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From: "Huang\, Ying" <ying.huang@intel.com>
To: Jaegeuk Kim <jaegeuk@kernel.org>
Cc: "Huang\, Ying" <ying.huang@intel.com>,
        kernel test robot <xiaolong.ye@intel.com>, <lkp@01.org>,
        LKML <linux-kernel@vger.kernel.org>,
        <linux-f2fs-devel@lists.sourceforge.net>
Subject: Re: [LKP] [lkp] [f2fs] ec795418c4: fsmark.files_per_sec -36.3% regression
References: <20160718020950.GB4986@yexl-desktop>
	<87twfmsndf.fsf@yhuang-mobile.sh.intel.com>
	<87bn18cvuu.fsf_-_@yhuang-mobile.sh.intel.com>
	<20160804172452.GA12093@jaegeuk>
	<874m70ctu3.fsf@yhuang-mobile.sh.intel.com>
	<20160804185251.GA13813@jaegeuk>
	<87r3a4b7b6.fsf@yhuang-mobile.sh.intel.com>
Date: Thu, 11 Aug 2016 15:49:41 -0700
In-Reply-To: <87r3a4b7b6.fsf@yhuang-mobile.sh.intel.com> (Ying Huang's message
	of "Thu, 4 Aug 2016 13:36:13 -0700")
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Hi, Kim,

"Huang, Ying" <ying.huang@intel.com> writes:
>>
>> [lkp] [f2fs] 3bdad3c7ee: aim7.jobs-per-min -25.3% regression
>> [lkp] [f2fs] b93f771286: aim7.jobs-per-min -81.2% regression
>>
>> In terms of the above regression, I could check that _reproduce_ procedure
>> includes mounting filesystem only. Is that correct?
>
> Sorry, our test system failed to generate reproduce steps for aim7.  We
> will implement it.
>
> - [lkp] [f2fs] 3bdad3c7ee: aim7.jobs-per-min -25.3% regression
>
> The disk is one 48G ram disk.  The steps for aim7 is,
>
> cat > workfile <<EOF
> FILESIZE: 1M
> POOLSIZE: 10M
> 10 disk_cp
> EOF
>
> (
> 	echo $HOSTNAME
> 	echo disk_cp
>
> 	echo 1
> 	echo 3000
> 	echo 2
> 	echo 3000
> 	echo 1
> ) | ./multitask -t &
>
>
> - [lkp] [f2fs] b93f771286: aim7.jobs-per-min -81.2% regression
>
> The disk is 4 12G ram disk, and setup RAID0 on them via mdadm.  The
> steps for aim7 is,
>
> cat > workfile <<EOF
> FILESIZE: 1M
> POOLSIZE: 10M
> 10 sync_disk_rw
> EOF
>
> (
> 	echo $HOSTNAME
> 	echo sync_disk_rw
>
> 	echo 1
> 	echo 600
> 	echo 2
> 	echo 600
> 	echo 1
> ) | ./multitask -t &

Any update on these 2 regressions?  Is the information is enough for you
to reproduce?

Best Regards,
Huang, Ying