linux-kernel - Re: [LKP] [lkp] [f2fs] ec795418c4: fsmark.files_per

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Message-ID: <87vaz6yl8a.fsf@yhuang-mobile.sh.intel.com>
Date:	Thu, 11 Aug 2016 15:49:41 -0700
From:	"Huang\, Ying" <ying.huang@...el.com>
To:	Jaegeuk Kim <jaegeuk@...nel.org>
Cc:	"Huang\, Ying" <ying.huang@...el.com>,
	kernel test robot <xiaolong.ye@...el.com>, <lkp@...org>,
	LKML <linux-kernel@...r.kernel.org>,
	<linux-f2fs-devel@...ts.sourceforge.net>
Subject: Re: [LKP] [lkp] [f2fs] ec795418c4: fsmark.files_per_sec -36.3% regression

Hi, Kim,

"Huang, Ying" <ying.huang@...el.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