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

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Message-ID: <20160827021334.eb3xpz57xvo37g5l@wfg-t540p.sh.intel.com>
Date:   Sat, 27 Aug 2016 10:13:34 +0800
From:   Fengguang Wu <fengguang.wu@...el.com>
To:     Jaegeuk Kim <jaegeuk@...nel.org>
Cc:     huang ying <huang.ying.caritas@...il.com>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-f2fs-devel@...ts.sourceforge.net, LKP ML <lkp@...org>
Subject: Re: [LKP] [lkp] [f2fs] ec795418c4: fsmark.files_per_sec -36.3%
 regression

Hi Jaegeuk,

>> >> > - [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?
>> >
>> > Sorry, I've had no time to dig this due to business travel now.
>> > I'll check that when back to US.
>>
>> Any update?
>
>Sorry, how can I get multitask binary?

It's part of aim7, which can be downloaded here:

http://nchc.dl.sourceforge.net/project/aimbench/aim-suite7/Initial%20release/s7110.tar.Z

Thanks,
Fengguang