From: Feng Tang <feng.tang@intel.com>
To: Chao Yu <yuchao0@huawei.com>
Cc: kernel test robot <rong.a.chen@intel.com>,
Jaegeuk Kim <jaegeuk@kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
lkp@lists.01.org
Subject: Re: [LKP] [f2fs] fe1897eaa6: aim7.jobs-per-min -60.9% regression
Date: Tue, 14 Apr 2020 09:38:49 +0800 [thread overview]
Message-ID: <20200414013849.GB49945@shbuild999.sh.intel.com> (raw)
In-Reply-To: <1c5007a1-26fe-650b-0a34-5b12f749b384@huawei.com>
On Mon, Apr 13, 2020 at 07:03:57PM +0800, Chao Yu wrote:
> On 2020/4/13 18:51, Feng Tang wrote:
> > On Sun, Dec 08, 2019 at 11:41:46PM +0800, kernel test robot wrote:
> >> Greeting,
> >>
> >> FYI, we noticed a -60.9% regression of aim7.jobs-per-min due to commit:
> >>
> >>
> >> commit: fe1897eaa6646f5a64a4cee0e6473ed9887d324b ("f2fs: fix to update time in lazytime mode")
> >> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
> >>
> >> in testcase: aim7
> >> on test machine: 48 threads Intel(R) Xeon(R) CPU E5-2697 v2 @ 2.70GHz with 64G memory
> >> with following parameters:
> >>
> >> disk: 4BRD_12G
> >> md: RAID1
> >> fs: f2fs
> >> test: sync_disk_rw
> >> load: 200
> >> cpufreq_governor: performance
> >> ucode: 0x42e
> >>
> >> test-description: AIM7 is a traditional UNIX system level benchmark suite which is used to test and measure the performance of multiuser system.
> >> test-url: https://sourceforge.net/projects/aimbench/files/aim-suite7/
> >>
> >>
> >>
> >> If you fix the issue, kindly add following tag
> >> Reported-by: kernel test robot <rong.a.chen@intel.com>
> >>
> >>
> >> Details are as below:
> >> -------------------------------------------------------------------------------------------------->
> >>
> >>
> >> To reproduce:
> >>
> >> git clone https://github.com/intel/lkp-tests.git
> >> cd lkp-tests
> >> bin/lkp install job.yaml # job file is attached in this email
> >> bin/lkp run job.yaml
> >>
> >> =========================================================================================
> >> compiler/cpufreq_governor/disk/fs/kconfig/load/md/rootfs/tbox_group/test/testcase/ucode:
> >> gcc-7/performance/4BRD_12G/f2fs/x86_64-rhel-7.6/200/RAID1/debian-x86_64-2019-11-14.cgz/lkp-ivb-2ep1/sync_disk_rw/aim7/0x42e
> >>
> >> commit:
> >> b145b0eb20 (" ARM and x86 bugfixes of all kinds. The most visible one is that migrating")
> >> fe1897eaa6 ("f2fs: fix to update time in lazytime mode")
> >>
> >> b145b0eb2031a620 fe1897eaa6646f5a64a4cee0e64
> >> ---------------- ---------------------------
> >> fail:runs %reproduction fail:runs
> >> | | |
> >> 1:4 -25% :4 dmesg.WARNING:at#for_ip_interrupt_entry/0x
> >> %stddev %change %stddev
> >> \ | \
> >> 1208 -60.9% 473.12 aim7.jobs-per-min
> >
> > Hi Chao Yu,
> >
> > Any thoughts on this?
> >
> > IIUC, this commit is a fix, and if you think it is necessary, we will
> > stop tracking this regresion.
>
> Hi Feng Tang,
>
> Sorry, I missed to reply this thread.
>
> Anyway, we need this fix patch to avoid losing atime issue in some cases,
> let's stop tracking this regression please.
Got it, thanks for confirming!
- Feng
> Thanks for noticing/reporting this regression. :)
>
> Thanks,
prev parent reply other threads:[~2020-04-14 1:38 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-08 15:41 [f2fs] fe1897eaa6: aim7.jobs-per-min -60.9% regression kernel test robot
2020-04-13 10:51 ` [LKP] " Feng Tang
2020-04-13 11:03 ` Chao Yu
2020-04-14 1:38 ` Feng Tang [this message]
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