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Message-ID: <87bn3laffo.fsf@yhuang-dev.intel.com>
Date: Wed, 01 Jun 2016 09:03:23 +0800
From: "Huang\, Ying" <ying.huang@...el.com>
To: Al Viro <viro@...IV.linux.org.uk>
Cc: kernel test robot <xiaolong.ye@...el.com>, <lkp@...org>,
Linus Torvalds <torvalds@...ux-foundation.org>,
LKML <linux-kernel@...r.kernel.org>
Subject: Re: [LKP] [lkp] [dcache_{readdir, dir_lseek}() users] 4e82901cd6: reaim.jobs_per_min -49.1% regression
Al Viro <viro@...IV.linux.org.uk> writes:
> On Tue, May 31, 2016 at 04:15:15PM +0800, kernel test robot wrote:
>>
>>
>> FYI, we noticed reaim.jobs_per_min -49.1% regression due to commit:
>>
>> commit 4e82901cd6d1af21ae232ae835c36d8230c809e8 ("dcache_{readdir,dir_lseek}() users: switch to ->iterate_shared")
>> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
>>
>> in testcase: reaim
>> on test machine: lkp-hsx04: 144 threads Brickland Haswell-EX with 512G memory
>> with following parameters: cpufreq_governor=performance/iterations=4/nr_task=1600%/test=fserver
>
> [snip]
>
> Is there any way to get the profiles?
Sorry, our perf-profile support is broken after upgrading perf-profile
recently. We will restore it ASAP and send back to you the perf profile
results.
Best Regards,
Huang, Ying
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