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From: "Huang\, Ying" <ying.huang@intel.com>
To: Al Viro <viro@ZenIV.linux.org.uk>
Cc: kernel test robot <xiaolong.ye@intel.com>, <lkp@01.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [LKP] [lkp] [dcache_{readdir, dir_lseek}() users] 4e82901cd6: reaim.jobs_per_min -49.1% regression
Date: Wed, 01 Jun 2016 09:03:23 +0800	[thread overview]
Message-ID: <87bn3laffo.fsf@yhuang-dev.intel.com> (raw)
In-Reply-To: <20160531134011.GB14480@ZenIV.linux.org.uk> (Al Viro's message of "Tue, 31 May 2016 14:40:11 +0100")

Al Viro <viro@ZenIV.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

  reply	other threads:[~2016-06-01  1:03 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-31  8:15 [lkp] [dcache_{readdir,dir_lseek}() users] 4e82901cd6: reaim.jobs_per_min -49.1% regression kernel test robot
2016-05-31 13:40 ` Al Viro
2016-06-01  1:03   ` Huang, Ying [this message]
2016-06-02  6:28     ` [LKP] [lkp] [dcache_{readdir, dir_lseek}() " Huang, Ying
2016-06-02 16:29       ` Al Viro
2016-06-26  9:50         ` Thorsten Leemhuis
2016-06-26 17:13           ` Linus Torvalds
2016-06-26 18:06             ` Al Viro
2016-06-26 21:20               ` Linus Torvalds

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