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Re: [lkp] [dcache_{readdir,dir_lseek}() users] 4e82901cd6: reaim.jobs_per_min -49.1% regression

From Al Viro <viro@ZenIV.linux.org.uk>
Newsgroups linux.kernel
Subject Re: [lkp] [dcache_{readdir,dir_lseek}() users] 4e82901cd6: reaim.jobs_per_min -49.1% regression
Date 2016-05-31 15:50 +0200
Message-ID <rESds-3nT-13@gated-at.bofh.it> (permalink)
References <rEN46-b2-13@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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?

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Re: [lkp] [dcache_{readdir,dir_lseek}() users] 4e82901cd6:  reaim.jobs_per_min -49.1% regression Al Viro <viro@ZenIV.linux.org.uk> - 2016-05-31 15:50 +0200
  Re: [LKP] [lkp] [dcache_{readdir, dir_lseek}() users] 4e82901cd6: reaim.jobs_per_min -49.1% regression "Huang\, Ying" <ying.huang@intel.com> - 2016-06-01 03:10 +0200
    Re: [LKP] [lkp] [dcache_{readdir, dir_lseek}() users] 4e82901cd6: reaim.jobs_per_min -49.1% regression "Huang\, Ying" <ying.huang@intel.com> - 2016-06-02 08:30 +0200
      Re: [LKP] [lkp] [dcache_{readdir, dir_lseek}() users] 4e82901cd6:  reaim.jobs_per_min -49.1% regression Al Viro <viro@ZenIV.linux.org.uk> - 2016-06-02 18:40 +0200

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