Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1410711

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

From "Huang\, Ying" <ying.huang@intel.com>
Newsgroups linux.kernel
Subject Re: [LKP] [lkp] [dcache_{readdir, dir_lseek}() users] 4e82901cd6: reaim.jobs_per_min -49.1% regression
Date 2016-06-01 03:10 +0200
Message-ID <rF2Pv-1CU-1@gated-at.bofh.it> (permalink)
References <rEN46-b2-13@gated-at.bofh.it> <rESds-3nT-13@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


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

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

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

csiph-web