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SubjectRe: [LKP] [btrfs] c8eaeac7b7: aim7.jobs-per-min -11.7% regression
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"Huang, Ying" <ying.huang@intel.com> writes:

> Rong Chen <rong.a.chen@intel.com> writes:
>
>> On 6/26/19 11:17 AM, Josef Bacik wrote:
>>> On Wed, Jun 26, 2019 at 10:39:36AM +0800, Rong Chen wrote:
>>>> On 6/25/19 10:22 PM, Josef Bacik wrote:
>>>>> On Fri, Jun 21, 2019 at 08:48:03AM +0800, Huang, Ying wrote:
>>>>>> "Huang, Ying" <ying.huang@intel.com> writes:
>>>>>>
>>>>>>> "Huang, Ying" <ying.huang@intel.com> writes:
>>>>>>>
>>>>>>>> Hi, Josef,
>>>>>>>>
>>>>>>>> kernel test robot <rong.a.chen@intel.com> writes:
>>>>>>>>
>>>>>>>>> Greeting,
>>>>>>>>>
>>>>>>>>> FYI, we noticed a -11.7% regression of aim7.jobs-per-min due to commit:
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> commit: c8eaeac7b734347c3afba7008b7af62f37b9c140 ("btrfs: reserve
>>>>>>>>> delalloc metadata differently")
>>>>>>>>> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
>>>>>>>>>
>>>>>>>>> in testcase: aim7
>>>>>>>>> on test machine: 40 threads Intel(R) Xeon(R) CPU E5-2690 v2 @
>>>>>>>>> 3.00GHz with 384G memory
>>>>>>>>> with following parameters:
>>>>>>>>>
>>>>>>>>> disk: 4BRD_12G
>>>>>>>>> md: RAID0
>>>>>>>>> fs: btrfs
>>>>>>>>> test: disk_rr
>>>>>>>>> load: 1500
>>>>>>>>> cpufreq_governor: performance
>>>>>>>>>
>>>>>>>>> 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/
>>>>>>>> Here's another regression, do you have time to take a look at this?
>>>>>>> Ping
>>>>>> Ping again ...
>>>>>>
>>>>> Finally got time to look at this but I can't get the reproducer to work
>>>>>
>>>>> root@destiny ~/lkp-tests# bin/lkp run ~/job-aim.yaml
>>>>> Traceback (most recent call last):
>>>>> 11: from /root/lkp-tests/bin/run-local:18:in `<main>'
>>>>> 10: from /usr/share/rubygems/rubygems/core_ext/kernel_require.rb:54:in `require'
>>>>> 9: from /usr/share/rubygems/rubygems/core_ext/kernel_require.rb:54:in `require'
>>>>> 8: from /root/lkp-tests/lib/yaml.rb:5:in `<top (required)>'
>>>>> 7: from /usr/share/rubygems/rubygems/core_ext/kernel_require.rb:54:in `require'
>>>>> 6: from /usr/share/rubygems/rubygems/core_ext/kernel_require.rb:54:in `require'
>>>>> 5: from /root/lkp-tests/lib/common.rb:9:in `<top (required)>'
>>>>> 4: from /usr/share/rubygems/rubygems/core_ext/kernel_require.rb:54:in `require'
>>>>> 3: from /usr/share/rubygems/rubygems/core_ext/kernel_require.rb:54:in `require'
>>>>> 2: from /root/lkp-tests/lib/array_ext.rb:3:in `<top (required)>'
>>>>> 1: from /usr/share/rubygems/rubygems/core_ext/kernel_require.rb:54:in `require'
>>>>> /usr/share/rubygems/rubygems/core_ext/kernel_require.rb:54:in `require': cannot load such file -- active_support/core_ext/enumerable (LoadError)
>>>> Hi Josef,
>>>>
>>>> I tried the latest lkp-tests, and didn't have the problem. Could you please
>>>> update the lkp-tests repo and run "lkp install" again?
>>>>
>>> I updated it this morning, and I just updated it now, my tree is on
>>>
>>> 2c5b1a95b08dbe81bba64419c482a877a3b424ac
>>>
>>> lkp install says everything is installed except
>>>
>>> No match for argument: libipc-run-perl
>>
>> I've just fixed it. could you add "libipc-run-perl: perl-IPC-Run" to
>> the end of distro/adaptation/fedora?
>>
>> Thanks,
>> Rong Chen
>>
>>
>>>
>>> and it still doesn't run properly. Thanks,
>
> Hi, Josef,
>
> Do you have time to try it again? The latest lkp-tests code has the fix merged.

Ping...

Best Regards,
Huang, Ying

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