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SubjectRe: [sched/balance] INFO: possible recursive locking detected
On 03/13/2014 04:53 PM, Fengguang Wu wrote:
> On Thu, Mar 13, 2014 at 03:43:11PM +0800, Alex Shi wrote:
>> On 03/03/2014 10:25 PM, Fengguang Wu wrote:
>>> Greetings,
>>>
>>> I got the below dmesg and the first bad commit is
>>>
>>> https://github.com/alexshi/power-scheduling.git single-balance.bak
>>> commit 2adc591a5cb6768ad11e63be9011906aa171148d
>>> Author: Alex Shi <alex.shi@linaro.org>
>>> AuthorDate: Fri Feb 28 15:25:09 2014 +0800
>>> Commit: Alex Shi <alex.shi@linaro.org>
>>> CommitDate: Sun Mar 2 09:16:38 2014 +0800
>>>
>>> sched/balance: replace new_idle_balance
>>>
>>> Curren idle_balance will pull task on half of this group. That is
>>> not needed in central balance.
>>
>>
>> Thanks for your testing, Fengguang!
>>
>> I fixed this issue and updated to the git tree. Is the single-balance
>> branch still in your performance radar? :)
>
> Sure, however you know it's costly to queue tests for one single tree.
> If your trees are directly based on -rcX kernels, that would cut the
> tests required for comparison by half.

Thanks a lot! I will keep in mind for this point.
rebased on rc6 kernel for that branch. :)

Thanks again for generous help!

--
Thanks
Alex


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