[PATCH v4] Improve the performance of --num-threads -d 31

["Zhou, Wenjian/周文剑"]

Hello Minfei,

How do these two patches work?

-- 
Thanks
Zhou

On 03/18/2016 01:48 PM, "Zhou, Wenjian/周文剑" wrote:
> On 03/18/2016 12:16 PM, Minfei Huang wrote:
>> On 03/18/16 at 10:46am, "Zhou, Wenjian/周文剑" wrote:
>>> Hello Minfei,
>>>
>>> Since I can't produce the bug, I reviewed the patch and wrote an increment patch.
>>> Though there are some bugs in the increment patch,
>>> I wonder if the previous bug still exists with this patch.
>>> Could you help me confirm it?
>>
>> Ok. I will help verify this increasing patch.
>>
>
> Thank you very much.
>
>>>
>>> And I have another question.
>>> Did it only occur in patch v4?
>>
>> This issue doesn't exist in v3. I have pasted the test result with
>> --num-thread 32 in that thread.
>>
>> applied makedumpfile with option -d 31 --num-threads 32
>> real    3m3.533s
>
> Oh, then the patch in the previous mail may not work.
>
> I'm appreciated if you can also test the patch in this letter.
>
> I introduced semaphore to fix the bug in the v3.
> So I want to know if it is this which affects the result.
> The attached patch is based on v4, used to remove semaohore.
>
>
>
> _______________________________________________
> kexec mailing list
> kexec at lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/kexec
>