[users at bb.net] buildbot CPU usage

[Francesco Di Mizio]

I've tried and it's not an easy task because of my Win into Vagrant into
Docker setup.
I'll try again soon when I get a Linux  box!

On Fri, Aug 19, 2016 at 5:54 PM, Vasily <just.one.man at yandex.ru> wrote:

> Umm, no. VTune has Python support starting 2017 Beta, and, well, it was my
> team (at Intel) work actually :-)
>
> P.S. I'm from Intel, too.
>
> Thanks,
> Vasily
> 19 авг. 2016 г. 18:17 пользователь "Francesco Di Mizio" <
> francescodimizio at gmail.com> написал:
>
> I had thought you were making fun of Intel somehow ;)
>>
>> On Aug 19, 2016 5:07 PM, "Pierre Tardy" <tardyp at gmail.com> wrote:
>>
>> ahah
>>
>> I though this was a taunt on me being employed by Intel.
>> I actually had mitigated experience with vtune few years ago, and didn't
>> know they had python support until then.
>> Being an opensource guy, I usually neglegate to look at proprietary stuff.
>>
>> Pierre
>>
>> Le ven. 19 août 2016 à 12:18, Vasily <just.one.man at yandex.ru> a écrit :
>>
>>> I'm again suggesting to look into Python profiling capabilities of
>>> Intel® VTune™ Amplifier. It could run statistical profiling for a long time
>>> and display CPU usage over time, so the developer can look at specific time
>>> range where CPU usage was too high and see which functions were executed.
>>>
>>> Thanks,
>>> Vasily
>>> 19 авг. 2016 г. 11:57 пользователь "Pierre Tardy" <tardyp at gmail.com>
>>> написал:
>>>
>>> Hi Francesco,
>>>>
>>>> Your described setup looks sane to me.
>>>>
>>>> The problems we are trying to catch are cpu spikes, as far as I
>>>> understand, which does not happen for very long, but are very annoying for
>>>> users, as it is blocking the reactor.
>>>>
>>>> This problem is not easy to see in the profile you sent, as this
>>>> profile is over long time, so we see the average of each method during the
>>>> day and not the spikes.
>>>>
>>>> What would really be needed is a on-demand profiler which would detect
>>>> cpu spikes and only log the stack traces during those times.
>>>>
>>>> Here is a nice blog pst explaining why statistic profiling is cool and
>>>> easy to implement in python.
>>>> https://nylas.com/blog/performance
>>>>
>>>> For 0.9.1 I want to concentrate on scalability, and write a debugging
>>>> ui plugin based on those ideas (and probably code)
>>>>
>>>> That would be great if your team can help on that matter.
>>>>
>>>> Regards,
>>>> Pierre
>>>>
>>>
>>
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