Re: [ISSUE] sched/cgroup: Does cpu-cgroup still works fine nowadays?

[Michael wang]

On 05/13/2014 09:36 PM, Rik van Riel wrote:
[snip]
>>
>> echo 2048 > /cgroup/c/cpu.shares
>>
>> Where [ABC].sh are spinners:
> 
> I suspect the "are spinners" is key.
> 
> Infinite loops can run all the time, while dbench spends a lot of
> its time waiting for locks. That waiting may interfere with getting
> as much CPU as it wants.

That's what we are thinking, also we assume that by introducing load
decay mechanism, it become harder for the sleepy tasks to gain enough
slice, well, that currently just imagination, more investigation is
needed ;-)

Regards,
Michael Wang

> 

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