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SubjectRe: cgroup task groups appears sensitive to absolute magnitude of shares
Peter Zijlstra wrote:
> On Fri, 2008-10-10 at 08:03 +0200, Peter Zijlstra wrote:
>>On Thu, 2008-10-09 at 17:00 -0600, Chris Friesen wrote:

>>>Going to 4000/2000/1000/200 doesn't seem to give noticeable
>>>improvements, and going to 40000/20000/10000/2000 causes the test to
>>>behave unpredictably, either taking abnormally long to complete or else
>>>not completing at all.
>>
>>Hmm, I would have expected it to work for at least the normal nice range
>>of weight values..
>>
>>Will have to look into that I suppose..

> One thought, are you running 32 or 64 bit? If you're on 32, could you
> try 64? If that fixes it its probably an easy fix, otherwise I fear it
> might take a bit more..

No such luck, this is 64-bit (powerpc though, not x86). I tried
reproducing it again today and was unable to reproduce the hang, but saw
delays of up to 7 seconds (where the expected delay is 10 sec).

Chris


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