Re: 2.6.24.2-rt2
From: Jan Kiszka
Date: Tue Feb 26 2008 - 12:16:40 EST
Steven Rostedt wrote:
>
> On Tue, 26 Feb 2008, Jan Kiszka wrote:
>>> What's the NUMA topology?
>> 4 nodes. I'm not sure if it is really NUMA related, but the same kernel
>> runs that test as expected on a non-NUMA 2x2 box.
>>
>>> What tasks are running, and at what priorities?
>> 40 pthreads, created with default parameters from a main thread which
>> runs with default parameters as well. The threads simply run endless loops.
>>
>>> Those three idle CPUS, should they have tasks running on them?
>> For sure, given the overload situation of the system (40x full load vs.
>> 16 cores). Neither did we fiddle with any parameter of the system
>> (knowingly, its a standard openSUSE 10.3 underneath) nor did we set
>> thread affinities.
>>
>
> Do you get different behaviour with 2.6.24.2?
Last time I checked mainline (I think 2.6.24), it was fine. It was
definitely fine for 2.6.23. But I'm going to revalidate this once the
machine is free again (tomorrow).
Jan
--
Siemens AG, Corporate Technology, CT SE 2
Corporate Competence Center Embedded Linux
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