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From: Jan Kiszka <>
To: Steven Rostedt <>
Cc: LKML <>,
	RT <>, Ingo Molnar <>,
	Thomas Gleixner <>
Subject: Re:
Date: Tue, 26 Feb 2008 18:15:56 +0100	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

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

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).


Siemens AG, Corporate Technology, CT SE 2
Corporate Competence Center Embedded Linux

      reply	other threads:[~2008-02-26 17:16 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-22  0:24 Steven Rostedt
2008-02-26 10:29 ` Jan Kiszka
2008-02-26 12:01   ` Jan Kiszka
2008-02-26 15:15     ` Steven Rostedt
2008-02-26 15:38       ` Jan Kiszka
2008-02-26 16:55         ` Steven Rostedt
2008-02-26 17:15           ` Jan Kiszka [this message]

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