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On Thu 2007-11-22 21:29:51, Thomas Gleixner wrote: > On Thu, 22 Nov 2007, Pavel Machek wrote:> > > but perhaps somehow we miss this fact and fail to turn off the lapic > > > clockevents drivers?> > > > Ok, I guess I'm lost. If I offline second CPU, I immediately get > > 1000Hz timer tick... is that expected?> > Hmm. No. I have no idea why this is happening.> > 34196 total events, 55.083 events/sec> echo 0 >/sys/devices/system/cpu/cpu1/online> 36073 total events, 54.679 events/sec Strange... > Just to make sure what we are hunting: Do you have the same problem > with an non-pavel-tainted 2.6.24-rc3 ? The effect described above disappeared from both clean and tainted-pavel trees...? But I have verified again that time sleep 0.01 is perfectly willing to sleep for 0.9second on untainted 2.6.24-rc3... Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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