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SubjectRe: linux with disabled interrupts
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On Wed, 2005-04-20 at 18:05 +0000, Francesco Oppedisano wrote:
> Hi,
> i'd like to know how much time does linux kernel run with disabled
> interrupts. So i would like to remap the instructions capable of
> disabling interrupt to other ones which count how much this time is...
> Does already exist a patch or tool capable to give me a magnitude
> order of the time spent by the kernel with disables interrupts?

http://people.redhat.com/mingo/realtime-preempt

Lee

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