Messages in this thread | | | Subject | Re: linux with disabled interrupts | From | Lee Revell <> | Date | Wed, 20 Apr 2005 14:18:11 -0400 |
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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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