Messages in this thread | | | Subject | Re: Latency traces I cannot interpret (sa1100, 2.6.15-rc7-rt1) | From | Daniel Walker <> | Date | Fri, 30 Dec 2005 05:07:25 -0800 |
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On Fri, 2005-12-30 at 08:44 +0100, Ingo Molnar wrote: > there seem to be leaked preempt counts: > > <idle>-0 0.n.1 8974us : touch_critical_timing (cpu_idle) > > we should never have preemption disabled in cpu_idle(). To debug leaked > preemption counts, enable CONFIG_DEBUG_PREEMPT.
ARM does disable preemption in cpu_idle() .
Daniel
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