Messages in this thread | | | Subject | Re: [patch] preempt-timing-on-2.6.8-rc2-O2 | From | Lee Revell <> | Date | Sat, 07 Aug 2004 22:47:09 -0400 |
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On Sat, 2004-08-07 at 22:39, William Lee Irwin III wrote: > On Sat, 2004-08-07 at 22:33, William Lee Irwin III wrote: > >> This seems to be 996us spent in do_IRQ() when it interrupts idle tasks. > > On Sat, Aug 07, 2004 at 10:36:55PM -0400, Lee Revell wrote: > > I am not sure I understand how preemption can be disabled for 996us and > > not cause an xrun. > > You were idling at the time, so the latency affected nothing, except > perhaps task migration on SMP. >
Would it be possible to detect this situation and treat it like a preemptible section, just so the sheer volume of printks does not cause a problem?
Lee
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