Re: [patch] preempt-timing-on-2.6.8-rc2-O2

William Lee Irwin III
2004-08-08T02:40:02Z

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.

-- wli