On Tue, 2010-08-24 at 10:14 +0200, Ingo Molnar wrote:
quoted text
> Right, andthis connects to something Frederic sent a few RFC patches for 
> some time ago: finegrained irq/softirq perf stat support. If we do 
> something in this area we need a facility that enables both types of 
> statistics gathering. 

That facility is called irq_enter() and irq_exit() etc..
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