Re: [patch 0/3] [Announcement] Performance Counters for Linux

From: Paul Mackerras
Date: Fri Dec 05 2008 - 02:57:49 EST

Peter Zijlstra writes:

> So, while most people would not consider two consecutive read() ops to
> be close or near the same time, due to preemption and such, that is
> taken away by the fact that the counters are task local time based - so
> preemption doesn't affect thing. Right?

I'm sorry, I don't follow the argument here. What do you mean by
"task local time based"?


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