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

Paul Mackerras
2008-12-05T07:57:38Z

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"?

Paul.