Re: Reading perf counters at ftrace trace boundaries

Karim Yaghmour
2013-08-12T02:00:11Z

On 13-08-11 10:47 PM, Andi Kleen wrote:
> That's what normal sampling already does.
>
> If you're worried about systematic shadow effects just randomize a bit.

That's actually the point. I'd like to be able to study/compare both
approaches. I could be completely off, but I'd like to see if a divide
and conquer approach (i.e. based on ftrace) wouldn't take the guesswork
out of smart randomization. Just a hunch.