Re: Statistical theory behind OProfile

On Sun, May 31, 2015 at 10:34 AM, Andi Kleen <[email protected]> wrote:
>
>> The environment I am working on is an armv5 board, which means I have
>> to use release 0.9.9 for software interrupts.
>
> That's a very poor environment for performance monitoring. Better use
> some system with a real PMU, where you can use event driven sampling,
> which tends to be more accurate than time driven sampling.

I would if I could.  Next project may have a better environment where
I could be given an updated board that can do hardware interrupts, but
for now it's an old system on an old board.

~Donald Johnson

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