How to get the average/max process scheduling latency

[Teto]

Thanks for the answer.

Do you know any tool/software to retrieve the average latency for a
specific program on a specific platform. This is to modelize the
application rate for data processing.



2014-06-19 22:16 GMT+02:00  <Valdis.Kletnieks at vt.edu>:
> On Mon, 16 Jun 2014 18:23:56 +0200, Teto said:
>
>> I could not find an answer yet. I've found that on latest kernel
>> latency is on average around 3us with a max at 64us (I consider a
>> moderate load). Is that correct ?
>
> Depends on your hardware and system load.  I'd hardly expect the same numbers
> from a busy Beaglebone or Raspberry Pi as from a idle high-end Intel i7 system....
>
> (And things like processors that drop into sleep states when idle, with
> a latency hit to wake up, just add to the confusion....)