How to get the average/max process scheduling latency

[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....)
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