How to understand, what userland program does in kernel?

[Lev Serebryakov]

Hello, Lev.
You wrote 4 мая 2011 г., 16:49:01:

>   I have userland program (transmission BT client), which spent 100%
> of one core of E4500 CPU when it has many peers. It is surprises me,
> as channel is only 35Mbit, and my "Linux" friends can upload much more
> on comparable hardware.
>   But what surprises me even more, that 50% of this time it spends as
> System time.
  When it spents, says, 75% of one core, SYSTEM is only 1-2%, not
 75%/2 =~ 37%, what is interesting...

-- 
// Black Lion AKA Lev Serebryakov <lev at FreeBSD.org>