Re: Interesting scheduling times

Petko Manolov (petkan@varel.bg)
Thu, 17 Sep 1998 17:17:15 +0000


Richard Gooch wrote:
>
> Petko Manolov writes:
> > I did a little different test on my pentium 166 MMX:
> >
> > kernel 2.0.35 5us
> > kernel 2.1.121 6us
> > kernel 2.1.122 6us - 7us
> > kernel 2.1.122 9us (under X Windows???)
>
> Did you run it as root? If you don't, the programme competes with X
> for time. Running it as root allows it to grab all the CPU it wants,
> and thus gives a more accurate test.

Yes, i was root during all tests.
But i thought that software switch is faster than
hardware. Other point is if this times can be correctly
computed from user level?

Petkan

-- 
Petko Manolov - petkan@varel.bg
http://www.varel.bg/~petkan

- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/