Re: Ten percent test

Mike Galbraith
2007-04-06T09:07:57Z

On Fri, 2007-04-06 at 11:03 +1000, Con Kolivas wrote:
> On Thursday 05 April 2007 21:54, Ingo Molnar wrote:
> > - fiftyp.c: noticeable, but alot better than previously!
>
> fiftyp.c seems to have been stumbled across by accident as having an effect
> when Xenofon was trying to recreate Mike's 50% x 3 test case. I suggest a ten
> percent version like the following would be more useful as a test for the
> harmful effect discovered in fiftyp.c. (/me throws in obligatory code style
> change).
>
> Starts 15 processes that sleep ten times longer than they run. Change forks to
> 15 times the number of cpus you have and it should work on any size hardware.

I was more focused on the general case, but all I should have to do to
de-claw all of these sleep exploits is account rr time (only a couple of
lines, done and building now). It's only a couple of lines.

-Mike