Re: [Lse-tech] [patch] sched-domain cleanups, sched-2.6.5-rc2-mm2-A3

Ingo Molnar
2004-03-25T20:46:33Z

* Andi Kleen <ak@suse.de> wrote:

> That won't help for threaded programs that use clone(). OpenMP is such
> a case.

this patch:

redhat.com/~mingo/scheduler-patches/sched-2.6.5-rc2-mm3-A4

does balancing at wake_up_forked_process()-time.

but it's a hard issue. Especially after fork() we do have a fair amount
of cache context, and migrating at this point can be bad for
performance.

Ingo