Re: 2.6 vs 2.4 regression when running gnomemeeting

Ingo Molnar
2003-12-21T09:14:59Z

* Christian Meder <chris@onestepahead.de> wrote:

> I tried to verify your suggestion and found that the P_RTEMS symbol is
> not defined on Linux. It seems to be some other kind of realtime
> operating system. So the code in question already uses usleep. Now I'm
> still digging for other occurances of sched_yield in the pwlib
> sources.

could you try to strace -f gnomemeeting? Maybe there's no sched_yield()
at all. Could you also try to run the non-yielding loop code via:

nice -19 ./loop &

do a couple of such loops still degrade gnomemeeting?

Ingo