On Sun, 6 Jul 2003, Daniel Phillips wrote:
> On Sunday 06 July 2003 03:28, Jamie Lokier wrote:
> >
> > Your last point is most important. At the moment, a SCHED_RR process
> > with a bug will basically lock up the machine, which is totally
> > inappropriate for a user app.
>
> How does the lockup come about? As defined, a single SCHED_RR process could
> lock up only its own slice of CPU, as far as I can see.
They're de-queued and re-queue in the active array w/out having dynamic
priority adjustment (like POSIX states). This means that any task with
lower priority will starve if the RR task will not release the CPU.
- Davide
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Mon Jul 07 2003 - 22:00:26 EST