SMP kernels on single processor machines
benh at kernel.crashing.org
Sat May 22 09:11:26 EST 2004
On Fri, 2004-05-21 at 22:58, Marius Groeger wrote:
> FWIW, CONFIG_PREEMPT _does_ reduce the avarage scheduling latency.
> It's still sort of soft real-time, but the effect is measurable (I'm
> talking 2.4 kernels here, BTW) However, on desktop systems you
> probably don need to worry about this, but for an embedded system you
> may like the slightly improved reaction time.
Well... average latency is mostly meaningless, only peak latency really
matters for anything that need some sort of real time imho...
** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/
More information about the Linuxppc-dev