On Sun, Mar 05, 2006 at 10:51:23AM +0100, Sylvain Coutant wrote: > Hi all, > > We run some router/firewall boxes and will probably face a load problem > soon. CPU takes much time in interrupt processing and I wonder if adding a > second one (going to SMP) would help to speed interrupts processing ? > > How will the interrupt handling load would share between CPUs if we > migrate to mp kernel with 2 or 4 CPUs ? > >
i'm not absolutely sure, but the current implementation uses the same cpu for all interrupts. Imo, adding cpus will not speed interrupts processing. -- Alexandre

