Hi.. On Fri, Aug 26, 2011 at 18:36, J.Hwan Kim <frog1120@xxxxxxxxx> wrote: > Hi, everyone > > My ethernet card always interrupts at Core 0 . > The driver of the device is using NAPI. > When NAPI is appled, does the core in which NAPI is processing vary? > Is the NAPI triggered by software interrupt, isn't it? if you mean "software interrupt" is somekind of timer, then I think yes. Instead of relying on interrupt coming from the devices, NAPI uses (tight) polling in order to match the speed of incoming/outgoing packet bursts. -- regards, Mulyadi Santosa Freelance Linux trainer and consultant blog: the-hydra.blogspot.com training: mulyaditraining.blogspot.com _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies