The core in which NAPI is using

[Mulyadi Santosa]

Hi..

On Fri, Aug 26, 2011 at 18:36, J.Hwan Kim <frog1120 at gmail.com> 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