[c-nsp] Wr mem causes massive delay...

Saku Ytti saku at ytti.fi
Mon Jan 25 15:50:49 EST 2010


On (2010-01-25 14:00 -0600), Tony Varriale wrote:
 
> >Assuming the config isn't huge and your router isn't already
> >oversubbed you shouldn't be able to tell.

It doesn't really matter, interrupt is interrupt, while compiling the
config is what you can do, when you don't have packets to push, but the
point you're writing it, there is today interrupt and it does interfere
measurably with packet pushing, even if your CPU load is very small, in
fact it makes the spotting easier, since then your jitter is extremely
small and smaller deviation can be reliably picked up from measurements.
But again, if OP is seeing this reliably with ping sent every 1s, this is
real issue, not expected behaviour.

-- 
  ++ytti


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