> > the astounding thing is that t1-t0 is often ~ 60,000 cycles. > > it only hits a small fraction of the time, and the average is > > much lower. but that just blows the mind. 60000 cycles! > > > > (other versions with sched were much worse.) > > > > as far as i can tell, there are no funny bits in the scheduler that > > can cause this, and no wierd scheduling is going on. > > > > i'm baffled. > > Could there've been a context switch?
the file server does not have context switches. - erik
