Re: single copy pipe/fifo

From: David S. Miller (
Date: Wed Feb 07 2001 - 15:51:11 EST

Manfred Spraul writes:
> * if you run 2 instances on a dual cpu P II/350 it's a big win, but if
> you run only one instance, then the bw_pipe processes will jump from one
> cpu to the other and it's only a small improvement (~+15%).

wake_up_interruptible_sync is meant specifically to avoid
this cpu hopping behavior.

David S. Miller
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