On Fri, 2008-28-03 at 21:26 +0800, Herbert Xu wrote:

I agree that using jiffies is a pretty coarse approximation of
proper scheduling.  However, in the absence of a better solution
we have to live with it.

I know it works well enough and has for years; sure you could do better
but i wasnt questioning the solution - more than anything on my part
that was curiosity.

Perhaps running these out of process context is the correct
approach.

I saw something from Max Krasnyansky along those lines but havent quiet
followed it up. Should be interesting to see the effect over a large
types of workloads.

cheers,
jamal