Polling and Sleep in a Driver

[Alfred Perlstein]

* Len Gross <sandiegobiker at gmail.com> [081019 07:49] wrote:
> I have a MAC protocol written using Netgraph.   It runs in userland
> and uses a simple poll, sleep loop.  It has proved that the algorithms
> are correct, but the sleeps are not regular/accurate enough for my
> purposes.  (I have pushed Hz up quite a bit with no real effect)
> 
> If I were to implement the algorithms within a driver would the sleeps
> still suffer from the same "non real-time" behaviour I see in
> userland?
> 
> Thanks in advance.

Try hooking hardclock(), just be careful.

-Alfred