Re: fwd: Scheduler activations (IIRC) question

Jamie Lokier wrote:
> Dan Kegel wrote:
> 
>>Jamie Lokier is heading down the KSE / kernel activations
>>pathway because he still thinks kernel threads are wrong.
> 
> Kernel threads are not wrong in fact I am using them!

Sorry for the loose wording!

> I'm doing the same thing that folks who use epoll() are doing: lots of
> state machines, few stacks.  Not all my state machines are I/O
> related; some of them are more like scheduled objects in a game or
> network stack.

There are several userspace libraries that wrap around epoll
and add a priority queue of wakeup timers, fwiw, so at least
for the scheduled objects, no new magic is required.  But that
doesn't help with disk I/O, which was your real thrust, I think.

I'll let the AIO experts address that...
- Dan

-- 
Dan Kegel
http://www.kegel.com
http://counter.li.org/cgi-bin/runscript/display-person.cgi?user=78045