Re: RFC: THE OFFLINE SCHEDULER

Mike Galbraith
2009-08-25T17:56:33Z

On Tue, 2009-08-25 at 11:23 -0400, Christoph Lameter wrote:
> On Sun, 23 Aug 2009, Mike Galbraith wrote:
>
> > The rest, I'll leave off replying to, we're kinda splitting hairs. I
> > don't see a big generic benefit to OFFSCHED or ilk, others do.
>
> No we are not splitting hairs. OFFSCHED takes the OS noise (interrupts,
> timers, RCU, cacheline stealing etc etc) out of certain processors. You
> cannot run an undisturbed piece of software on the OS right now.

I asked the questions I did out of pure curiosity, and that curiosity
has been satisfied. It's not that I find it useless or whatnot (or that
my opinion matters to anyone but me;). I personally find the concept of
injecting an RTOS into a general purpose OS with no isolation to be
alien. Intriguing, but very very alien.

-Mike