|From:||Mike Galbraith <efault-AT-gmx.de>|
|To:||Christoph Lameter <cl-AT-linux-foundation.org>|
|Subject:||Re: RFC: THE OFFLINE SCHEDULER|
|Date:||Tue, 25 Aug 2009 19:56:33 +0200|
|Cc:||raz ben yehuda <raziebe-AT-gmail.com>, riel-AT-redhat.com, mingo-AT-elte.hu, peterz-AT-infradead.org, andrew motron <akpm-AT-linux-foundation.org>, wiseman-AT-macs.biu.ac.il, lkml <linux-kernel-AT-vger.kernel.org>, linux-rt-users-AT-vger.kernel.org|
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
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