Re: RFC: THE OFFLINE SCHEDULER
[Posted September 2, 2009 by jake]
| From: |
| Christoph Lameter <cl-AT-linux-foundation.org> |
| To: |
| Mike Galbraith <efault-AT-gmx.de> |
| Subject: |
| Re: RFC: THE OFFLINE SCHEDULER |
| Date: |
| Tue, 25 Aug 2009 11:23:51 -0400 (EDT) |
| Message-ID: |
| <alpine.DEB.1.10.0908251122020.26329@gentwo.org> |
| 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 |
| Archive-link: |
| Article, Thread
|
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.
(
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