Messages in this thread | | | Date | Tue, 28 Feb 2006 13:27:38 -0600 | From | Matt Mackall <> | Subject | Re: ~5x greater CPU load for a networked application when using 2.6.15-rt15-smp vs. 2.6.12-1.1390_FC4 |
| |
On Thu, Feb 23, 2006 at 02:55:56PM -0500, Gautam H Thaker wrote: > The real-time patches at the URL below do a great job of endowing Linux with > real-time capabilities. > > http://people.redhat.com/mingo/realtime-preempt/ > > It has been documented before (and accepted) that this patch turns Linux into > a RT kernel but considerably slows down the code paths, esp. thru the I/O > subsystem. I want to provide some additional measurements and seek opinions > of if it might ever be possible to improve on this situation.
Are you using the SLAB or SLOB allocator in the -rt kernel?
-- Mathematics is the supreme nostalgia of our time. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |