Marcus Meissner wrote:
On Wed, Oct 25, 2006 at 09:52:47AM -0500, Stan Glasoe wrote:
On Wednesday 25 October 2006 04:23, Mark Hounschell wrote:
Might someone know the specifics of what this really is. The web site is vague. I'm interested in knowing if the kernel used is based on Ingo Molnars -rt patch set and if its glibc has PI enabled mutex support (2.5). Is it anything more than SLES-10 with these 2 things.
If the kernel is based on Ingo's -rt patch set will they possibly be including this support in SuSE-10.2 kernel? Can anyone already using Beta 10.2 releases say if their kernel source config options include a "Complete Preemption (Real-Time) (PREEMPT_RT)" in the "Processor and features" section?
SLERT is more based on Concurrent work, not Redhat.
10.2 uses the 2.6.18 mainline kernel + some small patches.
Ciao, Marcus
I've had a chance to look at this in some detail. It is in fact not using Ingo's rt patch set and does use another on top of what appears to be SuSE's kernel that shipped with SuSE-10.1. This other patch set includes some things that are also in Ingo's (HRT, PI, etc.) but has some unique things. It also has Concurrents IDE which is claimed to be pretty nice. When loaded on top of SLES-10 no already built applications will benefit from the added hooks to its kernel or glibc. In order to get any Real-Time response you have to write your program using their API via their library using hooks into their kernel. I haven't actually tried to write or modify a program to test the accuracy of their <= 30 usec latency claims yet but I have my doubts. Here is the one I will use though. ftp://ftp.compro.net/public/rt-exec/rt-exec-1.0.3.tar.bz2 Mark