Messages in this thread | | | Date | Wed, 14 Apr 2004 17:12:55 +0200 | From | Arjan van de Ven <> | Subject | Re: Shielded CPUs |
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On Wed, Apr 14, 2004 at 11:11:47AM -0400, Calin A. Culianu wrote: > On Wed, 14 Apr 2004, Arjan van de Ven wrote: > > > On Wed, 2004-04-14 at 16:23, Calin A. Culianu wrote: > > > This might be a bit off-topic (and might belong in the rtlinux mailing > > > list), but I wanted people's opinion on LKML... > > > > > > There's an article in the May 2004 Linux Journal about some CPU affinity > > > features in Redhawk Linux that allow a process and a set of interrupts to > > > be locked to a particular CPU for the purposes of improving real-time > > > performance. > > > > well you can do both of those already in 2.6 and in all recent vendor > > 2.4's that I know of..... no patches needed. > > > Cool.. it's still not, strictly speaking, _hard_ realtime, though, is it? > Simply really good soft-realtime, right?
yep. Hard real time means you need to get a hard RT OS code. Simple as that. And you'll always see that those cores are kept relatively small so that the vendor can basically prove it's RT correctness. [unhandled content-type:application/pgp-signature]
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