Buh, it seems then i'll need to get a kernel from a PPA or compile it myself. A bit afraid of it, honestly. Thanks for the explanation!
Andras On Sat, Jun 26, 2010 at 12:50 PM, Ricardo Lameiro <[email protected]>wrote: > well, AFAIK, the "RT" Kernel is a generic kernel that is modified by a > special patch, that is made by Ingo Molnár. This patch gives the kernel the > ability to have a behavior that allows the assignment of time frames and > allocations to compute "rt" flagged tasks. Maybe this could be translated to > the scheduler.In the other hand, the preemptive kernel, its a normal Generic > kernel, that its compiled with different options. At compile time, the > configuration of the scheduler and company are configured more aggressively > to give a better response to the "rt" flagged apps. > > As my opinion, that is worth nothing...., the preemptive kernels are > comming into a very good level, since the main tree ot the generic kernel, > has absorbing parts of Ingo's patches. But, still, the RT kernel is way more > accurate on the scheduling etc. problem is that, RT kernels are in nature > more Power hungry, and by the nature of its working, they could hang easily > a computer, keeping only processing an high prio task. > > If I said something wrong, please correct me, I have looked at this stuff > since a year to try to understand it better, so if someone can explain it > better, please do. > > Ricardo Lameiro > > > > 2010/6/26 Andre "Osku" Schmidt <[email protected]> > > On Fri, 2010-06-25 at 22:17 +0200, András Murányi wrote: >> > Hello people, >> > >> > does anyone know what is the real difference between an 'rt' and a >> > 'preempt' kernel in linux? >> >> dunno, but here's a pretty interesting talk about real-time kernel >> >> http://lac.linuxaudio.org/2010/recordings/day2_1045_How_the_Real_Time_Kernel_Helps_Audio_and_Video_Applications.ogv >> >> >> >> _______________________________________________ >> [email protected] mailing list >> UNSUBSCRIBE and account-management -> >> http://lists.puredata.info/listinfo/pd-list >> > > > > -- > Fagote / Contrafagote > Bassoon / Contra-bassoon > http://myspace.com/ricardolameiro > > _______________________________________________ > [email protected] mailing list > UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list > >
_______________________________________________ [email protected] mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
