Messages in this thread | | | From | Con Kolivas <> | Subject | Re: [PATCH] mm: yield during swap prefetching | Date | Wed, 8 Mar 2006 13:30:56 +1100 |
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On Wed, 8 Mar 2006 01:27 pm, Lee Revell wrote: > On Wed, 2006-03-08 at 13:22 +1100, Con Kolivas wrote: > > > How is the scheduler supposed to know to penalize a kernel compile > > > taking 100% CPU but not a game using 100% CPU? > > > > Because being a serious desktop operating system that we are > > (bwahahahaha) means the user should not have special privileges to run > > something as simple as a game. Games should not need special scheduling > > classes. We can always use 'nice' for a compile though. Real time audio > > is a completely different world to this. > > Actually recent distros like the upcoming Ubuntu Dapper support the new > RLIMIT_NICE and RLIMIT_RTPRIO so this would Just Work without any > special privileges (well, not root anyway - you'd have to put the user > in the right group and add one line to /etc/security/limits.conf). > > I think OSX also uses special scheduling classes for stuff with RT > constraints. > > The only barrier I see is that games aren't specifically written to take > advantage of RT scheduling because historically it's only been available > to root.
Well as I said in my previous reply, games should _not_ need special scheduling classes. They are not written in a real time smart way and they do not have any realtime constraints or requirements.
Cheers, Con
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