Messages in this thread | | | Subject | Re: [RFC/RFT PATCH v3] sched: automated per tty task groups | From | Mike Galbraith <> | Date | Thu, 18 Nov 2010 19:28:21 -0700 |
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On Fri, 2010-11-19 at 02:23 +0100, Samuel Thibault wrote: > Mike Galbraith, le Thu 18 Nov 2010 18:12:37 -0700, a écrit : > > I think that could be done with a fork flag with the same semantics as > > reset on fork. Once your task launcher (ala kdeinit) is tagged, it > > launches task groups, the children lose that ability. > > Mmm, even if always creating groups can have a slight overhead, you > should probably not prevent userspace from deciding to do so when it > knows it's appropriate.
I think you may have misunderstood. The flag would be a hint that userland can set to say "I want to fork off task groups", just as SCHED_RESET_ON_FORK asks the kernel to reset a child's sched class and nice level on fork.
-Mike
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