Messages in this thread | | | Date | Wed, 12 Jun 2002 20:37:03 +0200 | From | Ingo Oeser <> | Subject | Re: [PATCH] scheduler hints |
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On Fri, Jun 07, 2002 at 01:32:31PM +0200, Pavel Machek wrote: > > Boosting its priority will assure there is no priority inversion and > > that, eventually, the task will run - but it does nothing to avoid the > > nasty "grab resource, be preempted, reschedule a bunch, finally find > > yourself running again since everyone else blocked" issue. > > > > And I don't think only root should be able to do this. If we later > > punish the task (take back the timeslice we gave it) then this is > > fair. > > Another possibility might be to allow it to *steal* time from another > processes... Of course only processes of same UID ;-). > Pavel
Good idea!
And I would say SID instead of UID and give up, if no task in the same SID is runnable.
One could provide different policies here, which the user can choose/combine.
That way we aren't at least unfair to other users on our remote machine.
Regards
Ingo Oeser -- Science is what we can tell a computer. Art is everything else. --- D.E.Knuth - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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