Messages in this thread | | | Date | Thu, 13 Dec 2001 22:42:25 +0100 | From | Pavel Machek <> | Subject | Re: [PATCH] Make highly niced processes run only when idle |
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Hi!
> > Please don't. Whenever you think you priority inheritance, it's a sign your > > system has got too complicated. The simplest solution is to simply have no > > priorities when a task is in-kernel (or at least non that can completely > > exclude a task). > > I agree, I said it was overkill. > > My solution is going to be to schedule the task as a SCHED_OTHER task > when in the kernel, and as SCHED_IDLE task otherwise.
Yep, and you can do it without making syscalls any slower, and patch was already on l-k.
Use ptrace-hooks for branching into your priority-promoting code, and you'll have 0 impact on fast path.
Pavel -- "I do not steal MS software. It is not worth it." -- Pavel Kankovsky - 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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