Re: [RFC] Scheduler queue implementation ...

From: Alan Cox (
Date: Sun Dec 09 2001 - 20:18:16 EST

> > of non cpu hog processes running. A lot of messaging systems have high task
> > switch rates but very few cpu hogs. So you still need to handle the non hogs
> > carefully to avoid degenerating back into Linus scheduler.
> In my experience, if you've I/O bound tasks that lead to a long run queue,
> that means that you're suffering major kernel latency problems ( other than the
> scheduler ).

I don't see any evidence of it in the profiles. Its just that a lot of stuff
gets passed around between multiple daemons. You can see similar things
in something as mundane as a 4 task long pipe, a user mode file system or
some X11 clients.
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This archive was generated by hypermail 2b29 : Sat Dec 15 2001 - 21:00:16 EST