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Date:      Fri, 25 Jun 1999 16:14:51 -0400
From:      Keith Stevenson <k.stevenson@louisville.edu>
To:        freebsd-bugs@FreeBSD.ORG
Subject:   Re: kern/12381: Bad scheduling in FreeBSD
Message-ID:  <19990625161451.G20792@homer.louisville.edu>
In-Reply-To: <19990625161053.F20792@homer.louisville.edu>; from Keith Stevenson on Fri, Jun 25, 1999 at 04:10:53PM -0400
References:  <199906251830.LAA33688@freefall.freebsd.org> <19990625161053.F20792@homer.louisville.edu>

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On Fri, Jun 25, 1999 at 04:10:53PM -0400, Keith Stevenson wrote:
> From the renice(8) man page:
> 
> ...
>      fiats.)  The super-user may alter the priority of any process and set the
>      priority to any value in the range PRIO_MIN (-20) to PRIO_MAX. Useful
>      priorities are: 20 (the affected processes will run only when nothing
>      else in the system wants to), 0 (the ``base'' scheduling priority), any-
>      thing negative (to make things go very fast).
> 
> This sounds to me like a priority 20 process shouldn't get any CPU unless no
> other processes want CPU cycles.  Am I misreading something?  (Man page quote
> from 3.2-STABLE)

Never mind.  I just read PHK's note about rtprio.  All is much clearer now.
Perhaps an addition to the nice and renice man pages are in order?

Regards,
--Keith Stevenson--

-- 
Keith Stevenson
System Programmer - Data Center Services - University of Louisville
k.stevenson@louisville.edu
PGP key fingerprint =  4B 29 A8 95 A8 82 EA A2  29 CE 68 DE FC EE B6 A0


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