Date: Fri, 25 Jun 1999 06:40:04 -0700 (PDT) From: Sheldon Hearn <sheldonh@uunet.co.za> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/12381: Bad scheduling in FreeBSD Message-ID: <199906251340.GAA61879@freefall.freebsd.org>
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The following reply was made to PR kern/12381; it has been noted by GNATS. From: Sheldon Hearn <sheldonh@uunet.co.za> To: Thomas Schuerger <schuerge@wjpserver.CS.Uni-SB.DE> Cc: freebsd-gnats-submit@freebsd.org Subject: Re: kern/12381: Bad scheduling in FreeBSD Date: Fri, 25 Jun 1999 15:31:25 +0200 On Fri, 25 Jun 1999 14:47:54 +0200, Thomas Schuerger wrote: > Not quite. The second PR states that FreeBSD uses a strange 2:1 > time-slicing when having two CPU-intensive processes, one in the > foreground and one in the background. In the first PR, I stated that > also any I/O is very much affected by long-runners in the background, > so that even processes not requiring much CPU-time but depending on > I/O (network, disks) are affected. So surely the "problem" in the first PR would "go away" if the "problem" in the second were resolved? By the way, when you did your comparison with Solaris, were you watching CPU time spent in system? Ciao, Sheldon. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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