Date: Mon, 20 Jul 1998 15:48:58 -0700 (PDT) From: Doug White <dwhite@resnet.uoregon.edu> To: Cejka Rudolf <cejkar@dcse.fee.vutbr.cz> Cc: "freebsd-questions@freebsd.org" <freebsd-questions@FreeBSD.ORG> Subject: Re: Bug in the process-scheduler & niceness of 20? Message-ID: <Pine.BSF.4.00.9807201548240.16885-100000@resnet.uoregon.edu> In-Reply-To: <199807171045.MAA11466@kazi.dcse.fee.vutbr.cz>
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On Fri, 17 Jul 1998, Cejka Rudolf wrote: > Yes, ok. But why is niceness control _so very_ insensitive? > How can I increase nice sensitivity? Hack the kernel? > Example: > > 1. process with nice = 0: CPU = 65 % > 2. process with nice = 20: CPU = 30 % > > Ratio 2:1 is _too_ small. How can I reach ratio 5:1 or bigger? > idprio is unusable for this purpose. Time ratio reacheble with idprio > is 1:1 or infinity:none. Don't forget that the kernel gets some of that. What are you running that requires so much precision? Doug White | University of Oregon Internet: dwhite@resnet.uoregon.edu | Residence Networking Assistant http://gladstone.uoregon.edu/~dwhite | Computer Science Major To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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