From owner-freebsd-questions Fri Jun 16 11:22: 8 2000 Delivered-To: freebsd-questions@freebsd.org Received: from karon.dynas.se (karon.dynas.se [192.71.43.4]) by hub.freebsd.org (Postfix) with SMTP id 123F137BFDF for ; Fri, 16 Jun 2000 11:22:05 -0700 (PDT) (envelope-from mikko@dynas.se) Received: (qmail 49671 invoked from network); 16 Jun 2000 18:22:03 -0000 Received: from spirit.sto.dynas.se (HELO spirit.dynas.se) (172.16.1.10) by karon.sto.dynas.se with SMTP; 16 Jun 2000 18:22:03 -0000 Received: (qmail 23048 invoked from network); 16 Jun 2000 18:22:03 -0000 Received: from m2.dynas.se (172.16.1.168) by spirit.dynas.se with SMTP; 16 Jun 2000 18:22:03 -0000 Received: (from mikko@localhost) by m2.dynas.se (8.9.3/8.9.3) id UAA94616; Fri, 16 Jun 2000 20:25:41 +0200 (CEST) (envelope-from mikko) Date: Fri, 16 Jun 2000 20:25:41 +0200 (CEST) From: Mikko Tyolajarvi Message-Id: <200006161825.UAA94616@m2.dynas.se> To: sl@dnt.md Cc: freebsd-questions@freebsd.org Subject: Re: ntpd running at NICE -12 Newsgroups: local.freebsd-questions References: X-Newsreader: NN version 6.5.6 (NOV) Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG In local.freebsd-questions you write: >Hello >Can anyone explain why ntpd needs to run at NICE -12 by default? Most likely because it is a rather time-critical application. I think it also locks itself into core memory for the same reason. When it is adjusting the clock of your computer by a number of microseconds, it is undesirable for it to have to wait milliseconds to get scheduled, or swapped in from disk. /Mikko -- Mikko Työläjärvi_______________________________________mikko@rsasecurity.com RSA Security To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message