From owner-cvs-all Sat Sep 16 8:36:44 2000 Delivered-To: cvs-all@freebsd.org Received: from mailman.zeta.org.au (mailman.zeta.org.au [203.26.10.16]) by hub.freebsd.org (Postfix) with ESMTP id 1577037B422; Sat, 16 Sep 2000 08:36:38 -0700 (PDT) Received: from bde.zeta.org.au (bde.zeta.org.au [203.2.228.102]) by mailman.zeta.org.au (8.8.7/8.8.7) with ESMTP id CAA25610; Sun, 17 Sep 2000 02:36:25 +1100 Date: Sun, 17 Sep 2000 02:36:22 +1100 (EST) From: Bruce Evans X-Sender: bde@besplex.bde.org To: Jordan Hubbard Cc: John Baldwin , cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/kern kern_idle.c src/sys/vm vm_meter.c src/sys/i386/isa ithread.c src/sys/sys proc.h In-Reply-To: <98695.969066547@winston.osd.bsdi.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-cvs-all@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Fri, 15 Sep 2000, Jordan Hubbard wrote: > > - Add a new process flag P_NOLOAD that marks a process that should be > > ignored during load average calcuations. > > - Set this flag for the idle processes and the softinterrupt process. It shouldn't be set for the softinterrupt process since that process does useful work. > Yet another reason why the concept of a "load average" simply bites to > an increasing degree with any halfway rational OS, something Unix > hasn't always been exactly on the money with. You have this backwards. It bites to a decreasing degree now that interrupt processes are accounted for in the same way as user processes. (I don't think they should be. It costs a fairly heavyweight context switch including microtime() for each interrupt.) Bruce To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message