Date: Sun, 17 Sep 2000 02:36:22 +1100 (EST) From: Bruce Evans <bde@zeta.org.au> To: Jordan Hubbard <jkh@winston.osd.bsdi.com> Cc: John Baldwin <jhb@FreeBSD.org>, 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 Message-ID: <Pine.BSF.4.21.0009170219320.4666-100000@besplex.bde.org> In-Reply-To: <98695.969066547@winston.osd.bsdi.com>
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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
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