Date: Sat, 31 Jan 2004 23:01:20 -0500 (EST) From: Jeff Roberson <jroberson@chesapeake.net> To: Don Lewis <truckman@FreeBSD.org>, <iedowse@FreeBSD.org> Cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/kern sched_4bsd.c Message-ID: <20040131230048.A36463-100000@mail.chesapeake.net> In-Reply-To: <200402010335.i113Yt7E096311@gw.catspoiler.org>
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On Sat, 31 Jan 2004, Don Lewis wrote: > On 31 Jan, Jeff Roberson wrote: > > jeff 2004/01/31 18:46:47 PST > > > > FreeBSD src repository > > > > Modified files: > > sys/kern sched_4bsd.c > > Log: > > - Keep a variable 'sched_tdcnt' that is used for the local implementation > > of sched_load(). This variable tracks the number of running and runnable > > non ithd threads. This removes the need to traverse the proc table and > > discover how many threads are runnable. > > I was suprised to find that processes in disk wait are no longer counted > towards the load average. This happened in rev 1.163 of kern_synch.c, > which was committed more than two years ago. > > Even if CPU time is available, a machine with a lot of processes stuck > in disk wait is going to feel slow ... > I wonder if iedowse has anything to say about this.. Cheers, Jeff
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