Date: Sat, 31 Jan 2004 22:45:32 -0800 (PST) From: Don Lewis <truckman@FreeBSD.org> To: bde@zeta.org.au Cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/kern sched_4bsd.c Message-ID: <200402010645.i116jW7E096596@gw.catspoiler.org> In-Reply-To: <20040201165625.U7412@gamplex.bde.org>
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On 1 Feb, Bruce Evans wrote: > On Sat, 31 Jan 2004, Don Lewis wrote: >> 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 ... > > They were never counted AFAIK. Isn't this one of the main visible > differences between BSD and Linux? I think SunOS 4.x also counts this. > Rev.1.163 ov kern_synch.c just moved > stuff. The change before this in rev.1.59 of vm_meter.c is more likely > to have changed this but was supposed to just remove dead code. Yup, I missed the change in 1.59. I did a binary search to find the version in vm_meter.c and found a slightly older version before the SSLEEP code had been removed.
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