Date: Wed, 25 Jan 2006 23:09:28 +0100 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: Scott Long <scottl@samsco.org> Cc: Peter Jeremy <PeterJeremy@optushome.com.au>, current@freebsd.org, arch@freebsd.org Subject: Re: [TEST/REVIEW] CPU accounting patches Message-ID: <41487.1138226968@critter.freebsd.dk> In-Reply-To: Your message of "Wed, 25 Jan 2006 14:37:43 MST." <43D7EFA7.2060309@samsco.org>
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In message <43D7EFA7.2060309@samsco.org>, Scott Long writes: >Regardless of the technical merits of one accounting method or another, >changing the results of rusage is going to result in many years of >questions to the mailing lists and grumbling from uneducated sysadmins >that FreeBSD is somehow inferior because of this one detail. I know >that's an emotional argument and not a technical one, but it's also >important to consider. Well, there is up to 30% improvement in contextswitches to pay for the grumbling. I think more people care about context switches than cpu accounting, but I also think they may not know this. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.
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