Date: Mon, 31 Jan 2005 07:54:04 -0800 (PST) From: Arne "Wörner" <arne_woerner@yahoo.com> To: Robert Watson <rwatson@FreeBSD.org>, "Jim C. Nasby" <decibel@decibel.org> Cc: freebsd-performance@freebsd.org Subject: Re: Automated performance testing Message-ID: <20050131155404.51807.qmail@web41207.mail.yahoo.com> In-Reply-To: <Pine.NEB.3.96L.1050131152227.35704J-100000@fledge.watson.org>
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--- Robert Watson <rwatson@FreeBSD.org> wrote: > On Sun, 30 Jan 2005, Jim C. Nasby wrote: > > With all the discussion of performance testing between 4.11, > > 5.3, and Linux, would it be useful to make performance > > testing part of the automated testing that already occurs > > (via tinderbox, iirc). Doing so might make it easier to > > detect performance impacting changes, as well as > > making performance testing easier in general. > > Yes, it would be quite valuable. > [...] > I'd really like to see a small and fairly well-defined set of > tests run every couple of days so we can show long term graphs, > and catch regressions quickly. > Me, too. > Unfortunately, this is a bit harder than tinder-boxing, > because it involves swapping out whole system > configurations, recovering from the inevitable failure modes, > etc, which proves to be the usual sticking point in > implementing this. > Hmm... I believe, that a "dd bs=128k count=1000 of=/dev/null" (maybe with several iseek values) would be sufficient to detect the worst disadvantages. That test should be done on at least one box (always the same if possible), whenever a hard disc is changed (then the box has changed a little bit), and whenever there is a new release or some development progress. > However, I'd love to see someone work on it :-). > Me, too. May I try, please? Maybe I should admit, that I damaged my slices and partitions some days ago, but now everything works fine again... :-)) -Arne __________________________________ Do you Yahoo!? Yahoo! Mail - now with 250MB free storage. Learn more. http://info.mail.yahoo.com/mail_250
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