Date: Sun, 18 Dec 2011 11:30:21 -0800 From: Adrian Chadd <adrian@freebsd.org> To: "O. Hartmann" <ohartman@zedat.fu-berlin.de> Cc: Bruce Cran <bruce@cran.org.uk>, Ivan Klymenko <fidaj@ukr.net>, Doug Barton <dougb@freebsd.org>, freebsd-stable@freebsd.org, "O. Hartmann" <ohartman@mail.zedat.fu-berlin.de>, Current FreeBSD <freebsd-current@freebsd.org>, Andrey Chernov <ache@freebsd.org>, freebsd-performance@freebsd.org Subject: Re: SCHED_ULE should not be the default Message-ID: <CAJ-VmokgpSxycwjD_BZW2k=kysXWkSZ5PDCNFCpgmGD-rMKknA@mail.gmail.com> In-Reply-To: <4EEDEE38.10802@zedat.fu-berlin.de> References: <4EE1EAFE.3070408@m5p.com> <4EE22421.9060707@gmail.com> <4EE6060D.5060201@mail.zedat.fu-berlin.de> <4EE69C5A.3090005@FreeBSD.org> <20111213104048.40f3e3de@nonamehost.> <20111213090051.GA3339@vniz.net> <4EED5200.20302@cran.org.uk> <4EEDEE38.10802@zedat.fu-berlin.de>
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Hi, What Attilllo and others need are KTR traces in the most stripped down example of interactive-busting workload you can find. Eg: if you're doing 32 concurrent buildworlds and trying to test interactivity - fine, but that's going to result in a lot of KTR stuff. If you can reproduce it using a dd via /dev/null and /dev/random (like another poster did) with nothing else running, then even better. If you can do it without X running, even better. I honestly suggest ignoring benchmarks for now and concentrating on interactivity. Adrian
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