Date: Sun, 25 Feb 2007 13:54:20 +0100 (CET) From: Martin Blapp <mb@imp.ch> To: Robert Watson <rwatson@freebsd.org> Cc: cokane@cokane.org, smp@freebsd.org, hackers@freebsd.org, current@freebsd.org, Kris Kennaway <kris@obsecurity.org> Subject: Re: Progress on scaling of FreeBSD on 8 CPU systems Message-ID: <20070225134508.C18301@godot.imp.ch> In-Reply-To: <20070225104709.S36322@fledge.watson.org> References: <20070224213111.GB41434@xor.obsecurity.org> <346a80220702242100i7ec22b5h4b25cc7d20d03e98@mail.gmail.com> <20070225054120.GA47059@xor.obsecurity.org> <20070225104709.S36322@fledge.watson.org>
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Hi, > It would be really great if we could find "workload owners" who would > maintain easy-to-run benchmark configurations and also run them regularly on > a fixed hardware configuration over a long time publishing results and > testing patches. Kris has done this for SQL benchmarks to great effect, I'm interested in such a workload test. At my job we run various other servers which have a classic virus/antispam environment. And unfortunatly clamd behaves not very well on FreeBSD (see mails to freebsd-threads), and this happens even on 2-CPU systems. I think its not very difficult to make a scripted load test, with 2/4/6/8/16/32 scans in parallel, with ULE or BSD scheduler. Btw: what is the best method to profile a threaded application to see where it spends the most CPU time ? Martin
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