Date: Sun, 25 Feb 2007 14:31:28 -0500 From: Kris Kennaway <kris@obsecurity.org> To: Martin Blapp <mb@imp.ch> Cc: hackers@freebsd.org, Robert Watson <rwatson@freebsd.org> Subject: Re: Progress on scaling of FreeBSD on 8 CPU systems Message-ID: <20070225193128.GC77205@xor.obsecurity.org> In-Reply-To: <20070225134508.C18301@godot.imp.ch> References: <20070224213111.GB41434@xor.obsecurity.org> <346a80220702242100i7ec22b5h4b25cc7d20d03e98@mail.gmail.com> <20070225054120.GA47059@xor.obsecurity.org> <20070225104709.S36322@fledge.watson.org> <20070225134508.C18301@godot.imp.ch>
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--VS++wcV0S1rZb1Fb Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Feb 25, 2007 at 01:54:20PM +0100, Martin Blapp wrote: >=20 > Hi, >=20 > >It would be really great if we could find "workload owners" who would=20 > >maintain easy-to-run benchmark configurations and also run them regularl= y=20 > >on a fixed hardware configuration over a long time publishing results an= d=20 > >testing patches. Kris has done this for SQL benchmarks to great effect, >=20 > 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. >=20 > I think its not very difficult to make a scripted load test, with=20 > 2/4/6/8/16/32 > scans in parallel, with ULE or BSD scheduler. >=20 > Btw: what is the best method to profile a threaded application to see whe= re=20 > it > spends the most CPU time ? If you can package up some kind of test or analogous workload that I can run, I'd be happy to take a look at profiling it on MP hardware. Kris P.S. I assume you've done all the usual things like using libthr instead of libpthread. --VS++wcV0S1rZb1Fb Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (FreeBSD) iD8DBQFF4eQQWry0BWjoQKURAgq0AJ4h4wInWKaJrOH88oIbiXN3zOYN5ACZAcNR 8gR1ClGaStyyISysGl5nU+U= =ZDs1 -----END PGP SIGNATURE----- --VS++wcV0S1rZb1Fb--
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