Date: Wed, 09 Jan 2008 00:54:09 +0100 From: Kris Kennaway <kris@FreeBSD.org> To: Krassimir Slavchev <krassi@bulinfo.net>, "freebsd-stable@freebsd.org" <freebsd-stable@freebsd.org> Subject: Re: Performance! Message-ID: <47840D21.6060807@FreeBSD.org> In-Reply-To: <477CC7DC.6060801@bulinfo.net> References: <476A5EE1.9000003@bulinfo.net> <476FF662.6050604@FreeBSD.org> <477BB7C0.3060603@bulinfo.net> <477C1FA3.2070904@FreeBSD.org> <477CC7DC.6060801@bulinfo.net>
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Krassimir Slavchev wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Hello Kris, > > Here is the lock profiling results, see the attachment. > > Please, let me know if you want ssh access to this machine? Thanks, this is very interesting. The problem is already fixed in 8.0 but we were not seeing it being this much of a factor on our test hardware. Possibly it is due to your CPUs being moderately faster and causing a timing difference. Anyway, try this patch. If there is still a performance deficit then repeating the lock profiling will be useful. Kris
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