Date: Thu, 2 Dec 2004 17:51:45 -0800 From: Sean Chittenden <sean@chittenden.org> To: Jeff Behl <jbehl@fastclick.com> Cc: freebsd-performance@freebsd.org Subject: Re: %cpu in system - squid performance in FreeBSD 5.3 Message-ID: <E338B57E-44CD-11D9-86BB-000A95C705DC@chittenden.org> In-Reply-To: <41AE651F.3040104@fastclick.com> References: <41AE651F.3040104@fastclick.com>
next in thread | previous in thread | raw e-mail | index | archive | help
> but the % system time can fluctuate up to 60 at times. My question is > if this is about the type of performance I could expect, or if people > have seen better. I don't know about other people, but I suspect you're running into lock contention. Try using a post 5.3 snapshot (something from RELENG_5) since alc@ has set debug.mpsafevm=1, which lets many calls to the VM run without GIANT, which I suspect is your problem and why the system usage is all over the place. -sc -- Sean Chittenden
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?E338B57E-44CD-11D9-86BB-000A95C705DC>