Date: Fri, 19 Dec 2003 10:54:27 -0600 From: Peter Schultz <pmes@bis.midco.net> To: Jeff Roberson <jroberson@chesapeake.net> Cc: current@FreeBSD.org Subject: Re: ULE Interactivity perf patch Message-ID: <3FE32D43.1060104@bis.midco.net> In-Reply-To: <20031219092634.C36463-100000@mail.chesapeake.net> References: <20031219092634.C36463-100000@mail.chesapeake.net>
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Jeff Roberson wrote: > I realized a pitfal in the way that I'm doing slice assignment for > interactive tasks. I'd like to have as many people test this as possible, > in case there are unintended consequences. What this patch does is allow > interactive tasks to have longer time-slices so that they may be more > efficient. > > This patch is intended to fix the poor performance of some interactive > processes while under high load, especially high load with other > interactive tasks present. > > http://www.chesapeake.net/~jroberson/interact.diff > On this dual PII 350 box `make -j 11 buildworld', playing an mp3 with xmms and unarchiving two separate mozilla distros can cause quite an interactivity problem. At a more moderate system load things are quite usable. It's still not BeOS, but BeOS never had the kind of i/o that FreeBSD has, so I think things are going fairly well. Pete...
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