Date: Sat, 15 Sep 2007 23:49:56 -0700 (PDT) From: Jeff Roberson <jroberson@chesapeake.net> To: Roman Bogorodskiy <novel@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: SCHED_ULE on desktop system Message-ID: <20070915234855.G531@10.0.0.1> In-Reply-To: <20070916061932.GA93480@underworld.novel.ru> References: <20070916061932.GA93480@underworld.novel.ru>
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On Sun, 16 Sep 2007, Roman Bogorodskiy wrote: > Hello, > > I'm curious if SCHED_ULE is designed to be used on a desktop system. I'm > running -CURRENT at home and tried to use SCHED_ULE for some time. It > works alright while the load is not very high. But once I start > compiling something (running 'make buildworld' or 'portupgrade -a' for > example), the machine comes almost unusable - X11's windows takes a lot > of time to redraw, changing virtual desktop in window manager may take > a several seconds. And it's nearly impossible to watch some movie with > mplayer. Roman, This is contrary to the experiences of many others. Can you send me your dmesg? There may be something about your particular hardware that is triggering a bug. ULE is definitely designed to be responsive on the desktop. Thanks, Jeff > > However, when I switch to SCHED_4BSD, system's reaction time gets lower > and I even can watch a movie with mplayer when compiling something. > > Is SHCED_ULE designed to behave that way or I spotted some bug? > > PS I run UP system. > > Roman Bogorodskiy >
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