Date: Thu, 20 May 2004 12:38:25 -0400 From: Mikhail Teterin <mi+mx@aldan.algebra.com> To: Dan Nelson <dnelson@allantgroup.com> Cc: current@freebsd.org Subject: Re: a scheduling question Message-ID: <200405201238.25095@misha-mx.virtual-estates.net> In-Reply-To: <20040520151029.GA19455@dan.emsphone.com> References: <200405200334.i4K3YlGU027751@corbulon.video-collage.com> <20040520151029.GA19455@dan.emsphone.com>
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=In the last episode (May 19), Mikhail Teterin said: => Here is a top's snapshot from a dual CPU machine. Two lame encoders => compete for the first CPU, while the total idle time is 35.6%. Why is => that? Because they are nice? Is niceness really supposed to allow for => wasted CPU? Thanks! = =You're probably using SCHED_ULE? Try with 4BSD. Yes, I do. But is not SCHED_ULE considered a _better_ replacement for SCHED_4BSD -- _especially_ on SMP systems (such as mine)? Or is it now known to be problematic and (semi-) stable installations should use 4BSD? Thanks! -mi
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