a scheduling question

Mikhail Teterin mi+mx at aldan.algebra.com
Thu May 20 09:38:53 PDT 2004


=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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