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SubjectRe: Performance issue in 2.5.32+
From
> lmbench shows major changes in context switching latencies 
> on a dual celeron system

Some lmbench tests vary a lot so I run it 25 times and
average the results. Some variations are only apparent on
particular cpus (cache size differences, smp, etc).

The lmbench averaging script I use is:
http://home.earthlink.net/~rwhron/kernel/lmbsum

lmbench on a quad xeon and a bit on how to use lmbsum:
http://home.earthlink.net/~rwhron/kernel/bigbox.html#lmbench

Recent uniprocessor results:
http://home.earthlink.net/~rwhron/kernel/latest.html#lmbench

--
Randy Hron
http://home.earthlink.net/~rwhron/kernel/bigbox.html

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