Lee Revell wrote:
On Sun, 2005-07-24 at 17:03 -0400, Florin Malita wrote:
the x86 timer interrupt
frequency has increased from 100Hz to 1KHz (it's about to be lowered
to 250Hz)
This is by no means a done deal. So far no one has posted ANY evidence
that dropping HZ to 250 helps (except one result on a atypically large
system), and there's plenty of evidence that it doesn't.
If nothing else it does seem to make media applications unhappy under
some loads.
I personally think 1k should stay the default and let people with
special needs use the other. Nice to select at boot time, people who
need accuracy above all could use 866 (or whatever tick rate near that
was the lowest error).
--
-bill davidsen ([email protected])
"The secret to procrastination is to put things off until the
last possible moment - but no longer" -me
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