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SubjectRe: Overscheduling DOES happen with high web server load.
On Sat, 8 May 1999, Richard Gooch wrote:

>Reducing the cost of goodness() will help a bit, but even the search

You won't reduce the cost of goodness. You'll reduce the number of linear
search every sec from 40000 to 4000.

For the record 2.2.8-prex uses goodness in reschedule_idle(). The number
of the not needed schedule() invocation here is of the order of 2/3 every
sec or 10 under heavy load (never tried on 2.2.7 though, so I can't make

2.2.8-prex has still some problem in reschedule_idle() (even if the whole
design is _far_ _far_ superior than the 2.2.7 one and I agree with it
_completly_), but at least it won't overschedule ;).

Andrea Arcangeli

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