Messages in this thread | | | Date | Tue, 17 Apr 2007 16:46:57 +1000 | From | Peter Williams <> | Subject | Re: [patch] CFS (Completely Fair Scheduler), v2 |
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Ingo Molnar wrote: > this is the second release of the CFS (Completely Fair Scheduler) > patchset, against v2.6.21-rc7: > > http://redhat.com/~mingo/cfs-scheduler/sched-cfs-v2.patch > > i'd like to thank everyone for the tremendous amount of feedback and > testing the v1 patch got - i could hardly keep up with just reading the > mails! Some of the stuff people addressed i couldnt implement yet, i > mostly concentrated on bugs, regressions and debuggability.
Have you considered using rq->raw_weighted_load instead of rq->nr_running in calculating fair_clock? This would take the nice value (or RT priority) of the other tasks into account when determining what's fair.
Peter PS You'd have to change the migration thread's load_weight from 0 to 1 in order to prevent divide by zero without having to explicitly check for it every time. -- Peter Williams pwil3058@bigpond.net.au
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