On Thu, 25 Jan 2007, Jeff Roberson wrote:
jeff 2007-01-25 23:52:00 UTC
FreeBSD src repository
Modified files:
sys/kern sched_ule.c
Log:
- Implement much more intelligent ipi sending. This algorithm tries to
minimize IPIs and rescheduling when scheduling like tasks while keeping
latency low for important threads.
Forgot: Will IPI when:
1) An idle thread is running.
2) The current thread is worse than realtime and the new thread is
better than realtime. Realtime to realtime doesn't preempt.
3) The new thread's priority is less than the threshold.
Revision Changes Path
1.186 +23 -11 src/sys/kern/sched_ule.c
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