One-shot-oriented event timers management
mav at FreeBSD.org
Wed Sep 1 19:16:50 UTC 2010
Brandon Gooch wrote:
> This latest patch causes an interrupt storm with the HPET timer on my
> system. The machine took about 8 minutes to boot and bring me to a
> login prompt. System interactivity (i.e. input from keyboard, output
> on console) was fine, but after checking the output of `systat vmstat
> -1`, I saw the interrupt rate on each HPET entry was over 120k!
> Can I provide any useful detail? Of course, test patches are always welcome :)
I was able to reproduce alike storm in some situations.
Try new version: http://people.freebsd.org/~mav/timers_oneshot7.patch
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