[Bug 241958] Enable option TCPHPTS in the kernel causes a large % of interruptions if there is no HPET eventtimer in the system

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Thu Jun 18 17:53:49 UTC 2020


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=241958

--- Comment #6 from Tom Jones <thj at FreeBSD.org> ---
Meant to add:

root at freebsd-stable:~ # sysctl kern.eventtimer
kern.eventtimer.periodic: 0
kern.eventtimer.timer: LAPIC
kern.eventtimer.idletick: 0
kern.eventtimer.singlemul: 4
kern.eventtimer.choice: LAPIC(600) HPET(550) i8254(100) RTC(0)
kern.eventtimer.et.HPET.quality: 550
kern.eventtimer.et.HPET.frequency: 16777216
kern.eventtimer.et.HPET.flags: 7
kern.eventtimer.et.i8254.quality: 100
kern.eventtimer.et.i8254.frequency: 1193182
kern.eventtimer.et.i8254.flags: 1
kern.eventtimer.et.RTC.quality: 0
kern.eventtimer.et.RTC.frequency: 32768
kern.eventtimer.et.RTC.flags: 17
kern.eventtimer.et.LAPIC.quality: 600
kern.eventtimer.et.LAPIC.frequency: 67695695
kern.eventtimer.et.LAPIC.flags: 7

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