On Wed, 21 Jul 2010, Andriy Gapon wrote:
I didn't mean your manual tuning, I meant how the system is configured :-) E.g.
the relevant sysctl tree.
Duh. :) Sorry.
sysctl -a | grep timer
kern.eventtimer.choice: LAPIC(500) HPET(450) HPET1(440) HPET2(440)
i8254(100) RTC(0)
kern.eventtimer.et.LAPIC.flags: 15
kern.eventtimer.et.LAPIC.frequency: 83223728
kern.eventtimer.et.LAPIC.quality: 500
kern.eventtimer.et.HPET.flags: 3
kern.eventtimer.et.HPET.frequency: 14318180
kern.eventtimer.et.HPET.quality: 450
kern.eventtimer.et.HPET1.flags: 3
kern.eventtimer.et.HPET1.frequency: 14318180
kern.eventtimer.et.HPET1.quality: 440
kern.eventtimer.et.HPET2.flags: 3
kern.eventtimer.et.HPET2.frequency: 14318180
kern.eventtimer.et.HPET2.quality: 440
kern.eventtimer.et.RTC.flags: 17
kern.eventtimer.et.RTC.frequency: 32768
kern.eventtimer.et.RTC.quality: 0
kern.eventtimer.et.i8254.flags: 1
kern.eventtimer.et.i8254.frequency: 1193182
kern.eventtimer.et.i8254.quality: 100
kern.eventtimer.timer2: HPET
kern.eventtimer.timer1: LAPIC
kern.eventtimer.singlemul: 2
net.inet.tcp.timer_race: 0
net.inet.tcp.per_cpu_timers: 0
machdep.acpi_timer_freq: 3579545
p1003_1b.timers: 200112
p1003_1b.delaytimer_max: 2147483647
p1003_1b.timer_max: 32
dev.acpi_timer.0.%desc: 24-bit timer at 3.579545MHz
dev.acpi_timer.0.%driver: acpi_timer
dev.acpi_timer.0.%location: unknown
dev.acpi_timer.0.%pnpinfo: unknown
dev.acpi_timer.0.%parent: acpi0
dev.attimer.0.%desc: AT timer
dev.attimer.0.%driver: attimer
dev.attimer.0.%location: handle=\_SB_.PCI0.ISAB.TMR_
dev.attimer.0.%pnpinfo: _HID=PNP0100 _UID=0
dev.attimer.0.%parent: acpi0
dev.pmtimer.0.%driver: pmtimer
dev.pmtimer.0.%parent: isa0
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