[Bug 192315] high load average while idle, slow keyboard reaction

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=192315

--- Comment #8 from Steve Wills <swills at FreeBSD.org> ---
(In reply to Alexander Motin from comment #5)
> That does not tell much after you enabled HPET, except that your system does
> have C-states. Reboot without switching to HPET and check again. If C-states
> block working, you should not see states deeper then C1 used even if enabled.

Ok, rebooted without setting HPET:

meatwad% sysctl kern.timecounter.hardware kern.eventtimer.timer
kern.timecounter.hardware: TSC-low
kern.eventtimer.timer: LAPIC
meatwad% sysctl dev.cpu | grep cx_usage
dev.cpu.0.cx_usage: 22.28% 77.71% 0.00% last 1359us
dev.cpu.0.cx_usage_counters: 17048 59466 0
dev.cpu.1.cx_usage: 21.54% 78.45% 0.00% last 939us
dev.cpu.1.cx_usage_counters: 17294 62983 0
dev.cpu.2.cx_usage: 31.10% 68.89% 0.00% last 1146us
dev.cpu.2.cx_usage_counters: 33021 73155 0
dev.cpu.3.cx_usage: 21.15% 78.84% 0.00% last 738us
dev.cpu.3.cx_usage_counters: 18109 67474 0
dev.cpu.4.cx_usage: 21.94% 78.05% 0.00% last 447us
dev.cpu.4.cx_usage_counters: 18022 64084 0
dev.cpu.5.cx_usage: 22.70% 77.29% 0.00% last 682us
dev.cpu.5.cx_usage_counters: 18103 61637 0
dev.cpu.6.cx_usage: 26.53% 73.46% 0.00% last 430us
dev.cpu.6.cx_usage_counters: 33056 91541 0
dev.cpu.7.cx_usage: 22.60% 77.39% 0.00% last 6us
dev.cpu.7.cx_usage_counters: 16724 57250 0
meatwad% sysctl -a | grep cx_lowest
hw.acpi.cpu.cx_lowest: C8
dev.cpu.0.cx_lowest: C8
dev.cpu.1.cx_lowest: C8
dev.cpu.2.cx_lowest: C8
dev.cpu.3.cx_lowest: C8
dev.cpu.4.cx_lowest: C8
dev.cpu.5.cx_lowest: C8
dev.cpu.6.cx_lowest: C8
dev.cpu.7.cx_lowest: C8
meatwad%

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