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Date:      Sun, 15 Jan 2017 00:40:01 -0500
From:      Ultima <ultima1252@gmail.com>
To:        Slawa Olhovchenkov <slw@zxy.spb.ru>
Cc:        freebsd-stable@freebsd.org
Subject:   Re: dev.cpu.0.freq/dev.cpu.0.freq_levels support on E5v4
Message-ID:  <CANJ8om49hsi4oRM6biahUWLRQVSN98BOCkAkeP4X_Dbbe1bF-Q@mail.gmail.com>
In-Reply-To: <20170114184008.GA58505@zxy.spb.ru>
References:  <20170114184008.GA58505@zxy.spb.ru>

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Check bios settings. I think this occurs if the c states are set to
hardware controlled and not set to software controlled. The setting names
and values may may vary depending on the manufacturer.

On Sat, Jan 14, 2017 at 1:40 PM, Slawa Olhovchenkov <slw@zxy.spb.ru> wrote:

> I am have stable/11 and E5v4.
> I am don't see cpufreq support by sysctl:
>
> # sysctl dev.cpu.0
> dev.cpu.0.cx_method: C1/hlt
> dev.cpu.0.cx_usage_counters: 61755
> dev.cpu.0.cx_usage: 100.00% last 1us
> dev.cpu.0.cx_lowest: C2
> dev.cpu.0.cx_supported: C1/1/1
> dev.cpu.0.%parent: acpi0
> dev.cpu.0.%pnpinfo: _HID=ACPI0007 _UID=0
> dev.cpu.0.%location: handle=\_SB_.SCK0.CP00 _PXM=0
> dev.cpu.0.%driver: cpu
> dev.cpu.0.%desc: ACPI CPU
>
> # grep -i freq /var/run/dmesg.boot
> Event timer "RTC" frequency 32768 Hz quality 0
> Timecounter "i8254" frequency 1193182 Hz quality 0
> Event timer "i8254" frequency 1193182 Hz quality 100
> Timecounter "HPET" frequency 14318180 Hz quality 950
> Event timer "HPET" frequency 14318180 Hz quality 350
> Event timer "HPET1" frequency 14318180 Hz quality 340
> Event timer "HPET2" frequency 14318180 Hz quality 340
> Event timer "HPET3" frequency 14318180 Hz quality 340
> Event timer "HPET4" frequency 14318180 Hz quality 340
> Event timer "HPET5" frequency 14318180 Hz quality 340
> Event timer "HPET6" frequency 14318180 Hz quality 340
> Event timer "HPET7" frequency 14318180 Hz quality 340
> Timecounter "ACPI-fast" frequency 3579545 Hz quality 900
> est0: <Enhanced SpeedStep Frequency Control> on cpu0
> est1: <Enhanced SpeedStep Frequency Control> on cpu1
> est2: <Enhanced SpeedStep Frequency Control> on cpu2
> est3: <Enhanced SpeedStep Frequency Control> on cpu3
> est4: <Enhanced SpeedStep Frequency Control> on cpu4
> est5: <Enhanced SpeedStep Frequency Control> on cpu5
> est6: <Enhanced SpeedStep Frequency Control> on cpu6
> est7: <Enhanced SpeedStep Frequency Control> on cpu7
> est8: <Enhanced SpeedStep Frequency Control> on cpu8
> est9: <Enhanced SpeedStep Frequency Control> on cpu9
> est10: <Enhanced SpeedStep Frequency Control> on cpu10
> est11: <Enhanced SpeedStep Frequency Control> on cpu11
> est12: <Enhanced SpeedStep Frequency Control> on cpu12
> est13: <Enhanced SpeedStep Frequency Control> on cpu13
> est14: <Enhanced SpeedStep Frequency Control> on cpu14
> est15: <Enhanced SpeedStep Frequency Control> on cpu15
> est16: <Enhanced SpeedStep Frequency Control> on cpu16
> est17: <Enhanced SpeedStep Frequency Control> on cpu17
> est18: <Enhanced SpeedStep Frequency Control> on cpu18
> est19: <Enhanced SpeedStep Frequency Control> on cpu19
> est20: <Enhanced SpeedStep Frequency Control> on cpu20
> est21: <Enhanced SpeedStep Frequency Control> on cpu21
> est22: <Enhanced SpeedStep Frequency Control> on cpu22
> est23: <Enhanced SpeedStep Frequency Control> on cpu23
> Timecounter "TSC-low" frequency 1100023294 Hz quality 1000
>
> How to enable cpufreq support for powerd?
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