CFT: k8temp driver

Rui Paulo rpaulo at FreeBSD.org
Fri May 9 13:56:01 UTC 2008


Maxim Aptechkin wrote:
> [root at beta5 /usr/src/sys/amd64/k8temp]# sysctl -A | grep -i temp
> 
> dev.cpu.0.temperature: -49
> dev.cpu.1.temperature: -49
> 
> dev.k8temp.0.%desc: AMD K8 Thermal Sensors
> dev.k8temp.0.%driver: k8temp
> dev.k8temp.0.%parent: hostb4
> dev.k8temp.0.sensor0.core0: 36
> dev.k8temp.0.sensor0.core1: 46
> dev.k8temp.0.sensor1.core0: 35
> dev.k8temp.0.sensor1.core1: 36
> 
> [root at beta5 /usr/src/sys/amd64/k8temp]# k8temp -d
> CPUID: Vendor: AuthenticAMD, Id=0x40f32 Model=3 Family=15 Stepping=2
> Advanced Power Management=0x3f
>    Temperature sensor: Yes
>  Frequency ID control: Yes
>    Voltage ID control: Yes
>     THERMTRIP support: Yes
>    HW Thermal control: Yes
>    SW Thermal control: Yes
>    100MHz multipliers: No
>    HW P-State control: No
>         TSC Invariant: No
> Thermtrip=0x005e1e24 (CurTmp=0x5e (45c) TjOffset=0x00 DiodeOffset=0x1e
> (-19c))
> CPU 0 Core 0 Sensor 0: 45c
> Thermtrip=0x00001e64 (CurTmp=0x00 (-49c) TjOffset=0x00 DiodeOffset=0x1e
> (-19c))
> Thermtrip=0x00561e20 (CurTmp=0x56 (37c) TjOffset=0x00 DiodeOffset=0x1e
> (-19c))
> CPU 0 Core 1 Sensor 0: 37c
> Thermtrip=0x00001e60 (CurTmp=0x00 (-49c) TjOffset=0x00 DiodeOffset=0x1e
> (-19c))
> 
> 
> Something wrong with dev.cpu.?.temperature

That's something I've been investigating.

Sorry,
-- 
Rui Paulo


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