Comments (2)
You may be interested in the discontinued external it87 kernel module. It is far ahead of even mainline's drivers/hwmon/it87.c.
Here is a read-only mirror: https://github.com/herocodemaster/it87
I was able to enable both the 'custom' it87 as well as zenpower's module and they are very close in temps. A bonus was that I got additional sensors detected for my ITE Super I/O chips it8686 and it8792. What I am confused is that I can't tell what is thermal throttling my PBO since the VRM temps on Windows with hwinfo are substantially lower than my CPU, as is the same on Linux. My motherboard is lambasted for its poor VRM cooling but they stay within 40-60C.
From my point of view, Guenter Roeck's version linked above would give proper ITE readings. Otherwise I would default to zenpower for readings.
Question: what are you using to parse voltages from different modules as the same time? I am only able to get temperature.
Mainline kernel 5.4.0-rc8, custom it87, with HEAD branch zenpower module: (it used to show zenpower there too, I think I broke it)
it8686 1 40C
it8686 2 44C
it8686 3 58C
it8686 4 43C
it8686 5 44C
it8686 6 47C
it8792 1 30C
it8792 2 34C
it8792 3 36C
Tdie 58C
Tctl 58C
Tccd1 63C
iwlwifi 1 51C
edge 49C
it8686 1 2647R
it8686 2 0R
it8686 3 0R
it8686 4 1049R
it8686 5 0R
it8792 1 0R
it8792 2 0R
it8792 3 0R
amdgpu 1 782R
from zenpower.
I had noticed the groeck it87 out of tree module & that's what I've been comparing zenpower to. My testing was conducted sequentially; I first removed it87 before switching to zenpower. I never attempted to read voltages from both simultaneously; but theoretically that should be possible as it87 uses IO chips whereas zenpower used SVI2 on the CPU.
Zenpower works more reliably than groeck's it87 for most motherboards & is what I'd recommend moving forward. I'd still like to know which is the most accurate method of measure; something that likely won't get an answer.
from zenpower.
Related Issues (20)
- Per Core Current and Voltage for AMD Threadripper 1950x
- Doesn't build against kernel 5.7-rc2 HOT 9
- Merged 5.7-rc Patch Doesn't (or at least no longer) works HOT 6
- Zenpower not showing frequencies HOT 2
- Add support for Ryzen 4000 APUs HOT 32
- How to enable on Manjaro/Arch HOT 9
- Interferes with NBFC module on ASUS ROG GL702ZC HOT 3
- Have to reinstall to see voltages, etc. after reboot in zenmonitor
- Does Zenpower support the PCI ids for Rome Epyc Zen 2 cpus? HOT 7
- Support for kernel 5.9.1 HOT 1
- TLP + auto-cpufreq HOT 1
- Support for 19h family HOT 119
- SMUSVI0_TFN and SMUSVI1_TFN not checked
- Curious about Ryzen 7 4750U sensors capabilities HOT 1
- 5950x do not appear with zenpower HOT 5
- cpu power HOT 2
- When I installed this DKMS my Amdgpu was downclocked
- Doesn't work on MSI B650i
- Is this project dead? HOT 5
- Ryzen 7000?
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from zenpower.