59 lines
1.6 KiB
Markdown
59 lines
1.6 KiB
Markdown
# zen-rapl
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Advanced monitoring of core power and frequencies on AMD Zen processors using MSR.
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This uses model-specific registers (MSRs) to read the running average power levels (RAPL) the processor. It is designed to compliment the [Zenpower3 driver](https://github.com/koweda/zenpower3).
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The output has been formatted to resemble those from the `sensors` utility so scripts that use the output from that command can parse it the same.
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## Example output
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```
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zen3-rapl
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Package: 109.59 W
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Core_0: 4.50 W
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Core_1: 5.02 W
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Core_2: 4.38 W
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Core_3: 4.71 W
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Core_4: 3.60 W
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Core_5: 3.91 W
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Core_6: 3.42 W
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Core_7: 4.00 W
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Core_8: 1.20 W
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Core_9: 2.46 W
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Core_10: 2.26 W
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Core_11: 2.44 W
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Core_12: 0.97 W
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Core_13: 1.62 W
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Core_14: 0.08 W
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Core_15: 1.52 W
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Core_0_eff: 4.600 GHz
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Core_1_eff: 3.680 GHz
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Core_2_eff: 3.680 GHz
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Core_3_eff: 3.680 GHz
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Core_4_eff: 3.680 GHz
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Core_5_eff: 3.680 GHz
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Core_6_eff: 3.680 GHz
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Core_7_eff: 3.680 GHz
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Core_8_eff: 3.680 GHz
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Core_9_eff: 4.600 GHz
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Core_10_eff: 3.680 GHz
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Core_11_eff: 3.680 GHz
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Core_12_eff: 3.680 GHz
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Core_13_eff: 3.680 GHz
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Core_14_eff: 3.680 GHz
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Core_15_eff: 3.680 GHz
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```
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## Requirements
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* AMD family 17h or 19h processor (Zen, Zen2, Zen3)
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* MSR kernel module (`modprobe msr`)
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* Access to the MSR device files at `/dev/cpu/*/msr` (usually requires root)
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## Building
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1. `make`
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2. `sudo ./zen-rapl`
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## Acknowlegements
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Based upon some code from [Zenmonitor 3](https://github.com/jpr999/zenmonitor3)
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