81 lines
1.6 KiB
Go
81 lines
1.6 KiB
Go
package proc
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import (
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"fmt"
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"os"
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"path/filepath"
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"strconv"
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"strings"
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"time"
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)
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type AMDReader struct {
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hwmonDir string
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driver string
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}
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type PowerState struct {
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lastEnergy uint64
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lastTime time.Time
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}
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func NewAMDReader() (*AMDReader, error) {
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// Locate AMD k10temp or zenpower hwmon path
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matches, err := filepath.Glob("/sys/class/hwmon/hwmon*")
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if err != nil {
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return nil, err
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}
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for _, dir := range matches {
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b, err := os.ReadFile(filepath.Join(dir, "name"))
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if err != nil {
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continue
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}
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drv := strings.TrimSpace(string(b))
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if drv == "k10temp" || drv == "zenpower" {
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return &AMDReader{
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hwmonDir: dir,
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driver: drv,
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}, nil
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}
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}
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return nil, fmt.Errorf("k10temp/zenpower driver not found under /sys/class/hwmon/")
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}
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func (r *AMDReader) ReadTemperatureSensors() ([]TempSensor, error) {
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inputs, err := filepath.Glob(filepath.Join(r.hwmonDir, "temp*_input"))
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if err != nil || len(inputs) == 0 {
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return nil, fmt.Errorf("no temperature inputs found in %s", r.hwmonDir)
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}
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temps := []TempSensor{}
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for _, inputPath := range inputs {
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valBytes, err := os.ReadFile(inputPath)
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if err != nil {
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continue
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}
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milliC, err := strconv.ParseFloat(strings.TrimSpace(string(valBytes)), 64)
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if err != nil {
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continue
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}
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labelPath := strings.TrimSuffix(inputPath, "_input") + "_label"
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label := ""
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if lBytes, err := os.ReadFile(labelPath); err == nil {
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label = strings.TrimSpace(string(lBytes))
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} else {
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label = filepath.Base(strings.TrimSuffix(inputPath, "_input"))
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}
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temps = append(temps, TempSensor{
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Name: label,
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TempC: milliC / 1000.0,
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})
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}
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return temps, nil
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}
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