code cleanup

app/cpu/drivers/sys.go

@@ -53,6 +53,7 @@ func (r *SysDriver) ReadClockSensors() ([]ClockSensor, error) {
 
 		clockSensors = append(clockSensors, ClockSensor{
 			path:         path,
+			number:       coreID,
 			Name:         fmt.Sprintf("core %d", coreID),
 			FrequencyGHz: khz / 1000000.0, // Convert KHz to GHz
 		})
@@ -60,7 +61,7 @@ func (r *SysDriver) ReadClockSensors() ([]ClockSensor, error) {
 
 	// Guarantee numerical order by core ID
 	sort.Slice(clockSensors, func(i, j int) bool {
-		return clockSensors[i].Name < clockSensors[j].Name
+		return clockSensors[i].number < clockSensors[j].number
 	})
 
 	return clockSensors, nil