improve: sort sensor names & add an ignore list for sensors (#71)

* improve: sort sensor names

* add an ignore list for sensors

pkg/monitor/monitor.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"os/exec"
 	"runtime"
+	"sort"
 	"strconv"
 	"strings"
 	"sync/atomic"
@@ -35,6 +36,10 @@ var (
 	excludeNetInterfaces = []string{
 		"lo", "tun", "docker", "veth", "br-", "vmbr", "vnet", "kube",
 	}
+	sensorIgnoreList = []string{
+		"PMU tcal", // the calibration sensor on arm macs, value is fixed
+		"noname",
+	}
 	agentConfig *model.AgentConfig
 )
 
@@ -62,7 +67,7 @@ var statDataFetchAttempts = map[string]int{
 }
 
 var (
-	updateTempStatus int32
+	updateTempStatus = new(atomic.Int32)
 )
 
 func InitConfig(cfg *model.AgentConfig) {
@@ -237,7 +242,7 @@ func TrackNetworkSpeed() {
 					continue
 				}
 			} else {
-				if isListContainsStr(excludeNetInterfaces, v.Name) {
+				if util.ContainsStr(excludeNetInterfaces, v.Name) {
 					continue
 				}
 			}
@@ -270,7 +275,7 @@ func getDiskTotalAndUsed() (total uint64, used uint64) {
 		for _, d := range diskList {
 			fsType := strings.ToLower(d.Fstype)
 			// 不统计 K8s 的虚拟挂载点：https://github.com/shirou/gopsutil/issues/1007
-			if devices[d.Device] == "" && isListContainsStr(expectDiskFsTypes, fsType) && !strings.Contains(d.Mountpoint, "/var/lib/kubelet") {
+			if devices[d.Device] == "" && util.ContainsStr(expectDiskFsTypes, fsType) && !strings.Contains(d.Mountpoint, "/var/lib/kubelet") {
 				devices[d.Device] = d.Mountpoint
 			}
 		}
@@ -362,10 +367,10 @@ func updateGPUStat() float64 {
 }
 
 func updateTemperatureStat() {
-	if !atomic.CompareAndSwapInt32(&updateTempStatus, 0, 1) {
+	if !updateTempStatus.CompareAndSwap(0, 1) {
 		return
 	}
-	defer atomic.StoreInt32(&updateTempStatus, 0)
+	defer updateTempStatus.Store(0)
 
 	if statDataFetchAttempts["Temperatures"] < maxDeviceDataFetchAttempts {
 		temperatures, err := sensors.SensorsTemperatures()
@@ -376,26 +381,21 @@ func updateTemperatureStat() {
 			statDataFetchAttempts["Temperatures"] = 0
 			tempStat := []model.SensorTemperature{}
 			for _, t := range temperatures {
-				if t.Temperature > 0 {
+				if t.Temperature > 0 && !util.ContainsStr(sensorIgnoreList, t.SensorKey) {
 					tempStat = append(tempStat, model.SensorTemperature{
 						Name:        t.SensorKey,
 						Temperature: t.Temperature,
 					})
 				}
 			}
 
-			temperatureStat = tempStat
-		}
-	}
-}
+			sort.Slice(tempStat, func(i, j int) bool {
+				return tempStat[i].Name < tempStat[j].Name
+			})
 
-func isListContainsStr(list []string, str string) bool {
-	for i := 0; i < len(list); i++ {
-		if strings.Contains(str, list[i]) {
-			return true
+			temperatureStat = tempStat
 		}
 	}
-	return false
 }
 
 func printf(format string, v ...interface{}) {