feat: 获取本身程序内存和cpu使用

cmd/agent/config/config.go

@@ -9,7 +9,7 @@ var (
 	LogFileName       = "agent.log"
 	DaemonLogFileName = "agent_daemon.log"
 
-	MountPrefix = "/host"
+	MountPrefix = "/"
 	MountProc   = MountPrefix + "/proc/"
 
 	PluginDir = WorkDir + "/plugin"

module/resources/resources_watch.go

@@ -105,6 +105,27 @@ func (w *Watch) watchResourcesUsage() {
 	getAndPrintHostInfo()
 	getAndPrintProcessInfo()
 	w.getAndPrintContainerInfo()
+	if w.curMemUsage == 0.0 {
+		proc, err := process.NewProcess(int32(os.Getpid()))
+		if err != nil {
+			l.Error("Error:", err)
+			return
+		}
+		memInfo, err := proc.MemoryInfo()
+		if err != nil {
+			l.Error("Error:", err)
+			return
+		} else {
+			w.curMemUsage = float64(memInfo.RSS)
+		}
+		// 获取CPU使用率
+		cpuPercent, err := proc.CPUPercent()
+		if err != nil {
+			l.Error("Error:", err)
+			return
+		}
+		l.Infof("resources watch mem usage:%s, cpu usage:%.2f%%", unit.ByteSize(uint64(w.curMemUsage)), cpuPercent)
+	}
 	w.printResourcesUsage()
 }