feat(attributes): add proc status and mem info for linux

procmeminfo.go

@@ -52,18 +52,12 @@ var (
 )
 
 func readMemProcInfo() {
-	done := make(chan bool, 2)
 	for _, path := range paths {
-		go readFile(path, done)
-	}
-
-	// wait for readFile to finish
-	for i := 0; i < 2; i++ {
-		<-done
+		readFile(path)
 	}
 }
 
-func readFile(path string, done chan bool) {
+func readFile(path string) {
 	file, err := os.Open(path)
 	if err != nil {
 		log.Fatal(err)
@@ -94,7 +88,6 @@ func readFile(path string, done chan bool) {
 			}
 		}
 	}
-	done <- true
 }
 
 func mapValues(key string, value string, mapper map[string]string) {