исправление cpu-usage.js

lib/cpu-usage.js

@@ -1,6 +1,22 @@
 let startTime  = process.hrtime()
 let startUsage = process.cpuUsage()
 
+let keepTime = process.hrtime()
+let keepUsage = process.cpuUsage()
+let sw = false
+
+setInterval(() => {
+	if(!sw) {
+		keepTime = process.hrtime();
+    	keepUsage = process.cpuUsage();
+    	sw = true;
+	} else {
+		startTime = keepTime;
+		startUsage = keepUsage;
+		sw = false;
+	} 
+}, 500)
+
 module.exports = () => {
     function secNSec2ms (secNSec) {
       return secNSec[0] * 1000 + secNSec[1] / 1000000
@@ -13,8 +29,5 @@ module.exports = () => {
     var elapUserMS = elapUsage.user
     var elapSystMS = elapUsage.system
 
-	startTime = process.hrtime();
-	startUsage = process.cpuUsage();
-
     return Math.round(100 * ((elapUserMS + elapSystMS) / 1000) / elapTimeMS)
 }