agentx - npm Package Compare versions

Comparing version 1.8.1 to 1.8.2

lib/orders/system.js

@@ -9,2 +9,45 @@ 'use strict';
 
+/*
+*      user  nice system idle    iowait irq  softirq steal guest  guest_nice
+* cpu  74608 2520 24433  1117073 6176   4054 0       0     0      0
+*
+* Idle = idle + iowait + steal
+* NonIdle = user + nice + system + irq + softirq + steal
+* Total = Idle + NonIdle;
+* cpu% = 1 - diffIdle / diffTotal
+* this is a description for "steal", it is useful in a VM env.
+* http://blog.scoutapp.com/articles/2013/07/25/understanding-cpu-steal-time-when-should-you-be-worried
+*/
+var calculateLinuxCPU = function () {
+  var raw = fs.readFileSync('/proc/stat');
+  if (!raw) {
+    return 0;
+  }
+
+  var lines = raw.toString().trim().split('\n');
+  for (var i = 0; i < lines.length; i++) {
+    if (lines[i].indexOf('cpu ') >= 0) {
+      var stat = lines[i].split(' ');
+      // [ 'cpu', '', '327248', '602', '82615', '1556436',
+      //              '22886', '0', '134', '0', '0', '0' ]
+      stat.shift();
+      stat.shift();
+      var idle = parseInt(stat[3], 10) +
+          parseInt(stat[4], 10) + parseInt(stat[7], 10);
+      var total = 0;
+      for (var j = 0; j < 8; j++) {
+        total += parseInt(stat[j], 10);
+      }
+      var diffTotal = total - lastTotal;
+      var diffIdle = idle - lastIdle;
+      lastTotal = total;
+      lastIdle = idle;
+      return 1 - diffIdle / diffTotal;
+    }
+  }
+  return 0;
+};
+
+
+
 var calculateCPU = function () {
@@ -36,7 +79,7 @@ var cpus = os.cpus();
     if (['MemFree', 'Buffers', 'Cached'].indexOf(pair[0]) >= 0) {
-      real_free += parseInt(pair[1]);
+      real_free += parseInt(pair[1], 10);
     }
   });
   return real_free * 1024;
-}
+};
 
@@ -52,3 +95,3 @@ var status = function () {
     load15: loadavg[2],
-    cpu: calculateCPU(),
+    cpu: os.type() === 'Linux' ? calculateLinuxCPU() : calculateCPU(),
     cpu_count: os.cpus().length
@@ -55,0 +98,0 @@ };

package.json

 {
   "name": "agentx",
-  "version": "1.8.1",
+  "version": "1.8.2",
   "description": "agentx is powered by alinode",
@@ -5,0 +5,0 @@ "scripts": {

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Improved metrics

Total package byte prevSize

37583

increased by3.75%

Lines of code

1239

increased by3.25%

No dependency changes