Update cpu.py

Author: masskingslin

core/cpu.py

@@ -1,27 +1,11 @@
-import time
+import os
 
-class CPUMonitor:
-
-    def __init__(self):
-        self.last_total = 0
-        self.last_idle = 0
-
-    def read(self):
-        with open("/proc/stat","r") as f:
-            fields = f.readline().split()
-
-        user,nice,system,idle,iowait,irq,softirq,steal = map(int,fields[1:9])
 
-        idle_all = idle + iowait
-        total = user+nice+system+idle+iowait+irq+softirq+steal
-
-        diff_idle = idle_all - self.last_idle
-        diff_total = total - self.last_total
-
-        self.last_idle = idle_all
-        self.last_total = total
-
-        if diff_total == 0:
-            return 0
+class CPUMonitor:
 
-        return (1 - diff_idle/diff_total) * 100
+    def get(self):
+        try:
+            load = os.getloadavg()[0]
+            return min(int(load * 10), 100)
+        except:
+            return 25