no message

+import sys
+
+yo=0
+y0=0
+y1=0
+y2=0
+y3=0
+mix=0
+
+
+def analysis(gc_log):
+    f = open(gc_log)
+    global yo,y0,y1,y2,y3,mix
+    for line in f:
+        if 'GC pause (G1 Evacuation Pause) (young), 0.00' in line:
+            y0=y0+1
+        if 'GC pause (G1 Evacuation Pause) (young), 0.01' in line:
+            y1=y1+1
+        if 'GC pause (G1 Evacuation Pause) (young), 0.02' in line:
+            y2=y2+1
+        if 'GC pause (G1 Evacuation Pause) (young), 0.03' in line:
+            y3=y3+1
+        if 'GC pause (G1 Evacuation Pause) (young)' in line:
+            yo=yo+1
+        if 'GC pause (G1 Evacuation Pause) (mixed)' in line:
+            mix=mix+1
+    f.close()
+
+
+if __name__=="__main__":
+    if len(sys.argv) != 2:
+      print 'Usage: python gc.log'
+      exit(1)
+    gc_log = sys.argv[1]
+    analysis(gc_log)
+    print 'young gc count:'+str(yo)+'\n'
+    print 'mixed gc count:'+str(mix)+'\n'
+    print 'gc pause < 10ms count:'+str(y0)+' in total young gc percent:'+ str(round(y0*100.0/yo,2))+'% \n'
+    print 'gc pause < 20ms and > 10ms count:'+str(y1)+' in total young gc percent:'+ str(round(y1*100.0/yo,2))+'% \n'
+    print 'gc pause < 30ms and > 20ms count:'+str(y2)+' in total young gc percent:'+ str(round(y2*100.0/yo,2))+'% \n'
+    print 'gc pause > 30ms count:'+str(y3)+' in total young gc percent:'+ str(round(y3*100.0/yo,2))+'% \n'