bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/compilation/CompilationTimer.java

   1 package org.simantics.scl.compiler.compilation;\r
   2 \r
   3 import java.util.ArrayList;\r
   4 \r
   5 import gnu.trove.map.hash.TObjectLongHashMap;\r
   6 \r
   7 public class CompilationTimer {\r
   8     private long initialTime, previousTime;\r
   9     private ArrayList<TimerEntry> entries = new ArrayList<TimerEntry>();\r
  10     private static TObjectLongHashMap<String> GLOBAL_TIMES = new TObjectLongHashMap<String>();\r
  11     \r
  12     private static class TimerEntry {\r
  13         public final String phaseName;\r
  14         public final long time;\r
  15         public final long cumulativeTime;\r
  16         \r
  17         public TimerEntry(String phaseName, long time, long cumulativeTime) {\r
  18             this.phaseName = phaseName;\r
  19             this.time = time;\r
  20             this.cumulativeTime = cumulativeTime;\r
  21         }        \r
  22     }\r
  23     \r
  24     public CompilationTimer() {\r
  25         initialTime = previousTime = System.nanoTime();\r
  26     }\r
  27     \r
  28     public void phaseFinished(String phaseName) {\r
  29         long time = System.nanoTime();\r
  30         entries.add(new TimerEntry(phaseName, time-previousTime, time-initialTime));\r
  31         previousTime = time;\r
  32     }\r
  33     \r
  34     public void suspendTimer() {\r
  35         long time = System.nanoTime();\r
  36         initialTime -= time;\r
  37         previousTime -= time;\r
  38     }\r
  39     \r
  40     public void continueTimer() {\r
  41         long time = System.nanoTime();\r
  42         initialTime += time;\r
  43         previousTime += time;\r
  44     }\r
  45     \r
  46     public void report(String moduleName) {\r
  47         synchronized(GLOBAL_TIMES) {\r
  48             System.out.println(moduleName);\r
  49             for(TimerEntry entry : entries) {\r
  50                 long globalTime = GLOBAL_TIMES.adjustOrPutValue(entry.phaseName, entry.time, entry.time);\r
  51                 System.out.println("    " + entry.phaseName + " " + entry.time*1e-6 \r
  52                         + "ms (cumulative: " + entry.cumulativeTime*1e-6 + "ms, global: " + globalTime*1e-6 + ")");\r
  53             }\r
  54         }\r
  55     }\r
  56 }\r