X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.scl.compiler%2Fsrc%2Forg%2Fsimantics%2Fscl%2Fcompiler%2Fcompilation%2FCompilationTimer.java;fp=bundles%2Forg.simantics.scl.compiler%2Fsrc%2Forg%2Fsimantics%2Fscl%2Fcompiler%2Fcompilation%2FCompilationTimer.java;h=91215886255e02c05d25f7b43835afa2cdb4c29f;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/compilation/CompilationTimer.java b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/compilation/CompilationTimer.java
new file mode 100644
index 000000000..912158862
--- /dev/null
+++ b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/compilation/CompilationTimer.java
@@ -0,0 +1,56 @@
+package org.simantics.scl.compiler.compilation;
+
+import gnu.trove.map.hash.TObjectLongHashMap;
+
+import java.util.ArrayList;
+
+public class CompilationTimer {
+    private long initialTime, previousTime;
+    private ArrayList<TimerEntry> entries = new ArrayList<TimerEntry>();
+    private static TObjectLongHashMap<String> GLOBAL_TIMES = new TObjectLongHashMap<String>();
+    
+    private static class TimerEntry {
+        public final String phaseName;
+        public final long time;
+        public final long cumulativeTime;
+        
+        public TimerEntry(String phaseName, long time, long cumulativeTime) {
+            this.phaseName = phaseName;
+            this.time = time;
+            this.cumulativeTime = cumulativeTime;
+        }        
+    }
+    
+    public CompilationTimer() {
+        initialTime = previousTime = System.nanoTime();
+    }
+    
+    public void phaseFinished(String phaseName) {
+        long time = System.nanoTime();
+        entries.add(new TimerEntry(phaseName, time-previousTime, time-initialTime));
+        previousTime = time;
+    }
+    
+    public void suspendTimer() {
+        long time = System.nanoTime();
+        initialTime -= time;
+        previousTime -= time;
+    }
+    
+    public void continueTimer() {
+        long time = System.nanoTime();
+        initialTime += time;
+        previousTime += time;
+    }
+    
+    public void report(String moduleName) {
+        synchronized(GLOBAL_TIMES) {
+            System.out.println(moduleName);
+            for(TimerEntry entry : entries) {
+                long globalTime = GLOBAL_TIMES.adjustOrPutValue(entry.phaseName, entry.time, entry.time);
+                System.out.println("    " + entry.phaseName + " " + entry.time*1e-6 
+                        + "ms (cumulative: " + entry.cumulativeTime*1e-6 + "ms, global: " + globalTime*1e-6 + ")");
+            }
+        }
+    }
+}