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diff --git a/bundles/org.simantics.utils.datastructures/src/org/simantics/utils/datastructures/TimingUtil.java b/bundles/org.simantics.utils.datastructures/src/org/simantics/utils/datastructures/TimingUtil.java
new file mode 100644
index 000000000..ad9bb8129
--- /dev/null
+++ b/bundles/org.simantics.utils.datastructures/src/org/simantics/utils/datastructures/TimingUtil.java
@@ -0,0 +1,69 @@
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.utils.datastructures;
+
+import java.io.PrintStream;
+import java.util.concurrent.TimeUnit;
+
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public final class TimingUtil {
+
+    public abstract static class NamedRunnable implements Runnable {
+        String name;
+        public NamedRunnable(String name) {
+            this.name = name;
+        }
+        @Override
+        public String toString() {
+            return name;
+        }
+    }
+
+    public static class PrintCallback implements BinaryCallback<Long, TimeUnit> {
+        String task;
+        PrintStream stream;
+        PrintCallback(String task) {
+            this(task, System.out);
+        }
+        PrintCallback(String task, PrintStream stream) {
+            this.task = task;
+            this.stream = stream;
+        }
+        @Override
+        public void run(Long arg1, TimeUnit arg2) {
+            stream.println(task + " took " + arg1 + " " + arg2.toString());
+        }
+    };
+
+    public static void time(Runnable runnable) {
+        time(runnable, System.out);
+    }
+
+    public static void time(Runnable runnable, PrintStream stream) {
+        time(runnable, TimeUnit.MILLISECONDS, new PrintCallback(runnable.toString(), stream));
+    }
+
+    public static void time(Runnable runnable, TimeUnit reportTimeUnit, PrintStream stream) {
+        time(runnable, reportTimeUnit, new PrintCallback(runnable.toString(), stream));
+    }
+
+    public static void time(Runnable runnable, TimeUnit reportTimeUnit, BinaryCallback<Long, TimeUnit> result) {
+        long start = System.nanoTime();
+        runnable.run();
+        long end = System.nanoTime();
+        result.run(reportTimeUnit.convert(end-start, TimeUnit.NANOSECONDS), reportTimeUnit);
+    }
+
+}