# HG changeset patch
# User shade
# Date 1509012189 -7200
# Node ID 7fa076c63a423a352c9d230f45e2de84f10d4bfd
# Parent  e08d290908576664f433ae68053f301c5c41e0d8
ClassChurn example

diff -r e08d29090857 -r 7fa076c63a42 src/main/java/org/openjdk/gcbench/wip/ClassChurn.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/org/openjdk/gcbench/wip/ClassChurn.java	Thu Oct 26 12:03:09 2017 +0200
@@ -0,0 +1,23 @@
+package org.openjdk.gcbench.wip;
+
+import org.openjdk.jmh.annotations.*;
+
+import java.net.URL;
+import java.net.URLClassLoader;
+import java.util.concurrent.TimeUnit;
+
+@Warmup(iterations = 0)
+@Measurement(iterations = 200)
+@Fork(1)
+@BenchmarkMode(Mode.AverageTime)
+@OutputTimeUnit(TimeUnit.MICROSECONDS)
+@State(Scope.Thread)
+public class ClassChurn {
+
+    @Benchmark
+    public Class<?> load() throws ClassNotFoundException {
+        URLClassLoader loader = new URLClassLoader(new URL[0]);
+        return Class.forName("java.util.HashMap", true, loader);
+    }
+
+}
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