diff -r d29f0181ba42 -r ac24594d2c8c test/micro/org/openjdk/bench/vm/lang/ThrowableRuntimeMicros.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/micro/org/openjdk/bench/vm/lang/ThrowableRuntimeMicros.java	Wed Sep 25 14:33:44 2019 -0700
@@ -0,0 +1,139 @@
+/*
+ * Copyright (c) 2015, 2019 Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package org.openjdk.bench.vm.lang;
+
+import java.util.concurrent.TimeUnit;
+import org.openjdk.jmh.annotations.Benchmark;
+import org.openjdk.jmh.annotations.BenchmarkMode;
+import org.openjdk.jmh.annotations.Mode;
+import org.openjdk.jmh.annotations.OutputTimeUnit;
+import org.openjdk.jmh.annotations.Param;
+import org.openjdk.jmh.annotations.Scope;
+import org.openjdk.jmh.annotations.State;
+import org.openjdk.jmh.infra.Blackhole;
+
+@State(value = Scope.Benchmark)
+@BenchmarkMode(Mode.AverageTime)
+@OutputTimeUnit(TimeUnit.NANOSECONDS)
+public class ThrowableRuntimeMicros {
+
+    // TestStack will add this number of calls to the call stack
+    @Param({"4", "100", "1000"})
+    // For more thorough testing, consider:
+    // @Param({"4", "10", "100", "256", "1000"})
+    public int depth;
+
+    /** Build a call stack of a given size, then run trigger code in it.
+      * (Does not account for existing frames higher up in the JMH machinery).
+      */
+    static class TestStack {
+        final long fence;
+        long current;
+        final Runnable trigger;
+
+        TestStack(long max, Runnable trigger) {
+            this.fence = max;
+            this.current = 0;
+            this.trigger = trigger;
+        }
+
+        public void start() {
+            one();
+        }
+
+        public void one() {
+            if (check()) {
+                two();
+            }
+        }
+
+        void two() {
+            if (check()) {
+                three();
+            }
+        }
+
+        private void three() {
+            if (check()) {
+                one();
+            }
+        }
+
+        boolean check() {
+            if (++current == fence) {
+                trigger.run();
+                return false;
+            } else {
+                return true;
+            }
+        }
+    }
+
+    @Benchmark
+    public void testThrowableInit(Blackhole bh) {
+        final Blackhole localBH = bh;
+        final boolean[] done = {false};
+        new TestStack(depth, new Runnable() {
+            public void run() {
+                localBH.consume(new Throwable());
+                done[0] = true;
+            }
+        }).start();
+        if (!done[0]) {
+            throw new RuntimeException();
+        }
+    }
+
+    @Benchmark
+    public void testThrowableGetStackTrace(Blackhole bh) {
+        final Blackhole localBH = bh;
+        final boolean[] done = {false};
+        new TestStack(depth, new Runnable() {
+            public void run() {
+                localBH.consume(new Throwable().getStackTrace());
+                done[0] = true;
+            }
+        }).start();
+        if (!done[0]) {
+            throw new RuntimeException();
+        }
+    }
+
+    @Benchmark
+    public void testThrowableSTEtoString(Blackhole bh) {
+        final Blackhole localBH = bh;
+        final boolean[] done = {false};
+        new TestStack(depth, new Runnable() {
+            public void run() {
+                Throwable t = new Throwable();
+                for (StackTraceElement ste : t.getStackTrace()) {
+                    localBH.consume(ste.toString());
+                }
+                done[0] = true;
+            }
+        }).start();
+        if (!done[0]) {
+            throw new RuntimeException();
+        }
+    }
+}