--- a/hotspot/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.debug.test/src/org/graalvm/compiler/debug/test/DebugTimerTest.java	Fri Jul 07 10:37:52 2017 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,98 +0,0 @@
-/*
- * Copyright (c) 2013, 2015, 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.graalvm.compiler.debug.test;
-
-import static org.junit.Assert.assertEquals;
-
-import java.lang.management.ThreadMXBean;
-
-import org.graalvm.compiler.debug.Debug;
-import org.graalvm.compiler.debug.DebugCloseable;
-import org.graalvm.compiler.debug.DebugConfig;
-import org.graalvm.compiler.debug.DebugConfigScope;
-import org.graalvm.compiler.debug.DebugTimer;
-import org.graalvm.compiler.debug.Management;
-import org.graalvm.compiler.options.OptionValues;
-import org.graalvm.util.EconomicMap;
-import org.junit.Assume;
-import org.junit.Before;
-import org.junit.Test;
-
-@SuppressWarnings("try")
-public class DebugTimerTest {
-
-    private static final ThreadMXBean threadMXBean = Management.getThreadMXBean();
-
-    @Before
-    public void checkCapabilities() {
-        Assume.assumeTrue("skipping management interface test", threadMXBean.isCurrentThreadCpuTimeSupported());
-    }
-
-    /**
-     * Actively spins the current thread for at least a given number of milliseconds in such a way
-     * that timers for the current thread keep ticking over.
-     *
-     * @return the number of milliseconds actually spent spinning which is guaranteed to be >=
-     *         {@code ms}
-     */
-    private static long spin(long ms) {
-        long start = threadMXBean.getCurrentThreadCpuTime();
-        do {
-            long durationMS = (threadMXBean.getCurrentThreadCpuTime() - start) / 1000;
-            if (durationMS >= ms) {
-                return durationMS;
-            }
-        } while (true);
-    }
-
-    /**
-     * Asserts that a timer replied recursively without any other interleaving timers has the same
-     * flat and accumulated times.
-     */
-    @Test
-    public void test2() {
-        OptionValues options = new OptionValues(EconomicMap.create());
-        DebugConfig debugConfig = Debug.fixedConfig(options, 0, 0, false, false, true, false, false, null, null, System.out);
-        try (DebugConfigScope dcs = new DebugConfigScope(debugConfig); Debug.Scope s = Debug.scope("DebugTimerTest")) {
-            DebugTimer timerC = Debug.timer("TimerC");
-            try (DebugCloseable c1 = timerC.start()) {
-                spin(50);
-                try (DebugCloseable c2 = timerC.start()) {
-                    spin(50);
-                    try (DebugCloseable c3 = timerC.start()) {
-                        spin(50);
-                        try (DebugCloseable c4 = timerC.start()) {
-                            spin(50);
-                            try (DebugCloseable c5 = timerC.start()) {
-                                spin(50);
-                            }
-                        }
-                    }
-                }
-            }
-            if (timerC.getFlat() != null) {
-                assertEquals(timerC.getFlat().getCurrentValue(), timerC.getCurrentValue());
-            }
-        }
-    }
-}