| /* |
| * Copyright (c) 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. |
| * |
| */ |
| |
| /** |
| * @test |
| * @bug 8136421 |
| * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9") & os.arch != "aarch64" |
| * @library /testlibrary /../../test/lib / |
| * @compile ../common/CompilerToVMHelper.java |
| * @build sun.hotspot.WhiteBox |
| * @run main ClassFileInstaller |
| * sun.hotspot.WhiteBox |
| * sun.hotspot.WhiteBox$WhiteBoxPermission |
| * jdk.vm.ci.hotspot.CompilerToVMHelper |
| * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI |
| * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. |
| * -Xmixed |
| * compiler.jvmci.compilerToVM.ReprofileTest |
| */ |
| |
| package compiler.jvmci.compilerToVM; |
| |
| import compiler.jvmci.common.CTVMUtilities; |
| import java.lang.reflect.Method; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Random; |
| import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethodImpl; |
| import jdk.vm.ci.hotspot.CompilerToVMHelper; |
| import jdk.vm.ci.meta.ProfilingInfo; |
| import jdk.test.lib.Asserts; |
| import jdk.test.lib.Utils; |
| import sun.hotspot.WhiteBox; |
| |
| public class ReprofileTest { |
| |
| private static final WhiteBox WB = WhiteBox.getWhiteBox(); |
| |
| public static void main(String[] args) { |
| List<Method> testCases = createTestCases(); |
| testCases.forEach(ReprofileTest::runSanityTest); |
| } |
| |
| private static List<Method> createTestCases() { |
| List<Method> testCases = new ArrayList<>(); |
| try { |
| |
| Class<?> aClass = DummyClass.class; |
| testCases.add(aClass.getMethod("withLoop")); |
| |
| aClass = DummyClass.class; |
| testCases.add(aClass.getDeclaredMethod("dummyFunction")); |
| } catch (NoSuchMethodException e) { |
| throw new Error("TEST BUG " + e.getMessage(), e); |
| } |
| return testCases; |
| } |
| |
| private static void runSanityTest(Method aMethod) { |
| HotSpotResolvedJavaMethodImpl method = CTVMUtilities |
| .getResolvedMethod(aMethod); |
| ProfilingInfo startProfile = method.getProfilingInfo(); |
| Asserts.assertFalse(startProfile.isMature(), aMethod |
| + " : profiling info is mature in the begging"); |
| |
| long compileThreshold = (Long) WB.getVMFlag("CompileThreshold"); |
| // make interpreter to profile this method |
| try { |
| Object obj = aMethod.getDeclaringClass().newInstance(); |
| for (long i = 0; i < compileThreshold; i++) { |
| aMethod.invoke(obj); |
| } |
| } catch (ReflectiveOperationException e) { |
| throw new Error("TEST BUG : " + e.getMessage(), e); |
| } |
| ProfilingInfo compProfile = method.getProfilingInfo(); |
| |
| Asserts.assertNE(startProfile.toString(), compProfile.toString(), |
| String.format("%s : profiling info wasn't changed after " |
| + "%d invocations", |
| aMethod, compileThreshold)); |
| Asserts.assertTrue(compProfile.isMature(), |
| String.format("%s is not mature after %d invocations", |
| aMethod, compileThreshold)); |
| |
| CompilerToVMHelper.reprofile(method); |
| ProfilingInfo reprofiledProfile = method.getProfilingInfo(); |
| |
| Asserts.assertNE(startProfile.toString(), reprofiledProfile.toString(), |
| aMethod + " : profiling info wasn't changed after reprofiling"); |
| Asserts.assertNE(compProfile.toString(), reprofiledProfile.toString(), |
| aMethod + " : profiling info didn't change after reprofile"); |
| Asserts.assertFalse(reprofiledProfile.isMature(), aMethod |
| + " : profiling info is mature after reprofiling"); |
| } |
| } |