| /* |
| * Copyright (c) 2015, 2016, 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 vm.jvmci & (vm.opt.TieredStopAtLevel == null | vm.opt.TieredStopAtLevel == 4) |
| * @library /test/lib / |
| * @library ../common/patches |
| * @modules java.base/jdk.internal.misc |
| * @modules java.base/jdk.internal.org.objectweb.asm |
| * java.base/jdk.internal.org.objectweb.asm.tree |
| * jdk.internal.vm.ci/jdk.vm.ci.hotspot |
| * jdk.internal.vm.ci/jdk.vm.ci.code |
| * jdk.internal.vm.ci/jdk.vm.ci.meta |
| * |
| * @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper sun.hotspot.WhiteBox |
| * @run driver ClassFileInstaller sun.hotspot.WhiteBox |
| * sun.hotspot.WhiteBox$WhiteBoxPermission |
| * @run main/othervm -Xbootclasspath/a:. |
| * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI |
| * -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI |
| * -Xmixed -Xbatch |
| * compiler.jvmci.compilerToVM.ReprofileTest |
| */ |
| |
| package compiler.jvmci.compilerToVM; |
| |
| import compiler.jvmci.common.CTVMUtilities; |
| import compiler.whitebox.CompilerWhiteBoxTest; |
| import jdk.test.lib.Asserts; |
| import jdk.vm.ci.hotspot.CompilerToVMHelper; |
| import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod; |
| import jdk.vm.ci.meta.ProfilingInfo; |
| |
| import java.lang.reflect.Method; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public class ReprofileTest { |
| |
| 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("dummyInstanceFunction")); |
| |
| aClass = DummyClass.class; |
| testCases.add(aClass.getMethod("dummyFunction")); |
| } catch (NoSuchMethodException e) { |
| throw new Error("TEST BUG " + e.getMessage(), e); |
| } |
| return testCases; |
| } |
| |
| private static void runSanityTest(Method aMethod) { |
| System.out.println(aMethod); |
| HotSpotResolvedJavaMethod method = CTVMUtilities |
| .getResolvedMethod(aMethod); |
| ProfilingInfo startProfile = method.getProfilingInfo(); |
| Asserts.assertFalse(startProfile.isMature(), aMethod |
| + " : profiling info is mature in the beginning"); |
| |
| // make interpreter to profile this method |
| try { |
| Object obj = aMethod.getDeclaringClass().newInstance(); |
| for (long i = 0; i < CompilerWhiteBoxTest.THRESHOLD; 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, CompilerWhiteBoxTest.THRESHOLD)); |
| Asserts.assertTrue(compProfile.isMature(), |
| String.format("%s is not mature after %d invocations", |
| aMethod, CompilerWhiteBoxTest.THRESHOLD)); |
| |
| 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"); |
| } |
| } |