1 /* 2 * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /** 25 * @test 26 * @bug 8136421 27 * @requires vm.jvmci & (vm.opt.TieredStopAtLevel == null | vm.opt.TieredStopAtLevel == 3) 28 * @library /test/lib / 29 * @library ../common/patches 30 * @modules java.base/jdk.internal.misc 31 * @modules java.base/jdk.internal.org.objectweb.asm 32 * java.base/jdk.internal.org.objectweb.asm.tree 33 * jdk.vm.ci/jdk.vm.ci.hotspot 34 * jdk.vm.ci/jdk.vm.ci.code 35 * jdk.vm.ci/jdk.vm.ci.meta 36 * 37 * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper sun.hotspot.WhiteBox 38 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 39 * sun.hotspot.WhiteBox$WhiteBoxPermission 40 * @run main/othervm -Xbootclasspath/a:. 41 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI 42 * -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI 43 * -Xmixed -Xbatch 44 * compiler.jvmci.compilerToVM.ReprofileTest 45 */ 46 47 package compiler.jvmci.compilerToVM; 48 49 import compiler.jvmci.common.CTVMUtilities; 50 import compiler.whitebox.CompilerWhiteBoxTest; 51 import jdk.test.lib.Asserts; 52 import jdk.vm.ci.hotspot.CompilerToVMHelper; 53 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod; 54 import jdk.vm.ci.meta.ProfilingInfo; 55 56 import java.lang.reflect.Method; 57 import java.util.ArrayList; 58 import java.util.List; 59 60 public class ReprofileTest { 61 62 public static void main(String[] args) { 63 List<Method> testCases = createTestCases(); 64 testCases.forEach(ReprofileTest::runSanityTest); 65 } 66 67 private static List<Method> createTestCases() { 68 List<Method> testCases = new ArrayList<>(); 69 try { 70 71 Class<?> aClass = DummyClass.class; 72 testCases.add(aClass.getMethod("dummyInstanceFunction")); 73 74 aClass = DummyClass.class; 75 testCases.add(aClass.getMethod("dummyFunction")); 76 } catch (NoSuchMethodException e) { 77 throw new Error("TEST BUG " + e.getMessage(), e); 78 } 79 return testCases; 80 } 81 82 private static void runSanityTest(Method aMethod) { 83 System.out.println(aMethod); 84 HotSpotResolvedJavaMethod method = CTVMUtilities 85 .getResolvedMethod(aMethod); 86 ProfilingInfo startProfile = method.getProfilingInfo(); 87 Asserts.assertFalse(startProfile.isMature(), aMethod 88 + " : profiling info is mature in the beginning"); 89 90 // make interpreter to profile this method 91 try { 92 Object obj = aMethod.getDeclaringClass().newInstance(); 93 for (long i = 0; i < CompilerWhiteBoxTest.THRESHOLD; i++) { 94 aMethod.invoke(obj); 95 } 96 } catch (ReflectiveOperationException e) { 97 throw new Error("TEST BUG : " + e.getMessage(), e); 98 } 99 ProfilingInfo compProfile = method.getProfilingInfo(); 100 101 Asserts.assertNE(startProfile.toString(), compProfile.toString(), 102 String.format("%s : profiling info wasn't changed after " 103 + "%d invocations", 104 aMethod, CompilerWhiteBoxTest.THRESHOLD)); 105 Asserts.assertTrue(compProfile.isMature(), 106 String.format("%s is not mature after %d invocations", 107 aMethod, CompilerWhiteBoxTest.THRESHOLD)); 108 109 CompilerToVMHelper.reprofile(method); 110 ProfilingInfo reprofiledProfile = method.getProfilingInfo(); 111 112 Asserts.assertNE(startProfile.toString(), reprofiledProfile.toString(), 113 aMethod + " : profiling info wasn't changed after reprofiling"); 114 Asserts.assertNE(compProfile.toString(), reprofiledProfile.toString(), 115 aMethod + " : profiling info didn't change after reprofile"); 116 Asserts.assertFalse(reprofiledProfile.isMature(), aMethod 117 + " : profiling info is mature after reprofiling"); 118 } 119 }