1 /* 2 * Copyright (c) 2015, 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 /** 26 * @test 27 * @bug 8136421 28 * @requires (vm.simpleArch == "x64" | vm.simpleArch == "sparcv9" | vm.simpleArch == "aarch64") 29 * @library /testlibrary /test/lib / 30 * @library ../common/patches 31 * @modules java.base/jdk.internal.misc 32 * @modules java.base/jdk.internal.org.objectweb.asm 33 * java.base/jdk.internal.org.objectweb.asm.tree 34 * jdk.vm.ci/jdk.vm.ci.hotspot 35 * jdk.vm.ci/jdk.vm.ci.code 36 * jdk.vm.ci/jdk.vm.ci.meta 37 * @ignore 8157861 38 * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper 39 * @build sun.hotspot.WhiteBox 40 * @build compiler.jvmci.compilerToVM.ReprofileTest 41 * @run main ClassFileInstaller 42 * sun.hotspot.WhiteBox 43 * sun.hotspot.WhiteBox$WhiteBoxPermission 44 * @run main/othervm -Xbootclasspath/a:. 45 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI 46 * -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI 47 * -Xmixed 48 * compiler.jvmci.compilerToVM.ReprofileTest 49 */ 50 51 package compiler.jvmci.compilerToVM; 52 53 import compiler.jvmci.common.CTVMUtilities; 54 import compiler.whitebox.CompilerWhiteBoxTest; 55 import jdk.test.lib.Asserts; 56 import jdk.vm.ci.hotspot.CompilerToVMHelper; 57 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod; 58 import jdk.vm.ci.meta.ProfilingInfo; 59 60 import java.lang.reflect.Method; 61 import java.util.ArrayList; 62 import java.util.List; 63 64 public class ReprofileTest { 65 66 public static void main(String[] args) { 67 List<Method> testCases = createTestCases(); 68 testCases.forEach(ReprofileTest::runSanityTest); 69 } 70 71 private static List<Method> createTestCases() { 72 List<Method> testCases = new ArrayList<>(); 73 try { 74 75 Class<?> aClass = DummyClass.class; 76 testCases.add(aClass.getMethod("dummyInstanceFunction")); 77 78 aClass = DummyClass.class; 79 testCases.add(aClass.getMethod("dummyFunction")); 80 } catch (NoSuchMethodException e) { 81 throw new Error("TEST BUG " + e.getMessage(), e); 82 } 83 return testCases; 84 } 85 86 private static void runSanityTest(Method aMethod) { 87 System.out.println(aMethod); 88 HotSpotResolvedJavaMethod method = CTVMUtilities 89 .getResolvedMethod(aMethod); 90 ProfilingInfo startProfile = method.getProfilingInfo(); 91 Asserts.assertFalse(startProfile.isMature(), aMethod 92 + " : profiling info is mature in the beginning"); 93 94 // make interpreter to profile this method 95 try { 96 Object obj = aMethod.getDeclaringClass().newInstance(); 97 for (long i = 0; i < CompilerWhiteBoxTest.THRESHOLD; i++) { 98 aMethod.invoke(obj); 99 } 100 } catch (ReflectiveOperationException e) { 101 throw new Error("TEST BUG : " + e.getMessage(), e); 102 } 103 ProfilingInfo compProfile = method.getProfilingInfo(); 104 105 Asserts.assertNE(startProfile.toString(), compProfile.toString(), 106 String.format("%s : profiling info wasn't changed after " 107 + "%d invocations", 108 aMethod, CompilerWhiteBoxTest.THRESHOLD)); 109 Asserts.assertTrue(compProfile.isMature(), 110 String.format("%s is not mature after %d invocations", 111 aMethod, CompilerWhiteBoxTest.THRESHOLD)); 112 113 CompilerToVMHelper.reprofile(method); 114 ProfilingInfo reprofiledProfile = method.getProfilingInfo(); 115 116 Asserts.assertNE(startProfile.toString(), reprofiledProfile.toString(), 117 aMethod + " : profiling info wasn't changed after reprofiling"); 118 Asserts.assertNE(compProfile.toString(), reprofiledProfile.toString(), 119 aMethod + " : profiling info didn't change after reprofile"); 120 Asserts.assertFalse(reprofiledProfile.isMature(), aMethod 121 + " : profiling info is mature after reprofiling"); 122 } 123 }