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