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") & (vm.opt.TieredStopAtLevel == null | vm.opt.TieredStopAtLevel == 3) 29 * @library /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 * 38 * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper sun.hotspot.WhiteBox 39 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 40 * sun.hotspot.WhiteBox$WhiteBoxPermission 41 * @run main/othervm -Xbootclasspath/a:. 42 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI 43 * -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI 44 * -Xmixed -Xbatch 45 * compiler.jvmci.compilerToVM.ReprofileTest 46 */ 47 48 package compiler.jvmci.compilerToVM; 49 50 import compiler.jvmci.common.CTVMUtilities; 51 import compiler.whitebox.CompilerWhiteBoxTest; 52 import jdk.test.lib.Asserts; 53 import jdk.vm.ci.hotspot.CompilerToVMHelper; 54 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod; 55 import jdk.vm.ci.meta.ProfilingInfo; 56 57 import java.lang.reflect.Method; 58 import java.util.ArrayList; 59 import java.util.List; 60 61 public class ReprofileTest { 62 63 public static void main(String[] args) { 64 List<Method> testCases = createTestCases(); 65 testCases.forEach(ReprofileTest::runSanityTest); 66 } 67 68 private static List<Method> createTestCases() { 69 List<Method> testCases = new ArrayList<>(); 70 try { 71 72 Class<?> aClass = DummyClass.class; 73 testCases.add(aClass.getMethod("dummyInstanceFunction")); 74 75 aClass = DummyClass.class; 76 testCases.add(aClass.getMethod("dummyFunction")); 77 } catch (NoSuchMethodException e) { 78 throw new Error("TEST BUG " + e.getMessage(), e); 79 } 80 return testCases; 81 } 82 83 private static void runSanityTest(Method aMethod) { 84 System.out.println(aMethod); 85 HotSpotResolvedJavaMethod method = CTVMUtilities 86 .getResolvedMethod(aMethod); 87 ProfilingInfo startProfile = method.getProfilingInfo(); 88 Asserts.assertFalse(startProfile.isMature(), aMethod 89 + " : profiling info is mature in the beginning"); 90 91 // make interpreter to profile this method 92 try { 93 Object obj = aMethod.getDeclaringClass().newInstance(); 94 for (long i = 0; i < CompilerWhiteBoxTest.THRESHOLD; i++) { 95 aMethod.invoke(obj); 96 } 97 } catch (ReflectiveOperationException e) { 98 throw new Error("TEST BUG : " + e.getMessage(), e); 99 } 100 ProfilingInfo compProfile = method.getProfilingInfo(); 101 102 Asserts.assertNE(startProfile.toString(), compProfile.toString(), 103 String.format("%s : profiling info wasn't changed after " 104 + "%d invocations", 105 aMethod, CompilerWhiteBoxTest.THRESHOLD)); 106 Asserts.assertTrue(compProfile.isMature(), 107 String.format("%s is not mature after %d invocations", 108 aMethod, CompilerWhiteBoxTest.THRESHOLD)); 109 110 CompilerToVMHelper.reprofile(method); 111 ProfilingInfo reprofiledProfile = method.getProfilingInfo(); 112 113 Asserts.assertNE(startProfile.toString(), reprofiledProfile.toString(), 114 aMethod + " : profiling info wasn't changed after reprofiling"); 115 Asserts.assertNE(compProfile.toString(), reprofiledProfile.toString(), 116 aMethod + " : profiling info didn't change after reprofile"); 117 Asserts.assertFalse(reprofiledProfile.isMature(), aMethod 118 + " : profiling info is mature after reprofiling"); 119 } 120 }