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