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