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 import java.util.Random; 49 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethodImpl; 50 import jdk.vm.ci.hotspot.CompilerToVMHelper; 51 import jdk.vm.ci.meta.ProfilingInfo; 52 import jdk.test.lib.Asserts; 53 import jdk.test.lib.Utils; 54 import sun.hotspot.WhiteBox; 55 56 public class ReprofileTest { 57 58 private static final WhiteBox WB = WhiteBox.getWhiteBox(); 59 60 public static void main(String[] args) { 61 List<Method> testCases = createTestCases(); 62 testCases.forEach(ReprofileTest::runSanityTest); 63 } 64 65 private static List<Method> createTestCases() { 66 List<Method> testCases = new ArrayList<>(); 67 try { 68 69 Class<?> aClass = DummyClass.class; 70 testCases.add(aClass.getMethod("withLoop")); 71 72 aClass = DummyClass.class; 73 testCases.add(aClass.getDeclaredMethod("dummyFunction")); 74 } catch (NoSuchMethodException e) { 75 throw new Error("TEST BUG " + e.getMessage(), e); 76 } 77 return testCases; 78 } 79 80 private static void runSanityTest(Method aMethod) { 81 HotSpotResolvedJavaMethodImpl method = CTVMUtilities 82 .getResolvedMethod(aMethod); 83 ProfilingInfo startProfile = method.getProfilingInfo(); 84 Asserts.assertFalse(startProfile.isMature(), aMethod 85 + " : profiling info is mature in the begging"); 86 87 long compileThreshold = (Long) WB.getVMFlag("CompileThreshold"); 88 // make interpreter to profile this method 89 try { 90 Object obj = aMethod.getDeclaringClass().newInstance(); 91 for (long i = 0; i < compileThreshold; i++) { 92 aMethod.invoke(obj); 93 } 94 } catch (ReflectiveOperationException e) { 95 throw new Error("TEST BUG : " + e.getMessage(), e); 96 } 97 ProfilingInfo compProfile = method.getProfilingInfo(); 98 99 Asserts.assertNE(startProfile.toString(), compProfile.toString(), 100 String.format("%s : profiling info wasn't changed after " 101 + "%d invocations", 102 aMethod, compileThreshold)); 103 Asserts.assertTrue(compProfile.isMature(), 104 String.format("%s is not mature after %d invocations", 105 aMethod, compileThreshold)); 106 107 CompilerToVMHelper.reprofile(method); 108 ProfilingInfo reprofiledProfile = method.getProfilingInfo(); 109 110 Asserts.assertNE(startProfile.toString(), reprofiledProfile.toString(), 111 aMethod + " : profiling info wasn't changed after reprofiling"); 112 Asserts.assertNE(compProfile.toString(), reprofiledProfile.toString(), 113 aMethod + " : profiling info didn't change after reprofile"); 114 Asserts.assertFalse(reprofiledProfile.isMature(), aMethod 115 + " : profiling info is mature after reprofiling"); 116 } 117 }