ReprofileTest.java revision 11707:ad7af1afda7a 
1254888Sjilles/*
2254888Sjilles * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
3254888Sjilles * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4254888Sjilles *
5254888Sjilles * This code is free software; you can redistribute it and/or modify it
6254888Sjilles * under the terms of the GNU General Public License version 2 only, as
7254888Sjilles * 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.
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23 */
24
25/**
26 * @test
27 * @bug 8136421
28 * @requires (vm.simpleArch == "x64" | vm.simpleArch == "sparcv9" | vm.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 *
38 * @ignore 8157861
39 * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
40 * @build sun.hotspot.WhiteBox
41 * @build compiler.jvmci.compilerToVM.ReprofileTest
42 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
43 *                                sun.hotspot.WhiteBox$WhiteBoxPermission
44 * @run main/othervm -Xbootclasspath/a:.
45 *                   -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
46 *                   -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
47 *                   -Xmixed
48 *                   compiler.jvmci.compilerToVM.ReprofileTest
49 */
50
51package compiler.jvmci.compilerToVM;
52
53import compiler.jvmci.common.CTVMUtilities;
54import compiler.whitebox.CompilerWhiteBoxTest;
55import jdk.test.lib.Asserts;
56import jdk.vm.ci.hotspot.CompilerToVMHelper;
57import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
58import jdk.vm.ci.meta.ProfilingInfo;
59
60import java.lang.reflect.Method;
61import java.util.ArrayList;
62import java.util.List;
63
64public class ReprofileTest {
65
66    public static void main(String[] args) {
67        List<Method> testCases = createTestCases();
68        testCases.forEach(ReprofileTest::runSanityTest);
69    }
70
71    private static List<Method> createTestCases() {
72        List<Method> testCases = new ArrayList<>();
73        try {
74
75            Class<?> aClass = DummyClass.class;
76            testCases.add(aClass.getMethod("dummyInstanceFunction"));
77
78            aClass = DummyClass.class;
79            testCases.add(aClass.getMethod("dummyFunction"));
80        } catch (NoSuchMethodException e) {
81            throw new Error("TEST BUG " + e.getMessage(), e);
82        }
83        return testCases;
84    }
85
86    private static void runSanityTest(Method aMethod) {
87        System.out.println(aMethod);
88        HotSpotResolvedJavaMethod method = CTVMUtilities
89                .getResolvedMethod(aMethod);
90        ProfilingInfo startProfile = method.getProfilingInfo();
91        Asserts.assertFalse(startProfile.isMature(), aMethod
92                + " : profiling info is mature in the beginning");
93
94        // make interpreter to profile this method
95        try {
96            Object obj = aMethod.getDeclaringClass().newInstance();
97            for (long i = 0; i < CompilerWhiteBoxTest.THRESHOLD; i++) {
98                aMethod.invoke(obj);
99            }
100        } catch (ReflectiveOperationException e) {
101            throw new Error("TEST BUG : " + e.getMessage(), e);
102        }
103        ProfilingInfo compProfile = method.getProfilingInfo();
104
105        Asserts.assertNE(startProfile.toString(), compProfile.toString(),
106                String.format("%s : profiling info wasn't changed after "
107                                + "%d invocations",
108                        aMethod, CompilerWhiteBoxTest.THRESHOLD));
109        Asserts.assertTrue(compProfile.isMature(),
110                String.format("%s is not mature after %d invocations",
111                        aMethod, CompilerWhiteBoxTest.THRESHOLD));
112
113        CompilerToVMHelper.reprofile(method);
114        ProfilingInfo reprofiledProfile = method.getProfilingInfo();
115
116        Asserts.assertNE(startProfile.toString(), reprofiledProfile.toString(),
117                aMethod + " : profiling info wasn't changed after reprofiling");
118        Asserts.assertNE(compProfile.toString(), reprofiledProfile.toString(),
119                aMethod + " : profiling info didn't change after reprofile");
120        Asserts.assertFalse(reprofiledProfile.isMature(), aMethod
121                + " : profiling info is mature after reprofiling");
122    }
123}
124