CompilerQueueTest.java revision 8013:f4b8d39bd2a7 
1/*
2 * Copyright (c) 2014, 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 * @test CompilerQueueTest
26 * @bug 8054889
27 * @library /testlibrary
28 * @modules java.base/sun.misc
29 *          java.compiler
30 *          java.management
31 *          jdk.jvmstat/sun.jvmstat.monitor
32 * @ignore 8069160
33 * @build com.oracle.java.testlibrary.*
34 * @build com.oracle.java.testlibrary.dcmd.*
35 * @run testng CompilerQueueTest
36 * @run testng/othervm -XX:-TieredCompilation CompilerQueueTest
37 * @run testng/othervm -Xint CompilerQueueTest
38 * @summary Test of diagnostic command Compiler.queue
39 */
40
41import com.oracle.java.testlibrary.OutputAnalyzer;
42import com.oracle.java.testlibrary.dcmd.CommandExecutor;
43import com.oracle.java.testlibrary.dcmd.JMXExecutor;
44import org.testng.annotations.Test;
45
46import java.util.Iterator;
47
48public class CompilerQueueTest {
49
50    /**
51     * This test calls Jcmd (diagnostic command tool) Compiler.queue and
52     * then parses the output, making sure that the output look ok.
53     *
54     *
55     * Output example:
56     *
57     * Contents of C1 compile queue
58     * ----------------------------
59     * 73       3       java.lang.AbstractStringBuilder::append (50 bytes)
60     * 74       1       java.util.TreeMap::size (5 bytes)
61     * 75       3       java.lang.StringBuilder::append (8 bytes)
62     * 83       3       java.util.TreeMap$ValueIterator::next (8 bytes)
63     * 84       1       javax.management.MBeanFeatureInfo::getName (5 bytes)
64     * ----------------------------
65     * Contents of C2 compile queue
66     * ----------------------------
67     * Empty
68     * ----------------------------
69     *
70     **/
71
72    public void run(CommandExecutor executor) {
73
74        // Get output from dcmd (diagnostic command)
75        OutputAnalyzer output = executor.execute("Compiler.queue");
76        Iterator<String> lines = output.asLines().iterator();
77
78        while (lines.hasNext()) {
79            String str = lines.next();
80            if (str.startsWith("Contents of C")) {
81                match(lines.next(), "----------------------------");
82                str = lines.next();
83                if (!str.equals("Empty")) {
84                    while (str.charAt(0) != '-') {
85                        validateMethodLine(str);
86                        str = lines.next();
87                    }
88                } else {
89                    str = lines.next();
90                }
91                match(str,"----------------------------");
92            } else {
93                Assert.fail("Failed parsing dcmd queue, line: " + str);
94            }
95        }
96    }
97
98    private static void validateMethodLine(String str) {
99        // Skip until package/class name begins. Trim to remove whitespace that
100        // may differ.
101        String name = str.substring(14).trim();
102        int sep = name.indexOf("::");
103        if (sep == -1) {
104            Assert.fail("Failed dcmd queue, didn't find separator :: in: " + name);
105        }
106        try {
107            Class.forName(name.substring(0, sep));
108        } catch (ClassNotFoundException e) {
109            Assert.fail("Failed dcmd queue, Class for name: " + str);
110        }
111    }
112
113    public static void match(String line, String str) {
114        if (!line.equals(str)) {
115            Assert.fail("String equals: " + line + ", " + str);
116        }
117    }
118
119    @Test
120    public void jmx() {
121        run(new JMXExecutor());
122    }
123}
124