1/*
2 * Copyright (c) 2014, 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 * @test UsageThresholdExceededTest
26 * @summary verifying that getUsageThresholdCount() returns correct value
27 *     after threshold has been hit
28 * @library /test/lib /
29 * @modules java.base/jdk.internal.misc
30 *          java.management
31 *
32 * @build sun.hotspot.WhiteBox
33 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
34 *                                sun.hotspot.WhiteBox$WhiteBoxPermission
35 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
36 *     -XX:+WhiteBoxAPI -XX:-UseCodeCacheFlushing  -XX:-MethodFlushing
37 *     -XX:CompileCommand=compileonly,null::*
38 *     -XX:+SegmentedCodeCache
39 *     compiler.codecache.jmx.UsageThresholdExceededTest
40 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
41 *     -XX:+WhiteBoxAPI -XX:-UseCodeCacheFlushing  -XX:-MethodFlushing
42 *     -XX:CompileCommand=compileonly,null::*
43 *     -XX:-SegmentedCodeCache
44 *     compiler.codecache.jmx.UsageThresholdExceededTest
45 */
46
47package compiler.codecache.jmx;
48
49import sun.hotspot.code.BlobType;
50
51import java.lang.management.MemoryPoolMXBean;
52
53public class UsageThresholdExceededTest {
54
55    protected final int iterations;
56    private final BlobType btype;
57
58    public UsageThresholdExceededTest(BlobType btype, int iterations) {
59        this.btype = btype;
60        this.iterations = iterations;
61    }
62
63    public static void main(String[] args) {
64        int iterationsCount = Integer.getInteger("jdk.test.lib.iterations", 1);
65        for (BlobType btype : BlobType.getAvailable()) {
66            if (CodeCacheUtils.isCodeHeapPredictable(btype)) {
67                new UsageThresholdExceededTest(btype, iterationsCount).runTest();
68            }
69        }
70    }
71
72    protected void runTest() {
73        MemoryPoolMXBean bean = btype.getMemoryPool();
74        long oldValue = bean.getUsageThresholdCount();
75        for (int i = 0; i < iterations; i++) {
76            CodeCacheUtils.hitUsageThreshold(bean, btype);
77        }
78        CodeCacheUtils.assertEQorGTE(btype, bean.getUsageThresholdCount(), oldValue + iterations,
79                "Unexpected threshold usage count");
80        System.out.printf("INFO: Scenario finished successfully for %s%n", bean.getName());
81    }
82}
83