rev 54936 : imported patch 8221734-v3
rev 54937 : imported patch 8221734-v4
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 UnexpectedDeoptimizationAllTest
26 * @key stress
27 * @summary stressing code cache by forcing unexpected deoptimizations of all methods
28 * @library /test/lib /
29 * @modules java.base/jdk.internal.misc
30 * java.management
31 *
32 * @build sun.hotspot.WhiteBox compiler.codecache.stress.Helper compiler.codecache.stress.TestCaseImpl
33 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
34 * sun.hotspot.WhiteBox$WhiteBoxPermission
35 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
36 * -XX:+WhiteBoxAPI -XX:-DeoptimizeRandom
37 * -XX:CompileCommand=dontinline,compiler.codecache.stress.Helper$TestCase::method
38 * -XX:-SegmentedCodeCache
39 * compiler.codecache.stress.UnexpectedDeoptimizationAllTest
40 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
41 * -XX:+WhiteBoxAPI -XX:-DeoptimizeRandom
42 * -XX:CompileCommand=dontinline,compiler.codecache.stress.Helper$TestCase::method
43 * -XX:+SegmentedCodeCache
44 * compiler.codecache.stress.UnexpectedDeoptimizationAllTest
45 */
46
47 package compiler.codecache.stress;
48
49 public class UnexpectedDeoptimizationAllTest implements Runnable {
50
51 public static void main(String[] args) {
52 new CodeCacheStressRunner(new UnexpectedDeoptimizationAllTest()).runTest();
53 }
54
55 @Override
56 public void run() {
57 Helper.WHITE_BOX.deoptimizeAll();
58 try {
59 Thread.currentThread().sleep(10);
60 } catch (Exception e) {
61 }
62 }
63
64 }
--- EOF ---