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comparison test/compiler/startup/NumCompilerThreadsCheck.java @ 20804:7848fc12602b

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Merge with jdk8u40-b25
author Gilles Duboscq <gilles.m.duboscq@oracle.com>
date Tue, 07 Apr 2015 14:58:49 +0200
parents 4356234e712a
children
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20184:84105dcdb05b 20804:7848fc12602b
1 /*
2 * Copyright (c) 2014, 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
26 * @bug 8034775
27 * @summary Ensures correct minimal number of compiler threads (provided by -XX:CICompilerCount=)
28 * @library /testlibrary
29 */
30 import com.oracle.java.testlibrary.*;
31
32 public class NumCompilerThreadsCheck {
33
34 public static void main(String[] args) throws Exception {
35 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:CICompilerCount=-1");
36 OutputAnalyzer out = new OutputAnalyzer(pb.start());
37
38 String expectedOutput = "CICompilerCount of -1 is invalid";
39 out.shouldContain(expectedOutput);
40
41 if (isZeroVm()) {
42 String expectedLowWaterMarkText = "must be at least 0";
43 out.shouldContain(expectedLowWaterMarkText);
44 }
45 }
46
47 private static boolean isZeroVm() {
48 String vmName = System.getProperty("java.vm.name");
49 if (vmName == null) {
50 throw new RuntimeException("No VM name");
51 }
52 if (vmName.toLowerCase().contains("zero")) {
53 return true;
54 }
55 return false;
56 }
57 }