1/*
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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7 * published by the Free Software Foundation.
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22 */
23
24/* @test TestLargePageSizeInBytes
25 * @summary Tests that the flag -XX:LargePageSizeInBytes does not cause warnings on Solaris
26 * @bug 8049536
27 * @library /test/lib
28 * @modules java.base/jdk.internal.misc
29 *          java.management
30 * @run driver TestLargePageSizeInBytes
31 */
32
33import jdk.test.lib.process.OutputAnalyzer;
34import jdk.test.lib.Platform;
35import jdk.test.lib.process.ProcessTools;
36
37public class TestLargePageSizeInBytes {
38    private static long M = 1024L * 1024L;
39    private static long G = 1024L * M;
40
41    public static void main(String[] args) throws Exception {
42        if (!Platform.isSolaris()) {
43            // We only use the syscall mencntl on Solaris
44            return;
45        }
46
47        testLargePageSizeInBytes(4 * M);
48        testLargePageSizeInBytes(256 * M);
49        testLargePageSizeInBytes(512 * M);
50        testLargePageSizeInBytes(2 * G);
51    }
52
53    private static void testLargePageSizeInBytes(long size) throws Exception {
54        ProcessBuilder pb =
55            ProcessTools.createJavaProcessBuilder("-XX:+UseLargePages",
56                                                  "-XX:LargePageSizeInBytes=" + size,
57                                                  "-version");
58
59        OutputAnalyzer out = new OutputAnalyzer(pb.start());
60        out.shouldNotContain("Attempt to use MPSS failed.");
61        out.shouldHaveExitValue(0);
62    }
63}
64