test/gc/g1/TestPrintRegionRememberedSetInfo.java

changeset 5122
05a17f270c7e
child 5458
e3c8767c5cf8
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/gc/g1/TestPrintRegionRememberedSetInfo.java	Thu May 16 13:02:33 2013 +0200
     1.3 @@ -0,0 +1,92 @@
     1.4 +/*
     1.5 + * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.23 + * or visit www.oracle.com if you need additional information or have any
    1.24 + * questions.
    1.25 + */
    1.26 +
    1.27 +/**
    1.28 + * @test TestPrintRegionRememberedSetInfo
    1.29 + * @key gc
    1.30 + * @bug 8014240
    1.31 + * @summary Test output of G1PrintRegionRememberedSetInfo
    1.32 + * @library /testlibrary
    1.33 + * @build TestPrintRegionRememberedSetInfo
    1.34 + * @author thomas.schatzl@oracle.com
    1.35 + */
    1.36 +
    1.37 +import com.oracle.java.testlibrary.*;
    1.38 +import java.lang.Thread;
    1.39 +import java.util.ArrayList;
    1.40 +import java.util.Arrays;
    1.41 +
    1.42 +class RunAndWaitForMarking {
    1.43 +    public static void main(String[] args) {
    1.44 +        System.gc();
    1.45 +        try {
    1.46 +            Thread.sleep(200);
    1.47 +        } catch (InterruptedException e) {
    1.48 +        }
    1.49 +    }
    1.50 +}
    1.51 +
    1.52 +public class TestPrintRegionRememberedSetInfo {
    1.53 +
    1.54 +    public static String runTest(String arg) throws Exception {
    1.55 +        ArrayList<String> finalargs = new ArrayList<String>();
    1.56 +        String[] defaultArgs = new String[] {
    1.57 +            "-XX:+UseG1GC",
    1.58 +            "-Xmx10m",
    1.59 +            "-XX:+ExplicitGCInvokesConcurrent",
    1.60 +            "-XX:+UnlockDiagnosticVMOptions",
    1.61 +            "-XX:+G1PrintRegionLivenessInfo",
    1.62 +            "-XX:G1HeapRegionSize=1M",
    1.63 +            "-XX:InitiatingHeapOccupancyPercent=0",
    1.64 +        };
    1.65 +
    1.66 +        finalargs.addAll(Arrays.asList(defaultArgs));
    1.67 +        finalargs.add(arg);
    1.68 +
    1.69 +        finalargs.add(RunAndWaitForMarking.class.getName());
    1.70 +
    1.71 +        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
    1.72 +            finalargs.toArray(new String[0]));
    1.73 +        OutputAnalyzer output = new OutputAnalyzer(pb.start());
    1.74 +        output.shouldHaveExitValue(0);
    1.75 +
    1.76 +        String result = output.getStdout();
    1.77 +        return result;
    1.78 +    }
    1.79 +
    1.80 +    public static void main(String[] args) throws Exception {
    1.81 +        String result;
    1.82 +
    1.83 +        result = runTest("-XX:+G1PrintRegionLivenessInfo");
    1.84 +        // check that we got region statistics output
    1.85 +        if (result.indexOf("PHASE") == -1) {
    1.86 +            throw new RuntimeException("Unexpected output from -XX:+PrintRegionLivenessInfo found.");
    1.87 +        }
    1.88 +
    1.89 +        result = runTest("-XX:-G1PrintRegionLivenessInfo");
    1.90 +        if (result.indexOf("remset") != -1) {
    1.91 +            throw new RuntimeException("Should find remembered set information in output.");
    1.92 +        }
    1.93 +    }
    1.94 +}
    1.95 +

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