Mercurial > jdk8-mips64-public > hotspot / changeset

     1.1 --- a/test/TEST.groups	Wed Sep 03 15:26:06 2014 +0400
     1.2 +++ b/test/TEST.groups	Tue Sep 09 09:48:42 2014 -0700
     1.3 @@ -82,6 +82,7 @@
     1.4    runtime/NMT/MallocSiteHashOverflow.java \
     1.5    runtime/NMT/MallocStressTest.java \
     1.6    runtime/NMT/MallocTestType.java \
     1.7 +  runtime/NMT/MallocTrackingVerify.java \
     1.8    runtime/NMT/ReleaseCommittedMemory.java \
     1.9    runtime/NMT/ReleaseNoCommit.java \
    1.10    runtime/NMT/ShutdownTwice.java \

     2.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     2.2 +++ b/test/runtime/NMT/MallocTrackingVerify.java	Tue Sep 09 09:48:42 2014 -0700
     2.3 @@ -0,0 +1,105 @@
     2.4 +/*
     2.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
     2.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     2.7 + *
     2.8 + * This code is free software; you can redistribute it and/or modify it
     2.9 + * under the terms of the GNU General Public License version 2 only, as
    2.10 + * published by the Free Software Foundation.
    2.11 + *
    2.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    2.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    2.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    2.15 + * version 2 for more details (a copy is included in the LICENSE file that
    2.16 + * accompanied this code).
    2.17 + *
    2.18 + * You should have received a copy of the GNU General Public License version
    2.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    2.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    2.21 + *
    2.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    2.23 + * or visit www.oracle.com if you need additional information or have any
    2.24 + * questions.
    2.25 + */
    2.26 +
    2.27 +/*
    2.28 + * @test
    2.29 + * @bug 8054836
    2.30 + * @summary Test to verify correctness of malloc tracking
    2.31 + * @key nmt jcmd
    2.32 + * @library /testlibrary /testlibrary/whitebox
    2.33 + * @build MallocTrackingVerify
    2.34 + * @run main ClassFileInstaller sun.hotspot.WhiteBox
    2.35 + * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail MallocTrackingVerify
    2.36 + *
    2.37 + */
    2.38 +
    2.39 +import java.util.ArrayList;
    2.40 +import java.util.Random;
    2.41 +
    2.42 +import com.oracle.java.testlibrary.*;
    2.43 +
    2.44 +import sun.hotspot.WhiteBox;
    2.45 +
    2.46 +public class MallocTrackingVerify {
    2.47 +    private static int MAX_ALLOC = 4 * 1024;
    2.48 +
    2.49 +    static ArrayList<MallocMemory> mallocd_memory = new ArrayList<MallocMemory>();
    2.50 +    static long mallocd_total = 0;
    2.51 +    public static WhiteBox wb = WhiteBox.getWhiteBox();
    2.52 +
    2.53 +    public static void main(String args[]) throws Exception {
    2.54 +        OutputAnalyzer output;
    2.55 +
    2.56 +        // Grab my own PID
    2.57 +        String pid = Integer.toString(ProcessTools.getProcessId());
    2.58 +        ProcessBuilder pb = new ProcessBuilder();
    2.59 +
    2.60 +        Random random = new Random();
    2.61 +        // Allocate small amounts of memory with random pseudo call stack
    2.62 +        while (mallocd_total < MAX_ALLOC) {
    2.63 +            int size = random.nextInt(31) + 1;
    2.64 +            long addr = wb.NMTMallocWithPseudoStack(size, random.nextInt());
    2.65 +            if (addr != 0) {
    2.66 +                MallocMemory mem = new MallocMemory(addr, size);
    2.67 +                mallocd_memory.add(mem);
    2.68 +                mallocd_total += size;
    2.69 +            } else {
    2.70 +                System.out.println("Out of malloc memory");
    2.71 +                break;
    2.72 +            }
    2.73 +        }
    2.74 +
    2.75 +        pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "summary" });
    2.76 +        output = new OutputAnalyzer(pb.start());
    2.77 +        output.shouldContain("Test (reserved=4KB, committed=4KB)");
    2.78 +
    2.79 +        // Free
    2.80 +        for (MallocMemory mem : mallocd_memory) {
    2.81 +            wb.NMTFree(mem.addr());
    2.82 +        }
    2.83 +
    2.84 +        // Run 'jcmd <pid> VM.native_memory summary', check for expected output
    2.85 +        pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid,
    2.86 +                "VM.native_memory", "summary" });
    2.87 +        output = new OutputAnalyzer(pb.start());
    2.88 +        output.shouldNotContain("Test (reserved=");
    2.89 +    }
    2.90 +
    2.91 +    static class MallocMemory {
    2.92 +        private long addr;
    2.93 +        private int size;
    2.94 +
    2.95 +        MallocMemory(long addr, int size) {
    2.96 +            this.addr = addr;
    2.97 +            this.size = size;
    2.98 +        }
    2.99 +
   2.100 +        long addr() {
   2.101 +            return this.addr;
   2.102 +        }
   2.103 +
   2.104 +        int size() {
   2.105 +            return this.size;
   2.106 +        }
   2.107 +    }
   2.108 +}