jdk8-mips64-public/hotspot: test/runtime/NMT/ThreadedVirtualAllocTestType.java@ac12996df59b

8044140: Create NMT (Native Memory Tracking) tests for NMT2
Summary: Create new/modify existing tests for NMT2, which is an internal redesign to address scalability issues in the first implementation.
Reviewed-by: ctornqvi, zgu
Contributed-by: George Triantafillou <george.triantafillou@oracle.com>

     1 /*

     2  * Copyright (c) 2013, 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  */

    24 /*

    25  * @test

    26  * @key nmt jcmd

    27  * @library /testlibrary /testlibrary/whitebox

    28  * @build ThreadedVirtualAllocTestType

    29  * @ignore

    30  * @run main ClassFileInstaller sun.hotspot.WhiteBox

    31  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail ThreadedVirtualAllocTestType

    32  */

    34 import com.oracle.java.testlibrary.*;

    35 import sun.hotspot.WhiteBox;

    37 public class ThreadedVirtualAllocTestType {

    38   public static long addr;

    39   public static final WhiteBox wb = WhiteBox.getWhiteBox();

    40   public static final long commitSize = 128 * 1024;

    41   public static final long reserveSize = 512 * 1024;

    43   public static void main(String args[]) throws Exception {

    44     OutputAnalyzer output;

    46     String pid = Integer.toString(ProcessTools.getProcessId());

    47     ProcessBuilder pb = new ProcessBuilder();

    49     boolean has_nmt_detail = wb.NMTIsDetailSupported();

    50     if (has_nmt_detail) {

    51       System.out.println("NMT detail support detected.");

    52     } else {

    53       System.out.println("NMT detail support not detected.");

    54     }

    56     Thread reserveThread = new Thread() {

    57       public void run() {

    58         addr = wb.NMTReserveMemory(reserveSize);

    59       }

    60     };

    61     reserveThread.start();

    62     reserveThread.join();

    64     pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "detail"});

    65     output = new OutputAnalyzer(pb.start());

    66     output.shouldContain("Test (reserved=512KB, committed=0KB)");

    67     if (has_nmt_detail) {

    68       output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + reserveSize) + "\\] reserved 512KB for Test");

    69     }

    71     Thread commitThread = new Thread() {

    72       public void run() {

    73         wb.NMTCommitMemory(addr, commitSize);

    74       }

    75     };

    76     commitThread.start();

    77     commitThread.join();

    79     output = new OutputAnalyzer(pb.start());

    80     output.shouldContain("Test (reserved=512KB, committed=128KB)");

    81     if (has_nmt_detail) {

    82       output.shouldMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + commitSize) + "\\] committed 128KB");

    83     }

    85     Thread uncommitThread = new Thread() {

    86       public void run() {

    87         wb.NMTUncommitMemory(addr, commitSize);

    88       }

    89     };

    90     uncommitThread.start();

    91     uncommitThread.join();

    93     output = new OutputAnalyzer(pb.start());

    94     output.shouldContain("Test (reserved=512KB, committed=0KB)");

    95     output.shouldNotMatch("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + commitSize) + "\\] committed");

    97     Thread releaseThread = new Thread() {

    98       public void run() {

    99         wb.NMTReleaseMemory(addr, reserveSize);

   100       }

   101     };

   102     releaseThread.start();

   103     releaseThread.join();

   105     output = new OutputAnalyzer(pb.start());

   106     output.shouldNotContain("Test (reserved=");

   107     output.shouldNotContain("\\[0x[0]*" + Long.toHexString(addr) + " - 0x[0]*" + Long.toHexString(addr + reserveSize) + "\\] reserved");

   108   }

   110     }

Mercurial > jdk8-mips64-public > hotspot / file revision

test/runtime/NMT/ThreadedVirtualAllocTestType.java@ac12996df59b

test/runtime/NMT/ThreadedVirtualAllocTestType.java