jdk8-mips64-public/hotspot: test/runtime/NMT/JcmdWithNMTDisabled.java@879c6de913d6

8005013: Add NMT tests
Summary: Add tests for the Native Memory Tracking feature, includes regression tests for 8005936 and 8004802
Reviewed-by: zgu, coleenp

     1 /*

     2  * Copyright (c) 2013, 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  * @summary Verify that jcmd correctly reports that NMT is not enabled

    28  * @library /testlibrary

    29  * First run without enabling NMT

    30  * @run main/othervm JcmdWithNMTDisabled

    31  * Then run with explicitly disabling NMT, should not be any difference

    32  * @run main/othervm -XX:NativeMemoryTracking=off JcmdWithNMTDisabled

    33  */

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

    37 public class JcmdWithNMTDisabled {

    38   static ProcessBuilder pb = new ProcessBuilder();

    39   static String pid;

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

    42     // Grab my own PID

    43     pid = Integer.toString(ProcessTools.getProcessId());

    45     jcmdCommand("summary");

    46     jcmdCommand("detail");

    47     jcmdCommand("baseline");

    48     jcmdCommand("summary.diff");

    49     jcmdCommand("detail.diff");

    50     jcmdCommand("scale=GB");

    51     jcmdCommand("shutdown");

    52   }

    54   // Helper method for invoking different jcmd calls, all should fail with the same message saying NMT is not enabled

    55   public static void jcmdCommand(String command) throws Exception {

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

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

    60     // Verify that jcmd reports that NMT is not enabled

    61     output.shouldContain("Native memory tracking is not enabled");

    62   }

    63 }

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

test/runtime/NMT/JcmdWithNMTDisabled.java@879c6de913d6

test/runtime/NMT/JcmdWithNMTDisabled.java