1 /*

     2  * Copyright (c) 2004, 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  */

    23 

    24 

    25 /* @test

    26  * @bug 5012882

    27  * @summary Test jvmti hprof

    28  *

    29  * @compile -g ../Context.java ../DemoRun.java

    30  * @build MonitorTest

    31  * @run main MonitorTest Context 25 200 1000

    32  */

    33 

    34 /* To create monitor contention, increase the default configuration.

    35  *   Hprof seems to have historically not output anything unless certain

    36  *   limits have been reached on the total contention time.

    37  */

    38 

    39 public class MonitorTest {

    40 

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

    42         DemoRun hprof;

    43 

    44         /* Run JVMTI hprof agent with monitor=y */

    45         hprof = new DemoRun("hprof", "monitor=y,file=monitor.txt");

    46         hprof.runit(args[0]);

    47 

    48         /* Make sure patterns in output look ok */

    49         if (hprof.output_contains("ERROR")) {

    50             throw new RuntimeException("Test failed - ERROR seen in output");

    51         }

    52 

    53         /* Must be a pass. */

    54         System.out.println("Test passed - cleanly terminated");

    55     }

    56 }