1 /*

     2  * Copyright (c) 2016, 2018, 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 /**

    26  * @test

    27  * @bug 8145221

    28  * @summary After creating an AppCDS archive, run the test with the JFR profiler

    29  *          enabled, and keep calling a method in the archive in a tight loop.

    30  *          This is to test the safe handling of trampoline functions by the

    31  *          profiler.

    32  * @requires vm.hasJFR & vm.cds

    33  * @library /test/lib /test/hotspot/jtreg/runtime/appcds

    34  * @modules java.base/jdk.internal.misc

    35  *          java.management

    36  *          jdk.jartool/sun.tools.jar

    37  * @compile test-classes/MyThread.java

    38  * @compile test-classes/TestWithProfilerHelper.java

    39  * @run driver TestWithProfiler

    40  */

    41 

    42 import jdk.test.lib.BuildHelper;

    43 import jdk.test.lib.process.OutputAnalyzer;

    44 

    45 public class TestWithProfiler {

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

    47         JarBuilder.build("myThread", "MyThread", "TestWithProfilerHelper");

    48         String appJar = TestCommon.getTestJar("myThread.jar");

    49         OutputAnalyzer output = TestCommon.dump(appJar,

    50             TestCommon.list("MyThread", "TestWithProfilerHelper"));

    51         TestCommon.checkDump(output);

    52         output = TestCommon.exec(appJar,

    53             "-XX:+UnlockDiagnosticVMOptions",

    54             "-Xint",

    55             "-XX:+FlightRecorder",

    56             "-XX:StartFlightRecording=duration=15s,filename=myrecording.jfr,settings=profile,dumponexit=true",

    57             "TestWithProfilerHelper");

    58         TestCommon.checkExec(output);

    59     }

    60 }