1 /*

     2  * Copyright (c) 2013, 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.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    25 

    26 package jdk.jfr.event.compiler;

    27 

    28 import java.util.List;

    29 

    30 import jdk.jfr.Recording;

    31 import jdk.jfr.consumer.RecordedEvent;

    32 import jdk.test.lib.Asserts;

    33 import jdk.test.lib.jfr.EventNames;

    34 import jdk.test.lib.jfr.Events;

    35 import sun.hotspot.WhiteBox;

    36 

    37 /*

    38  * @test TestCodeCacheConfig

    39  * @key jfr

    40  * @library /test/lib

    41  * @build sun.hotspot.WhiteBox

    42  * @run main ClassFileInstaller sun.hotspot.WhiteBox

    43  *     sun.hotspot.WhiteBox$WhiteBoxPermission

    44  * @run main/othervm -Xbootclasspath/a:.

    45  *     -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI

    46  *     -XX:+SegmentedCodeCache jdk.jfr.event.compiler.TestCodeCacheConfig

    47  * @run main/othervm -Xbootclasspath/a:.

    48  *     -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI

    49  *     -XX:-SegmentedCodeCache jdk.jfr.event.compiler.TestCodeCacheConfig

    50  * @summary check "Code Cache Configuration" jfr event

    51  */

    52 public class TestCodeCacheConfig {

    53     private final static String EVENT_NAME = EventNames.CodeCacheConfiguration;

    54 

    55     private static final long CodeCacheExpectedSize = WhiteBox.getWhiteBox().getUintxVMFlag("ReservedCodeCacheSize");

    56 

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

    58         Recording recording = new Recording();

    59         recording.enable(EVENT_NAME);

    60         recording.start();

    61         recording.stop();

    62 

    63         List<RecordedEvent> events = Events.fromRecording(recording);

    64         Events.hasEvents(events);

    65         RecordedEvent event = events.get(0);

    66         long initialSize = (long) event.getValue("initialSize");

    67         long reservedSize = (long) event.getValue("reservedSize");

    68         long nonNMethodSize = (long) event.getValue("nonNMethodSize");

    69         long profiledSize = (long) event.getValue("profiledSize");

    70         long nonProfiledSize = (long) event.getValue("nonProfiledSize");

    71         long expansionSize = (long) event.getValue("expansionSize");

    72         long minBlockLength = (long) event.getValue("minBlockLength");

    73         long startAddress = (long) event.getValue("startAddress");

    74         long reservedTopAddress = (long) event.getValue("reservedTopAddress");

    75 

    76         Asserts.assertGT(initialSize, 1024L,

    77             "initialSize less than 1024 byte, got " + initialSize);

    78 

    79         Asserts.assertEQ(reservedSize, CodeCacheExpectedSize,

    80             String.format("Unexpected reservedSize value. Expected %d but " + "got %d", CodeCacheExpectedSize, reservedSize));

    81 

    82         Asserts.assertLTE(nonNMethodSize, CodeCacheExpectedSize,

    83             String.format("Unexpected nonNMethodSize value. Expected <= %d but " + "got %d", CodeCacheExpectedSize, nonNMethodSize));

    84 

    85         Asserts.assertLTE(profiledSize, CodeCacheExpectedSize,

    86             String.format("Unexpected profiledSize value. Expected <= %d but " + "got %d", CodeCacheExpectedSize, profiledSize));

    87 

    88         Asserts.assertLTE(nonProfiledSize, CodeCacheExpectedSize,

    89             String.format("Unexpected nonProfiledSize value. Expected <= %d but " + "got %d", CodeCacheExpectedSize, nonProfiledSize));

    90 

    91         Asserts.assertGTE(expansionSize, 1024L,

    92             "expansionSize less than 1024 " + "bytes, got " + expansionSize);

    93 

    94         Asserts.assertGTE(minBlockLength, 1L,

    95             "minBlockLength less than 1 byte, got " + minBlockLength);

    96 

    97         Asserts.assertNE(startAddress, 0L,

    98             "startAddress null");

    99 

   100         Asserts.assertNE(reservedTopAddress, 0L,

   101             "codeCacheReservedTopAddr null");

   102     }

   103 }