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  * @requires vm.hasJFR
  41  * @library /test/lib
  42  * @build sun.hotspot.WhiteBox
  43  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  44  *     sun.hotspot.WhiteBox$WhiteBoxPermission
  45  * @run main/othervm -Xbootclasspath/a:.
  46  *     -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
  47  *     -XX:+SegmentedCodeCache jdk.jfr.event.compiler.TestCodeCacheConfig
  48  * @run main/othervm -Xbootclasspath/a:.
  49  *     -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
  50  *     -XX:-SegmentedCodeCache jdk.jfr.event.compiler.TestCodeCacheConfig
  51  * @summary check "Code Cache Configuration" jfr event
  52  */
  53 public class TestCodeCacheConfig {
  54     private final static String EVENT_NAME = EventNames.CodeCacheConfiguration;
  55 
  56     private static final long CodeCacheExpectedSize = WhiteBox.getWhiteBox().getUintxVMFlag("ReservedCodeCacheSize");
  57 
  58     public static void main(String[] args) throws Exception {
  59         Recording recording = new Recording();
  60         recording.enable(EVENT_NAME);
  61         recording.start();
  62         recording.stop();
  63 
  64         List<RecordedEvent> events = Events.fromRecording(recording);
  65         Events.hasEvents(events);
  66         RecordedEvent event = events.get(0);
  67         long initialSize = (long) event.getValue("initialSize");
  68         long reservedSize = (long) event.getValue("reservedSize");
  69         long nonNMethodSize = (long) event.getValue("nonNMethodSize");
  70         long profiledSize = (long) event.getValue("profiledSize");
  71         long nonProfiledSize = (long) event.getValue("nonProfiledSize");
  72         long expansionSize = (long) event.getValue("expansionSize");
  73         long minBlockLength = (long) event.getValue("minBlockLength");
  74         long startAddress = (long) event.getValue("startAddress");
  75         long reservedTopAddress = (long) event.getValue("reservedTopAddress");
  76 
  77         Asserts.assertGT(initialSize, 1024L,
  78             "initialSize less than 1024 byte, got " + initialSize);
  79 
  80         Asserts.assertEQ(reservedSize, CodeCacheExpectedSize,
  81             String.format("Unexpected reservedSize value. Expected %d but " + "got %d", CodeCacheExpectedSize, reservedSize));
  82 
  83         Asserts.assertLTE(nonNMethodSize, CodeCacheExpectedSize,
  84             String.format("Unexpected nonNMethodSize value. Expected <= %d but " + "got %d", CodeCacheExpectedSize, nonNMethodSize));
  85 
  86         Asserts.assertLTE(profiledSize, CodeCacheExpectedSize,
  87             String.format("Unexpected profiledSize value. Expected <= %d but " + "got %d", CodeCacheExpectedSize, profiledSize));
  88 
  89         Asserts.assertLTE(nonProfiledSize, CodeCacheExpectedSize,
  90             String.format("Unexpected nonProfiledSize value. Expected <= %d but " + "got %d", CodeCacheExpectedSize, nonProfiledSize));
  91 
  92         Asserts.assertGTE(expansionSize, 1024L,
  93             "expansionSize less than 1024 " + "bytes, got " + expansionSize);
  94 
  95         Asserts.assertGTE(minBlockLength, 1L,
  96             "minBlockLength less than 1 byte, got " + minBlockLength);
  97 
  98         Asserts.assertNE(startAddress, 0L,
  99             "startAddress null");
 100 
 101         Asserts.assertNE(reservedTopAddress, 0L,
 102             "codeCacheReservedTopAddr null");
 103     }
 104 }