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.jfr.EventNames;
  33 import jdk.test.lib.jfr.Events;
  34 
  35 /**
  36  * @test
  37  * @key jfr
  38  * @requires vm.hasJFR
  39  * @library /test/lib
  40  * @run main/othervm jdk.jfr.event.compiler.TestCodeCacheStats
  41  */
  42 
  43 public class TestCodeCacheStats {
  44     private final static String EVENT_NAME = EventNames.CodeCacheStatistics;
  45 
  46     public static void main(String[] args) throws Exception {
  47         Recording recording = new Recording();
  48         recording.enable(EVENT_NAME);
  49         recording.start();
  50         recording.stop();
  51 
  52         List<RecordedEvent> events = Events.fromRecording(recording);
  53         Events.hasEvents(events);
  54         for (RecordedEvent event : events) {
  55             System.out.println("Event:" + event);
  56             Events.assertField(event, "startAddress");
  57             Events.assertField(event, "reservedTopAddress");
  58             Events.assertField(event, "entryCount").atLeast(0);
  59             Events.assertField(event, "methodCount").atLeast(0);
  60             Events.assertField(event, "adaptorCount").atLeast(0);
  61             Events.assertField(event, "unallocatedCapacity").atLeast(1024L);
  62             Events.assertField(event, "fullCount").equal(0);
  63         }
  64     }
  65 }