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.runtime;
  27 
  28 import static jdk.test.lib.Asserts.assertTrue;
  29 
  30 import java.util.ArrayList;
  31 import java.util.List;
  32 import java.util.stream.Collectors;
  33 
  34 import jdk.jfr.Recording;
  35 import jdk.jfr.consumer.RecordedEvent;
  36 import jdk.test.lib.Platform;
  37 import jdk.test.lib.jfr.EventNames;
  38 import jdk.test.lib.jfr.Events;
  39 
  40 /**
  41  * @test
  42  * @bug 8216559
  43  * @key jfr
  44  * @requires vm.hasJFR
  45  * @library /test/lib
  46  * @run main/othervm jdk.jfr.event.runtime.TestNativeLibrariesEvent
  47  */
  48 public class TestNativeLibrariesEvent {
  49 
  50     private final static String EVENT_NAME = EventNames.NativeLibrary;
  51 
  52     public static void main(String[] args) throws Throwable {
  53         Recording recording = new Recording();
  54         recording.enable(EVENT_NAME);
  55         recording.start();
  56         recording.stop();
  57 
  58         List<String> expectedLibs = getExpectedLibs();
  59         for (RecordedEvent event : Events.fromRecording(recording)) {
  60             System.out.println("Event:" + event);
  61             long unsignedTopAddress = event.getValue("topAddress");
  62             long unsignedBaseAddress = event.getValue("baseAddress");
  63             assertValidAddresses(unsignedBaseAddress, unsignedTopAddress);
  64             String lib = Events.assertField(event, "name").notEmpty().getValue();
  65             for (String expectedLib : new ArrayList<>(expectedLibs)) {
  66                 if (lib.contains(expectedLib)) {
  67                     expectedLibs.remove(expectedLib);
  68                 }
  69             }
  70         }
  71         assertTrue(expectedLibs.isEmpty(), "Missing libraries:" + expectedLibs.stream().collect(Collectors.joining(", ")));
  72     }
  73 
  74     private static List<String> getExpectedLibs() throws Throwable {
  75         String libTemplate = null;
  76         if (Platform.isWindows()) {
  77             libTemplate = "%s.dll";
  78         } else if (Platform.isOSX()) {
  79             libTemplate = "lib%s.dylib";
  80         } else if (Platform.isLinux()) {
  81             libTemplate = "lib%s.so";
  82         }
  83         if (libTemplate == null) {
  84             throw new Exception("Unsupported OS");
  85         }
  86 
  87         List<String> libs = new ArrayList<String>();
  88         String[] names = { "jvm", "java", "zip" };
  89         for (String name : names) {
  90             libs.add(String.format(libTemplate, name));
  91         }
  92         return libs;
  93     }
  94 
  95     private static void assertValidAddresses(long unsignedBaseAddress, long unsignedTopAddress) throws Exception {
  96         if (unsignedTopAddress != 0) { // guard against missing value (0)
  97             if (Long.compareUnsigned(unsignedTopAddress, unsignedBaseAddress) < 0) {
  98                 throw new Exception("Top address " + Long.toHexString(unsignedTopAddress) + " is below base addess " + Long.toHexString(unsignedBaseAddress));
  99             }
 100         }
 101     }
 102 }