| /* |
| * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package jdk.jfr.event.runtime; |
| |
| import java.time.Duration; |
| import java.util.List; |
| |
| import jdk.jfr.Recording; |
| import jdk.jfr.consumer.RecordedClass; |
| import jdk.jfr.consumer.RecordedEvent; |
| import jdk.jfr.consumer.RecordedFrame; |
| import jdk.jfr.consumer.RecordedStackTrace; |
| import jdk.jfr.consumer.RecordedThread; |
| import jdk.test.lib.Asserts; |
| import jdk.test.lib.jfr.EventNames; |
| import jdk.test.lib.jfr.Events; |
| |
| /* |
| * @test |
| * @key jfr |
| * @library /test/lib |
| * @run main/othervm jdk.jfr.event.runtime.TestExceptionEvents |
| */ |
| public class TestExceptionEvents { |
| |
| private static final String EXCEPTION_EVENT_PATH = EventNames.JavaExceptionThrow; |
| private static final String ERROR_EVENT_PATH = EventNames.JavaErrorThrow; |
| private static final String EXCEPTION_STATISTICS_PATH = EventNames.ExceptionStatistics; |
| |
| private static final String EXCEPTION_MESSAGE = "exceptiontest"; |
| private static final String ERROR_MESSAGE = "errortest"; |
| private static final String THROWABLE_MESSAGE = "throwabletest"; |
| |
| private static final int ITERATIONS = 10; |
| |
| private static int exceptionCount = 0; |
| |
| public static void main(String[] args) throws Throwable { |
| Recording recording = createRecording(); |
| |
| List<RecordedEvent> events = Events.fromRecording(recording); |
| checkStatisticsEvent(events, exceptionCount); |
| checkThrowableEvents(events, EXCEPTION_EVENT_PATH, ITERATIONS, MyException.class, EXCEPTION_MESSAGE); |
| checkThrowableEvents(events, ERROR_EVENT_PATH, ITERATIONS, MyError.class, ERROR_MESSAGE); |
| checkThrowableEvents(events, EXCEPTION_EVENT_PATH, ITERATIONS, MyThrowable.class, THROWABLE_MESSAGE); |
| checkExceptionStackTrace(); |
| } |
| |
| private static void checkExceptionStackTrace() throws Exception { |
| @SuppressWarnings("serial") |
| class TestError extends Error { |
| } |
| @SuppressWarnings("serial") |
| class TestException extends Exception { |
| } |
| |
| try (Recording r = new Recording()) { |
| r.enable(EventNames.JavaErrorThrow).withStackTrace(); |
| r.enable(EventNames.JavaExceptionThrow).withStackTrace(); |
| r.start(); |
| try { |
| throw new TestError(); |
| } catch (Error e) { |
| System.out.println(e.getClass() + " thrown!"); |
| } |
| try { |
| throw new TestException(); |
| } catch (Exception e) { |
| System.out.println(e.getClass() + " thrown!"); |
| } |
| try { |
| throw new Exception(); |
| } catch (Exception e) { |
| System.out.println(e.getClass() + " thrown!"); |
| } |
| r.stop(); |
| List<RecordedEvent> events = Events.fromRecording(r); |
| Events.hasEvents(events); |
| for (RecordedEvent e : events) { |
| RecordedStackTrace rs = e.getStackTrace(); |
| RecordedClass rc = e.getValue("thrownClass"); |
| List<RecordedFrame> frames = rs.getFrames(); |
| RecordedFrame topFrame = frames.get(0); |
| System.out.println(rc.getName() + " Top frame: " + topFrame.getMethod().getName()); |
| if (!topFrame.getMethod().getName().equals("<init>")) { |
| throw new Exception("Expected name of top frame to be <init>"); |
| } |
| } |
| } |
| } |
| |
| private static Recording createRecording() throws Exception { |
| Recording recording = new Recording(); |
| recording.enable(EXCEPTION_STATISTICS_PATH); |
| recording.enable(EXCEPTION_EVENT_PATH).withThreshold(Duration.ofMillis(0)); |
| recording.enable(ERROR_EVENT_PATH).withThreshold(Duration.ofMillis(0)); |
| recording.start(); |
| |
| for (int i = 0; i < ITERATIONS; i++) { |
| try { |
| throw new MyException(EXCEPTION_MESSAGE); |
| } catch (MyException e) { |
| exceptionCount++; |
| } |
| try { |
| throw new MyError(ERROR_MESSAGE); |
| } catch (MyError e) { |
| exceptionCount++; |
| } |
| try { |
| throw new MyThrowable(THROWABLE_MESSAGE); |
| } catch (MyThrowable t) { |
| exceptionCount++; |
| } |
| } |
| recording.stop(); |
| return recording; |
| } |
| |
| |
| private static void checkStatisticsEvent(List<RecordedEvent> events, long minCount) throws Exception { |
| // Events are not guaranteed to be in chronological order, take highest value. |
| long count = -1; |
| for(RecordedEvent event : events) { |
| if (Events.isEventType(event, EXCEPTION_STATISTICS_PATH)) { |
| System.out.println("Event: " + event); |
| count = Math.max(count, Events.assertField(event, "throwables").getValue()); |
| System.out.println("count=" + count); |
| } |
| } |
| Asserts.assertTrue(count != -1, "No events of type " + EXCEPTION_STATISTICS_PATH); |
| Asserts.assertGreaterThanOrEqual(count, minCount, "Too few exception count in statistics event"); |
| } |
| |
| private static void checkThrowableEvents(List<RecordedEvent> events, String eventName, |
| int excpectedEvents, Class<?> expectedClass, String expectedMessage) throws Exception { |
| int count = 0; |
| for(RecordedEvent event : events) { |
| if (Events.isEventType(event, eventName)) { |
| String message = Events.assertField(event, "message").getValue(); |
| if (expectedMessage.equals(message)) { |
| RecordedThread t = event.getThread(); |
| String threadName = t.getJavaName(); |
| if (threadName != null && threadName.equals(Thread.currentThread().getName())) { |
| RecordedClass jc = event.getValue("thrownClass"); |
| if (jc.getName().equals(expectedClass.getName())) { |
| count++; |
| } |
| } |
| } |
| } |
| } |
| Asserts.assertEquals(count, excpectedEvents, "Wrong event count for type " + eventName); |
| } |
| |
| private static class MyException extends Exception { |
| private static final long serialVersionUID = -2614309279743448910L; |
| public MyException(String msg) { |
| super(msg); |
| } |
| } |
| |
| private static class MyError extends Error { |
| private static final long serialVersionUID = -8519872786387358196L; |
| public MyError(String msg) { |
| super(msg); |
| } |
| } |
| |
| private static class MyThrowable extends Throwable { |
| private static final long serialVersionUID = -7929442863511070361L; |
| public MyThrowable(String msg) { |
| super(msg); |
| } |
| } |
| } |