| /* |
| * Copyright (c) 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.internal.tool; |
| |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.nio.file.Path; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.function.Predicate; |
| |
| import jdk.jfr.EventType; |
| import jdk.jfr.Timespan; |
| import jdk.jfr.Timestamp; |
| import jdk.jfr.ValueDescriptor; |
| import jdk.jfr.consumer.RecordedEvent; |
| import jdk.jfr.consumer.RecordedObject; |
| import jdk.jfr.consumer.RecordingFile; |
| import jdk.jfr.internal.consumer.JdkJfrConsumer; |
| |
| abstract class EventPrintWriter extends StructuredWriter { |
| |
| enum ValueType { |
| TIMESPAN, TIMESTAMP, OTHER |
| } |
| |
| protected static final String STACK_TRACE_FIELD = "stackTrace"; |
| protected static final String EVENT_THREAD_FIELD = "eventThread"; |
| private static final JdkJfrConsumer PRIVATE_ACCESS = JdkJfrConsumer.instance(); |
| |
| private Predicate<EventType> eventFilter = x -> true; |
| private int stackDepth; |
| |
| // cach that will speed up annotation lookup |
| private Map<ValueDescriptor, ValueType> typeOfValues = new HashMap<>(); |
| |
| EventPrintWriter(PrintWriter p) { |
| super(p); |
| } |
| |
| abstract protected void print(List<RecordedEvent> events); |
| |
| void print(Path source) throws FileNotFoundException, IOException { |
| List<RecordedEvent> events = new ArrayList<>(500_000); |
| printBegin(); |
| try (RecordingFile file = new RecordingFile(source)) { |
| while (file.hasMoreEvents()) { |
| RecordedEvent event = file.readEvent(); |
| if (acceptEvent(event)) { |
| events.add(event); |
| } |
| if (PRIVATE_ACCESS.isLastEventInChunk(file)) { |
| Collections.sort(events, PRIVATE_ACCESS.eventComparator()); |
| print(events); |
| events.clear(); |
| } |
| } |
| } |
| printEnd(); |
| flush(true); |
| } |
| |
| protected void printEnd() { |
| } |
| |
| protected void printBegin() { |
| } |
| |
| public final void setEventFilter(Predicate<EventType> eventFilter) { |
| this.eventFilter = eventFilter; |
| } |
| |
| protected final boolean acceptEvent(RecordedEvent event) { |
| return eventFilter.test(event.getEventType()); |
| } |
| |
| protected final int getStackDepth() { |
| return stackDepth; |
| } |
| |
| protected final boolean isLateField(String name) { |
| return name.equals(EVENT_THREAD_FIELD) || name.equals(STACK_TRACE_FIELD); |
| } |
| |
| public void setStackDepth(int stackDepth) { |
| this.stackDepth = stackDepth; |
| } |
| |
| protected Object getValue(RecordedObject object, ValueDescriptor v) { |
| ValueType valueType = typeOfValues.get(v); |
| if (valueType == null) { |
| valueType = determineValueType(v); |
| typeOfValues.put(v, valueType); |
| } |
| switch (valueType) { |
| case TIMESPAN: |
| return object.getDuration(v.getName()); |
| case TIMESTAMP: |
| return PRIVATE_ACCESS.getOffsetDataTime(object, v.getName()); |
| default: |
| return object.getValue(v.getName()); |
| } |
| } |
| // It's expensive t check |
| private ValueType determineValueType(ValueDescriptor v) { |
| if (v.getAnnotation(Timespan.class) != null) { |
| return ValueType.TIMESPAN; |
| } |
| if (v.getAnnotation(Timestamp.class) != null) { |
| return ValueType.TIMESTAMP; |
| } |
| return ValueType.OTHER; |
| } |
| } |