1 /* 2 * Copyright (c) 2009, 2015, 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. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 package com.sun.hotspot.tools.compiler; 26 27 import java.io.PrintStream; 28 29 /** 30 * The interface of an event from a HotSpot compilation log. Events can have a 31 * duration, e.g., a compiler {@link Phase} is an event, and so is an entire 32 * {@link Compilation}. 33 */ 34 public interface LogEvent { 35 36 /** 37 * The event's start time. 38 */ getStart()39 public double getStart(); 40 41 /** 42 * The event's duration in milliseconds. 43 */ getElapsedTime()44 public double getElapsedTime(); 45 46 /** 47 * The compilation during which this event was signalled. 48 */ getCompilation()49 public Compilation getCompilation(); 50 51 /** 52 * Print the event to the given stream. 53 */ print(PrintStream stream, boolean printID)54 public void print(PrintStream stream, boolean printID); 55 } 56