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      */

    39     public double getStart();

    40 

    41     /**

    42      * The event's duration in milliseconds.

    43      */

    44     public double getElapsedTime();

    45 

    46     /**

    47      * The compilation during which this event was signalled.

    48      */

    49     public Compilation getCompilation();

    50 

    51     /**

    52      * Print the event to the given stream.

    53      */

    54     public void print(PrintStream stream, boolean printID);

    55 }