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comparison jvmci/com.oracle.jvmci.hotspot/src/com/oracle/jvmci/hotspot/events/EventProvider.java @ 21798:395ac43a8578

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moved JVMCI sources from graal/ to jvmci/ directory
author Doug Simon <doug.simon@oracle.com>
date Tue, 09 Jun 2015 00:22:49 +0200
parents graal/com.oracle.jvmci.hotspot/src/com/oracle/jvmci/hotspot/events/EventProvider.java@77acf6ba2fc0
children
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21797:42452d2dfbec 21798:395ac43a8578
1 /*
2 * Copyright (c) 2014, 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 package com.oracle.jvmci.hotspot.events;
24
25 import com.oracle.jvmci.service.*;
26
27 /**
28 * A provider that provides a specific implementation for events that can be logged in the compiler.
29 */
30 public interface EventProvider extends Service {
31
32 /**
33 * An instant event is an event that is not considered to have taken any time.
34 */
35 interface InstantEvent {
36 /**
37 * Commits the event.
38 */
39 void commit();
40
41 /**
42 * Determines if this particular event instance would be committed to the data stream right
43 * now if application called {@link #commit()}. This in turn depends on whether the event is
44 * enabled and possible other factors.
45 *
46 * @return if this event would be committed on a call to {@link #commit()}.
47 */
48 boolean shouldWrite();
49 }
50
51 /**
52 * Timed events describe an operation that somehow consumes time.
53 */
54 interface TimedEvent extends InstantEvent {
55 /**
56 * Starts the timing for this event.
57 */
58 void begin();
59
60 /**
61 * Ends the timing period for this event.
62 */
63 void end();
64 }
65
66 /**
67 * Creates a new {@link CompilationEvent}.
68 *
69 * @return a compilation event
70 */
71 CompilationEvent newCompilationEvent();
72
73 /**
74 * A compilation event.
75 */
76 interface CompilationEvent extends TimedEvent {
77 void setMethod(String method);
78
79 void setCompileId(int compileId);
80
81 void setCompileLevel(int compileLevel);
82
83 void setSucceeded(boolean succeeded);
84
85 void setIsOsr(boolean isOsr);
86
87 void setCodeSize(int codeSize);
88
89 void setInlinedBytes(int inlinedBytes);
90 }
91
92 /**
93 * Creates a new {@link CompilerFailureEvent}.
94 *
95 * @return a compiler failure event
96 */
97 CompilerFailureEvent newCompilerFailureEvent();
98
99 /**
100 * A compiler failure event.
101 */
102 interface CompilerFailureEvent extends InstantEvent {
103 void setCompileId(int compileId);
104
105 void setMessage(String message);
106 }
107 }