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comparison jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/events/EventProvider.java @ 22672:1bbd4a7c274b

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Rename jdk.internal.jvmci to jdk.vm.ci
author Tom Rodriguez <tom.rodriguez@oracle.com>
date Thu, 08 Oct 2015 17:28:41 -0700
parents jvmci/jdk.internal.jvmci.hotspot/src/jdk/internal/jvmci/hotspot/events/EventProvider.java@0e095e2c24e2
children
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22671:97f30e4d0e95 22672:1bbd4a7c274b
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 jdk.vm.ci.hotspot.events;
24
25 /**
26 * A provider that provides a specific implementation for events that can be logged in the compiler.
27 */
28 public interface EventProvider {
29
30 /**
31 * An instant event is an event that is not considered to have taken any time.
32 */
33 interface InstantEvent {
34 /**
35 * Commits the event.
36 */
37 void commit();
38
39 /**
40 * Determines if this particular event instance would be committed to the data stream right
41 * now if application called {@link #commit()}. This in turn depends on whether the event is
42 * enabled and possible other factors.
43 *
44 * @return if this event would be committed on a call to {@link #commit()}.
45 */
46 boolean shouldWrite();
47 }
48
49 /**
50 * Timed events describe an operation that somehow consumes time.
51 */
52 interface TimedEvent extends InstantEvent {
53 /**
54 * Starts the timing for this event.
55 */
56 void begin();
57
58 /**
59 * Ends the timing period for this event.
60 */
61 void end();
62 }
63
64 /**
65 * Creates a new {@link CompilationEvent}.
66 *
67 * @return a compilation event
68 */
69 CompilationEvent newCompilationEvent();
70
71 /**
72 * A compilation event.
73 */
74 interface CompilationEvent extends TimedEvent {
75 void setMethod(String method);
76
77 void setCompileId(int compileId);
78
79 void setCompileLevel(int compileLevel);
80
81 void setSucceeded(boolean succeeded);
82
83 void setIsOsr(boolean isOsr);
84
85 void setCodeSize(int codeSize);
86
87 void setInlinedBytes(int inlinedBytes);
88 }
89
90 /**
91 * Creates a new {@link CompilerFailureEvent}.
92 *
93 * @return a compiler failure event
94 */
95 CompilerFailureEvent newCompilerFailureEvent();
96
97 /**
98 * A compiler failure event.
99 */
100 interface CompilerFailureEvent extends InstantEvent {
101 void setCompileId(int compileId);
102
103 void setMessage(String message);
104 }
105 }