Mercurial > hg > graal-jvmci-8
diff graal/com.oracle.jvmci.hotspot/src/com/oracle/jvmci/hotspot/events/EventProvider.java @ 21631:77acf6ba2fc0
Move EventProvider to jvmci.hotspot, make it a JVMCI Service
author | Gilles Duboscq <gilles.m.duboscq@oracle.com> |
---|---|
date | Mon, 01 Jun 2015 17:03:29 +0200 |
parents | graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/events/EventProvider.java@7340fe377764 |
children |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.jvmci.hotspot/src/com/oracle/jvmci/hotspot/events/EventProvider.java Mon Jun 01 17:03:29 2015 +0200 @@ -0,0 +1,107 @@ +/* + * Copyright (c) 2014, 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. + * + * 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 com.oracle.jvmci.hotspot.events; + +import com.oracle.jvmci.service.*; + +/** + * A provider that provides a specific implementation for events that can be logged in the compiler. + */ +public interface EventProvider extends Service { + + /** + * An instant event is an event that is not considered to have taken any time. + */ + interface InstantEvent { + /** + * Commits the event. + */ + void commit(); + + /** + * Determines if this particular event instance would be committed to the data stream right + * now if application called {@link #commit()}. This in turn depends on whether the event is + * enabled and possible other factors. + * + * @return if this event would be committed on a call to {@link #commit()}. + */ + boolean shouldWrite(); + } + + /** + * Timed events describe an operation that somehow consumes time. + */ + interface TimedEvent extends InstantEvent { + /** + * Starts the timing for this event. + */ + void begin(); + + /** + * Ends the timing period for this event. + */ + void end(); + } + + /** + * Creates a new {@link CompilationEvent}. + * + * @return a compilation event + */ + CompilationEvent newCompilationEvent(); + + /** + * A compilation event. + */ + interface CompilationEvent extends TimedEvent { + void setMethod(String method); + + void setCompileId(int compileId); + + void setCompileLevel(int compileLevel); + + void setSucceeded(boolean succeeded); + + void setIsOsr(boolean isOsr); + + void setCodeSize(int codeSize); + + void setInlinedBytes(int inlinedBytes); + } + + /** + * Creates a new {@link CompilerFailureEvent}. + * + * @return a compiler failure event + */ + CompilerFailureEvent newCompilerFailureEvent(); + + /** + * A compiler failure event. + */ + interface CompilerFailureEvent extends InstantEvent { + void setCompileId(int compileId); + + void setMessage(String message); + } +}