--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.jvmci.hotspot.jfr/src/com/oracle/jvmci/hotspot/jfr/events/JFREventProvider.java	Mon Jun 01 17:03:29 2015 +0200
@@ -0,0 +1,170 @@
+/*
+ * 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.jfr.events;
+
+import java.net.*;
+
+import com.oracle.jrockit.jfr.*;
+import com.oracle.jvmci.hotspot.*;
+import com.oracle.jvmci.hotspot.events.*;
+import com.oracle.jvmci.hotspot.events.EmptyEventProvider.EmptyCompilerFailureEvent;
+import com.oracle.jvmci.hotspot.events.EmptyEventProvider.EmptyCompilationEvent;
+import com.oracle.jvmci.service.*;
+
+/**
+ * A JFR implementation for {@link EventProvider}. This implementation is used when Flight Recorder
+ * is turned on.
+ */
+@ServiceProvider(EventProvider.class)
+public final class JFREventProvider implements EventProvider {
+
+    private final boolean enabled;
+
+    @SuppressWarnings("deprecation")
+    public JFREventProvider() {
+        enabled = HotSpotJVMCIRuntime.runtime().getConfig().flightRecorder;
+        if (enabled) {
+            try {
+                /*
+                 * The "HotSpot JVM" producer is a native producer and we cannot use it. So we
+                 * create our own. This has the downside that Mission Control is confused and
+                 * doesn't show Graal's events in the "Code" tab. There are plans to revise the JFR
+                 * code for JDK 9.
+                 */
+                Producer producer = new Producer("HotSpot JVM", "Oracle Hotspot JVM", "http://www.oracle.com/hotspot/jvm/");
+                producer.register();
+                // Register event classes with Producer.
+                for (Class<?> c : JFREventProvider.class.getDeclaredClasses()) {
+                    if (c.isAnnotationPresent(EventDefinition.class)) {
+                        assert com.oracle.jrockit.jfr.InstantEvent.class.isAssignableFrom(c) : c;
+                        registerEvent(producer, c);
+                    }
+                }
+            } catch (URISyntaxException e) {
+                throw new InternalError(e);
+            }
+        }
+    }
+
+    /**
+     * Register an event class with the {@link Producer}.
+     *
+     * @param c event class
+     * @return the {@link EventToken event token}
+     */
+    @SuppressWarnings({"deprecation", "javadoc", "unchecked"})
+    private static EventToken registerEvent(Producer producer, Class<?> c) {
+        try {
+            return producer.addEvent((Class<? extends com.oracle.jrockit.jfr.InstantEvent>) c);
+        } catch (InvalidEventDefinitionException | InvalidValueException e) {
+            throw new InternalError(e);
+        }
+    }
+
+    public CompilationEvent newCompilationEvent() {
+        if (enabled) {
+            return new JFRCompilationEvent();
+        }
+        return new EmptyCompilationEvent();
+    }
+
+    /**
+     * A JFR compilation event.
+     *
+     * <p>
+     * See: event {@code Compilation} in {@code src/share/vm/trace/trace.xml}
+     */
+    @SuppressWarnings("deprecation")
+    @EventDefinition(name = "Compilation", path = "vm/compiler/compilation")
+    public static class JFRCompilationEvent extends com.oracle.jrockit.jfr.DurationEvent implements CompilationEvent {
+
+        /*
+         * FIXME method should be a Method* but we can't express that in Java.
+         */
+        @ValueDefinition(name = "Java Method") public String method;
+        @ValueDefinition(name = "Compilation ID", relationKey = "COMP_ID") public int compileId;
+        @ValueDefinition(name = "Compilation Level") public short compileLevel;
+        @ValueDefinition(name = "Succeeded") public boolean succeeded;
+        @ValueDefinition(name = "On Stack Replacement") public boolean isOsr;
+        @ValueDefinition(name = "Compiled Code Size", contentType = ContentType.Bytes) public int codeSize;
+        @ValueDefinition(name = "Inlined Code Size", contentType = ContentType.Bytes) public int inlinedBytes;
+
+        public void setMethod(String method) {
+            this.method = method;
+        }
+
+        public void setCompileId(int id) {
+            this.compileId = id;
+        }
+
+        public void setCompileLevel(int compileLevel) {
+            this.compileLevel = (short) compileLevel;
+        }
+
+        public void setSucceeded(boolean succeeded) {
+            this.succeeded = succeeded;
+        }
+
+        public void setIsOsr(boolean isOsr) {
+            this.isOsr = isOsr;
+        }
+
+        public void setCodeSize(int codeSize) {
+            this.codeSize = codeSize;
+        }
+
+        public void setInlinedBytes(int inlinedBytes) {
+            this.inlinedBytes = inlinedBytes;
+        }
+    }
+
+    public CompilerFailureEvent newCompilerFailureEvent() {
+        if (enabled) {
+            return new JFRCompilerFailureEvent();
+        }
+        return new EmptyCompilerFailureEvent();
+    }
+
+    /**
+     * A JFR compiler failure event.
+     *
+     * <p>
+     * See: event {@code CompilerFailure} in {@code src/share/vm/trace/trace.xml}
+     */
+    @SuppressWarnings("deprecation")
+    @EventDefinition(name = "Compilation Failure", path = "vm/compiler/failure")
+    public static class JFRCompilerFailureEvent extends com.oracle.jrockit.jfr.InstantEvent implements CompilerFailureEvent {
+
+        @ValueDefinition(name = "Compilation ID", relationKey = "COMP_ID") public int compileId;
+        @ValueDefinition(name = "Message", description = "The failure message") public String failure;
+
+        public void setCompileId(int id) {
+            this.compileId = id;
+        }
+
+        public void setMessage(String message) {
+            this.failure = message;
+        }
+    }
+
+}