--- /dev/null	2016-05-31 09:42:47.975716356 -0700
+++ new/src/jdk.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/HotSpotCompilationIdentifier.java	2016-12-09 00:49:16.103730657 -0800
@@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 2016, 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 org.graalvm.compiler.hotspot;
+
+import org.graalvm.compiler.core.common.CompilationIdentifier;
+import org.graalvm.compiler.core.common.CompilationRequestIdentifier;
+import org.graalvm.compiler.debug.GraalError;
+
+import jdk.vm.ci.hotspot.HotSpotCompilationRequest;
+import jdk.vm.ci.runtime.JVMCICompiler;
+
+/**
+ * {@link CompilationIdentifier} for a {@linkplain HotSpotCompilationRequest hotspot compilation
+ * request}.
+ */
+public class HotSpotCompilationIdentifier implements CompilationRequestIdentifier {
+    private final HotSpotCompilationRequest request;
+
+    public HotSpotCompilationIdentifier(HotSpotCompilationRequest request) {
+        this.request = request;
+    }
+
+    public boolean isOsrCompilation() {
+        return request.getEntryBCI() != JVMCICompiler.INVOCATION_ENTRY_BCI;
+    }
+
+    @Override
+    public final String toString() {
+        return toString(Verbosity.DETAILED);
+    }
+
+    @Override
+    public String toString(Verbosity verbosity) {
+        return buildString(new StringBuilder(), verbosity).toString();
+    }
+
+    protected StringBuilder buildString(StringBuilder sb, Verbosity verbosity) {
+        switch (verbosity) {
+            case ID:
+                buildID(sb);
+                break;
+            case NAME:
+                buildName(sb);
+                break;
+            case DETAILED:
+                buildID(sb);
+                sb.append('[');
+                buildName(sb);
+                if (isOsrCompilation()) {
+                    sb.append("@");
+                    sb.append(request.getEntryBCI());
+                }
+                sb.append(']');
+                break;
+            default:
+                throw new GraalError("unknown verbosity: " + verbosity);
+        }
+        return sb;
+    }
+
+    protected StringBuilder buildName(StringBuilder sb) {
+        return sb.append(request.getMethod().format("%H.%n(%p)"));
+    }
+
+    protected StringBuilder buildID(StringBuilder sb) {
+        if (isOsrCompilation()) {
+            sb.append("HotSpotOSRCompilation-");
+        } else {
+            sb.append("HotSpotCompilation-");
+        }
+        return sb.append(request.getId());
+    }
+
+    @Override
+    public HotSpotCompilationRequest getRequest() {
+        return request;
+    }
+
+}