--- /dev/null	2017-01-22 10:16:57.869617664 -0800
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.debug/src/org/graalvm/compiler/debug/DebugMethodMetrics.java	2017-02-15 16:58:18.719839688 -0800
@@ -0,0 +1,124 @@
+/*
+ * Copyright (c) 2015, 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.debug;
+
+import jdk.vm.ci.meta.ResolvedJavaMethod;
+
+/**
+ * A set of debug metrics for all compilations of a {@link ResolvedJavaMethod}. A method metrics
+ * object is a container for several metrics per compilation of a method {@code <Method,List
+ * <CompilationData>>}. Metrics are stored on a per-method per-compilation basis.
+ *
+ * <pre>
+ * DebugMethodMetrics m = Debug.methodMetrics(method);
+ * m.incrementMetric("MyPerCompilationmetric");
+ * </pre>
+ *
+ * In contrast to global metrics like {@link DebugCounter}, {@link DebugTimer} or
+ * {@linkplain DebugMemUseTracker}, method compilation metrics are always associated with a
+ * {@link ResolvedJavaMethod}.
+ */
+public interface DebugMethodMetrics {
+
+    /**
+     * Adds {@code value} to the metric for the current compilation associated with
+     * {@code metricName}. If the metric is yet undefined for the current compilation a new metric
+     * for the given name is defined and the value for it is set to {@code value}.
+     *
+     * @param metricName the name for the metric to be incremented
+     * @param value the value to add to the metric defined by name
+     */
+    void addToMetric(long value, String metricName);
+
+    /**
+     * @see #addToMetric(long, String)
+     */
+    void addToMetric(long value, String format, Object arg1);
+
+    /**
+     * @see #addToMetric(long, String)
+     */
+    void addToMetric(long value, String format, Object arg1, Object arg2);
+
+    /**
+     * @see #addToMetric(long, String)
+     */
+    void addToMetric(long value, String format, Object arg1, Object arg2, Object arg3);
+
+    /**
+     * Adds {@code 1} to the metric for the current compilation associated with {@code metricName}.
+     * If the metric is yet undefined for the current compilation a new metric for the given name is
+     * defined and the value for it is set to {@code value}.
+     *
+     * @param metricName the name for the metric to be incremented
+     */
+    void incrementMetric(String metricName);
+
+    /**
+     * @see #incrementMetric(String)
+     */
+    void incrementMetric(String format, Object arg1);
+
+    /**
+     * @see #incrementMetric(String)
+     */
+    void incrementMetric(String format, Object arg1, Object arg2);
+
+    /**
+     * @see #incrementMetric(String)
+     */
+    void incrementMetric(String format, Object arg1, Object arg2, Object arg3);
+
+    /**
+     * Gets the value of the metric for the current compilation associated with the
+     * {@code metricName} . If the metric is yet undefined for the current compilation {@code 0} is
+     * returned instead.
+     *
+     * @param metricName the name of the metric for which the value will be returned
+     * @return the value of the metric for the given compilation or {@code 0} if it is not defined
+     */
+    long getCurrentMetricValue(String metricName);
+
+    /**
+     * @see #getCurrentMetricValue(String)
+     */
+    long getCurrentMetricValue(String format, Object arg1);
+
+    /**
+     * @see #getCurrentMetricValue(String)
+     */
+    long getCurrentMetricValue(String format, Object arg1, Object arg2);
+
+    /**
+     * @see #getCurrentMetricValue(String)
+     */
+    long getCurrentMetricValue(String format, Object arg1, Object arg2, Object arg3);
+
+    /**
+     * Gets the {@link ResolvedJavaMethod} associated with this {@linkplain DebugMethodMetrics}.
+     *
+     * @return the {@link ResolvedJavaMethod} of the current method metric
+     */
+    ResolvedJavaMethod getMethod();
+
+}