8182701: Modify JVMCI to allow Graal Compiler to expose platform MBean

Reviewed-by: dnsimon, kvn, alanb, mchung, dfuchs

make/common/Modules.gmk

@@ -113,6 +113,7 @@ PLATFORM_MODULES += \
     jdk.crypto.ec \
     jdk.dynalink \
     jdk.incubator.httpclient \
+    jdk.internal.vm.compiler.management \
     jdk.jsobject \
     jdk.localedata \
     jdk.naming.dns \
@@ -215,6 +216,7 @@ endif
 
 ifeq ($(INCLUDE_GRAAL), false)
   MODULES_FILTER += jdk.internal.vm.compiler
+  MODULES_FILTER += jdk.internal.vm.compiler.management
 endif
 
 ################################################################################

src/java.management/share/classes/module-info.java

@@ -64,7 +64,8 @@ module java.management {
     exports sun.management.counter.perf to
         jdk.management.agent;
     exports sun.management.spi to
-        jdk.management;
+        jdk.management,
+        jdk.internal.vm.compiler.management;
 
     uses javax.management.remote.JMXConnectorProvider;
     uses javax.management.remote.JMXConnectorServerProvider;

src/jdk.internal.vm.ci/share/classes/module-info.java

@@ -25,6 +25,9 @@
 
 module jdk.internal.vm.ci {
     exports jdk.vm.ci.services to jdk.internal.vm.compiler;
+    exports jdk.vm.ci.runtime to
+        jdk.internal.vm.compiler,
+        jdk.internal.vm.compiler.management;
 
     uses jdk.vm.ci.services.JVMCIServiceLocator;
     uses jdk.vm.ci.hotspot.HotSpotJVMCIBackendFactory;

src/jdk.internal.vm.compiler.management/share/classes/module-info.java

@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2017, 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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.
+ */
+
+/**
+ * Registers Graal Compiler specific management interfaces for the JVM.
+ *
+ * @moduleGraph
+ * @since 10
+ */
+module jdk.internal.vm.compiler.management {
+    requires java.management;
+    requires jdk.management;
+    requires jdk.internal.vm.ci;
+    requires jdk.internal.vm.compiler;
+
+    provides sun.management.spi.PlatformMBeanProvider with
+        org.graalvm.compiler.hotspot.jmx.GraalMBeans;
+}
+

src/jdk.internal.vm.compiler.management/share/classes/org/graalvm/compiler/hotspot/jmx/GraalMBeans.java

@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 2017, 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.jmx;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import jdk.vm.ci.runtime.JVMCI;
+import jdk.vm.ci.runtime.JVMCICompiler;
+import jdk.vm.ci.runtime.JVMCIRuntime;
+import org.graalvm.compiler.hotspot.HotSpotGraalCompiler;
+import sun.management.spi.PlatformMBeanProvider;
+import sun.management.spi.PlatformMBeanProvider.PlatformComponent;
+
+public final class GraalMBeans extends PlatformMBeanProvider {
+    @Override
+    public List<PlatformComponent<?>> getPlatformComponentList() {
+        List<PlatformComponent<?>> components = new ArrayList<>();
+        try {
+            Object bean = findGraalRuntimeBean();
+            if (bean != null) {
+                components.add(new HotSpotRuntimeMBeanComponent(bean));
+            }
+        } catch (InternalError | LinkageError err) {
+            // go on and ignore
+        }
+        return components;
+    }
+
+    public static Object findGraalRuntimeBean() {
+        JVMCIRuntime r = JVMCI.getRuntime();
+        JVMCICompiler c = r.getCompiler();
+        if (c instanceof HotSpotGraalCompiler) {
+            return ((HotSpotGraalCompiler) c).mbean();
+        }
+        return null;
+    }
+
+    private static final class HotSpotRuntimeMBeanComponent implements PlatformComponent<Object> {
+
+        private final String name;
+        private final Object mbean;
+
+        HotSpotRuntimeMBeanComponent(Object mbean) {
+            this.name = "org.graalvm.compiler.hotspot:type=Options";
+            this.mbean = mbean;
+        }
+
+        @Override
+        public Set<Class<?>> mbeanInterfaces() {
+            return Collections.emptySet();
+        }
+
+        @Override
+        public Set<String> mbeanInterfaceNames() {
+            return Collections.emptySet();
+        }
+
+        @Override
+        public String getObjectNamePattern() {
+            return name;
+        }
+
+        @Override
+        public Map<String, Object> nameToMBeanMap() {
+            return Collections.<String, Object>singletonMap(name, mbean);
+        }
+    }
+}

src/jdk.internal.vm.compiler/share/classes/module-info.java

@@ -50,7 +50,9 @@ module jdk.internal.vm.compiler {
     exports org.graalvm.compiler.core.target            to jdk.aot;
     exports org.graalvm.compiler.debug                  to jdk.aot;
     exports org.graalvm.compiler.graph                  to jdk.aot;
-    exports org.graalvm.compiler.hotspot                to jdk.aot;
+    exports org.graalvm.compiler.hotspot                to
+        jdk.aot,
+        jdk.internal.vm.compiler.management;
     exports org.graalvm.compiler.hotspot.meta           to jdk.aot;
     exports org.graalvm.compiler.hotspot.replacements   to jdk.aot;
     exports org.graalvm.compiler.hotspot.stubs          to jdk.aot;

src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/HotSpotGraalCompiler.java

@@ -282,6 +282,13 @@ public class HotSpotGraalCompiler implements GraalJVMCICompiler {
         return suite;
     }
 
+    public Object mbean() {
+        if (graalRuntime instanceof HotSpotGraalRuntime) {
+            return ((HotSpotGraalRuntime)graalRuntime).mbean();
+        }
+        return null;
+    }
+
     /**
      * Converts {@code method} to a String with {@link JavaMethod#format(String)} and the format
      * string {@code "%H.%n(%p)"}.

src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/HotSpotGraalRuntime.java

@@ -316,4 +316,8 @@ public final class HotSpotGraalRuntime implements HotSpotGraalRuntimeProvider {
     public Map<ExceptionAction, Integer> getCompilationProblemsPerAction() {
         return compilationProblemsPerAction;
     }
+
+    final Object mbean() {
+        return mBean;
+    }
 }