--- old/src/share/vm/services/diagnosticCommand.cpp	2015-03-26 15:13:40.154097119 -0700
+++ new/src/share/vm/services/diagnosticCommand.cpp	2015-03-26 15:13:40.009089887 -0700
@@ -26,6 +26,7 @@
 #include "classfile/classLoaderStats.hpp"
 #include "classfile/compactHashtable.hpp"
 #include "gc_implementation/shared/vmGCOperations.hpp"
+#include "oops/method.hpp"
 #include "oops/oop.inline.hpp"
 #include "runtime/javaCalls.hpp"
 #include "runtime/os.hpp"
@@ -68,6 +69,7 @@
   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CompileQueueDCmd>(full_export, true, false));
   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CodeListDCmd>(full_export, true, false));
   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CodeCacheDCmd>(full_export, true, false));
+  DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<MethodUsageDCmd>(full_export, true, false));
 
   // Enhanced JMX Agent Support
   // These commands won't be exported via the DiagnosticCommandMBean until an
@@ -729,3 +731,35 @@
 }
 
 #endif
+
+class VM_DumpMethodUsage : public VM_Operation {
+private:
+  outputStream* _out;
+public:
+  VM_DumpMethodUsage(outputStream* out) {
+    _out = out;
+  }
+
+  virtual VMOp_Type type() const { return VMOp_DumpMethodUsage; }
+
+  virtual void doit() {
+    Method::print_usage(_out);
+  }
+};
+
+MethodUsageDCmd::MethodUsageDCmd(outputStream* output, bool heap) :
+                                       DCmdWithParser(output, heap)
+{}
+
+void MethodUsageDCmd::execute(DCmdSource source, TRAPS) {
+  if (!UnlockDiagnosticVMOptions) {
+    output()->print_cr("VM.method_usage command requires -XX:+UnlockDiagnosticVMOptions");
+    return;
+  }
+  VM_DumpMethodUsage dumper(output());
+  VMThread::execute(&dumper);
+}
+
+int MethodUsageDCmd::num_arguments() {
+  return 0;
+}