diff -r d5818eeedb40 -r f42c10a3d4b1 src/share/vm/services/diagnosticCommand.cpp
--- a/src/share/vm/services/diagnosticCommand.cpp	Fri Mar 28 15:29:23 2014 -0700
+++ b/src/share/vm/services/diagnosticCommand.cpp	Mon Mar 31 13:09:35 2014 -0700
@@ -53,6 +53,7 @@
   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassStatsDCmd>(full_export, true, false));
 #endif // INCLUDE_SERVICES
   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ThreadDumpDCmd>(full_export, true, false));
+  DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<RotateGCLogDCmd>(full_export, true, false));
 
   // Enhanced JMX Agent Support
   // These commands won't be exported via the DiagnosticCommandMBean until an
@@ -650,3 +651,11 @@
     JavaCalls::call_static(&result, ik, vmSymbols::stopRemoteAgent_name(), vmSymbols::void_method_signature(), CHECK);
 }
 
+void RotateGCLogDCmd::execute(DCmdSource source, TRAPS) {
+  if (UseGCLogFileRotation) {
+    VM_RotateGCLog rotateop(output());
+    VMThread::execute(&rotateop);
+  } else {
+    output()->print_cr("Target VM does not support GC log file rotation.");
+  }
+}