--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/services/runtimeService.hpp	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,59 @@
+/*
+ * Copyright 2003-2006 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+class RuntimeService : public AllStatic {
+private:
+  static PerfCounter* _sync_time_ticks;        // Accumulated time spent getting to safepoints
+  static PerfCounter* _total_safepoints;
+  static PerfCounter* _safepoint_time_ticks;   // Accumulated time at safepoints
+  static PerfCounter* _application_time_ticks; // Accumulated time not at safepoints
+  static PerfCounter* _thread_interrupt_signaled_count;// os:interrupt thr_kill
+  static PerfCounter* _interrupted_before_count;  // _INTERRUPTIBLE OS_INTRPT
+  static PerfCounter* _interrupted_during_count;  // _INTERRUPTIBLE OS_INTRPT
+
+  static TimeStamp _safepoint_timer;
+  static TimeStamp _app_timer;
+
+public:
+  static void init();
+
+  static jlong safepoint_sync_time_ms();
+  static jlong safepoint_count();
+  static jlong safepoint_time_ms();
+  static jlong application_time_ms();
+
+  static double last_safepoint_time_sec()      { return _safepoint_timer.seconds(); }
+  static double last_application_time_sec()    { return _app_timer.seconds(); }
+
+  // callbacks
+  static void record_safepoint_begin();
+  static void record_safepoint_synchronized();
+  static void record_safepoint_end();
+  static void record_application_start();
+
+  // interruption events
+  static void record_interrupted_before_count();
+  static void record_interrupted_during_count();
+  static void record_thread_interrupt_signaled_count();
+};