duke@435: /*
duke@435:  * Copyright 2003-2006 Sun Microsystems, Inc.  All Rights Reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
duke@435:  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435:  * CA 95054 USA or visit www.sun.com if you need additional information or
duke@435:  * have any questions.
duke@435:  *
duke@435:  */
duke@435: 
duke@435: class RuntimeService : public AllStatic {
duke@435: private:
duke@435:   static PerfCounter* _sync_time_ticks;        // Accumulated time spent getting to safepoints
duke@435:   static PerfCounter* _total_safepoints;
duke@435:   static PerfCounter* _safepoint_time_ticks;   // Accumulated time at safepoints
duke@435:   static PerfCounter* _application_time_ticks; // Accumulated time not at safepoints
duke@435:   static PerfCounter* _thread_interrupt_signaled_count;// os:interrupt thr_kill
duke@435:   static PerfCounter* _interrupted_before_count;  // _INTERRUPTIBLE OS_INTRPT
duke@435:   static PerfCounter* _interrupted_during_count;  // _INTERRUPTIBLE OS_INTRPT
duke@435: 
duke@435:   static TimeStamp _safepoint_timer;
duke@435:   static TimeStamp _app_timer;
duke@435: 
duke@435: public:
duke@435:   static void init();
duke@435: 
duke@435:   static jlong safepoint_sync_time_ms();
duke@435:   static jlong safepoint_count();
duke@435:   static jlong safepoint_time_ms();
duke@435:   static jlong application_time_ms();
duke@435: 
duke@435:   static double last_safepoint_time_sec()      { return _safepoint_timer.seconds(); }
duke@435:   static double last_application_time_sec()    { return _app_timer.seconds(); }
duke@435: 
duke@435:   // callbacks
duke@435:   static void record_safepoint_begin();
duke@435:   static void record_safepoint_synchronized();
duke@435:   static void record_safepoint_end();
duke@435:   static void record_application_start();
duke@435: 
duke@435:   // interruption events
duke@435:   static void record_interrupted_before_count();
duke@435:   static void record_interrupted_during_count();
duke@435:   static void record_thread_interrupt_signaled_count();
duke@435: };