1 /* 2 * Copyright (c) 2003, 2006, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 class RuntimeService : public AllStatic { 26 private: 27 static PerfCounter* _sync_time_ticks; // Accumulated time spent getting to safepoints 28 static PerfCounter* _total_safepoints; 29 static PerfCounter* _safepoint_time_ticks; // Accumulated time at safepoints 30 static PerfCounter* _application_time_ticks; // Accumulated time not at safepoints 31 static PerfCounter* _thread_interrupt_signaled_count;// os:interrupt thr_kill 32 static PerfCounter* _interrupted_before_count; // _INTERRUPTIBLE OS_INTRPT 33 static PerfCounter* _interrupted_during_count; // _INTERRUPTIBLE OS_INTRPT 34 35 static TimeStamp _safepoint_timer; 36 static TimeStamp _app_timer; 37 38 public: 39 static void init(); 40 41 static jlong safepoint_sync_time_ms(); 42 static jlong safepoint_count(); 43 static jlong safepoint_time_ms(); 44 static jlong application_time_ms(); 45 46 static double last_safepoint_time_sec() { return _safepoint_timer.seconds(); } 47 static double last_application_time_sec() { return _app_timer.seconds(); } 48 49 // callbacks 50 static void record_safepoint_begin(); 51 static void record_safepoint_synchronized(); 52 static void record_safepoint_end(); 53 static void record_application_start(); 54 55 // interruption events 56 static void record_interrupted_before_count(); 57 static void record_interrupted_during_count(); 58 static void record_thread_interrupt_signaled_count(); 59 };