1 /* 2 * Copyright (c) 2003, 2010, 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 #ifndef SHARE_VM_SERVICES_RUNTIMESERVICE_HPP 26 #define SHARE_VM_SERVICES_RUNTIMESERVICE_HPP 27 28 #include "runtime/perfData.hpp" 29 #include "runtime/timer.hpp" 30 31 class RuntimeService : public AllStatic { 32 private: 33 static PerfCounter* _sync_time_ticks; // Accumulated time spent getting to safepoints 34 static PerfCounter* _total_safepoints; 35 static PerfCounter* _safepoint_time_ticks; // Accumulated time at safepoints 36 static PerfCounter* _application_time_ticks; // Accumulated time not at safepoints 37 static PerfCounter* _thread_interrupt_signaled_count;// os:interrupt thr_kill 38 static PerfCounter* _interrupted_before_count; // _INTERRUPTIBLE OS_INTRPT 39 static PerfCounter* _interrupted_during_count; // _INTERRUPTIBLE OS_INTRPT 40 41 static TimeStamp _safepoint_timer; 42 static TimeStamp _app_timer; 43 44 public: 45 static void init(); 46 47 static jlong safepoint_sync_time_ms(); 48 static jlong safepoint_count(); 49 static jlong safepoint_time_ms(); 50 static jlong application_time_ms(); 51 52 static double last_safepoint_time_sec() { return _safepoint_timer.seconds(); } 53 static double last_application_time_sec() { return _app_timer.seconds(); } 54 55 // callbacks 56 static void record_safepoint_begin(); 57 static void record_safepoint_synchronized(); 58 static void record_safepoint_end(); 59 static void record_application_start(); 60 61 // interruption events 62 static void record_interrupted_before_count(); 63 static void record_interrupted_during_count(); 64 static void record_thread_interrupt_signaled_count(); 65 }; 66 67 #endif // SHARE_VM_SERVICES_RUNTIMESERVICE_HPP