| /* |
| * Copyright (c) 2003, 2014, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #ifndef SHARE_VM_SERVICES_RUNTIMESERVICE_HPP |
| #define SHARE_VM_SERVICES_RUNTIMESERVICE_HPP |
| |
| #include "runtime/perfData.hpp" |
| #include "runtime/timer.hpp" |
| |
| 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 TimeStamp _safepoint_timer; |
| static TimeStamp _app_timer; |
| static double _last_safepoint_sync_time_sec; |
| |
| 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() NOT_MANAGEMENT_RETURN; |
| static void record_safepoint_synchronized() NOT_MANAGEMENT_RETURN; |
| static void record_safepoint_end() NOT_MANAGEMENT_RETURN; |
| static void record_application_start() NOT_MANAGEMENT_RETURN; |
| |
| }; |
| |
| #endif // SHARE_VM_SERVICES_RUNTIMESERVICE_HPP |