Fri, 11 Feb 2011 14:15:16 +0100
7018257: jmm_DumpThreads allocates into permgen
Summary: Don't allocate in permgen
Reviewed-by: ysr, sla
duke@435 | 1 | /* |
stefank@2314 | 2 | * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 21 | * questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
stefank@2314 | 25 | #ifndef SHARE_VM_SERVICES_RUNTIMESERVICE_HPP |
stefank@2314 | 26 | #define SHARE_VM_SERVICES_RUNTIMESERVICE_HPP |
stefank@2314 | 27 | |
stefank@2314 | 28 | #include "runtime/perfData.hpp" |
stefank@2314 | 29 | #include "runtime/timer.hpp" |
stefank@2314 | 30 | |
duke@435 | 31 | class RuntimeService : public AllStatic { |
duke@435 | 32 | private: |
duke@435 | 33 | static PerfCounter* _sync_time_ticks; // Accumulated time spent getting to safepoints |
duke@435 | 34 | static PerfCounter* _total_safepoints; |
duke@435 | 35 | static PerfCounter* _safepoint_time_ticks; // Accumulated time at safepoints |
duke@435 | 36 | static PerfCounter* _application_time_ticks; // Accumulated time not at safepoints |
duke@435 | 37 | static PerfCounter* _thread_interrupt_signaled_count;// os:interrupt thr_kill |
duke@435 | 38 | static PerfCounter* _interrupted_before_count; // _INTERRUPTIBLE OS_INTRPT |
duke@435 | 39 | static PerfCounter* _interrupted_during_count; // _INTERRUPTIBLE OS_INTRPT |
duke@435 | 40 | |
duke@435 | 41 | static TimeStamp _safepoint_timer; |
duke@435 | 42 | static TimeStamp _app_timer; |
duke@435 | 43 | |
duke@435 | 44 | public: |
duke@435 | 45 | static void init(); |
duke@435 | 46 | |
duke@435 | 47 | static jlong safepoint_sync_time_ms(); |
duke@435 | 48 | static jlong safepoint_count(); |
duke@435 | 49 | static jlong safepoint_time_ms(); |
duke@435 | 50 | static jlong application_time_ms(); |
duke@435 | 51 | |
duke@435 | 52 | static double last_safepoint_time_sec() { return _safepoint_timer.seconds(); } |
duke@435 | 53 | static double last_application_time_sec() { return _app_timer.seconds(); } |
duke@435 | 54 | |
duke@435 | 55 | // callbacks |
duke@435 | 56 | static void record_safepoint_begin(); |
duke@435 | 57 | static void record_safepoint_synchronized(); |
duke@435 | 58 | static void record_safepoint_end(); |
duke@435 | 59 | static void record_application_start(); |
duke@435 | 60 | |
duke@435 | 61 | // interruption events |
duke@435 | 62 | static void record_interrupted_before_count(); |
duke@435 | 63 | static void record_interrupted_during_count(); |
duke@435 | 64 | static void record_thread_interrupt_signaled_count(); |
duke@435 | 65 | }; |
stefank@2314 | 66 | |
stefank@2314 | 67 | #endif // SHARE_VM_SERVICES_RUNTIMESERVICE_HPP |