src/share/vm/services/runtimeService.hpp

Wed, 27 Aug 2014 08:19:12 -0400

author
zgu
date
Wed, 27 Aug 2014 08:19:12 -0400
changeset 7074
833b0f92429a
parent 4165
fb19af007ffc
child 6876
710a3c8b516e
child 7326
6f06ebb09080
permissions
-rw-r--r--

8046598: Scalable Native memory tracking development
Summary: Enhance scalability of native memory tracking
Reviewed-by: coleenp, ctornqvi, gtriantafill

     1 /*
     2  * Copyright (c) 2003, 2012, 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  */
    25 #ifndef SHARE_VM_SERVICES_RUNTIMESERVICE_HPP
    26 #define SHARE_VM_SERVICES_RUNTIMESERVICE_HPP
    28 #include "runtime/perfData.hpp"
    29 #include "runtime/timer.hpp"
    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
    41   static TimeStamp _safepoint_timer;
    42   static TimeStamp _app_timer;
    44 public:
    45   static void init();
    47   static jlong safepoint_sync_time_ms();
    48   static jlong safepoint_count();
    49   static jlong safepoint_time_ms();
    50   static jlong application_time_ms();
    52   static double last_safepoint_time_sec()      { return _safepoint_timer.seconds(); }
    53   static double last_application_time_sec()    { return _app_timer.seconds(); }
    55   // callbacks
    56   static void record_safepoint_begin() NOT_MANAGEMENT_RETURN;
    57   static void record_safepoint_synchronized() NOT_MANAGEMENT_RETURN;
    58   static void record_safepoint_end() NOT_MANAGEMENT_RETURN;
    59   static void record_application_start() NOT_MANAGEMENT_RETURN;
    61   // interruption events
    62   static void record_interrupted_before_count() NOT_MANAGEMENT_RETURN;
    63   static void record_interrupted_during_count() NOT_MANAGEMENT_RETURN;
    64   static void record_thread_interrupt_signaled_count() NOT_MANAGEMENT_RETURN;
    65 };
    67 #endif // SHARE_VM_SERVICES_RUNTIMESERVICE_HPP

mercurial