rev 6868 : 8059216: Make PrintGCApplicationStoppedTime print information about stopping threads
Reviewed-by: dholmes, brutisso

          --- old/src/share/vm/services/runtimeService.hpp
          +++ new/src/share/vm/services/runtimeService.hpp

   1    1  /*
   2    2   * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.
   3    3   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4    4   *
   5    5   * This code is free software; you can redistribute it and/or modify it
   6    6   * under the terms of the GNU General Public License version 2 only, as
   7    7   * published by the Free Software Foundation.
   8    8   *
   9    9   * This code is distributed in the hope that it will be useful, but WITHOUT
  10   10   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11   11   * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12   12   * version 2 for more details (a copy is included in the LICENSE file that
  13   13   * accompanied this code).
  14   14   *
  15   15   * You should have received a copy of the GNU General Public License version
  16   16   * 2 along with this work; if not, write to the Free Software Foundation,
  17   17   * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18   18   *
  19   19   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20   20   * or visit www.oracle.com if you need additional information or have any
  21   21   * questions.
  22   22   *
  23   23   */
  24   24  
  25   25  #ifndef SHARE_VM_SERVICES_RUNTIMESERVICE_HPP
  26   26  #define SHARE_VM_SERVICES_RUNTIMESERVICE_HPP
  27   27  
  28   28  #include "runtime/perfData.hpp"
  29   29  #include "runtime/timer.hpp"
  30   30  
  31   31  class RuntimeService : public AllStatic {
  32   32  private:

  33   33    static PerfCounter* _sync_time_ticks;        // Accumulated time spent getting to safepoints
  34   34    static PerfCounter* _total_safepoints;
  35   35    static PerfCounter* _safepoint_time_ticks;   // Accumulated time at safepoints
  36   36    static PerfCounter* _application_time_ticks; // Accumulated time not at safepoints
  37   37    static PerfCounter* _thread_interrupt_signaled_count;// os:interrupt thr_kill
  38   38    static PerfCounter* _interrupted_before_count;  // _INTERRUPTIBLE OS_INTRPT
  39   39    static PerfCounter* _interrupted_during_count;  // _INTERRUPTIBLE OS_INTRPT
  40   40  
  41   41    static TimeStamp _safepoint_timer;
  42   42    static TimeStamp _app_timer;
       43 +  static double _last_safepoint_sync_time_sec;
  43   44  
  44   45  public:
  45   46    static void init();
  46   47  
  47   48    static jlong safepoint_sync_time_ms();
  48   49    static jlong safepoint_count();
  49   50    static jlong safepoint_time_ms();
  50   51    static jlong application_time_ms();
  51   52  
  52   53    static double last_safepoint_time_sec()      { return _safepoint_timer.seconds(); }

  53   54    static double last_application_time_sec()    { return _app_timer.seconds(); }
  54   55  
  55   56    // callbacks
  56   57    static void record_safepoint_begin() NOT_MANAGEMENT_RETURN;
  57   58    static void record_safepoint_synchronized() NOT_MANAGEMENT_RETURN;
  58   59    static void record_safepoint_end() NOT_MANAGEMENT_RETURN;
  59   60    static void record_application_start() NOT_MANAGEMENT_RETURN;
  60   61  
  61   62    // interruption events
  62   63    static void record_interrupted_before_count() NOT_MANAGEMENT_RETURN;
  63   64    static void record_interrupted_during_count() NOT_MANAGEMENT_RETURN;
  64   65    static void record_thread_interrupt_signaled_count() NOT_MANAGEMENT_RETURN;
  65   66  };
  66   67  
  67   68  #endif // SHARE_VM_SERVICES_RUNTIMESERVICE_HPP

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