jdk8-mips64-public/hotspot: src/share/vm/services/runtimeService.hpp@7bb995fbd3c0

     1 /*

     2  * Copyright 2003-2006 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  *

    23  */

    25 class RuntimeService : public AllStatic {

    26 private:

    27   static PerfCounter* _sync_time_ticks;        // Accumulated time spent getting to safepoints

    28   static PerfCounter* _total_safepoints;

    29   static PerfCounter* _safepoint_time_ticks;   // Accumulated time at safepoints

    30   static PerfCounter* _application_time_ticks; // Accumulated time not at safepoints

    31   static PerfCounter* _thread_interrupt_signaled_count;// os:interrupt thr_kill

    32   static PerfCounter* _interrupted_before_count;  // _INTERRUPTIBLE OS_INTRPT

    33   static PerfCounter* _interrupted_during_count;  // _INTERRUPTIBLE OS_INTRPT

    35   static TimeStamp _safepoint_timer;

    36   static TimeStamp _app_timer;

    38 public:

    39   static void init();

    41   static jlong safepoint_sync_time_ms();

    42   static jlong safepoint_count();

    43   static jlong safepoint_time_ms();

    44   static jlong application_time_ms();

    46   static double last_safepoint_time_sec()      { return _safepoint_timer.seconds(); }

    47   static double last_application_time_sec()    { return _app_timer.seconds(); }

    49   // callbacks

    50   static void record_safepoint_begin();

    51   static void record_safepoint_synchronized();

    52   static void record_safepoint_end();

    53   static void record_application_start();

    55   // interruption events

    56   static void record_interrupted_before_count();

    57   static void record_interrupted_during_count();

    58   static void record_thread_interrupt_signaled_count();

    59 };

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