jdk8-mips64-public/hotspot: src/share/vm/services/runtimeService.hpp@17c778814856

6811367: Fix code in HeapDumper::dump_heap() to avoid buffer overrun
Summary: Check buffer size before using and use dynamic buffer sizes for subsequent calls.
Reviewed-by: kamg, dholmes

     1 /*

     2  * Copyright (c) 2003, 2010, 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();

    57   static void record_safepoint_synchronized();

    58   static void record_safepoint_end();

    59   static void record_application_start();

    61   // interruption events

    62   static void record_interrupted_before_count();

    63   static void record_interrupted_during_count();

    64   static void record_thread_interrupt_signaled_count();

    65 };

    67 #endif // SHARE_VM_SERVICES_RUNTIMESERVICE_HPP

Mercurial > jdk8-mips64-public > hotspot / file revision

src/share/vm/services/runtimeService.hpp@17c778814856

src/share/vm/services/runtimeService.hpp