1 /*

     2  * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.

     3  * Copyright (c) 2018 SAP SE. All rights reserved.

     4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     5  *

     6  * This code is free software; you can redistribute it and/or modify it

     7  * under the terms of the GNU General Public License version 2 only, as

     8  * published by the Free Software Foundation.

     9  *

    10  * This code is distributed in the hope that it will be useful, but WITHOUT

    11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    13  * version 2 for more details (a copy is included in the LICENSE file that

    14  * accompanied this code).

    15  *

    16  * You should have received a copy of the GNU General Public License version

    17  * 2 along with this work; if not, write to the Free Software Foundation,

    18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    19  *

    20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    21  * or visit www.oracle.com if you need additional information or have any

    22  * questions.

    23  *

    24  */

    25 

    26 #ifndef SHARE_VM_RUNTIME_THREADSTATISTICS_HPP

    27 #define SHARE_VM_RUNTIME_THREADSTATISTICS_HPP

    28 

    29 #include "jni.h"

    30 #include "runtime/os.hpp"

    31 #include "utilities/globalDefinitions.hpp"

    32 

    33 

    34 class ThreadStatisticalInfo {

    35   // The time stamp the thread was started.

    36   const uint64_t _start_time_stamp;

    37   uint64_t _define_class_count;

    38 

    39 public:

    40   ThreadStatisticalInfo() : _start_time_stamp(os::javaTimeMillis()), _define_class_count(0) {}

    41   uint64_t getStartTime() const             { return _start_time_stamp; }

    42   uint64_t getDefineClassCount() const                    { return  _define_class_count; }

    43   void     setDefineClassCount(uint64_t defineClassCount) { _define_class_count = defineClassCount; }

    44   void     incr_define_class_count()                      { _define_class_count += 1; }

    45   uint64_t getElapsedTime() const           { return os::javaTimeMillis() - getStartTime(); }

    46 };

    47 

    48 #endif // SHARE_VM_RUNTIME_THREADSTATISTICS_HPP