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   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   void     setStartTime(uint64_t timeStamp) { _start_time_stamp = timeStamp; }
  43   uint64_t getDefineClassCount() const                    { return  _define_class_count; }
  44   void     setDefineClassCount(uint64_t defineClassCount) { _define_class_count = defineClassCount; }
  45   void     incr_define_class_count()                      { _define_class_count += 1; }
  46   uint64_t getElapsedTime() const           { return os::javaTimeMillis() - getStartTime(); }
  47 };
  48 
  49 #endif // SHARE_VM_RUNTIME_THREADSTATISTICS_HPP