1 /*
   2  * Copyright (c) 2015, 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  */
  24 
  25 #ifndef SHARE_VM_GC_G1_WORKERDATAARRAY_INLINE_HPP
  26 #define SHARE_VM_GC_G1_WORKERDATAARRAY_INLINE_HPP
  27 
  28 #include "gc/g1/workerDataArray.hpp"
  29 #include "memory/allocation.inline.hpp"
  30 #include "utilities/ostream.hpp"
  31 
  32 template <typename T>
  33 WorkerDataArray<T>::WorkerDataArray(uint length, const char* title) :



  34  _title(title),
  35  _length(0),
  36  _thread_work_items(NULL) {



  37   assert(length > 0, "Must have some workers to store data for");
  38   _length = length;
  39   _data = NEW_C_HEAP_ARRAY(T, _length, mtGC);
  40   reset();
  41 }
  42 
  43 template <typename T>
  44 void WorkerDataArray<T>::set(uint worker_i, T value) {
  45   assert(worker_i < _length, "Worker %d is greater than max: %d", worker_i, _length);
  46   assert(_data[worker_i] == uninitialized(), "Overwriting data for worker %d in %s", worker_i, _title);
  47   _data[worker_i] = value;
  48 }
  49 
  50 template <typename T>
  51 T WorkerDataArray<T>::get(uint worker_i) const {
  52   assert(worker_i < _length, "Worker %d is greater than max: %d", worker_i, _length);
  53   assert(_data[worker_i] != uninitialized(), "No data added for worker %d", worker_i);
  54   return _data[worker_i];
  55 }
  56 
  57 template <typename T>
  58 WorkerDataArray<T>::~WorkerDataArray() {
  59   FREE_C_HEAP_ARRAY(T, _data);
  60 }
  61 
  62 template <typename T>
  63 void WorkerDataArray<T>::link_thread_work_items(WorkerDataArray<size_t>* thread_work_items) {
  64   _thread_work_items = thread_work_items;
  65 }
  66 
  67 template <typename T>
  68 void WorkerDataArray<T>::set_thread_work_item(uint worker_i, size_t value) {
  69   assert(_thread_work_items != NULL, "No sub count");
  70   _thread_work_items->set(worker_i, value);
  71 }
  72 
  73 template <typename T>
  74 void WorkerDataArray<T>::add(uint worker_i, T value) {
  75   assert(worker_i < _length, "Worker %d is greater than max: %d", worker_i, _length);
  76   assert(_data[worker_i] != uninitialized(), "No data to add to for worker %d", worker_i);
  77   _data[worker_i] += value;
  78 }
  79 
  80 template <typename T>
  81 double WorkerDataArray<T>::average(uint active_threads) const {
  82   return sum(active_threads) / (double) active_threads;
  83 }
  84 
  85 template <typename T>
  86 T WorkerDataArray<T>::sum(uint active_threads) const {
  87   T s = get(0);
  88   for (uint i = 1; i < active_threads; ++i) {
  89     s += get(i);
  90   }
  91   return s;
  92 }
  93 
  94 template <typename T>























  95 void WorkerDataArray<T>::clear() {
  96   set_all(0);
  97 }
  98 
  99 template <typename T>
 100 void WorkerDataArray<T>::set_all(T value) {
 101   for (uint i = 0; i < _length; i++) {
 102     _data[i] = value;
 103   }
 104 }
 105 
 106 template <class T>
 107 void WorkerDataArray<T>::print_summary_on(outputStream* out, uint active_threads, bool print_sum) const {
 108   T max = get(0);
 109   T min = max;
 110   T sum = 0;
 111   for (uint i = 1; i < active_threads; ++i) {
 112     T value = get(i);
 113     max = MAX2(max, value);
 114     min = MIN2(min, value);
 115     sum += value;
 116   }
 117   T diff = max - min;
 118   double avg = sum / (double) active_threads;
 119   WDAPrinter::summary(out, title(), min, avg, max, diff, sum, print_sum);
 120 }
 121 
 122 template <class T>
 123 void WorkerDataArray<T>::print_details_on(outputStream* out, uint active_threads) const {
 124   WDAPrinter::details(this, out, active_threads);
 125 }
 126 
 127 #ifndef PRODUCT
 128 template <typename T>
 129 void WorkerDataArray<T>::reset() {
 130   set_all(uninitialized());
 131   if (_thread_work_items != NULL) {
 132     _thread_work_items->reset();
 133   }
 134 }
 135 
 136 template <typename T>
 137 void WorkerDataArray<T>::verify(uint active_threads) const {




 138   assert(active_threads <= _length, "Wrong number of active threads");
 139   for (uint i = 0; i < active_threads; i++) {
 140     assert(_data[i] != uninitialized(),
 141            "Invalid data for worker %u in '%s'", i, _title);
 142   }
 143   if (_thread_work_items != NULL) {
 144     _thread_work_items->verify(active_threads);
 145   }
 146 }
 147 
 148 template <>
 149 inline size_t WorkerDataArray<size_t>::uninitialized() const {
 150   return (size_t)-1;
 151 }
 152 
 153 template <>
 154 inline double WorkerDataArray<double>::uninitialized() const {
 155   return -1.0;
 156 }
 157 #endif
 158 
 159 #endif // SHARE_VM_GC_G1_WORKERDATAARRAY_INLINE_HPP
--- EOF ---