rev 57241 : imported patch 8235346-redo-memory-leak
rev 57242 : imported patch 8235341-workerdataarray-cleanup
rev 57243 : [mq]: 8235341-stefanj-review

   1 /*
   2  * Copyright (c) 2015, 2019, 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_GC_SHARED_WORKERDATAARRAY_INLINE_HPP
  26 #define SHARE_GC_SHARED_WORKERDATAARRAY_INLINE_HPP
  27 
  28 #include "gc/shared/workerDataArray.hpp"
  29 #include "memory/allocation.inline.hpp"
  30 #include "utilities/ostream.hpp"
  31 
  32 template <typename T>
  33 WorkerDataArray<T>::WorkerDataArray(const char* title, uint length, bool is_serial) :
  34  _data(NULL),
  35  _length(length),
  36  _title(title),
  37  _is_serial(is_serial) {
  38   assert(length > 0, "Must have some workers to store data for");
  39   assert(!is_serial || length == 1, "Serial phase must only have a single entry.");
  40   _data = NEW_C_HEAP_ARRAY(T, _length, mtGC);
  41   for (uint i = 0; i < MaxThreadWorkItems; i++) {
  42     _thread_work_items[i] = NULL;
  43   }
  44   reset();
  45 }
  46 
  47 template <typename T>
  48 void WorkerDataArray<T>::set(uint worker_i, T value) {
  49   assert(worker_i < _length, "Worker %d is greater than max: %d", worker_i, _length);
  50   assert(_data[worker_i] == uninitialized(), "Overwriting data for worker %d in %s", worker_i, _title);
  51   _data[worker_i] = value;
  52 }
  53 
  54 template <typename T>
  55 T WorkerDataArray<T>::get(uint worker_i) const {
  56   assert(worker_i < _length, "Worker %d is greater than max: %d", worker_i, _length);
  57   return _data[worker_i];
  58 }
  59 
  60 template <typename T>
  61 WorkerDataArray<T>::~WorkerDataArray() {
  62   for (uint i = 0; i < MaxThreadWorkItems; i++) {
  63     delete _thread_work_items[i];
  64   }
  65   FREE_C_HEAP_ARRAY(T, _data);
  66 }
  67 
  68 template <typename T>
  69 void WorkerDataArray<T>::create_thread_work_items(const char* title, uint index, uint length_override) {
  70   assert(index < MaxThreadWorkItems, "Tried to access thread work item %u (max %u)", index, MaxThreadWorkItems);
  71   assert(_thread_work_items[index] == NULL, "Tried to overwrite existing thread work item");
  72   uint length = length_override != 0 ? length_override : _length;
  73   _thread_work_items[index] = new WorkerDataArray<size_t>(title, length);
  74 }
  75 
  76 template <typename T>
  77 void WorkerDataArray<T>::set_thread_work_item(uint worker_i, size_t value, uint index) {
  78   assert(index < MaxThreadWorkItems, "Tried to access thread work item %u (max %u)", index, MaxThreadWorkItems);
  79   assert(_thread_work_items[index] != NULL, "No sub count");
  80   _thread_work_items[index]->set(worker_i, value);
  81 }
  82 
  83 template <typename T>
  84 void WorkerDataArray<T>::add_thread_work_item(uint worker_i, size_t value, uint index) {
  85   assert(index < MaxThreadWorkItems, "Tried to access thread work item %u (max %u)", index, MaxThreadWorkItems);
  86   assert(_thread_work_items[index] != NULL, "No sub count");
  87   _thread_work_items[index]->add(worker_i, value);
  88 }
  89 
  90 template <typename T>
  91 void WorkerDataArray<T>::set_or_add_thread_work_item(uint worker_i, size_t value, uint index) {
  92   assert(index < MaxThreadWorkItems, "Tried to access thread work item %u (max %u)", index, MaxThreadWorkItems);
  93   assert(_thread_work_items[index] != NULL, "No sub count");
  94   if (_thread_work_items[index]->get(worker_i) == _thread_work_items[index]->uninitialized()) {
  95     _thread_work_items[index]->set(worker_i, value);
  96   } else {
  97     _thread_work_items[index]->add(worker_i, value);
  98   }
  99 }
 100 
 101 template <typename T>
 102 size_t WorkerDataArray<T>::get_thread_work_item(uint worker_i, uint index) {
 103   assert(index < MaxThreadWorkItems, "Tried to access thread work item %u (max %u)", index, MaxThreadWorkItems);
 104   assert(_thread_work_items[index] != NULL, "No sub count");
 105   return _thread_work_items[index]->get(worker_i);
 106 }
 107 
 108 template <typename T>
 109 void WorkerDataArray<T>::add(uint worker_i, T value) {
 110   assert(worker_i < _length, "Worker %d is greater than max: %d", worker_i, _length);
 111   assert(_data[worker_i] != uninitialized(), "No data to add to %s for worker %d", _title, worker_i);
 112   _data[worker_i] += value;
 113 }
 114 
 115 template <typename T>
 116 double WorkerDataArray<T>::average() const {
 117   uint contributing_threads = 0;
 118   for (uint i = 0; i < _length; ++i) {
 119     if (get(i) != uninitialized()) {
 120       contributing_threads++;
 121     }
 122   }
 123   if (contributing_threads == 0) {
 124     return 0.0;
 125   }
 126   return sum() / (double) contributing_threads;
 127 }
 128 
 129 template <typename T>
 130 T WorkerDataArray<T>::sum() const {
 131   T s = 0;
 132   for (uint i = 0; i < _length; ++i) {
 133     if (get(i) != uninitialized()) {
 134       s += get(i);
 135     }
 136   }
 137   return s;
 138 }
 139 
 140 template <typename T>
 141 void WorkerDataArray<T>::set_all(T value) {
 142   for (uint i = 0; i < _length; i++) {
 143     _data[i] = value;
 144   }
 145 }
 146 
 147 template <class T>
 148 void WorkerDataArray<T>::print_summary_on(outputStream* out, bool print_sum) const {
 149   if (_is_serial) {
 150     out->print("%s:", title());
 151   } else {
 152     out->print("%-25s", title());
 153   }
 154 
 155   uint start = 0;
 156   while (start < _length && get(start) == uninitialized()) {
 157     start++;
 158   }
 159   if (start < _length) {
 160     if (_is_serial) {
 161       WDAPrinter::summary(out, get(0));
 162     } else {
 163       T min = get(start);
 164       T max = min;
 165       T sum = 0;
 166       uint contributing_threads = 0;
 167       for (uint i = start; i < _length; ++i) {
 168         T value = get(i);
 169         if (value != uninitialized()) {
 170           max = MAX2(max, value);
 171           min = MIN2(min, value);
 172           sum += value;
 173           contributing_threads++;
 174         }
 175       }
 176       T diff = max - min;
 177       assert(contributing_threads != 0, "Must be since we found a used value for the start index");
 178       double avg = sum / (double) contributing_threads;
 179       WDAPrinter::summary(out, min, avg, max, diff, sum, print_sum);
 180       out->print_cr(", Workers: %d", contributing_threads);
 181     }
 182   } else {
 183     // No data for this phase.
 184     out->print_cr(" skipped");
 185   }
 186 }
 187 
 188 template <class T>
 189 void WorkerDataArray<T>::print_details_on(outputStream* out) const {
 190   WDAPrinter::details(this, out);
 191 }
 192 
 193 template <typename T>
 194 void WorkerDataArray<T>::reset() {
 195   set_all(uninitialized());
 196   for (uint i = 0; i < MaxThreadWorkItems; i++) {
 197     if (_thread_work_items[i] != NULL) {
 198       _thread_work_items[i]->reset();
 199     }
 200   }
 201 }
 202 
 203 #endif // SHARE_GC_SHARED_WORKERDATAARRAY_INLINE_HPP
--- EOF ---