1 /* 2 * Copyright (c) 2015, 2016, 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 return _data[worker_i]; 54 } 55 56 template <typename T> 57 WorkerDataArray<T>::~WorkerDataArray() { 58 FREE_C_HEAP_ARRAY(T, _data); 59 } 60 61 template <typename T> 62 void WorkerDataArray<T>::link_thread_work_items(WorkerDataArray<size_t>* thread_work_items) { 63 _thread_work_items = thread_work_items; 64 } 65 66 template <typename T> 67 void WorkerDataArray<T>::set_thread_work_item(uint worker_i, size_t value) { 68 assert(_thread_work_items != NULL, "No sub count"); 69 _thread_work_items->set(worker_i, value); 70 } 71 72 template <typename T> 73 void WorkerDataArray<T>::add(uint worker_i, T value) { 74 assert(worker_i < _length, "Worker %d is greater than max: %d", worker_i, _length); 75 assert(_data[worker_i] != uninitialized(), "No data to add to for worker %d", worker_i); 76 _data[worker_i] += value; 77 } 78 79 template <typename T> 80 double WorkerDataArray<T>::average() const { 81 uint contributing_threads = 0; 82 for (uint i = 0; i < _length; ++i) { 83 if (get(i) != uninitialized()) { 84 contributing_threads++; 85 } 86 } 87 if (contributing_threads == 0) { 88 return 0.0; 89 } 90 return sum() / (double) contributing_threads; 91 } 92 93 template <typename T> 94 T WorkerDataArray<T>::sum() const { 95 T s = 0; 96 for (uint i = 0; i < _length; ++i) { 97 if (get(i) != uninitialized()) { 98 s += get(i); 99 } 100 } 101 return s; 102 } 103 104 template <typename T> 105 void WorkerDataArray<T>::set_all(T value) { 106 for (uint i = 0; i < _length; i++) { 107 _data[i] = value; 108 } 109 } 110 111 template <class T> 112 void WorkerDataArray<T>::print_summary_on(outputStream* out, bool print_sum) const { 113 out->print("%-25s", title()); 114 uint start = 0; 115 while (start < _length && get(start) == uninitialized()) { 116 start++; 117 } 118 if (start < _length) { 119 T min = get(start); 120 T max = min; 121 T sum = 0; 122 uint contributing_threads = 0; 123 for (uint i = start; i < _length; ++i) { 124 T value = get(i); 125 if (value != uninitialized()) { 126 max = MAX2(max, value); 127 min = MIN2(min, value); 128 sum += value; 129 contributing_threads++; 130 } 131 } 132 T diff = max - min; 133 assert(contributing_threads != 0, "Must be since we found a used value for the start index"); 134 double avg = sum / (double) contributing_threads; 135 WDAPrinter::summary(out, min, avg, max, diff, sum, print_sum); 136 out->print_cr(", Workers: %d", contributing_threads); 137 } else { 138 // No data for this phase. 139 out->print_cr(" skipped"); 140 } 141 } 142 143 template <class T> 144 void WorkerDataArray<T>::print_details_on(outputStream* out) const { 145 WDAPrinter::details(this, out); 146 } 147 148 template <typename T> 149 void WorkerDataArray<T>::reset() { 150 set_all(uninitialized()); 151 if (_thread_work_items != NULL) { 152 _thread_work_items->reset(); 153 } 154 } 155 156 #endif // SHARE_VM_GC_G1_WORKERDATAARRAY_INLINE_HPP