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_HPP 26 #define SHARE_GC_SHARED_WORKERDATAARRAY_HPP 27 28 #include "memory/allocation.hpp" 29 #include "utilities/debug.hpp" 30 31 class outputStream; 32 33 template <class T> 34 class WorkerDataArray : public CHeapObj<mtGC> { 35 friend class WDAPrinter; 36 public: 37 static const uint MaxThreadWorkItems = 6; 38 private: 39 T* _data; 40 uint _length; 41 const char* _title; 42 43 bool _is_serial; 44 45 WorkerDataArray<size_t>* _thread_work_items[MaxThreadWorkItems]; 46 47 public: 48 WorkerDataArray(const char* title, uint length, bool is_serial = false); 49 ~WorkerDataArray(); 50 51 // Create an integer sub-item at the given index to this WorkerDataArray. If length_override 52 // is zero, use the same number of elements as this array, otherwise use the given 53 // number. 54 void create_thread_work_items(const char* title, uint index = 0, uint length_override = 0); 55 56 void set_thread_work_item(uint worker_i, size_t value, uint index = 0); 57 void add_thread_work_item(uint worker_i, size_t value, uint index = 0); 58 void set_or_add_thread_work_item(uint worker_i, size_t value, uint index = 0); 59 size_t get_thread_work_item(uint worker_i, uint index = 0); 60 61 WorkerDataArray<size_t>* thread_work_items(uint index = 0) const { 62 assert(index < MaxThreadWorkItems, "Tried to access thread work item %u max %u", index, MaxThreadWorkItems); 63 return _thread_work_items[index]; 64 } 65 66 static T uninitialized(); 67 68 void set(uint worker_i, T value); 69 T get(uint worker_i) const; 70 71 void add(uint worker_i, T value); 72 73 // The sum() and average() methods below consider uninitialized slots to be 0. 74 double average() const; 75 T sum() const; 76 77 const char* title() const { 78 return _title; 79 } 80 81 void reset(); 82 void set_all(T value); 83 84 85 private: 86 class WDAPrinter { 87 public: 88 static void summary(outputStream* out, double time); 89 static void summary(outputStream* out, double min, double avg, double max, double diff, double sum, bool print_sum); 90 static void summary(outputStream* out, size_t value); 91 static void summary(outputStream* out, size_t min, double avg, size_t max, size_t diff, size_t sum, bool print_sum); 92 93 static void details(const WorkerDataArray<double>* phase, outputStream* out); 94 static void details(const WorkerDataArray<size_t>* phase, outputStream* out); 95 }; 96 97 public: 98 void print_summary_on(outputStream* out, bool print_sum = true) const; 99 void print_details_on(outputStream* out) const; 100 }; 101 102 #endif // SHARE_GC_SHARED_WORKERDATAARRAY_HPP