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_HPP 26 #define SHARE_VM_GC_G1_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 T* _data; 37 uint _length; 38 const char* _title; 39 40 WorkerDataArray<size_t>* _thread_work_items; 41 42 public: 43 WorkerDataArray(uint length, const char* title); 44 ~WorkerDataArray(); 45 46 void link_thread_work_items(WorkerDataArray<size_t>* thread_work_items); 47 void set_thread_work_item(uint worker_i, size_t value); 48 WorkerDataArray<size_t>* thread_work_items() const { 49 return _thread_work_items; 50 } 51 52 static T uninitialized(); 53 54 void set(uint worker_i, T value); 55 T get(uint worker_i) const; 56 57 void add(uint worker_i, T value); 58 59 // The sum() and average() methods below consider uninitialized slots to be 0. 60 double average() const; 61 T sum() const; 62 63 const char* title() const { 64 return _title; 65 } 66 67 void reset(); 68 void set_all(T value); 69 70 71 private: 72 class WDAPrinter { 73 public: 74 static void summary(outputStream* out, double min, double avg, double max, double diff, double sum, bool print_sum); 75 static void summary(outputStream* out, size_t min, double avg, size_t max, size_t diff, size_t sum, bool print_sum); 76 77 static void details(const WorkerDataArray<double>* phase, outputStream* out); 78 static void details(const WorkerDataArray<size_t>* phase, outputStream* out); 79 }; 80 81 public: 82 void print_summary_on(outputStream* out, bool print_sum = true) const; 83 void print_details_on(outputStream* out) const; 84 }; 85 86 #endif // SHARE_VM_GC_G1_WORKERDATAARRAY_HPP