| /* |
| * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #ifndef SHARE_VM_GC_SHARED_WORKERDATAARRAY_HPP |
| #define SHARE_VM_GC_SHARED_WORKERDATAARRAY_HPP |
| |
| #include "memory/allocation.hpp" |
| #include "utilities/debug.hpp" |
| |
| class outputStream; |
| |
| template <class T> |
| class WorkerDataArray : public CHeapObj<mtGC> { |
| friend class WDAPrinter; |
| public: |
| static const uint MaxThreadWorkItems = 3; |
| private: |
| T* _data; |
| uint _length; |
| const char* _title; |
| |
| WorkerDataArray<size_t>* _thread_work_items[MaxThreadWorkItems]; |
| |
| public: |
| WorkerDataArray(uint length, const char* title); |
| ~WorkerDataArray(); |
| |
| void link_thread_work_items(WorkerDataArray<size_t>* thread_work_items, uint index = 0); |
| void set_thread_work_item(uint worker_i, size_t value, uint index = 0); |
| void add_thread_work_item(uint worker_i, size_t value, uint index = 0); |
| WorkerDataArray<size_t>* thread_work_items(uint index = 0) const { |
| assert(index < MaxThreadWorkItems, "Tried to access thread work item %u max %u", index, MaxThreadWorkItems); |
| return _thread_work_items[index]; |
| } |
| |
| static T uninitialized(); |
| |
| void set(uint worker_i, T value); |
| T get(uint worker_i) const; |
| |
| void add(uint worker_i, T value); |
| |
| // The sum() and average() methods below consider uninitialized slots to be 0. |
| double average() const; |
| T sum() const; |
| |
| const char* title() const { |
| return _title; |
| } |
| |
| void reset(); |
| void set_all(T value); |
| |
| |
| private: |
| class WDAPrinter { |
| public: |
| static void summary(outputStream* out, double min, double avg, double max, double diff, double sum, bool print_sum); |
| static void summary(outputStream* out, size_t min, double avg, size_t max, size_t diff, size_t sum, bool print_sum); |
| |
| static void details(const WorkerDataArray<double>* phase, outputStream* out); |
| static void details(const WorkerDataArray<size_t>* phase, outputStream* out); |
| }; |
| |
| public: |
| void print_summary_on(outputStream* out, bool print_sum = true) const; |
| void print_details_on(outputStream* out) const; |
| }; |
| |
| #endif // SHARE_VM_GC_SHARED_WORKERDATAARRAY_HPP |