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 #include "memory/allocation.hpp" 26 #include "utilities/debug.hpp" 27 28 template <class T> 29 class WorkerDataArray : public CHeapObj<mtGC> { 30 T* _data; 31 uint _length; 32 const char* _title; 33 34 WorkerDataArray<size_t>* _thread_work_items; 35 36 NOT_PRODUCT(inline T uninitialized() const;) 37 38 void set_all(T value); 39 40 public: 41 WorkerDataArray(uint length, const char* title); 42 ~WorkerDataArray(); 43 44 void link_thread_work_items(WorkerDataArray<size_t>* thread_work_items); 45 void set_thread_work_item(uint worker_i, size_t value); 46 WorkerDataArray<size_t>* thread_work_items() const { 47 return _thread_work_items; 48 } 49 50 void set(uint worker_i, T value); 51 T get(uint worker_i) const; 52 53 void add(uint worker_i, T value); 54 55 double average(uint active_threads) const; 56 T sum(uint active_threads) const; 57 T minimum(uint active_threads) const; 58 T maximum(uint active_threads) const; 59 T diff(uint active_threads) const; 60 61 const char* title() const { 62 return _title; 63 } 64 65 void clear(); 66 67 void reset() PRODUCT_RETURN; 68 void verify(uint active_threads) const PRODUCT_RETURN; 69 };