1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2015 The Qt Company Ltd. 4 ** Contact: http://www.qt.io/licensing/ 5 ** 6 ** This file is part of the examples of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see http://www.qt.io/terms-conditions. For further 15 ** information use the contact form at http://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 2.1 or version 3 as published by the Free 20 ** Software Foundation and appearing in the file LICENSE.LGPLv21 and 21 ** LICENSE.LGPLv3 included in the packaging of this file. Please review the 22 ** following information to ensure the GNU Lesser General Public License 23 ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and 24 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. 25 ** 26 ** As a special exception, The Qt Company gives you certain additional 27 ** rights. These rights are described in The Qt Company LGPL Exception 28 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. 29 ** 30 ** GNU General Public License Usage 31 ** Alternatively, this file may be used under the terms of the GNU 32 ** General Public License version 3.0 as published by the Free Software 33 ** Foundation and appearing in the file LICENSE.GPL included in the 34 ** packaging of this file. Please review the following information to 35 ** ensure the GNU General Public License version 3.0 requirements will be 36 ** met: http://www.gnu.org/copyleft/gpl.html. 37 ** 38 ** $QT_END_LICENSE$ 39 ** 40 ****************************************************************************/ 41 42 #ifndef __RESOURCEMONINTERFACE_H__ 43 #define __RESOURCEMONINTERFACE_H__ 44 45 class ResourceMonitorInterface 46 { 47 public: 48 struct MemoryAllocation 49 { 50 int allocatedInAppThread; 51 int numberOfAllocatedCellsInAppThread; 52 int availableMemoryInAppThreadHeap; 53 qint64 availableMemoryInSystem; 54 qint64 totalMemoryInSystem; MemoryAllocationMemoryAllocation55 MemoryAllocation() : 56 allocatedInAppThread(0), 57 numberOfAllocatedCellsInAppThread(0), 58 availableMemoryInAppThreadHeap(0), 59 availableMemoryInSystem(0), 60 totalMemoryInSystem(0) 61 {} 62 }; 63 64 struct CpuUsage 65 { 66 qreal systemUsage; 67 qreal appTreadUsage; CpuUsageCpuUsage68 CpuUsage() : 69 systemUsage(0.0), 70 appTreadUsage(0.0) 71 {} 72 }; 73 74 public: ~ResourceMonitorInterface()75 virtual ~ResourceMonitorInterface() {} 76 77 public: 78 //for symbian, prepares the resource monitor for data capture, opens handle to ekern null 79 //thread and sets initial values 80 virtual bool Prepare(QString applicationThreadName) = 0; 81 82 //functions for CPU load and memory - Call Prepare before calling these 83 virtual CpuUsage CPULoad()=0; 84 virtual MemoryAllocation MemoryLoad()=0; 85 86 virtual void BeginMeasureMemoryLoad()=0; 87 virtual MemoryAllocation EndMeasureMemoryLoad()=0; 88 89 virtual void BeginMeasureCPULoad()=0; 90 virtual CpuUsage EndMeasureCPULoad()=0; 91 92 }; 93 94 Q_DECLARE_INTERFACE(ResourceMonitorInterface, 95 "com.trolltech.Plugin.ResourceMonitorInterface/1.0"); 96 97 #endif //__RESOURCEMONINTERFACE_H__ 98