source: src/memoryusageobserver.hpp@ b66c22

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Last change on this file since b66c22 was b66c22, checked in by metzler <metzler@…>, 15 years ago

#19 Observe memory usage
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Line 
1/*
2 * \file memoryusageobserver.hpp
3 *
4 * This class represents a Singleton for observing memory usage.
5 */
6#ifndef MEMORYUSAGEOBSERVER_HPP_
7#define MEMORYUSAGEOBSERVER_HPP_
8
9using namespace std;
10
11// include config.h
12#ifdef HAVE_CONFIG_H
13#include <config.h>
14#endif
15
16#include <map>
17#include <iostream>
18#include <iomanip>
19#include <fstream>
20#include <sstream>
21#include <math.h>
22#include <string>
23#include <typeinfo>
24
25class MemoryUsageObserver {
26public:
27 static MemoryUsageObserver* getInstance();
28 static void purgeInstance();
29 void addMemory(void* pointer, size_t size);
30 void removeMemory(void* pointer);
31 size_t getUsedMemorySize();
32 size_t getMaximumUsedMemory();
33
34protected:
35 /** Do not call this constructor directly, use getInstance() instead. */
36 MemoryUsageObserver();
37 /** Do not call this destructor directly, use purgeInstance() instead. */
38 ~MemoryUsageObserver();
39
40private:
41 static MemoryUsageObserver* instance;
42 map<void*, size_t> memoryUsers;
43 size_t totalSize, maximumSize;
44};
45#endif /*MEMORYUSAGEOBSERVER_HPP_*/
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