1 // Created on: 2011-10-05
2 // Created by: Kirill GAVRILOV
3 // Copyright (c) 2013-2014 OPEN CASCADE SAS
5 // This file is part of Open CASCADE Technology software library.
7 // This library is free software; you can redistribute it and/or modify it under
8 // the terms of the GNU Lesser General Public License version 2.1 as published
9 // by the Free Software Foundation, with special exception defined in the file
10 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
11 // distribution for complete text of the license and disclaimer of any warranty.
13 // Alternatively, this file may be used under the terms of Open CASCADE
14 // commercial license or contractual agreement.
16 #if (defined(_WIN32) || defined(__WIN32__))
23 #pragma comment(lib, "Psapi.lib")
25 #elif (defined(__APPLE__))
26 #include <mach/task.h>
27 #include <mach/mach.h>
28 #include <malloc/malloc.h>
38 #include <OSD_MemInfo.hxx>
40 // =======================================================================
41 // function : OSD_MemInfo
43 // =======================================================================
44 OSD_MemInfo::OSD_MemInfo()
49 // =======================================================================
52 // =======================================================================
53 void OSD_MemInfo::Update()
56 for (Standard_Integer anIter = 0; anIter < MemCounter_NB; ++anIter)
58 myCounters[anIter] = Standard_Size(-1);
62 #if (_WIN32_WINNT >= 0x0500)
63 MEMORYSTATUSEX aStatEx;
64 aStatEx.dwLength = sizeof(aStatEx);
65 GlobalMemoryStatusEx (&aStatEx);
66 myCounters[MemVirtual] = Standard_Size(aStatEx.ullTotalVirtual - aStatEx.ullAvailVirtual);
69 aStat.dwLength = sizeof(aStat);
70 GlobalMemoryStatus (&aStat);
71 myCounters[MemVirtual] = Standard_Size(aStat.dwTotalVirtual - aStat.dwAvailVirtual);
75 HANDLE aProcess = GetCurrentProcess();
76 #if (_WIN32_WINNT >= 0x0501)
77 PROCESS_MEMORY_COUNTERS_EX aProcMemCnts;
79 PROCESS_MEMORY_COUNTERS aProcMemCnts;
81 if (GetProcessMemoryInfo (aProcess, (PROCESS_MEMORY_COUNTERS* )&aProcMemCnts, sizeof(aProcMemCnts)))
83 #if (_WIN32_WINNT >= 0x0501)
84 myCounters[MemPrivate] = aProcMemCnts.PrivateUsage;
86 myCounters[MemWorkingSet] = aProcMemCnts.WorkingSetSize;
87 myCounters[MemWorkingSetPeak] = aProcMemCnts.PeakWorkingSetSize;
88 myCounters[MemSwapUsage] = aProcMemCnts.PagefileUsage;
89 myCounters[MemSwapUsagePeak] = aProcMemCnts.PeakPagefileUsage;
96 myCounters[MemHeapUsage] = 0;
97 while((heapstatus = _heapwalk(&hinfo)) == _HEAPOK)
99 if(hinfo._useflag == _USEDENTRY)
100 myCounters[MemHeapUsage] += hinfo._size;
103 #elif (defined(__linux__) || defined(__linux))
104 // use procfs on Linux
106 snprintf (aBuff, sizeof(aBuff), "/proc/%d/status", getpid());
109 if (!aFile.is_open())
116 memset (aBuff, 0, sizeof(aBuff));
117 aFile.getline (aBuff, 4096);
118 if (aBuff[0] == '\0')
123 if (strncmp (aBuff, "VmSize:", strlen ("VmSize:")) == 0)
125 myCounters[MemVirtual] = atol (aBuff + strlen ("VmSize:")) * 1024;
127 //else if (strncmp (aBuff, "VmPeak:", strlen ("VmPeak:")) == 0)
128 // myVirtualPeak = atol (aBuff + strlen ("VmPeak:")) * 1024;
129 else if (strncmp (aBuff, "VmRSS:", strlen ("VmRSS:")) == 0)
131 myCounters[MemWorkingSet] = atol (aBuff + strlen ("VmRSS:")) * 1024; // RSS - resident set size
133 else if (strncmp (aBuff, "VmHWM:", strlen ("VmHWM:")) == 0)
135 myCounters[MemWorkingSetPeak] = atol (aBuff + strlen ("VmHWM:")) * 1024; // HWM - high water mark
137 else if (strncmp (aBuff, "VmData:", strlen ("VmData:")) == 0)
139 if (myCounters[MemPrivate] == Standard_Size(-1)) ++myCounters[MemPrivate];
140 myCounters[MemPrivate] += atol (aBuff + strlen ("VmData:")) * 1024;
142 else if (strncmp (aBuff, "VmStk:", strlen ("VmStk:")) == 0)
144 if (myCounters[MemPrivate] == Standard_Size(-1)) ++myCounters[MemPrivate];
145 myCounters[MemPrivate] += atol (aBuff + strlen ("VmStk:")) * 1024;
150 struct mallinfo aMI = mallinfo();
151 myCounters[MemHeapUsage] = aMI.uordblks;
153 #elif (defined(__APPLE__))
154 struct task_basic_info aTaskInfo;
155 mach_msg_type_number_t aTaskInfoCount = TASK_BASIC_INFO_COUNT;
156 if (task_info (mach_task_self(), TASK_BASIC_INFO,
157 (task_info_t )&aTaskInfo, &aTaskInfoCount) == KERN_SUCCESS)
159 // On Mac OS X, these values in bytes, not pages!
160 myCounters[MemVirtual] = aTaskInfo.virtual_size;
161 myCounters[MemWorkingSet] = aTaskInfo.resident_size;
163 //Getting malloc statistics
164 malloc_statistics_t aStats;
165 malloc_zone_statistics (NULL, &aStats);
167 myCounters[MemHeapUsage] = aStats.size_in_use;
173 // =======================================================================
174 // function : ToString
176 // =======================================================================
177 TCollection_AsciiString OSD_MemInfo::ToString() const
179 TCollection_AsciiString anInfo;
180 if (myCounters[MemPrivate] != Standard_Size(-1))
182 anInfo += TCollection_AsciiString(" Private memory: ") + Standard_Integer (ValueMiB (MemPrivate)) + " MiB\n";
184 if (myCounters[MemWorkingSet] != Standard_Size(-1))
186 anInfo += TCollection_AsciiString(" Working Set: ") + Standard_Integer (ValueMiB (MemWorkingSet)) + " MiB";
187 if (myCounters[MemWorkingSetPeak] != Standard_Size(-1))
189 anInfo += TCollection_AsciiString(" (peak: ") + Standard_Integer (ValueMiB (MemWorkingSetPeak)) + " MiB)";
193 if (myCounters[MemSwapUsage] != Standard_Size(-1))
195 anInfo += TCollection_AsciiString(" Pagefile usage: ") + Standard_Integer (ValueMiB (MemSwapUsage)) + " MiB";
196 if (myCounters[MemSwapUsagePeak] != Standard_Size(-1))
198 anInfo += TCollection_AsciiString(" (peak: ") + Standard_Integer (ValueMiB (MemSwapUsagePeak)) + " MiB)";
202 if (myCounters[MemVirtual] != Standard_Size(-1))
204 anInfo += TCollection_AsciiString(" Virtual memory: ") + Standard_Integer (ValueMiB (MemVirtual)) + " MiB\n";
206 if (myCounters[MemHeapUsage] != Standard_Size(-1))
208 anInfo += TCollection_AsciiString(" Heap memory: ") + Standard_Integer (ValueMiB (MemHeapUsage)) + " MiB\n";
213 // =======================================================================
216 // =======================================================================
217 Standard_Size OSD_MemInfo::Value (const OSD_MemInfo::Counter theCounter) const
219 if (theCounter < 0 || theCounter >= MemCounter_NB)
221 return Standard_Size(-1);
223 return myCounters[theCounter];
226 // =======================================================================
227 // function : ValueMiB
229 // =======================================================================
230 Standard_Size OSD_MemInfo::ValueMiB (const OSD_MemInfo::Counter theCounter) const
232 if (theCounter < 0 || theCounter >= MemCounter_NB)
234 return Standard_Size(-1);
236 return (myCounters[theCounter] == Standard_Size(-1))
237 ? Standard_Size(-1) : (myCounters[theCounter] / (1024 * 1024));
240 // =======================================================================
241 // function : ShowInfo
243 // =======================================================================
244 TCollection_AsciiString OSD_MemInfo::PrintInfo()
247 return anInfo.ToString();