6 * Copyright (C) 1999 - 2001 Brian Palmer <brianp@reactos.org>
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 #define WIN32_LEAN_AND_MEAN /* Exclude rarely-used stuff from Windows headers */
34 static PROCNTQSI NtQuerySystemInformation
= NULL
;
35 static PROCGGR pGetGuiResources
= NULL
;
36 static PROCGPIC pGetProcessIoCounters
= NULL
;
37 static CRITICAL_SECTION PerfDataCriticalSection
;
38 static PPERFDATA pPerfDataOld
= NULL
; /* Older perf data (saved to establish delta values) */
39 static PPERFDATA pPerfData
= NULL
; /* Most recent copy of perf data */
40 static ULONG ProcessCountOld
= 0;
41 static ULONG ProcessCount
= 0;
42 static double dbIdleTime
;
43 static double dbKernelTime
;
44 static double dbSystemTime
;
45 static LARGE_INTEGER liOldIdleTime
= {{0,0}};
46 static double OldKernelTime
= 0;
47 static LARGE_INTEGER liOldSystemTime
= {{0,0}};
48 static SYSTEM_PERFORMANCE_INFORMATION SystemPerfInfo
;
49 static SYSTEM_BASIC_INFORMATION SystemBasicInfo
;
50 static SYSTEM_CACHE_INFORMATION SystemCacheInfo
;
51 static SYSTEM_HANDLE_INFORMATION SystemHandleInfo
;
52 static PSYSTEM_PROCESSORTIME_INFO SystemProcessorTimeInfo
= NULL
;
54 BOOL
PerfDataInitialize(void)
57 static const WCHAR wszNtdll
[] = {'n','t','d','l','l','.','d','l','l',0};
58 static const WCHAR wszUser32
[] = {'u','s','e','r','3','2','.','d','l','l',0};
59 static const WCHAR wszKernel32
[] = {'k','e','r','n','e','l','3','2','.','d','l','l',0};
61 NtQuerySystemInformation
= (PROCNTQSI
)GetProcAddress(GetModuleHandleW(wszNtdll
), "NtQuerySystemInformation");
62 pGetGuiResources
= (PROCGGR
)GetProcAddress(GetModuleHandleW(wszUser32
), "GetGuiResources");
63 pGetProcessIoCounters
= (PROCGPIC
)GetProcAddress(GetModuleHandleW(wszKernel32
), "GetProcessIoCounters");
65 InitializeCriticalSection(&PerfDataCriticalSection
);
67 if (!NtQuerySystemInformation
)
71 * Get number of processors in the system
73 status
= NtQuerySystemInformation(SystemBasicInformation
, &SystemBasicInfo
, sizeof(SystemBasicInfo
), NULL
);
74 if (status
!= NO_ERROR
)
80 void PerfDataUninitialize(void)
82 NtQuerySystemInformation
= NULL
;
84 DeleteCriticalSection(&PerfDataCriticalSection
);
87 void PerfDataRefresh(void)
93 PSYSTEM_PROCESS_INFORMATION pSPI
;
98 WCHAR wszTemp
[MAX_PATH
];
100 SYSTEM_PERFORMANCE_INFORMATION SysPerfInfo
;
101 SYSTEM_TIME_INFORMATION SysTimeInfo
;
102 SYSTEM_CACHE_INFORMATION SysCacheInfo
;
103 LPBYTE SysHandleInfoData
;
104 PSYSTEM_PROCESSORTIME_INFO SysProcessorTimeInfo
;
105 double CurrentKernelTime
;
108 if (!NtQuerySystemInformation
)
111 /* Get new system time */
112 status
= NtQuerySystemInformation(SystemTimeInformation
, &SysTimeInfo
, sizeof(SysTimeInfo
), 0);
113 if (status
!= NO_ERROR
)
116 /* Get new CPU's idle time */
117 status
= NtQuerySystemInformation(SystemPerformanceInformation
, &SysPerfInfo
, sizeof(SysPerfInfo
), NULL
);
118 if (status
!= NO_ERROR
)
121 /* Get system cache information */
122 status
= NtQuerySystemInformation(SystemCacheInformation
, &SysCacheInfo
, sizeof(SysCacheInfo
), NULL
);
123 if (status
!= NO_ERROR
)
126 /* Get processor time information */
127 SysProcessorTimeInfo
= HeapAlloc(GetProcessHeap(), 0,
128 sizeof(SYSTEM_PROCESSORTIME_INFO
) * SystemBasicInfo
.bKeNumberProcessors
);
129 status
= NtQuerySystemInformation(SystemProcessorTimeInformation
, SysProcessorTimeInfo
, sizeof(SYSTEM_PROCESSORTIME_INFO
) * SystemBasicInfo
.bKeNumberProcessors
, &ulSize
);
130 if (status
!= NO_ERROR
) {
131 HeapFree(GetProcessHeap(), 0, SysProcessorTimeInfo
);
135 /* Get handle information
136 * We don't know how much data there is so just keep
137 * increasing the buffer size until the call succeeds
142 BufferSize
+= 0x10000;
143 SysHandleInfoData
= HeapAlloc(GetProcessHeap(), 0, BufferSize
);
145 status
= NtQuerySystemInformation(SystemHandleInformation
, SysHandleInfoData
, BufferSize
, &ulSize
);
147 if (status
== 0xC0000004 /*STATUS_INFO_LENGTH_MISMATCH*/) {
148 HeapFree(GetProcessHeap(), 0, SysHandleInfoData
);
151 } while (status
== 0xC0000004 /*STATUS_INFO_LENGTH_MISMATCH*/);
153 /* Get process information
154 * We don't know how much data there is so just keep
155 * increasing the buffer size until the call succeeds
160 BufferSize
+= 0x10000;
161 pBuffer
= HeapAlloc(GetProcessHeap(), 0, BufferSize
);
163 status
= NtQuerySystemInformation(SystemProcessInformation
, pBuffer
, BufferSize
, &ulSize
);
165 if (status
== 0xC0000004 /*STATUS_INFO_LENGTH_MISMATCH*/) {
166 HeapFree(GetProcessHeap(), 0, pBuffer
);
169 } while (status
== 0xC0000004 /*STATUS_INFO_LENGTH_MISMATCH*/);
171 EnterCriticalSection(&PerfDataCriticalSection
);
174 * Save system performance info
176 memcpy(&SystemPerfInfo
, &SysPerfInfo
, sizeof(SYSTEM_PERFORMANCE_INFORMATION
));
179 * Save system cache info
181 memcpy(&SystemCacheInfo
, &SysCacheInfo
, sizeof(SYSTEM_CACHE_INFORMATION
));
184 * Save system processor time info
186 HeapFree(GetProcessHeap(), 0, SystemProcessorTimeInfo
);
187 SystemProcessorTimeInfo
= SysProcessorTimeInfo
;
190 * Save system handle info
192 memcpy(&SystemHandleInfo
, SysHandleInfoData
, sizeof(SYSTEM_HANDLE_INFORMATION
));
193 HeapFree(GetProcessHeap(), 0, SysHandleInfoData
);
195 for (CurrentKernelTime
=0, Idx
=0; Idx
<SystemBasicInfo
.bKeNumberProcessors
; Idx
++) {
196 CurrentKernelTime
+= Li2Double(SystemProcessorTimeInfo
[Idx
].KernelTime
);
197 CurrentKernelTime
+= Li2Double(SystemProcessorTimeInfo
[Idx
].DpcTime
);
198 CurrentKernelTime
+= Li2Double(SystemProcessorTimeInfo
[Idx
].InterruptTime
);
201 /* If it's a first call - skip idle time calcs */
202 if (liOldIdleTime
.QuadPart
!= 0) {
203 /* CurrentValue = NewValue - OldValue */
204 dbIdleTime
= Li2Double(SysPerfInfo
.liIdleTime
) - Li2Double(liOldIdleTime
);
205 dbKernelTime
= CurrentKernelTime
- OldKernelTime
;
206 dbSystemTime
= Li2Double(SysTimeInfo
.liKeSystemTime
) - Li2Double(liOldSystemTime
);
208 /* CurrentCpuIdle = IdleTime / SystemTime */
209 dbIdleTime
= dbIdleTime
/ dbSystemTime
;
210 dbKernelTime
= dbKernelTime
/ dbSystemTime
;
212 /* CurrentCpuUsage% = 100 - (CurrentCpuIdle * 100) / NumberOfProcessors */
213 dbIdleTime
= 100.0 - dbIdleTime
* 100.0 / (double)SystemBasicInfo
.bKeNumberProcessors
; /* + 0.5; */
214 dbKernelTime
= 100.0 - dbKernelTime
* 100.0 / (double)SystemBasicInfo
.bKeNumberProcessors
; /* + 0.5; */
217 /* Store new CPU's idle and system time */
218 liOldIdleTime
= SysPerfInfo
.liIdleTime
;
219 liOldSystemTime
= SysTimeInfo
.liKeSystemTime
;
220 OldKernelTime
= CurrentKernelTime
;
222 /* Determine the process count
223 * We loop through the data we got from NtQuerySystemInformation
224 * and count how many structures there are (until RelativeOffset is 0)
226 ProcessCountOld
= ProcessCount
;
228 pSPI
= (PSYSTEM_PROCESS_INFORMATION
)pBuffer
;
231 if (pSPI
->RelativeOffset
== 0)
233 pSPI
= (PSYSTEM_PROCESS_INFORMATION
)((LPBYTE
)pSPI
+ pSPI
->RelativeOffset
);
236 /* Now alloc a new PERFDATA array and fill in the data */
237 HeapFree(GetProcessHeap(), 0, pPerfDataOld
);
238 pPerfDataOld
= pPerfData
;
239 pPerfData
= HeapAlloc(GetProcessHeap(), 0, sizeof(PERFDATA
) * ProcessCount
);
240 pSPI
= (PSYSTEM_PROCESS_INFORMATION
)pBuffer
;
241 for (Idx
=0; Idx
<ProcessCount
; Idx
++) {
242 /* Get the old perf data for this process (if any) */
243 /* so that we can establish delta values */
245 for (Idx2
=0; Idx2
<ProcessCountOld
; Idx2
++) {
246 if (pPerfDataOld
[Idx2
].ProcessId
== pSPI
->ProcessId
) {
247 pPDOld
= &pPerfDataOld
[Idx2
];
252 /* Clear out process perf data structure */
253 memset(&pPerfData
[Idx
], 0, sizeof(PERFDATA
));
255 if (pSPI
->Name
.Buffer
)
256 lstrcpyW(pPerfData
[Idx
].ImageName
, pSPI
->Name
.Buffer
);
260 LoadStringW(hInst
, IDS_SYSTEM_IDLE_PROCESS
, idleW
, sizeof(idleW
)/sizeof(WCHAR
));
261 lstrcpyW(pPerfData
[Idx
].ImageName
, idleW
);
264 pPerfData
[Idx
].ProcessId
= pSPI
->ProcessId
;
267 double CurTime
= Li2Double(pSPI
->KernelTime
) + Li2Double(pSPI
->UserTime
);
268 double OldTime
= Li2Double(pPDOld
->KernelTime
) + Li2Double(pPDOld
->UserTime
);
269 double CpuTime
= (CurTime
- OldTime
) / dbSystemTime
;
270 CpuTime
= CpuTime
* 100.0 / (double)SystemBasicInfo
.bKeNumberProcessors
; /* + 0.5; */
271 pPerfData
[Idx
].CPUUsage
= (ULONG
)CpuTime
;
273 pPerfData
[Idx
].CPUTime
.QuadPart
= pSPI
->UserTime
.QuadPart
+ pSPI
->KernelTime
.QuadPart
;
274 pPerfData
[Idx
].WorkingSetSizeBytes
= pSPI
->TotalWorkingSetSizeBytes
;
275 pPerfData
[Idx
].PeakWorkingSetSizeBytes
= pSPI
->PeakWorkingSetSizeBytes
;
277 pPerfData
[Idx
].WorkingSetSizeDelta
= labs((LONG
)pSPI
->TotalWorkingSetSizeBytes
- (LONG
)pPDOld
->WorkingSetSizeBytes
);
279 pPerfData
[Idx
].WorkingSetSizeDelta
= 0;
280 pPerfData
[Idx
].PageFaultCount
= pSPI
->PageFaultCount
;
282 pPerfData
[Idx
].PageFaultCountDelta
= labs((LONG
)pSPI
->PageFaultCount
- (LONG
)pPDOld
->PageFaultCount
);
284 pPerfData
[Idx
].PageFaultCountDelta
= 0;
285 pPerfData
[Idx
].VirtualMemorySizeBytes
= pSPI
->TotalVirtualSizeBytes
;
286 pPerfData
[Idx
].PagedPoolUsagePages
= pSPI
->TotalPagedPoolUsagePages
;
287 pPerfData
[Idx
].NonPagedPoolUsagePages
= pSPI
->TotalNonPagedPoolUsagePages
;
288 pPerfData
[Idx
].BasePriority
= pSPI
->BasePriority
;
289 pPerfData
[Idx
].HandleCount
= pSPI
->HandleCount
;
290 pPerfData
[Idx
].ThreadCount
= pSPI
->ThreadCount
;
291 pPerfData
[Idx
].SessionId
= pSPI
->SessionId
;
293 hProcess
= OpenProcess(PROCESS_QUERY_INFORMATION
, FALSE
, pSPI
->ProcessId
);
295 if (OpenProcessToken(hProcess
, TOKEN_QUERY
|TOKEN_DUPLICATE
|TOKEN_IMPERSONATE
, &hProcessToken
)) {
296 ImpersonateLoggedOnUser(hProcessToken
);
297 memset(wszTemp
, 0, sizeof(wszTemp
));
299 GetUserNameW(wszTemp
, &dwSize
);
301 CloseHandle(hProcessToken
);
303 if (pGetGuiResources
) {
304 pPerfData
[Idx
].USERObjectCount
= pGetGuiResources(hProcess
, GR_USEROBJECTS
);
305 pPerfData
[Idx
].GDIObjectCount
= pGetGuiResources(hProcess
, GR_GDIOBJECTS
);
307 if (pGetProcessIoCounters
)
308 pGetProcessIoCounters(hProcess
, &pPerfData
[Idx
].IOCounters
);
309 CloseHandle(hProcess
);
311 pPerfData
[Idx
].UserTime
.QuadPart
= pSPI
->UserTime
.QuadPart
;
312 pPerfData
[Idx
].KernelTime
.QuadPart
= pSPI
->KernelTime
.QuadPart
;
313 pSPI
= (PSYSTEM_PROCESS_INFORMATION
)((LPBYTE
)pSPI
+ pSPI
->RelativeOffset
);
315 HeapFree(GetProcessHeap(), 0, pBuffer
);
316 LeaveCriticalSection(&PerfDataCriticalSection
);
319 ULONG
PerfDataGetProcessCount(void)
324 ULONG
PerfDataGetProcessorUsage(void)
326 if( dbIdleTime
< 0.0 )
328 if( dbIdleTime
> 100.0 )
330 return (ULONG
)dbIdleTime
;
333 ULONG
PerfDataGetProcessorSystemUsage(void)
335 if( dbKernelTime
< 0.0 )
337 if( dbKernelTime
> 100.0 )
339 return (ULONG
)dbKernelTime
;
342 BOOL
PerfDataGetImageName(ULONG Index
, LPWSTR lpImageName
, int nMaxCount
)
346 EnterCriticalSection(&PerfDataCriticalSection
);
348 if (Index
< ProcessCount
) {
349 wcsncpy(lpImageName
, pPerfData
[Index
].ImageName
, nMaxCount
);
354 LeaveCriticalSection(&PerfDataCriticalSection
);
358 ULONG
PerfDataGetProcessId(ULONG Index
)
362 EnterCriticalSection(&PerfDataCriticalSection
);
364 if (Index
< ProcessCount
)
365 ProcessId
= pPerfData
[Index
].ProcessId
;
369 LeaveCriticalSection(&PerfDataCriticalSection
);
374 BOOL
PerfDataGetUserName(ULONG Index
, LPWSTR lpUserName
, int nMaxCount
)
378 EnterCriticalSection(&PerfDataCriticalSection
);
380 if (Index
< ProcessCount
) {
381 wcsncpy(lpUserName
, pPerfData
[Index
].UserName
, nMaxCount
);
387 LeaveCriticalSection(&PerfDataCriticalSection
);
392 ULONG
PerfDataGetSessionId(ULONG Index
)
396 EnterCriticalSection(&PerfDataCriticalSection
);
398 if (Index
< ProcessCount
)
399 SessionId
= pPerfData
[Index
].SessionId
;
403 LeaveCriticalSection(&PerfDataCriticalSection
);
408 ULONG
PerfDataGetCPUUsage(ULONG Index
)
412 EnterCriticalSection(&PerfDataCriticalSection
);
414 if (Index
< ProcessCount
)
415 CpuUsage
= pPerfData
[Index
].CPUUsage
;
419 LeaveCriticalSection(&PerfDataCriticalSection
);
424 TIME
PerfDataGetCPUTime(ULONG Index
)
426 TIME CpuTime
= {{0,0}};
428 EnterCriticalSection(&PerfDataCriticalSection
);
430 if (Index
< ProcessCount
)
431 CpuTime
= pPerfData
[Index
].CPUTime
;
433 LeaveCriticalSection(&PerfDataCriticalSection
);
438 ULONG
PerfDataGetWorkingSetSizeBytes(ULONG Index
)
440 ULONG WorkingSetSizeBytes
;
442 EnterCriticalSection(&PerfDataCriticalSection
);
444 if (Index
< ProcessCount
)
445 WorkingSetSizeBytes
= pPerfData
[Index
].WorkingSetSizeBytes
;
447 WorkingSetSizeBytes
= 0;
449 LeaveCriticalSection(&PerfDataCriticalSection
);
451 return WorkingSetSizeBytes
;
454 ULONG
PerfDataGetPeakWorkingSetSizeBytes(ULONG Index
)
456 ULONG PeakWorkingSetSizeBytes
;
458 EnterCriticalSection(&PerfDataCriticalSection
);
460 if (Index
< ProcessCount
)
461 PeakWorkingSetSizeBytes
= pPerfData
[Index
].PeakWorkingSetSizeBytes
;
463 PeakWorkingSetSizeBytes
= 0;
465 LeaveCriticalSection(&PerfDataCriticalSection
);
467 return PeakWorkingSetSizeBytes
;
470 ULONG
PerfDataGetWorkingSetSizeDelta(ULONG Index
)
472 ULONG WorkingSetSizeDelta
;
474 EnterCriticalSection(&PerfDataCriticalSection
);
476 if (Index
< ProcessCount
)
477 WorkingSetSizeDelta
= pPerfData
[Index
].WorkingSetSizeDelta
;
479 WorkingSetSizeDelta
= 0;
481 LeaveCriticalSection(&PerfDataCriticalSection
);
483 return WorkingSetSizeDelta
;
486 ULONG
PerfDataGetPageFaultCount(ULONG Index
)
488 ULONG PageFaultCount
;
490 EnterCriticalSection(&PerfDataCriticalSection
);
492 if (Index
< ProcessCount
)
493 PageFaultCount
= pPerfData
[Index
].PageFaultCount
;
497 LeaveCriticalSection(&PerfDataCriticalSection
);
499 return PageFaultCount
;
502 ULONG
PerfDataGetPageFaultCountDelta(ULONG Index
)
504 ULONG PageFaultCountDelta
;
506 EnterCriticalSection(&PerfDataCriticalSection
);
508 if (Index
< ProcessCount
)
509 PageFaultCountDelta
= pPerfData
[Index
].PageFaultCountDelta
;
511 PageFaultCountDelta
= 0;
513 LeaveCriticalSection(&PerfDataCriticalSection
);
515 return PageFaultCountDelta
;
518 ULONG
PerfDataGetVirtualMemorySizeBytes(ULONG Index
)
520 ULONG VirtualMemorySizeBytes
;
522 EnterCriticalSection(&PerfDataCriticalSection
);
524 if (Index
< ProcessCount
)
525 VirtualMemorySizeBytes
= pPerfData
[Index
].VirtualMemorySizeBytes
;
527 VirtualMemorySizeBytes
= 0;
529 LeaveCriticalSection(&PerfDataCriticalSection
);
531 return VirtualMemorySizeBytes
;
534 ULONG
PerfDataGetPagedPoolUsagePages(ULONG Index
)
536 ULONG PagedPoolUsagePages
;
538 EnterCriticalSection(&PerfDataCriticalSection
);
540 if (Index
< ProcessCount
)
541 PagedPoolUsagePages
= pPerfData
[Index
].PagedPoolUsagePages
;
543 PagedPoolUsagePages
= 0;
545 LeaveCriticalSection(&PerfDataCriticalSection
);
547 return PagedPoolUsagePages
;
550 ULONG
PerfDataGetNonPagedPoolUsagePages(ULONG Index
)
552 ULONG NonPagedPoolUsagePages
;
554 EnterCriticalSection(&PerfDataCriticalSection
);
556 if (Index
< ProcessCount
)
557 NonPagedPoolUsagePages
= pPerfData
[Index
].NonPagedPoolUsagePages
;
559 NonPagedPoolUsagePages
= 0;
561 LeaveCriticalSection(&PerfDataCriticalSection
);
563 return NonPagedPoolUsagePages
;
566 ULONG
PerfDataGetBasePriority(ULONG Index
)
570 EnterCriticalSection(&PerfDataCriticalSection
);
572 if (Index
< ProcessCount
)
573 BasePriority
= pPerfData
[Index
].BasePriority
;
577 LeaveCriticalSection(&PerfDataCriticalSection
);
582 ULONG
PerfDataGetHandleCount(ULONG Index
)
586 EnterCriticalSection(&PerfDataCriticalSection
);
588 if (Index
< ProcessCount
)
589 HandleCount
= pPerfData
[Index
].HandleCount
;
593 LeaveCriticalSection(&PerfDataCriticalSection
);
598 ULONG
PerfDataGetThreadCount(ULONG Index
)
602 EnterCriticalSection(&PerfDataCriticalSection
);
604 if (Index
< ProcessCount
)
605 ThreadCount
= pPerfData
[Index
].ThreadCount
;
609 LeaveCriticalSection(&PerfDataCriticalSection
);
614 ULONG
PerfDataGetUSERObjectCount(ULONG Index
)
616 ULONG USERObjectCount
;
618 EnterCriticalSection(&PerfDataCriticalSection
);
620 if (Index
< ProcessCount
)
621 USERObjectCount
= pPerfData
[Index
].USERObjectCount
;
625 LeaveCriticalSection(&PerfDataCriticalSection
);
627 return USERObjectCount
;
630 ULONG
PerfDataGetGDIObjectCount(ULONG Index
)
632 ULONG GDIObjectCount
;
634 EnterCriticalSection(&PerfDataCriticalSection
);
636 if (Index
< ProcessCount
)
637 GDIObjectCount
= pPerfData
[Index
].GDIObjectCount
;
641 LeaveCriticalSection(&PerfDataCriticalSection
);
643 return GDIObjectCount
;
646 BOOL
PerfDataGetIOCounters(ULONG Index
, PIO_COUNTERS pIoCounters
)
650 EnterCriticalSection(&PerfDataCriticalSection
);
652 if (Index
< ProcessCount
)
654 memcpy(pIoCounters
, &pPerfData
[Index
].IOCounters
, sizeof(IO_COUNTERS
));
660 LeaveCriticalSection(&PerfDataCriticalSection
);
665 ULONG
PerfDataGetCommitChargeTotalK(void)
670 EnterCriticalSection(&PerfDataCriticalSection
);
672 Total
= SystemPerfInfo
.MmTotalCommittedPages
;
673 PageSize
= SystemBasicInfo
.uPageSize
;
675 LeaveCriticalSection(&PerfDataCriticalSection
);
677 Total
= Total
* (PageSize
/ 1024);
682 ULONG
PerfDataGetCommitChargeLimitK(void)
687 EnterCriticalSection(&PerfDataCriticalSection
);
689 Limit
= SystemPerfInfo
.MmTotalCommitLimit
;
690 PageSize
= SystemBasicInfo
.uPageSize
;
692 LeaveCriticalSection(&PerfDataCriticalSection
);
694 Limit
= Limit
* (PageSize
/ 1024);
699 ULONG
PerfDataGetCommitChargePeakK(void)
704 EnterCriticalSection(&PerfDataCriticalSection
);
706 Peak
= SystemPerfInfo
.MmPeakLimit
;
707 PageSize
= SystemBasicInfo
.uPageSize
;
709 LeaveCriticalSection(&PerfDataCriticalSection
);
711 Peak
= Peak
* (PageSize
/ 1024);
716 ULONG
PerfDataGetKernelMemoryTotalK(void)
723 EnterCriticalSection(&PerfDataCriticalSection
);
725 Paged
= SystemPerfInfo
.PoolPagedBytes
;
726 NonPaged
= SystemPerfInfo
.PoolNonPagedBytes
;
727 PageSize
= SystemBasicInfo
.uPageSize
;
729 LeaveCriticalSection(&PerfDataCriticalSection
);
731 Paged
= Paged
* (PageSize
/ 1024);
732 NonPaged
= NonPaged
* (PageSize
/ 1024);
734 Total
= Paged
+ NonPaged
;
739 ULONG
PerfDataGetKernelMemoryPagedK(void)
744 EnterCriticalSection(&PerfDataCriticalSection
);
746 Paged
= SystemPerfInfo
.PoolPagedBytes
;
747 PageSize
= SystemBasicInfo
.uPageSize
;
749 LeaveCriticalSection(&PerfDataCriticalSection
);
751 Paged
= Paged
* (PageSize
/ 1024);
756 ULONG
PerfDataGetKernelMemoryNonPagedK(void)
761 EnterCriticalSection(&PerfDataCriticalSection
);
763 NonPaged
= SystemPerfInfo
.PoolNonPagedBytes
;
764 PageSize
= SystemBasicInfo
.uPageSize
;
766 LeaveCriticalSection(&PerfDataCriticalSection
);
768 NonPaged
= NonPaged
* (PageSize
/ 1024);
773 ULONG
PerfDataGetPhysicalMemoryTotalK(void)
778 EnterCriticalSection(&PerfDataCriticalSection
);
780 Total
= SystemBasicInfo
.uMmNumberOfPhysicalPages
;
781 PageSize
= SystemBasicInfo
.uPageSize
;
783 LeaveCriticalSection(&PerfDataCriticalSection
);
785 Total
= Total
* (PageSize
/ 1024);
790 ULONG
PerfDataGetPhysicalMemoryAvailableK(void)
795 EnterCriticalSection(&PerfDataCriticalSection
);
797 Available
= SystemPerfInfo
.MmAvailablePages
;
798 PageSize
= SystemBasicInfo
.uPageSize
;
800 LeaveCriticalSection(&PerfDataCriticalSection
);
802 Available
= Available
* (PageSize
/ 1024);
807 ULONG
PerfDataGetPhysicalMemorySystemCacheK(void)
812 EnterCriticalSection(&PerfDataCriticalSection
);
814 SystemCache
= SystemCacheInfo
.CurrentSize
;
815 PageSize
= SystemBasicInfo
.uPageSize
;
817 LeaveCriticalSection(&PerfDataCriticalSection
);
819 /* SystemCache = SystemCache * (PageSize / 1024); */
820 SystemCache
= SystemCache
/ 1024;
825 ULONG
PerfDataGetSystemHandleCount(void)
829 EnterCriticalSection(&PerfDataCriticalSection
);
831 HandleCount
= SystemHandleInfo
.Count
;
833 LeaveCriticalSection(&PerfDataCriticalSection
);
838 ULONG
PerfDataGetTotalThreadCount(void)
840 ULONG ThreadCount
= 0;
843 EnterCriticalSection(&PerfDataCriticalSection
);
845 for (i
=0; i
<ProcessCount
; i
++)
847 ThreadCount
+= pPerfData
[i
].ThreadCount
;
850 LeaveCriticalSection(&PerfDataCriticalSection
);