rosapps/taskmgr/perfdata.c

   1 /*
   2  *  ReactOS Task Manager
   3  *
   4  *  perfdata.cpp
   5  *
   6  *  Copyright (C) 1999 - 2001  Brian Palmer  <brianp@reactos.org>
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License, or
  11  *  (at your option) any later version.
  12  *
  13  *  This program 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
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software
  20  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21  */
  22
  23 #define WIN32_LEAN_AND_MEAN             // Exclude rarely-used stuff from Windows headers
  24 #include <windows.h>
  25 #include <commctrl.h>
  26 #include <stdlib.h>
  27 #include <malloc.h>
  28 #include <memory.h>
  29 #include <tchar.h>
  30 #include <process.h>
  31 #include <stdio.h>
  32
  33 #include "taskmgr.h"
  34 #include "perfdata.h"
  35
  36 PROCNTQSI                                               NtQuerySystemInformation = NULL;
  37 PROCGGR                                                 pGetGuiResources = NULL;
  38 PROCGPIC                                                pGetProcessIoCounters = NULL;
  39 CRITICAL_SECTION                                PerfDataCriticalSection;
  40 PPERFDATA                                               pPerfDataOld = NULL;    // Older perf data (saved to establish delta values)
  41 PPERFDATA                                               pPerfData = NULL;               // Most recent copy of perf data
  42 ULONG                                                   ProcessCountOld = 0;
  43 ULONG                                                   ProcessCount = 0;
  44 double                                                  dbIdleTime;
  45 double                                                  dbKernelTime;
  46 double                                                  dbSystemTime;
  47 LARGE_INTEGER                                   liOldIdleTime = {{0,0}};
  48 double                                                  OldKernelTime = 0;
  49 LARGE_INTEGER                                   liOldSystemTime = {{0,0}};
  50 SYSTEM_PERFORMANCE_INFORMATION  SystemPerfInfo;
  51 SYSTEM_BASIC_INFORMATION                SystemBasicInfo;
  52 SYSTEM_CACHE_INFORMATION                SystemCacheInfo;
  53 SYSTEM_HANDLE_INFORMATION               SystemHandleInfo;
  54 PSYSTEM_PROCESSORTIME_INFO              SystemProcessorTimeInfo = NULL;
  55
  56 BOOL PerfDataInitialize(void)
  57 {
  58         LONG    status;
  59
  60         NtQuerySystemInformation = (PROCNTQSI)GetProcAddress(GetModuleHandle(_T("ntdll.dll")), "NtQuerySystemInformation");
  61         pGetGuiResources = (PROCGGR)GetProcAddress(GetModuleHandle(_T("user32.dll")), "GetGuiResources");
  62         pGetProcessIoCounters = (PROCGPIC)GetProcAddress(GetModuleHandle(_T("kernel32.dll")), "GetProcessIoCounters");
  63
  64         InitializeCriticalSection(&PerfDataCriticalSection);
  65
  66         if (!NtQuerySystemInformation)
  67                 return FALSE;
  68
  69         //
  70         // Get number of processors in the system
  71         //
  72         status = NtQuerySystemInformation(SystemBasicInformation, &SystemBasicInfo, sizeof(SystemBasicInfo), NULL);
  73         if (status != NO_ERROR)
  74                 return FALSE;
  75
  76         return TRUE;
  77 }
  78
  79 void PerfDataUninitialize(void)
  80 {
  81         NtQuerySystemInformation = NULL;
  82
  83         DeleteCriticalSection(&PerfDataCriticalSection);
  84 }
  85
  86 void PerfDataRefresh(void)
  87 {
  88         ULONG                                                   ulSize;
  89         LONG                                                    status;
  90         LPBYTE                                                  pBuffer;
  91         ULONG                                                   BufferSize;
  92         PSYSTEM_PROCESS_INFORMATION             pSPI;
  93         PPERFDATA                                               pPDOld;
  94         ULONG                                                   Idx, Idx2;
  95         HANDLE                                                  hProcess;
  96         HANDLE                                                  hProcessToken;
  97         TCHAR                                                   szTemp[MAX_PATH];
  98         DWORD                                                   dwSize;
  99         SYSTEM_PERFORMANCE_INFORMATION  SysPerfInfo;
 100         SYSTEM_TIME_INFORMATION                 SysTimeInfo;
 101         SYSTEM_CACHE_INFORMATION                SysCacheInfo;
 102         LPBYTE                                                  SysHandleInfoData;
 103         PSYSTEM_PROCESSORTIME_INFO              SysProcessorTimeInfo;
 104         double                                                  CurrentKernelTime;
 105
 106
 107         if (!NtQuerySystemInformation)
 108                 return;
 109
 110         // Get new system time
 111         status = NtQuerySystemInformation(SystemTimeInformation, &SysTimeInfo, sizeof(SysTimeInfo), 0);
 112         if (status != NO_ERROR)
 113                 return;
 114
 115         // Get new CPU's idle time
 116         status = NtQuerySystemInformation(SystemPerformanceInformation, &SysPerfInfo, sizeof(SysPerfInfo), NULL);
 117         if (status != NO_ERROR)
 118                 return;
 119
 120         // Get system cache information
 121         status = NtQuerySystemInformation(SystemCacheInformation, &SysCacheInfo, sizeof(SysCacheInfo), NULL);
 122         if (status != NO_ERROR)
 123                 return;
 124
 125         // Get processor time information
 126         //SysProcessorTimeInfo = new SYSTEM_PROCESSORTIME_INFO[SystemBasicInfo.bKeNumberProcessors];
 127         SysProcessorTimeInfo = (PSYSTEM_PROCESSORTIME_INFO)malloc(sizeof(SYSTEM_PROCESSORTIME_INFO) * SystemBasicInfo.bKeNumberProcessors);
 128         status = NtQuerySystemInformation(SystemProcessorTimeInformation, SysProcessorTimeInfo, sizeof(SYSTEM_PROCESSORTIME_INFO) * SystemBasicInfo.bKeNumberProcessors, &ulSize);
 129         if (status != NO_ERROR)
 130                 return;
 131
 132         // Get handle information
 133         // We don't know how much data there is so just keep
 134         // increasing the buffer size until the call succeeds
 135         BufferSize = 0;
 136         do
 137         {
 138                 BufferSize += 0x10000;
 139                 //SysHandleInfoData = new BYTE[BufferSize];
 140                 SysHandleInfoData = (LPBYTE)malloc(BufferSize);
 141
 142                 status = NtQuerySystemInformation(SystemHandleInformation, SysHandleInfoData, BufferSize, &ulSize);
 143
 144                 if (status == 0xC0000004 /*STATUS_INFO_LENGTH_MISMATCH*/) {
 145                         //delete[] SysHandleInfoData;
 146                         free(SysHandleInfoData);
 147                 }
 148
 149         } while (status == 0xC0000004 /*STATUS_INFO_LENGTH_MISMATCH*/);
 150
 151         // Get process information
 152         // We don't know how much data there is so just keep
 153         // increasing the buffer size until the call succeeds
 154         BufferSize = 0;
 155         do
 156         {
 157                 BufferSize += 0x10000;
 158                 //pBuffer = new BYTE[BufferSize];
 159                 pBuffer = (LPBYTE)malloc(BufferSize);
 160
 161                 status = NtQuerySystemInformation(SystemProcessInformation, pBuffer, BufferSize, &ulSize);
 162
 163                 if (status == 0xC0000004 /*STATUS_INFO_LENGTH_MISMATCH*/) {
 164                         //delete[] pBuffer;
 165                         free(pBuffer);
 166                 }
 167
 168         } while (status == 0xC0000004 /*STATUS_INFO_LENGTH_MISMATCH*/);
 169
 170         EnterCriticalSection(&PerfDataCriticalSection);
 171
 172         //
 173         // Save system performance info
 174         //
 175         memcpy(&SystemPerfInfo, &SysPerfInfo, sizeof(SYSTEM_PERFORMANCE_INFORMATION));
 176
 177         //
 178         // Save system cache info
 179         //
 180         memcpy(&SystemCacheInfo, &SysCacheInfo, sizeof(SYSTEM_CACHE_INFORMATION));
 181
 182         //
 183         // Save system processor time info
 184         //
 185         if (SystemProcessorTimeInfo) {
 186                 //delete[] SystemProcessorTimeInfo;
 187                 free(SystemProcessorTimeInfo);
 188         }
 189         SystemProcessorTimeInfo = SysProcessorTimeInfo;
 190
 191         //
 192         // Save system handle info
 193         //
 194         memcpy(&SystemHandleInfo, SysHandleInfoData, sizeof(SYSTEM_HANDLE_INFORMATION));
 195         //delete[] SysHandleInfoData;
 196         free(SysHandleInfoData);
 197
 198         for (CurrentKernelTime=0, Idx=0; Idx<SystemBasicInfo.bKeNumberProcessors; Idx++) {
 199                 CurrentKernelTime += Li2Double(SystemProcessorTimeInfo[Idx].KernelTime);
 200                 CurrentKernelTime += Li2Double(SystemProcessorTimeInfo[Idx].DpcTime);
 201                 CurrentKernelTime += Li2Double(SystemProcessorTimeInfo[Idx].InterruptTime);
 202         }
 203
 204         // If it's a first call - skip idle time calcs
 205         if (liOldIdleTime.QuadPart != 0) {
 206                 // CurrentValue = NewValue - OldValue
 207                 dbIdleTime = Li2Double(SysPerfInfo.liIdleTime) - Li2Double(liOldIdleTime);
 208                 dbKernelTime = CurrentKernelTime - OldKernelTime;
 209                 dbSystemTime = Li2Double(SysTimeInfo.liKeSystemTime) - Li2Double(liOldSystemTime);
 210
 211                 // CurrentCpuIdle = IdleTime / SystemTime
 212                 dbIdleTime = dbIdleTime / dbSystemTime;
 213                 dbKernelTime = dbKernelTime / dbSystemTime;
 214
 215                 // CurrentCpuUsage% = 100 - (CurrentCpuIdle * 100) / NumberOfProcessors
 216                 dbIdleTime = 100.0 - dbIdleTime * 100.0 / (double)SystemBasicInfo.bKeNumberProcessors;// + 0.5;
 217                 dbKernelTime = 100.0 - dbKernelTime * 100.0 / (double)SystemBasicInfo.bKeNumberProcessors;// + 0.5;
 218         }
 219
 220         // Store new CPU's idle and system time
 221         liOldIdleTime = SysPerfInfo.liIdleTime;
 222         liOldSystemTime = SysTimeInfo.liKeSystemTime;
 223         OldKernelTime = CurrentKernelTime;
 224
 225         // Determine the process count
 226         // We loop through the data we got from NtQuerySystemInformation
 227         // and count how many structures there are (until RelativeOffset is 0)
 228         ProcessCountOld = ProcessCount;
 229         ProcessCount = 0;
 230         pSPI = (PSYSTEM_PROCESS_INFORMATION)pBuffer;
 231         while (pSPI) {
 232                 ProcessCount++;
 233                 if (pSPI->RelativeOffset == 0)
 234                         break;
 235                 pSPI = (PSYSTEM_PROCESS_INFORMATION)((LPBYTE)pSPI + pSPI->RelativeOffset);
 236         }
 237
 238         // Now alloc a new PERFDATA array and fill in the data
 239         if (pPerfDataOld) {
 240                 //delete[] pPerfDataOld;
 241                 free(pPerfDataOld);
 242         }
 243         pPerfDataOld = pPerfData;
 244         //pPerfData = new PERFDATA[ProcessCount];
 245         pPerfData = (PPERFDATA)malloc(sizeof(PERFDATA) * ProcessCount);
 246         pSPI = (PSYSTEM_PROCESS_INFORMATION)pBuffer;
 247         for (Idx=0; Idx<ProcessCount; Idx++) {
 248                 // Get the old perf data for this process (if any)
 249                 // so that we can establish delta values
 250                 pPDOld = NULL;
 251                 for (Idx2=0; Idx2<ProcessCountOld; Idx2++) {
 252                         if (pPerfDataOld[Idx2].ProcessId == pSPI->ProcessId) {
 253                                 pPDOld = &pPerfDataOld[Idx2];
 254                                 break;
 255                         }
 256                 }
 257
 258                 // Clear out process perf data structure
 259                 memset(&pPerfData[Idx], 0, sizeof(PERFDATA));
 260
 261                 if (pSPI->Name.Buffer)
 262                         wcscpy(pPerfData[Idx].ImageName, pSPI->Name.Buffer);
 263                 else
 264                         wcscpy(pPerfData[Idx].ImageName, L"System Idle Process");
 265
 266                 pPerfData[Idx].ProcessId = pSPI->ProcessId;
 267
 268                 if (pPDOld)     {
 269                         double  CurTime = Li2Double(pSPI->KernelTime) + Li2Double(pSPI->UserTime);
 270                         double  OldTime = Li2Double(pPDOld->KernelTime) + Li2Double(pPDOld->UserTime);
 271                         double  CpuTime = (CurTime - OldTime) / dbSystemTime;
 272                         CpuTime = CpuTime * 100.0 / (double)SystemBasicInfo.bKeNumberProcessors;// + 0.5;
 273                         pPerfData[Idx].CPUUsage = (ULONG)CpuTime;
 274                 }
 275                 pPerfData[Idx].CPUTime.QuadPart = pSPI->UserTime.QuadPart + pSPI->KernelTime.QuadPart;
 276                 pPerfData[Idx].WorkingSetSizeBytes = pSPI->TotalWorkingSetSizeBytes;
 277                 pPerfData[Idx].PeakWorkingSetSizeBytes = pSPI->PeakWorkingSetSizeBytes;
 278                 if (pPDOld)
 279                         pPerfData[Idx].WorkingSetSizeDelta = labs((LONG)pSPI->TotalWorkingSetSizeBytes - (LONG)pPDOld->WorkingSetSizeBytes);
 280                 else
 281                         pPerfData[Idx].WorkingSetSizeDelta = 0;
 282                 pPerfData[Idx].PageFaultCount = pSPI->PageFaultCount;
 283                 if (pPDOld)
 284                         pPerfData[Idx].PageFaultCountDelta = labs((LONG)pSPI->PageFaultCount - (LONG)pPDOld->PageFaultCount);
 285                 else
 286                         pPerfData[Idx].PageFaultCountDelta = 0;
 287                 pPerfData[Idx].VirtualMemorySizeBytes = pSPI->TotalVirtualSizeBytes;
 288                 pPerfData[Idx].PagedPoolUsagePages = pSPI->TotalPagedPoolUsagePages;
 289                 pPerfData[Idx].NonPagedPoolUsagePages = pSPI->TotalNonPagedPoolUsagePages;
 290                 pPerfData[Idx].BasePriority = pSPI->BasePriority;
 291                 pPerfData[Idx].HandleCount = pSPI->HandleCount;
 292                 pPerfData[Idx].ThreadCount = pSPI->ThreadCount;
 293                 pPerfData[Idx].SessionId = pSPI->SessionId;
 294
 295                 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, pSPI->ProcessId);
 296                 if (hProcess) {
 297                         if (OpenProcessToken(hProcess, TOKEN_QUERY|TOKEN_DUPLICATE|TOKEN_IMPERSONATE, &hProcessToken)) {
 298                                 ImpersonateLoggedOnUser(hProcessToken);
 299                                 memset(szTemp, 0, sizeof(TCHAR[MAX_PATH]));
 300                                 dwSize = MAX_PATH;
 301                                 GetUserName(szTemp, &dwSize);
 302 #ifndef UNICODE
 303                                 MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, szTemp, -1, pPerfData[Idx].UserName, MAX_PATH);
 304 /*
 305 int MultiByteToWideChar(
 306   UINT CodePage,         // code page
 307   DWORD dwFlags,         // character-type options
 308   LPCSTR lpMultiByteStr, // string to map
 309   int cbMultiByte,       // number of bytes in string
 310   LPWSTR lpWideCharStr,  // wide-character buffer
 311   int cchWideChar        // size of buffer
 312 );
 313  */
 314 #endif
 315                                 RevertToSelf();
 316                                 CloseHandle(hProcessToken);
 317                         }
 318                         if (pGetGuiResources) {
 319                                 pPerfData[Idx].USERObjectCount = pGetGuiResources(hProcess, GR_USEROBJECTS);
 320                                 pPerfData[Idx].GDIObjectCount = pGetGuiResources(hProcess, GR_GDIOBJECTS);
 321                         }
 322                         if (pGetProcessIoCounters)
 323                                 pGetProcessIoCounters(hProcess, &pPerfData[Idx].IOCounters);
 324                         CloseHandle(hProcess);
 325                 }
 326                 pPerfData[Idx].UserTime.QuadPart = pSPI->UserTime.QuadPart;
 327                 pPerfData[Idx].KernelTime.QuadPart = pSPI->KernelTime.QuadPart;
 328                 pSPI = (PSYSTEM_PROCESS_INFORMATION)((LPBYTE)pSPI + pSPI->RelativeOffset);
 329         }
 330         //delete[] pBuffer;
 331         free(pBuffer);
 332         LeaveCriticalSection(&PerfDataCriticalSection);
 333 }
 334
 335 ULONG PerfDataGetProcessCount(void)
 336 {
 337         return ProcessCount;
 338 }
 339
 340 ULONG PerfDataGetProcessorUsage(void)
 341 {
 342         return (ULONG)dbIdleTime;
 343 }
 344
 345 ULONG PerfDataGetProcessorSystemUsage(void)
 346 {
 347         return (ULONG)dbKernelTime;
 348 }
 349
 350 BOOL PerfDataGetImageName(ULONG Index, LPTSTR lpImageName, int nMaxCount)
 351 {
 352         BOOL    bSuccessful;
 353
 354         EnterCriticalSection(&PerfDataCriticalSection);
 355
 356         if (Index < ProcessCount) {
 357                 #ifdef _UNICODE
 358                         wcsncpy(lpImageName, pPerfData[Index].ImageName, nMaxCount);
 359                 #else
 360                         WideCharToMultiByte(CP_ACP, 0, pPerfData[Index].ImageName, -1, lpImageName, nMaxCount, NULL, NULL);
 361                 #endif
 362
 363                 bSuccessful = TRUE;
 364         } else {
 365                 bSuccessful = FALSE;
 366         }
 367         LeaveCriticalSection(&PerfDataCriticalSection);
 368         return bSuccessful;
 369 }
 370
 371 ULONG PerfDataGetProcessId(ULONG Index)
 372 {
 373         ULONG   ProcessId;
 374
 375         EnterCriticalSection(&PerfDataCriticalSection);
 376
 377         if (Index < ProcessCount)
 378                 ProcessId = pPerfData[Index].ProcessId;
 379         else
 380                 ProcessId = 0;
 381
 382         LeaveCriticalSection(&PerfDataCriticalSection);
 383
 384         return ProcessId;
 385 }
 386
 387 BOOL PerfDataGetUserName(ULONG Index, LPTSTR lpUserName, int nMaxCount)
 388 {
 389         BOOL    bSuccessful;
 390
 391         EnterCriticalSection(&PerfDataCriticalSection);
 392
 393         if (Index < ProcessCount) {
 394                 #ifdef _UNICODE
 395                         wcsncpy(lpUserName, pPerfData[Index].UserName, nMaxCount);
 396                 #else
 397                         WideCharToMultiByte(CP_ACP, 0, pPerfData[Index].UserName, -1, lpUserName, nMaxCount, NULL, NULL);
 398                 #endif
 399
 400                 bSuccessful = TRUE;
 401         } else {
 402                 bSuccessful = FALSE;
 403         }
 404
 405         LeaveCriticalSection(&PerfDataCriticalSection);
 406
 407         return bSuccessful;
 408 }
 409
 410 ULONG PerfDataGetSessionId(ULONG Index)
 411 {
 412         ULONG   SessionId;
 413
 414         EnterCriticalSection(&PerfDataCriticalSection);
 415
 416         if (Index < ProcessCount)
 417                 SessionId = pPerfData[Index].SessionId;
 418         else
 419                 SessionId = 0;
 420
 421         LeaveCriticalSection(&PerfDataCriticalSection);
 422
 423         return SessionId;
 424 }
 425
 426 ULONG PerfDataGetCPUUsage(ULONG Index)
 427 {
 428         ULONG   CpuUsage;
 429
 430         EnterCriticalSection(&PerfDataCriticalSection);
 431
 432         if (Index < ProcessCount)
 433                 CpuUsage = pPerfData[Index].CPUUsage;
 434         else
 435                 CpuUsage = 0;
 436
 437         LeaveCriticalSection(&PerfDataCriticalSection);
 438
 439         return CpuUsage;
 440 }
 441
 442 TIME PerfDataGetCPUTime(ULONG Index)
 443 {
 444         TIME    CpuTime = {{0,0}};
 445
 446         EnterCriticalSection(&PerfDataCriticalSection);
 447
 448         if (Index < ProcessCount)
 449                 CpuTime = pPerfData[Index].CPUTime;
 450
 451         LeaveCriticalSection(&PerfDataCriticalSection);
 452
 453         return CpuTime;
 454 }
 455
 456 ULONG PerfDataGetWorkingSetSizeBytes(ULONG Index)
 457 {
 458         ULONG   WorkingSetSizeBytes;
 459
 460         EnterCriticalSection(&PerfDataCriticalSection);
 461
 462         if (Index < ProcessCount)
 463                 WorkingSetSizeBytes = pPerfData[Index].WorkingSetSizeBytes;
 464         else
 465                 WorkingSetSizeBytes = 0;
 466
 467         LeaveCriticalSection(&PerfDataCriticalSection);
 468
 469         return WorkingSetSizeBytes;
 470 }
 471
 472 ULONG PerfDataGetPeakWorkingSetSizeBytes(ULONG Index)
 473 {
 474         ULONG   PeakWorkingSetSizeBytes;
 475
 476         EnterCriticalSection(&PerfDataCriticalSection);
 477
 478         if (Index < ProcessCount)
 479                 PeakWorkingSetSizeBytes = pPerfData[Index].PeakWorkingSetSizeBytes;
 480         else
 481                 PeakWorkingSetSizeBytes = 0;
 482
 483         LeaveCriticalSection(&PerfDataCriticalSection);
 484
 485         return PeakWorkingSetSizeBytes;
 486 }
 487
 488 ULONG PerfDataGetWorkingSetSizeDelta(ULONG Index)
 489 {
 490         ULONG   WorkingSetSizeDelta;
 491
 492         EnterCriticalSection(&PerfDataCriticalSection);
 493
 494         if (Index < ProcessCount)
 495                 WorkingSetSizeDelta = pPerfData[Index].WorkingSetSizeDelta;
 496         else
 497                 WorkingSetSizeDelta = 0;
 498
 499         LeaveCriticalSection(&PerfDataCriticalSection);
 500
 501         return WorkingSetSizeDelta;
 502 }
 503
 504 ULONG PerfDataGetPageFaultCount(ULONG Index)
 505 {
 506         ULONG   PageFaultCount;
 507
 508         EnterCriticalSection(&PerfDataCriticalSection);
 509
 510         if (Index < ProcessCount)
 511                 PageFaultCount = pPerfData[Index].PageFaultCount;
 512         else
 513                 PageFaultCount = 0;
 514
 515         LeaveCriticalSection(&PerfDataCriticalSection);
 516
 517         return PageFaultCount;
 518 }
 519
 520 ULONG PerfDataGetPageFaultCountDelta(ULONG Index)
 521 {
 522         ULONG   PageFaultCountDelta;
 523
 524         EnterCriticalSection(&PerfDataCriticalSection);
 525
 526         if (Index < ProcessCount)
 527                 PageFaultCountDelta = pPerfData[Index].PageFaultCountDelta;
 528         else
 529                 PageFaultCountDelta = 0;
 530
 531         LeaveCriticalSection(&PerfDataCriticalSection);
 532
 533         return PageFaultCountDelta;
 534 }
 535
 536 ULONG PerfDataGetVirtualMemorySizeBytes(ULONG Index)
 537 {
 538         ULONG   VirtualMemorySizeBytes;
 539
 540         EnterCriticalSection(&PerfDataCriticalSection);
 541
 542         if (Index < ProcessCount)
 543                 VirtualMemorySizeBytes = pPerfData[Index].VirtualMemorySizeBytes;
 544         else
 545                 VirtualMemorySizeBytes = 0;
 546
 547         LeaveCriticalSection(&PerfDataCriticalSection);
 548
 549         return VirtualMemorySizeBytes;
 550 }
 551
 552 ULONG PerfDataGetPagedPoolUsagePages(ULONG Index)
 553 {
 554         ULONG   PagedPoolUsagePages;
 555
 556         EnterCriticalSection(&PerfDataCriticalSection);
 557
 558         if (Index < ProcessCount)
 559                 PagedPoolUsagePages = pPerfData[Index].PagedPoolUsagePages;
 560         else
 561                 PagedPoolUsagePages = 0;
 562
 563         LeaveCriticalSection(&PerfDataCriticalSection);
 564
 565         return PagedPoolUsagePages;
 566 }
 567
 568 ULONG PerfDataGetNonPagedPoolUsagePages(ULONG Index)
 569 {
 570         ULONG   NonPagedPoolUsagePages;
 571
 572         EnterCriticalSection(&PerfDataCriticalSection);
 573
 574         if (Index < ProcessCount)
 575                 NonPagedPoolUsagePages = pPerfData[Index].NonPagedPoolUsagePages;
 576         else
 577                 NonPagedPoolUsagePages = 0;
 578
 579         LeaveCriticalSection(&PerfDataCriticalSection);
 580
 581         return NonPagedPoolUsagePages;
 582 }
 583
 584 ULONG PerfDataGetBasePriority(ULONG Index)
 585 {
 586         ULONG   BasePriority;
 587
 588         EnterCriticalSection(&PerfDataCriticalSection);
 589
 590         if (Index < ProcessCount)
 591                 BasePriority = pPerfData[Index].BasePriority;
 592         else
 593                 BasePriority = 0;
 594
 595         LeaveCriticalSection(&PerfDataCriticalSection);
 596
 597         return BasePriority;
 598 }
 599
 600 ULONG PerfDataGetHandleCount(ULONG Index)
 601 {
 602         ULONG   HandleCount;
 603
 604         EnterCriticalSection(&PerfDataCriticalSection);
 605
 606         if (Index < ProcessCount)
 607                 HandleCount = pPerfData[Index].HandleCount;
 608         else
 609                 HandleCount = 0;
 610
 611         LeaveCriticalSection(&PerfDataCriticalSection);
 612
 613         return HandleCount;
 614 }
 615
 616 ULONG PerfDataGetThreadCount(ULONG Index)
 617 {
 618         ULONG   ThreadCount;
 619
 620         EnterCriticalSection(&PerfDataCriticalSection);
 621
 622         if (Index < ProcessCount)
 623                 ThreadCount = pPerfData[Index].ThreadCount;
 624         else
 625                 ThreadCount = 0;
 626
 627         LeaveCriticalSection(&PerfDataCriticalSection);
 628
 629         return ThreadCount;
 630 }
 631
 632 ULONG PerfDataGetUSERObjectCount(ULONG Index)
 633 {
 634         ULONG   USERObjectCount;
 635
 636         EnterCriticalSection(&PerfDataCriticalSection);
 637
 638         if (Index < ProcessCount)
 639                 USERObjectCount = pPerfData[Index].USERObjectCount;
 640         else
 641                 USERObjectCount = 0;
 642
 643         LeaveCriticalSection(&PerfDataCriticalSection);
 644
 645         return USERObjectCount;
 646 }
 647
 648 ULONG PerfDataGetGDIObjectCount(ULONG Index)
 649 {
 650         ULONG   GDIObjectCount;
 651
 652         EnterCriticalSection(&PerfDataCriticalSection);
 653
 654         if (Index < ProcessCount)
 655                 GDIObjectCount = pPerfData[Index].GDIObjectCount;
 656         else
 657                 GDIObjectCount = 0;
 658
 659         LeaveCriticalSection(&PerfDataCriticalSection);
 660
 661         return GDIObjectCount;
 662 }
 663
 664 BOOL PerfDataGetIOCounters(ULONG Index, PIO_COUNTERS pIoCounters)
 665 {
 666         BOOL    bSuccessful;
 667
 668         EnterCriticalSection(&PerfDataCriticalSection);
 669
 670         if (Index < ProcessCount)
 671         {
 672                 memcpy(pIoCounters, &pPerfData[Index].IOCounters, sizeof(IO_COUNTERS));
 673                 bSuccessful = TRUE;
 674         }
 675         else
 676                 bSuccessful = FALSE;
 677
 678         LeaveCriticalSection(&PerfDataCriticalSection);
 679
 680         return bSuccessful;
 681 }
 682
 683 ULONG PerfDataGetCommitChargeTotalK(void)
 684 {
 685         ULONG   Total;
 686         ULONG   PageSize;
 687
 688         EnterCriticalSection(&PerfDataCriticalSection);
 689
 690         Total = SystemPerfInfo.MmTotalCommitedPages;
 691         PageSize = SystemBasicInfo.uPageSize;
 692
 693         LeaveCriticalSection(&PerfDataCriticalSection);
 694
 695         Total = Total * (PageSize / 1024);
 696
 697         return Total;
 698 }
 699
 700 ULONG PerfDataGetCommitChargeLimitK(void)
 701 {
 702         ULONG   Limit;
 703         ULONG   PageSize;
 704
 705         EnterCriticalSection(&PerfDataCriticalSection);
 706
 707         Limit = SystemPerfInfo.MmTotalCommitLimit;
 708         PageSize = SystemBasicInfo.uPageSize;
 709
 710         LeaveCriticalSection(&PerfDataCriticalSection);
 711
 712         Limit = Limit * (PageSize / 1024);
 713
 714         return Limit;
 715 }
 716
 717 ULONG PerfDataGetCommitChargePeakK(void)
 718 {
 719         ULONG   Peak;
 720         ULONG   PageSize;
 721
 722         EnterCriticalSection(&PerfDataCriticalSection);
 723
 724         Peak = SystemPerfInfo.MmPeakLimit;
 725         PageSize = SystemBasicInfo.uPageSize;
 726
 727         LeaveCriticalSection(&PerfDataCriticalSection);
 728
 729         Peak = Peak * (PageSize / 1024);
 730
 731         return Peak;
 732 }
 733
 734 ULONG PerfDataGetKernelMemoryTotalK(void)
 735 {
 736         ULONG   Total;
 737         ULONG   Paged;
 738         ULONG   NonPaged;
 739         ULONG   PageSize;
 740
 741         EnterCriticalSection(&PerfDataCriticalSection);
 742
 743         Paged = SystemPerfInfo.PoolPagedBytes;
 744         NonPaged = SystemPerfInfo.PoolNonPagedBytes;
 745         PageSize = SystemBasicInfo.uPageSize;
 746
 747         LeaveCriticalSection(&PerfDataCriticalSection);
 748
 749         Paged = Paged * (PageSize / 1024);
 750         NonPaged = NonPaged * (PageSize / 1024);
 751
 752         Total = Paged + NonPaged;
 753
 754         return Total;
 755 }
 756
 757 ULONG PerfDataGetKernelMemoryPagedK(void)
 758 {
 759         ULONG   Paged;
 760         ULONG   PageSize;
 761
 762         EnterCriticalSection(&PerfDataCriticalSection);
 763
 764         Paged = SystemPerfInfo.PoolPagedBytes;
 765         PageSize = SystemBasicInfo.uPageSize;
 766
 767         LeaveCriticalSection(&PerfDataCriticalSection);
 768
 769         Paged = Paged * (PageSize / 1024);
 770
 771         return Paged;
 772 }
 773
 774 ULONG PerfDataGetKernelMemoryNonPagedK(void)
 775 {
 776         ULONG   NonPaged;
 777         ULONG   PageSize;
 778
 779         EnterCriticalSection(&PerfDataCriticalSection);
 780
 781         NonPaged = SystemPerfInfo.PoolNonPagedBytes;
 782         PageSize = SystemBasicInfo.uPageSize;
 783
 784         LeaveCriticalSection(&PerfDataCriticalSection);
 785
 786         NonPaged = NonPaged * (PageSize / 1024);
 787
 788         return NonPaged;
 789 }
 790
 791 ULONG PerfDataGetPhysicalMemoryTotalK(void)
 792 {
 793         ULONG   Total;
 794         ULONG   PageSize;
 795
 796         EnterCriticalSection(&PerfDataCriticalSection);
 797
 798         Total = SystemBasicInfo.uMmNumberOfPhysicalPages;
 799         PageSize = SystemBasicInfo.uPageSize;
 800
 801         LeaveCriticalSection(&PerfDataCriticalSection);
 802
 803         Total = Total * (PageSize / 1024);
 804
 805         return Total;
 806 }
 807
 808 ULONG PerfDataGetPhysicalMemoryAvailableK(void)
 809 {
 810         ULONG   Available;
 811         ULONG   PageSize;
 812
 813         EnterCriticalSection(&PerfDataCriticalSection);
 814
 815         Available = SystemPerfInfo.MmAvailablePages;
 816         PageSize = SystemBasicInfo.uPageSize;
 817
 818         LeaveCriticalSection(&PerfDataCriticalSection);
 819
 820         Available = Available * (PageSize / 1024);
 821
 822         return Available;
 823 }
 824
 825 ULONG PerfDataGetPhysicalMemorySystemCacheK(void)
 826 {
 827         ULONG   SystemCache;
 828         ULONG   PageSize;
 829
 830         EnterCriticalSection(&PerfDataCriticalSection);
 831
 832         SystemCache = SystemCacheInfo.CurrentSize;
 833         PageSize = SystemBasicInfo.uPageSize;
 834
 835         LeaveCriticalSection(&PerfDataCriticalSection);
 836
 837         //SystemCache = SystemCache * (PageSize / 1024);
 838         SystemCache = SystemCache / 1024;
 839
 840         return SystemCache;
 841 }
 842
 843 ULONG PerfDataGetSystemHandleCount(void)
 844 {
 845         ULONG   HandleCount;
 846
 847         EnterCriticalSection(&PerfDataCriticalSection);
 848
 849         HandleCount = SystemHandleInfo.Count;
 850
 851         LeaveCriticalSection(&PerfDataCriticalSection);
 852
 853         return HandleCount;
 854 }
 855
 856 ULONG PerfDataGetTotalThreadCount(void)
 857 {
 858         ULONG   ThreadCount = 0;
 859         ULONG   i;
 860
 861         EnterCriticalSection(&PerfDataCriticalSection);
 862
 863         for (i=0; i<ProcessCount; i++)
 864         {
 865                 ThreadCount += pPerfData[i].ThreadCount;
 866         }
 867
 868         LeaveCriticalSection(&PerfDataCriticalSection);
 869
 870         return ThreadCount;
 871 }