programs/taskmgr/perfdata.c

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