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 <memory.h>
  28 #include <tchar.h>
  29 #include <stdio.h>
  30 #include <winnt.h>
  31 #include "taskmgr.h"
  32 #include "perfdata.h"
  33
  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;
  53
  54 BOOL PerfDataInitialize(void)
  55 {
  56     LONG    status;
  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};
  60
  61     NtQuerySystemInformation = (PROCNTQSI)GetProcAddress(GetModuleHandleW(wszNtdll), "NtQuerySystemInformation");
  62     pGetGuiResources = (PROCGGR)GetProcAddress(GetModuleHandleW(wszUser32), "GetGuiResources");
  63     pGetProcessIoCounters = (PROCGPIC)GetProcAddress(GetModuleHandleW(wszKernel32), "GetProcessIoCounters");
  64
  65     InitializeCriticalSection(&PerfDataCriticalSection);
  66
  67     if (!NtQuerySystemInformation)
  68         return FALSE;
  69
  70     /*
  71      * Get number of processors in the system
  72      */
  73     status = NtQuerySystemInformation(SystemBasicInformation, &SystemBasicInfo, sizeof(SystemBasicInfo), NULL);
  74     if (status != NO_ERROR)
  75         return FALSE;
  76
  77     return TRUE;
  78 }
  79
  80 void PerfDataUninitialize(void)
  81 {
  82     NtQuerySystemInformation = NULL;
  83
  84     DeleteCriticalSection(&PerfDataCriticalSection);
  85 }
  86
  87 void PerfDataRefresh(void)
  88 {
  89     ULONG                            ulSize;
  90     LONG                            status;
  91     LPBYTE                            pBuffer;
  92     ULONG                            BufferSize;
  93     PSYSTEM_PROCESS_INFORMATION        pSPI;
  94     PPERFDATA                        pPDOld;
  95     ULONG                            Idx, Idx2;
  96     HANDLE                            hProcess;
  97     HANDLE                            hProcessToken;
  98     WCHAR                            wszTemp[MAX_PATH];
  99     DWORD                            dwSize;
 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;
 106
 107
 108     if (!NtQuerySystemInformation)
 109         return;
 110
 111     /* Get new system time */
 112     status = NtQuerySystemInformation(SystemTimeInformation, &SysTimeInfo, sizeof(SysTimeInfo), 0);
 113     if (status != NO_ERROR)
 114         return;
 115
 116     /* Get new CPU's idle time */
 117     status = NtQuerySystemInformation(SystemPerformanceInformation, &SysPerfInfo, sizeof(SysPerfInfo), NULL);
 118     if (status != NO_ERROR)
 119         return;
 120
 121     /* Get system cache information */
 122     status = NtQuerySystemInformation(SystemCacheInformation, &SysCacheInfo, sizeof(SysCacheInfo), NULL);
 123     if (status != NO_ERROR)
 124         return;
 125
 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);
 132         return;
 133     }
 134
 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
 138      */
 139     BufferSize = 0;
 140     do
 141     {
 142         BufferSize += 0x10000;
 143         SysHandleInfoData = HeapAlloc(GetProcessHeap(), 0, BufferSize);
 144
 145         status = NtQuerySystemInformation(SystemHandleInformation, SysHandleInfoData, BufferSize, &ulSize);
 146
 147         if (status == 0xC0000004 /*STATUS_INFO_LENGTH_MISMATCH*/) {
 148             HeapFree(GetProcessHeap(), 0, SysHandleInfoData);
 149         }
 150
 151     } while (status == 0xC0000004 /*STATUS_INFO_LENGTH_MISMATCH*/);
 152
 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
 156      */
 157     BufferSize = 0;
 158     do
 159     {
 160         BufferSize += 0x10000;
 161         pBuffer = HeapAlloc(GetProcessHeap(), 0, BufferSize);
 162
 163         status = NtQuerySystemInformation(SystemProcessInformation, pBuffer, BufferSize, &ulSize);
 164
 165         if (status == 0xC0000004 /*STATUS_INFO_LENGTH_MISMATCH*/) {
 166             HeapFree(GetProcessHeap(), 0, pBuffer);
 167         }
 168
 169     } while (status == 0xC0000004 /*STATUS_INFO_LENGTH_MISMATCH*/);
 170
 171     EnterCriticalSection(&PerfDataCriticalSection);
 172
 173     /*
 174      * Save system performance info
 175      */
 176     memcpy(&SystemPerfInfo, &SysPerfInfo, sizeof(SYSTEM_PERFORMANCE_INFORMATION));
 177
 178     /*
 179      * Save system cache info
 180      */
 181     memcpy(&SystemCacheInfo, &SysCacheInfo, sizeof(SYSTEM_CACHE_INFORMATION));
 182
 183     /*
 184      * Save system processor time info
 185      */
 186     HeapFree(GetProcessHeap(), 0, SystemProcessorTimeInfo);
 187     SystemProcessorTimeInfo = SysProcessorTimeInfo;
 188
 189     /*
 190      * Save system handle info
 191      */
 192     memcpy(&SystemHandleInfo, SysHandleInfoData, sizeof(SYSTEM_HANDLE_INFORMATION));
 193     HeapFree(GetProcessHeap(), 0, SysHandleInfoData);
 194
 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);
 199     }
 200
 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);
 207
 208         /*  CurrentCpuIdle = IdleTime / SystemTime */
 209         dbIdleTime = dbIdleTime / dbSystemTime;
 210         dbKernelTime = dbKernelTime / dbSystemTime;
 211
 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; */
 215     }
 216
 217     /* Store new CPU's idle and system time */
 218     liOldIdleTime = SysPerfInfo.liIdleTime;
 219     liOldSystemTime = SysTimeInfo.liKeSystemTime;
 220     OldKernelTime = CurrentKernelTime;
 221
 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)
 225      */
 226     ProcessCountOld = ProcessCount;
 227     ProcessCount = 0;
 228     pSPI = (PSYSTEM_PROCESS_INFORMATION)pBuffer;
 229     while (pSPI) {
 230         ProcessCount++;
 231         if (pSPI->RelativeOffset == 0)
 232             break;
 233         pSPI = (PSYSTEM_PROCESS_INFORMATION)((LPBYTE)pSPI + pSPI->RelativeOffset);
 234     }
 235
 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 */
 244         pPDOld = NULL;
 245         for (Idx2=0; Idx2<ProcessCountOld; Idx2++) {
 246             if (pPerfDataOld[Idx2].ProcessId == pSPI->ProcessId) {
 247                 pPDOld = &pPerfDataOld[Idx2];
 248                 break;
 249             }
 250         }
 251
 252         /* Clear out process perf data structure */
 253         memset(&pPerfData[Idx], 0, sizeof(PERFDATA));
 254
 255         if (pSPI->Name.Buffer)
 256             lstrcpyW(pPerfData[Idx].ImageName, pSPI->Name.Buffer);
 257         else
 258         {
 259             WCHAR idleW[255];
 260             LoadStringW(hInst, IDS_SYSTEM_IDLE_PROCESS, idleW, sizeof(idleW)/sizeof(WCHAR));
 261             lstrcpyW(pPerfData[Idx].ImageName, idleW );
 262         }
 263
 264         pPerfData[Idx].ProcessId = pSPI->ProcessId;
 265
 266         if (pPDOld)    {
 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;
 272         }
 273         pPerfData[Idx].CPUTime.QuadPart = pSPI->UserTime.QuadPart + pSPI->KernelTime.QuadPart;
 274         pPerfData[Idx].WorkingSetSizeBytes = pSPI->TotalWorkingSetSizeBytes;
 275         pPerfData[Idx].PeakWorkingSetSizeBytes = pSPI->PeakWorkingSetSizeBytes;
 276         if (pPDOld)
 277             pPerfData[Idx].WorkingSetSizeDelta = labs((LONG)pSPI->TotalWorkingSetSizeBytes - (LONG)pPDOld->WorkingSetSizeBytes);
 278         else
 279             pPerfData[Idx].WorkingSetSizeDelta = 0;
 280         pPerfData[Idx].PageFaultCount = pSPI->PageFaultCount;
 281         if (pPDOld)
 282             pPerfData[Idx].PageFaultCountDelta = labs((LONG)pSPI->PageFaultCount - (LONG)pPDOld->PageFaultCount);
 283         else
 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;
 292
 293         hProcess = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, pSPI->ProcessId);
 294         if (hProcess) {
 295             if (OpenProcessToken(hProcess, TOKEN_QUERY|TOKEN_DUPLICATE|TOKEN_IMPERSONATE, &hProcessToken)) {
 296                 ImpersonateLoggedOnUser(hProcessToken);
 297                 memset(wszTemp, 0, sizeof(wszTemp));
 298                 dwSize = MAX_PATH;
 299                 GetUserNameW(wszTemp, &dwSize);
 300                 RevertToSelf();
 301                 CloseHandle(hProcessToken);
 302             }
 303             if (pGetGuiResources) {
 304                 pPerfData[Idx].USERObjectCount = pGetGuiResources(hProcess, GR_USEROBJECTS);
 305                 pPerfData[Idx].GDIObjectCount = pGetGuiResources(hProcess, GR_GDIOBJECTS);
 306             }
 307             if (pGetProcessIoCounters)
 308                 pGetProcessIoCounters(hProcess, &pPerfData[Idx].IOCounters);
 309             CloseHandle(hProcess);
 310         }
 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);
 314     }
 315     HeapFree(GetProcessHeap(), 0, pBuffer);
 316     LeaveCriticalSection(&PerfDataCriticalSection);
 317 }
 318
 319 ULONG PerfDataGetProcessCount(void)
 320 {
 321     return ProcessCount;
 322 }
 323
 324 ULONG PerfDataGetProcessorUsage(void)
 325 {
 326     if( dbIdleTime < 0.0 )
 327         return 0;
 328     if( dbIdleTime > 100.0 )
 329         return 100;
 330     return (ULONG)dbIdleTime;
 331 }
 332
 333 ULONG PerfDataGetProcessorSystemUsage(void)
 334 {
 335     if( dbKernelTime < 0.0 )
 336         return 0;
 337     if( dbKernelTime > 100.0 )
 338         return 100;
 339     return (ULONG)dbKernelTime;
 340 }
 341
 342 BOOL PerfDataGetImageName(ULONG Index, LPWSTR lpImageName, int nMaxCount)
 343 {
 344     BOOL    bSuccessful;
 345
 346     EnterCriticalSection(&PerfDataCriticalSection);
 347
 348     if (Index < ProcessCount) {
 349         wcsncpy(lpImageName, pPerfData[Index].ImageName, nMaxCount);
 350         bSuccessful = TRUE;
 351     } else {
 352         bSuccessful = FALSE;
 353     }
 354     LeaveCriticalSection(&PerfDataCriticalSection);
 355     return bSuccessful;
 356 }
 357
 358 ULONG PerfDataGetProcessId(ULONG Index)
 359 {
 360     ULONG    ProcessId;
 361
 362     EnterCriticalSection(&PerfDataCriticalSection);
 363
 364     if (Index < ProcessCount)
 365         ProcessId = pPerfData[Index].ProcessId;
 366     else
 367         ProcessId = 0;
 368
 369     LeaveCriticalSection(&PerfDataCriticalSection);
 370
 371     return ProcessId;
 372 }
 373
 374 BOOL PerfDataGetUserName(ULONG Index, LPWSTR lpUserName, int nMaxCount)
 375 {
 376     BOOL    bSuccessful;
 377
 378     EnterCriticalSection(&PerfDataCriticalSection);
 379
 380     if (Index < ProcessCount) {
 381         wcsncpy(lpUserName, pPerfData[Index].UserName, nMaxCount);
 382         bSuccessful = TRUE;
 383     } else {
 384         bSuccessful = FALSE;
 385     }
 386
 387     LeaveCriticalSection(&PerfDataCriticalSection);
 388
 389     return bSuccessful;
 390 }
 391
 392 ULONG PerfDataGetSessionId(ULONG Index)
 393 {
 394     ULONG    SessionId;
 395
 396     EnterCriticalSection(&PerfDataCriticalSection);
 397
 398     if (Index < ProcessCount)
 399         SessionId = pPerfData[Index].SessionId;
 400     else
 401         SessionId = 0;
 402
 403     LeaveCriticalSection(&PerfDataCriticalSection);
 404
 405     return SessionId;
 406 }
 407
 408 ULONG PerfDataGetCPUUsage(ULONG Index)
 409 {
 410     ULONG    CpuUsage;
 411
 412     EnterCriticalSection(&PerfDataCriticalSection);
 413
 414     if (Index < ProcessCount)
 415         CpuUsage = pPerfData[Index].CPUUsage;
 416     else
 417         CpuUsage = 0;
 418
 419     LeaveCriticalSection(&PerfDataCriticalSection);
 420
 421     return CpuUsage;
 422 }
 423
 424 TIME PerfDataGetCPUTime(ULONG Index)
 425 {
 426     TIME    CpuTime = {{0,0}};
 427
 428     EnterCriticalSection(&PerfDataCriticalSection);
 429
 430     if (Index < ProcessCount)
 431         CpuTime = pPerfData[Index].CPUTime;
 432
 433     LeaveCriticalSection(&PerfDataCriticalSection);
 434
 435     return CpuTime;
 436 }
 437
 438 ULONG PerfDataGetWorkingSetSizeBytes(ULONG Index)
 439 {
 440     ULONG    WorkingSetSizeBytes;
 441
 442     EnterCriticalSection(&PerfDataCriticalSection);
 443
 444     if (Index < ProcessCount)
 445         WorkingSetSizeBytes = pPerfData[Index].WorkingSetSizeBytes;
 446     else
 447         WorkingSetSizeBytes = 0;
 448
 449     LeaveCriticalSection(&PerfDataCriticalSection);
 450
 451     return WorkingSetSizeBytes;
 452 }
 453
 454 ULONG PerfDataGetPeakWorkingSetSizeBytes(ULONG Index)
 455 {
 456     ULONG    PeakWorkingSetSizeBytes;
 457
 458     EnterCriticalSection(&PerfDataCriticalSection);
 459
 460     if (Index < ProcessCount)
 461         PeakWorkingSetSizeBytes = pPerfData[Index].PeakWorkingSetSizeBytes;
 462     else
 463         PeakWorkingSetSizeBytes = 0;
 464
 465     LeaveCriticalSection(&PerfDataCriticalSection);
 466
 467     return PeakWorkingSetSizeBytes;
 468 }
 469
 470 ULONG PerfDataGetWorkingSetSizeDelta(ULONG Index)
 471 {
 472     ULONG    WorkingSetSizeDelta;
 473
 474     EnterCriticalSection(&PerfDataCriticalSection);
 475
 476     if (Index < ProcessCount)
 477         WorkingSetSizeDelta = pPerfData[Index].WorkingSetSizeDelta;
 478     else
 479         WorkingSetSizeDelta = 0;
 480
 481     LeaveCriticalSection(&PerfDataCriticalSection);
 482
 483     return WorkingSetSizeDelta;
 484 }
 485
 486 ULONG PerfDataGetPageFaultCount(ULONG Index)
 487 {
 488     ULONG    PageFaultCount;
 489
 490     EnterCriticalSection(&PerfDataCriticalSection);
 491
 492     if (Index < ProcessCount)
 493         PageFaultCount = pPerfData[Index].PageFaultCount;
 494     else
 495         PageFaultCount = 0;
 496
 497     LeaveCriticalSection(&PerfDataCriticalSection);
 498
 499     return PageFaultCount;
 500 }
 501
 502 ULONG PerfDataGetPageFaultCountDelta(ULONG Index)
 503 {
 504     ULONG    PageFaultCountDelta;
 505
 506     EnterCriticalSection(&PerfDataCriticalSection);
 507
 508     if (Index < ProcessCount)
 509         PageFaultCountDelta = pPerfData[Index].PageFaultCountDelta;
 510     else
 511         PageFaultCountDelta = 0;
 512
 513     LeaveCriticalSection(&PerfDataCriticalSection);
 514
 515     return PageFaultCountDelta;
 516 }
 517
 518 ULONG PerfDataGetVirtualMemorySizeBytes(ULONG Index)
 519 {
 520     ULONG    VirtualMemorySizeBytes;
 521
 522     EnterCriticalSection(&PerfDataCriticalSection);
 523
 524     if (Index < ProcessCount)
 525         VirtualMemorySizeBytes = pPerfData[Index].VirtualMemorySizeBytes;
 526     else
 527         VirtualMemorySizeBytes = 0;
 528
 529     LeaveCriticalSection(&PerfDataCriticalSection);
 530
 531     return VirtualMemorySizeBytes;
 532 }
 533
 534 ULONG PerfDataGetPagedPoolUsagePages(ULONG Index)
 535 {
 536     ULONG    PagedPoolUsagePages;
 537
 538     EnterCriticalSection(&PerfDataCriticalSection);
 539
 540     if (Index < ProcessCount)
 541         PagedPoolUsagePages = pPerfData[Index].PagedPoolUsagePages;
 542     else
 543         PagedPoolUsagePages = 0;
 544
 545     LeaveCriticalSection(&PerfDataCriticalSection);
 546
 547     return PagedPoolUsagePages;
 548 }
 549
 550 ULONG PerfDataGetNonPagedPoolUsagePages(ULONG Index)
 551 {
 552     ULONG    NonPagedPoolUsagePages;
 553
 554     EnterCriticalSection(&PerfDataCriticalSection);
 555
 556     if (Index < ProcessCount)
 557         NonPagedPoolUsagePages = pPerfData[Index].NonPagedPoolUsagePages;
 558     else
 559         NonPagedPoolUsagePages = 0;
 560
 561     LeaveCriticalSection(&PerfDataCriticalSection);
 562
 563     return NonPagedPoolUsagePages;
 564 }
 565
 566 ULONG PerfDataGetBasePriority(ULONG Index)
 567 {
 568     ULONG    BasePriority;
 569
 570     EnterCriticalSection(&PerfDataCriticalSection);
 571
 572     if (Index < ProcessCount)
 573         BasePriority = pPerfData[Index].BasePriority;
 574     else
 575         BasePriority = 0;
 576
 577     LeaveCriticalSection(&PerfDataCriticalSection);
 578
 579     return BasePriority;
 580 }
 581
 582 ULONG PerfDataGetHandleCount(ULONG Index)
 583 {
 584     ULONG    HandleCount;
 585
 586     EnterCriticalSection(&PerfDataCriticalSection);
 587
 588     if (Index < ProcessCount)
 589         HandleCount = pPerfData[Index].HandleCount;
 590     else
 591         HandleCount = 0;
 592
 593     LeaveCriticalSection(&PerfDataCriticalSection);
 594
 595     return HandleCount;
 596 }
 597
 598 ULONG PerfDataGetThreadCount(ULONG Index)
 599 {
 600     ULONG    ThreadCount;
 601
 602     EnterCriticalSection(&PerfDataCriticalSection);
 603
 604     if (Index < ProcessCount)
 605         ThreadCount = pPerfData[Index].ThreadCount;
 606     else
 607         ThreadCount = 0;
 608
 609     LeaveCriticalSection(&PerfDataCriticalSection);
 610
 611     return ThreadCount;
 612 }
 613
 614 ULONG PerfDataGetUSERObjectCount(ULONG Index)
 615 {
 616     ULONG    USERObjectCount;
 617
 618     EnterCriticalSection(&PerfDataCriticalSection);
 619
 620     if (Index < ProcessCount)
 621         USERObjectCount = pPerfData[Index].USERObjectCount;
 622     else
 623         USERObjectCount = 0;
 624
 625     LeaveCriticalSection(&PerfDataCriticalSection);
 626
 627     return USERObjectCount;
 628 }
 629
 630 ULONG PerfDataGetGDIObjectCount(ULONG Index)
 631 {
 632     ULONG    GDIObjectCount;
 633
 634     EnterCriticalSection(&PerfDataCriticalSection);
 635
 636     if (Index < ProcessCount)
 637         GDIObjectCount = pPerfData[Index].GDIObjectCount;
 638     else
 639         GDIObjectCount = 0;
 640
 641     LeaveCriticalSection(&PerfDataCriticalSection);
 642
 643     return GDIObjectCount;
 644 }
 645
 646 BOOL PerfDataGetIOCounters(ULONG Index, PIO_COUNTERS pIoCounters)
 647 {
 648     BOOL    bSuccessful;
 649
 650     EnterCriticalSection(&PerfDataCriticalSection);
 651
 652     if (Index < ProcessCount)
 653     {
 654         memcpy(pIoCounters, &pPerfData[Index].IOCounters, sizeof(IO_COUNTERS));
 655         bSuccessful = TRUE;
 656     }
 657     else
 658         bSuccessful = FALSE;
 659
 660     LeaveCriticalSection(&PerfDataCriticalSection);
 661
 662     return bSuccessful;
 663 }
 664
 665 ULONG PerfDataGetCommitChargeTotalK(void)
 666 {
 667     ULONG    Total;
 668     ULONG    PageSize;
 669
 670     EnterCriticalSection(&PerfDataCriticalSection);
 671
 672     Total = SystemPerfInfo.MmTotalCommittedPages;
 673     PageSize = SystemBasicInfo.uPageSize;
 674
 675     LeaveCriticalSection(&PerfDataCriticalSection);
 676
 677     Total = Total * (PageSize / 1024);
 678
 679     return Total;
 680 }
 681
 682 ULONG PerfDataGetCommitChargeLimitK(void)
 683 {
 684     ULONG    Limit;
 685     ULONG    PageSize;
 686
 687     EnterCriticalSection(&PerfDataCriticalSection);
 688
 689     Limit = SystemPerfInfo.MmTotalCommitLimit;
 690     PageSize = SystemBasicInfo.uPageSize;
 691
 692     LeaveCriticalSection(&PerfDataCriticalSection);
 693
 694     Limit = Limit * (PageSize / 1024);
 695
 696     return Limit;
 697 }
 698
 699 ULONG PerfDataGetCommitChargePeakK(void)
 700 {
 701     ULONG    Peak;
 702     ULONG    PageSize;
 703
 704     EnterCriticalSection(&PerfDataCriticalSection);
 705
 706     Peak = SystemPerfInfo.MmPeakLimit;
 707     PageSize = SystemBasicInfo.uPageSize;
 708
 709     LeaveCriticalSection(&PerfDataCriticalSection);
 710
 711     Peak = Peak * (PageSize / 1024);
 712
 713     return Peak;
 714 }
 715
 716 ULONG PerfDataGetKernelMemoryTotalK(void)
 717 {
 718     ULONG    Total;
 719     ULONG    Paged;
 720     ULONG    NonPaged;
 721     ULONG    PageSize;
 722
 723     EnterCriticalSection(&PerfDataCriticalSection);
 724
 725     Paged = SystemPerfInfo.PoolPagedBytes;
 726     NonPaged = SystemPerfInfo.PoolNonPagedBytes;
 727     PageSize = SystemBasicInfo.uPageSize;
 728
 729     LeaveCriticalSection(&PerfDataCriticalSection);
 730
 731     Paged = Paged * (PageSize / 1024);
 732     NonPaged = NonPaged * (PageSize / 1024);
 733
 734     Total = Paged + NonPaged;
 735
 736     return Total;
 737 }
 738
 739 ULONG PerfDataGetKernelMemoryPagedK(void)
 740 {
 741     ULONG    Paged;
 742     ULONG    PageSize;
 743
 744     EnterCriticalSection(&PerfDataCriticalSection);
 745
 746     Paged = SystemPerfInfo.PoolPagedBytes;
 747     PageSize = SystemBasicInfo.uPageSize;
 748
 749     LeaveCriticalSection(&PerfDataCriticalSection);
 750
 751     Paged = Paged * (PageSize / 1024);
 752
 753     return Paged;
 754 }
 755
 756 ULONG PerfDataGetKernelMemoryNonPagedK(void)
 757 {
 758     ULONG    NonPaged;
 759     ULONG    PageSize;
 760
 761     EnterCriticalSection(&PerfDataCriticalSection);
 762
 763     NonPaged = SystemPerfInfo.PoolNonPagedBytes;
 764     PageSize = SystemBasicInfo.uPageSize;
 765
 766     LeaveCriticalSection(&PerfDataCriticalSection);
 767
 768     NonPaged = NonPaged * (PageSize / 1024);
 769
 770     return NonPaged;
 771 }
 772
 773 ULONG PerfDataGetPhysicalMemoryTotalK(void)
 774 {
 775     ULONG    Total;
 776     ULONG    PageSize;
 777
 778     EnterCriticalSection(&PerfDataCriticalSection);
 779
 780     Total = SystemBasicInfo.uMmNumberOfPhysicalPages;
 781     PageSize = SystemBasicInfo.uPageSize;
 782
 783     LeaveCriticalSection(&PerfDataCriticalSection);
 784
 785     Total = Total * (PageSize / 1024);
 786
 787     return Total;
 788 }
 789
 790 ULONG PerfDataGetPhysicalMemoryAvailableK(void)
 791 {
 792     ULONG    Available;
 793     ULONG    PageSize;
 794
 795     EnterCriticalSection(&PerfDataCriticalSection);
 796
 797     Available = SystemPerfInfo.MmAvailablePages;
 798     PageSize = SystemBasicInfo.uPageSize;
 799
 800     LeaveCriticalSection(&PerfDataCriticalSection);
 801
 802     Available = Available * (PageSize / 1024);
 803
 804     return Available;
 805 }
 806
 807 ULONG PerfDataGetPhysicalMemorySystemCacheK(void)
 808 {
 809     ULONG    SystemCache;
 810
 811     EnterCriticalSection(&PerfDataCriticalSection);
 812
 813     SystemCache = SystemCacheInfo.CurrentSize;
 814
 815     LeaveCriticalSection(&PerfDataCriticalSection);
 816
 817     SystemCache = SystemCache / 1024;
 818
 819     return SystemCache;
 820 }
 821
 822 ULONG PerfDataGetSystemHandleCount(void)
 823 {
 824     ULONG    HandleCount;
 825
 826     EnterCriticalSection(&PerfDataCriticalSection);
 827
 828     HandleCount = SystemHandleInfo.Count;
 829
 830     LeaveCriticalSection(&PerfDataCriticalSection);
 831
 832     return HandleCount;
 833 }
 834
 835 ULONG PerfDataGetTotalThreadCount(void)
 836 {
 837     ULONG    ThreadCount = 0;
 838     ULONG    i;
 839
 840     EnterCriticalSection(&PerfDataCriticalSection);
 841
 842     for (i=0; i<ProcessCount; i++)
 843     {
 844         ThreadCount += pPerfData[i].ThreadCount;
 845     }
 846
 847     LeaveCriticalSection(&PerfDataCriticalSection);
 848
 849     return ThreadCount;
 850 }