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windows-xp/Source/XPSP1/NT/shell/applets/taskmgr/perfpage.cpp

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//+-------------------------------------------------------------------------
//
// TaskMan - NT TaskManager
// Copyright (C) Microsoft
//
// File: perfpage.cpp
//
// History: Nov-10-95 DavePl Created
//
//--------------------------------------------------------------------------
#include "precomp.h"
#define GRAPH_BRUSH BLACK_BRUSH
#define GRAPH_LINE_COLOR RGB(0, 128, 64)
#define GRAPH_TEXT_COLOR RGB(0, 255, 0)
#define STRIP_HEIGHT 75
#define STRIP_WIDTH 33
LARGE_INTEGER PreviousCPUIdleTime[MAX_PROCESSOR] = {0 ,0};
LARGE_INTEGER PreviousCPUTotalTime[MAX_PROCESSOR] = {0 ,0};
LARGE_INTEGER PreviousCPUKernelTime[MAX_PROCESSOR] = {0 ,0};
LPBYTE g_pCPUHistory[MAX_PROCESSOR] = { NULL };
LPBYTE g_pKernelHistory[MAX_PROCESSOR] = { NULL };
LPBYTE g_pMEMHistory = NULL;
BYTE g_CPUUsage = 0;
BYTE g_KernelUsage = 0;
__int64 g_MEMUsage = 0;
__int64 g_MEMMax = 0;
DWORD g_PageSize;
/*++ CPerfPage::SizePerfPage
Routine Description:
Sizes its children based on the size of the
tab control on which it appears.
Arguments:
Return Value:
Revision History:
Nov-12-95 Davepl Created
--*/
static const INT aPerfControls[] =
{
IDC_STATIC1,
IDC_STATIC2,
IDC_STATIC3,
IDC_STATIC4,
IDC_STATIC5,
IDC_STATIC6,
IDC_STATIC8,
IDC_STATIC9,
IDC_STATIC10,
IDC_STATIC11,
IDC_STATIC12,
IDC_STATIC13,
IDC_STATIC14,
IDC_STATIC15,
IDC_STATIC16,
IDC_STATIC17,
IDC_TOTAL_PHYSICAL,
IDC_AVAIL_PHYSICAL,
IDC_FILE_CACHE,
IDC_COMMIT_TOTAL,
IDC_COMMIT_LIMIT,
IDC_COMMIT_PEAK,
IDC_KERNEL_TOTAL,
IDC_KERNEL_PAGED,
IDC_KERNEL_NONPAGED,
IDC_TOTAL_HANDLES,
IDC_TOTAL_THREADS,
IDC_TOTAL_PROCESSES,
};
// Amount of spacing down from the top of a group box to the
// control it contains
void CPerfPage::SizePerfPage()
{
// Get the coords of the tab control
RECT rcParent;
if (g_Options.m_fNoTitle)
{
GetClientRect(g_hMainWnd, &rcParent);
}
else
{
GetClientRect(m_hwndTabs, &rcParent);
MapWindowPoints(m_hwndTabs, m_hPage, (LPPOINT) &rcParent, 2);
TabCtrl_AdjustRect(m_hwndTabs, FALSE, &rcParent);
}
HDWP hdwp = BeginDeferWindowPos(10);
if (!hdwp)
return;
// Calc the deltas in the x and y positions that we need to
// move each of the child controls
RECT rcMaster;
HWND hwndMaster = GetDlgItem(m_hPage, IDC_STATIC5);
GetWindowRect(hwndMaster, &rcMaster);
MapWindowPoints(HWND_DESKTOP, m_hPage, (LPPOINT) &rcMaster, 2);
INT dy = ((rcParent.bottom - g_DefSpacing * 2) - rcMaster.bottom);
// Move each of the child controls by the above delta
for (int i = 0; i < ARRAYSIZE(aPerfControls); i++)
{
HWND hwndCtrl = GetDlgItem(m_hPage, aPerfControls[i]);
RECT rcCtrl;
GetWindowRect(hwndCtrl, &rcCtrl);
MapWindowPoints(HWND_DESKTOP, m_hPage, (LPPOINT) &rcCtrl, 2);
DeferWindowPos(hdwp, hwndCtrl, NULL,
rcCtrl.left,
rcCtrl.top + dy,
0, 0,
SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE);
}
HWND hwndTopFrame = GetDlgItem(m_hPage, IDC_STATIC13);
RECT rcTopFrame;
GetWindowRect(hwndTopFrame, &rcTopFrame);
MapWindowPoints(HWND_DESKTOP, m_hPage, (LPPOINT) &rcTopFrame, 2);
INT yTop = rcTopFrame.top + dy;
INT yHist;
if (g_Options.m_fNoTitle)
{
yHist = rcParent.bottom - rcParent.top - g_DefSpacing * 2;
}
else
{
yHist = (yTop - g_DefSpacing * 3) / 2;
}
// Size the CPU history frame
RECT rcFrame;
HWND hwndFrame = GetDlgItem(m_hPage, IDC_CPUFRAME);
GetWindowRect(hwndFrame, &rcFrame);
MapWindowPoints(NULL, m_hPage, (LPPOINT) &rcFrame, 2);
DeferWindowPos(hdwp, hwndFrame, NULL, 0, 0,
(rcParent.right - rcFrame.left) - g_DefSpacing * 2,
yHist,
SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE);
// Size the CPU bar graph frame
RECT rcCPUFrame;
HWND hwndCPUFrame = GetDlgItem(m_hPage, IDC_STATIC);
GetWindowRect(hwndCPUFrame, &rcCPUFrame);
MapWindowPoints(NULL, m_hPage, (LPPOINT) &rcCPUFrame, 2);
DeferWindowPos(hdwp, hwndCPUFrame, NULL, 0, 0,
(rcCPUFrame.right - rcCPUFrame.left),
yHist,
SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE);
RECT rcCPUBAR;
HWND hwndCPUBAR = GetDlgItem(m_hPage, IDC_CPUMETER);
GetWindowRect(hwndCPUBAR, &rcCPUBAR);
MapWindowPoints(NULL, m_hPage, (LPPOINT) &rcCPUBAR, 2);
DeferWindowPos(hdwp, hwndCPUBAR, NULL, rcCPUFrame.left + g_InnerSpacing * 2, rcCPUFrame.top + g_TopSpacing,
(rcCPUBAR.right - rcCPUBAR.left),
yHist - g_TopSpacing - g_InnerSpacing * 2 ,
SWP_NOZORDER | SWP_NOACTIVATE);
// Size the mem bar graph frame
RECT rcMEMFrame;
HWND hwndMEMFrame = GetDlgItem(m_hPage, IDC_MEMBARFRAME);
GetWindowRect(hwndMEMFrame, &rcMEMFrame);
MapWindowPoints(NULL, m_hPage, (LPPOINT) &rcMEMFrame, 2);
DeferWindowPos(hdwp, hwndMEMFrame, NULL, rcMEMFrame.left, yHist + g_DefSpacing * 2,
(rcMEMFrame.right - rcMEMFrame.left),
yHist,
SWP_NOZORDER | SWP_NOACTIVATE);
RECT rcMEMBAR;
HWND hwndMEMBAR = GetDlgItem(m_hPage, IDC_MEMMETER);
GetWindowRect(hwndMEMBAR, &rcMEMBAR);
MapWindowPoints(NULL, m_hPage, (LPPOINT) &rcMEMBAR, 2);
DeferWindowPos(hdwp, hwndMEMBAR, NULL, rcMEMBAR.left, yHist + g_DefSpacing * 2 + g_TopSpacing,
(rcMEMBAR.right - rcMEMBAR.left),
yHist - g_InnerSpacing * 2 - g_TopSpacing,
SWP_NOZORDER | SWP_NOACTIVATE);
// Size the Memory history frame
RECT rcMemFrame;
HWND hwndMemFrame = GetDlgItem(m_hPage, IDC_MEMFRAME);
GetWindowRect(hwndMemFrame, &rcMemFrame);
MapWindowPoints(NULL, m_hPage, (LPPOINT) &rcMemFrame, 2);
DeferWindowPos(hdwp, hwndMemFrame, NULL, rcMemFrame.left, yHist + g_DefSpacing * 2,
(rcParent.right - rcMemFrame.left) - g_DefSpacing * 2,
yHist,
SWP_NOZORDER | SWP_NOACTIVATE);
// We have N panes, where N is 1 or g_cProcessors depending on what mode the
// cpu meter is currently in
INT cPanes = (CM_PANES == g_Options.m_cmHistMode) ? g_cProcessors : 1;
// Total amount of room available for all of the panes
INT Width = (rcParent.right - rcParent.left) - (rcFrame.left - rcParent.left) - g_DefSpacing * 2
- g_InnerSpacing * 3;
// Use this width to size the memory graph
HWND hwndButton = GetDlgItem(m_hPage, IDC_MEMGRAPH);
RECT rcButton;
GetWindowRect(hwndButton, &rcButton);
MapWindowPoints(NULL, m_hPage, (LPPOINT) &rcButton, 2);
DeferWindowPos(hdwp, hwndButton, NULL, rcFrame.left + g_InnerSpacing * 2,
yHist + g_DefSpacing * 2 + g_TopSpacing,
Width - g_InnerSpacing,
yHist - g_InnerSpacing * 2 - g_TopSpacing,
SWP_NOZORDER | SWP_NOACTIVATE);
// Total amount of room available for each CPU pane
Width -= cPanes * g_InnerSpacing;
Width /= cPanes;
Width = Width >= 0 ? Width : 0;
for (i = 0; i < cPanes; i++)
{
HWND hwndButton = GetDlgItem(m_hPage, IDC_CPUGRAPH + i);
INT left = rcFrame.left + g_InnerSpacing * (i + 2) + Width * i;
DeferWindowPos(hdwp,
hwndButton,
NULL,
left, rcFrame.top + g_TopSpacing,
Width,
yHist - g_InnerSpacing * 2 -g_TopSpacing,
0 );
}
// Create new bitmaps to be used in the history windows
EndDeferWindowPos(hdwp);
GetClientRect(hwndButton, &rcButton);
FreeMemoryBitmaps(); // Free any old ones
CreateMemoryBitmaps(rcButton.right - rcButton.left, rcButton.bottom - rcButton.top);
}
/*++ CPerfPage::CreatePens
Routine Description:
Creates 8 different colors pens, saves them in
the pen array
Arguments:
Return Value:
Revision History:
Nov-12-95 Davepl Created
--*/
static const COLORREF aColors[] =
{
RGB(000, 255, 000),
RGB(255, 000, 000),
RGB(255, 000, 255),
RGB(000, 000, 255),
RGB(000, 255, 255),
RGB(255, 128, 000),
RGB(255, 000, 255),
RGB(000, 128, 255),
// End of CPU pens
#define MEM_PEN 8
RGB(255, 255, 0),
};
void CPerfPage::CreatePens()
{
for (int i = 0; i < ARRAYSIZE(aColors); i++)
{
// Create then pen. If a failure occurs, just substitute
// the white pen
m_hPens[i] = CreatePen(PS_SOLID, 1, aColors[i]);
if (NULL == m_hPens[i])
{
m_hPens[i] = (HPEN) GetStockObject(WHITE_PEN);
}
}
}
void CPerfPage::ReleasePens()
{
for (int i = 0; i < NUM_PENS; i++)
{
if (m_hPens[i])
{
DeleteObject(m_hPens[i]);
}
}
}
/*++ CPerfPage::DrawGraphPaper
Routine Description:
Draws a graph-paper-like grid into a memory bitmap
Arguments:
hdcGraph - HDC to draw into
prcGraph - RECT describing area to draw
Width - Amount, on right side, to actually draw
Revision History:
Jan-17-95 Davepl Created
--*/
static int g_Scrollamount = 0;
void DrawGraphPaper(HDC hdcGraph, RECT * prcGraph, int Width)
{
#define GRAPHPAPERSIZE 12
int Leftside = prcGraph->right - Width;
// Only one of the many graphs needs to ask us to scroll
HPEN hPen = CreatePen(PS_SOLID, 1, GRAPH_LINE_COLOR);
HGDIOBJ hOld = SelectObject(hdcGraph, hPen);
for (int i = GRAPHPAPERSIZE - 1; i < prcGraph->bottom - prcGraph->top; i+= GRAPHPAPERSIZE)
{
MoveToEx(hdcGraph,
Leftside,
i + prcGraph->top,
(LPPOINT) NULL);
LineTo(hdcGraph,
prcGraph->right,
i + prcGraph->top);
}
for (i = prcGraph->right - g_Scrollamount; i > Leftside; i -= GRAPHPAPERSIZE)
{
MoveToEx(hdcGraph,
i,
prcGraph->top,
(LPPOINT) NULL);
LineTo(hdcGraph,
i,
prcGraph->bottom);
}
if (hOld)
{
SelectObject(hdcGraph, hOld);
}
DeleteObject(hPen);
}
/*++ CPerfPage::TextToLegend
Routine Description:
Given the DC, an X, a Y, and a string, writes that string out
to the legend and returns the new X.
Return Value:
New X pos in the legend
Revision History:
Jan-18-95 Davepl Created
--*/
int CPerfPage::TextToLegend(HDC hDC, int xPos, int yPos, LPCTSTR szCPUName)
{
int cchText = lstrlen(szCPUName);
TextOut(hDC, xPos, yPos, szCPUName, cchText);
SIZE size;
GetTextExtentPoint32(hDC, szCPUName, cchText, &size);
return xPos + size.cx;
}
/*++ CPerfPage::DrawCPUGraph
Routine Description:
Draws the CPU graph (which is an ownerdraw control)
Arguments:
lpdi - LPDRAWITEMSTRUCT describing area we need to paint
iPane - Pane number to be drawn (ie: which CPU)
Return Value:
Revision History:
Nov-12-95 Davepl Created
--*/
void CPerfPage::DrawCPUGraph(LPDRAWITEMSTRUCT lpdi, UINT iPane)
{
#define THISCPU 0
if (NULL == m_hdcGraph)
{
return;
}
FillRect(m_hdcGraph, &m_rcGraph, (HBRUSH) GetStockObject(GRAPH_BRUSH));
int Width = lpdi->rcItem.right - lpdi->rcItem.left;
int Scale = (Width - 1) / HIST_SIZE;
if (0 == Scale)
{
Scale = 2;
}
// Draw the CPU history graph
DrawGraphPaper(m_hdcGraph, &m_rcGraph, Width);
int GraphHeight = m_rcGraph.bottom - m_rcGraph.top - 1;
// int GraphWidth = m_rcGraph.right - m_rcGraph.left + 1;
if (g_Options.m_cmHistMode == CM_PANES)
{
// Draw the kernel times
if (g_Options.m_fKernelTimes)
{
HGDIOBJ hOld = SelectObject(m_hdcGraph, m_hPens[1]);
MoveToEx(m_hdcGraph,
m_rcGraph.right,
m_rcGraph.bottom - (g_pKernelHistory[iPane][0] * GraphHeight) / 100,
(LPPOINT) NULL);
for (int i = 0; i < HIST_SIZE && i * Scale < Width; i++)
{
LineTo(m_hdcGraph,
m_rcGraph.right - Scale * i,
m_rcGraph.bottom - (g_pKernelHistory[iPane][i] * GraphHeight) / 100);
}
if (hOld)
SelectObject(m_hdcGraph, hOld);
}
// Draw a particular CPU in its pane
HGDIOBJ hOld = SelectObject(m_hdcGraph, m_hPens[0]);
MoveToEx(m_hdcGraph,
m_rcGraph.right,
m_rcGraph.bottom - (g_pCPUHistory[iPane][0] * GraphHeight) / 100,
(LPPOINT) NULL);
for (int i = 0; i < HIST_SIZE && i * Scale < Width; i++)
{
LineTo(m_hdcGraph,
m_rcGraph.right - Scale * i,
m_rcGraph.bottom - (g_pCPUHistory[iPane][i] * GraphHeight) / 100);
}
if (hOld)
SelectObject(m_hdcGraph, hOld);
}
else
{
ASSERT(iPane == 0);
// Draw the kernel times
if (g_Options.m_fKernelTimes)
{
HGDIOBJ hOld = SelectObject(m_hdcGraph, m_hPens[1]);
DWORD dwSum = 0;
for (int iCPU = 0; iCPU < g_cProcessors; iCPU++)
{
dwSum += g_pKernelHistory[iCPU][0];
}
dwSum /= g_cProcessors;
MoveToEx(m_hdcGraph,
m_rcGraph.right,
m_rcGraph.bottom - (dwSum * GraphHeight) / 100,
(LPPOINT) NULL);
for (int i = 0; i < HIST_SIZE && i * Scale < Width; i++)
{
dwSum = 0;
for (iCPU = 0; iCPU < g_cProcessors; iCPU++)
{
dwSum += g_pKernelHistory[iCPU][i];
}
dwSum /= g_cProcessors;
LineTo(m_hdcGraph,
m_rcGraph.right - Scale * i,
m_rcGraph.bottom - (dwSum * GraphHeight) / 100);
}
if (hOld)
SelectObject(m_hdcGraph, hOld);
}
// Draw History as a sum of all CPUs
HGDIOBJ hOld = SelectObject(m_hdcGraph, m_hPens[0]);
DWORD dwSum = 0;
for (int iCPU = 0; iCPU < g_cProcessors; iCPU++)
{
dwSum += g_pCPUHistory[iCPU][0];
}
dwSum /= g_cProcessors;
MoveToEx(m_hdcGraph,
m_rcGraph.right,
m_rcGraph.bottom - (dwSum * GraphHeight) / 100,
(LPPOINT) NULL);
for (int i = 0; i < HIST_SIZE && i * Scale < Width; i++)
{
dwSum = 0;
for (iCPU = 0; iCPU < g_cProcessors; iCPU++)
{
dwSum += g_pCPUHistory[iCPU][i];
}
dwSum /= g_cProcessors;
LineTo(m_hdcGraph,
m_rcGraph.right - Scale * i,
m_rcGraph.bottom - (dwSum * GraphHeight) / 100);
}
if (hOld)
SelectObject(m_hdcGraph, hOld);
}
// Memory bitmap could be wider than the target control, so find a delta
INT xDiff = (m_rcGraph.right - m_rcGraph.left) - (lpdi->rcItem.right - lpdi->rcItem.left);
BitBlt( lpdi->hDC,
lpdi->rcItem.left,
lpdi->rcItem.top,
lpdi->rcItem.right - lpdi->rcItem.left,
lpdi->rcItem.bottom - lpdi->rcItem.top,
m_hdcGraph,
xDiff,
0,
SRCCOPY);
}
/*++ CPerfPage::DrawMEMGraph
Routine Description:
Draws the Memory history graph (which is an ownerdraw control)
Arguments:
lpdi - LPDRAWITEMSTRUCT describing area we need to paint
Return Value:
Revision History:
Nov-12-95 Davepl Created
--*/
void CPerfPage::DrawMEMGraph(LPDRAWITEMSTRUCT lpdi)
{
#define THISCPU 0
if (NULL == m_hdcGraph)
{
return;
}
FillRect(m_hdcGraph, &m_rcGraph, (HBRUSH) GetStockObject(GRAPH_BRUSH));
int Width = lpdi->rcItem.right - lpdi->rcItem.left;
DrawGraphPaper(m_hdcGraph, &m_rcGraph, Width);
int Scale = (Width - 1) / HIST_SIZE;
if (0 == Scale)
{
Scale = 2;
}
int GraphHeight = m_rcGraph.bottom - m_rcGraph.top - 1;
HGDIOBJ hOld = SelectObject(m_hdcGraph, m_hPens[MEM_PEN]);
MoveToEx(m_hdcGraph,
m_rcGraph.right,
m_rcGraph.bottom - (g_pMEMHistory[0] * GraphHeight) / 100,
(LPPOINT) NULL);
for (int i = 0; i < HIST_SIZE && i * Scale < Width - 1; i++)
{
if (0 == g_pMEMHistory[i])
{
break; // End of Data
}
LineTo(m_hdcGraph,
m_rcGraph.right - Scale * i,
m_rcGraph.bottom - (g_pMEMHistory[i] * GraphHeight) / 100);
}
BitBlt( lpdi->hDC,
lpdi->rcItem.left,
lpdi->rcItem.top,
lpdi->rcItem.right - lpdi->rcItem.left,
lpdi->rcItem.bottom - lpdi->rcItem.top,
m_hdcGraph,
0,
0,
SRCCOPY);
if (hOld)
SelectObject(m_hdcGraph, hOld);
}
/*++ CPerfPage::UpdateGraphs
Routine Description:
Adds and removed CPU panes as required
Arguments:
none
Return Value:
none
Revision History:
Dec-16-96 Davepl Create
***/
// WARNING: CPU pane IDs must be contiguous in resource.h
#define ID_FIRSTPANE IDC_CPUGRAPH
#define ID_LASTPANE IDC_CPUGRAPH32
#define NUMPANES 32
void CPerfPage::UpdateGraphs()
{
// WARNING: CPU pane IDs must be contiguous in resource.h
ASSERT(ID_LASTPANE - ID_FIRSTPANE == (NUMPANES - 1));
// Turn the extra windows on or off as required
for (UINT i = 1; i < g_cProcessors && i < NUMPANES; i++)
{
ShowWindow(GetDlgItem(m_hPage, ID_FIRSTPANE + i),
CM_PANES == g_Options.m_cmHistMode ? SW_SHOW : SW_HIDE);
}
// Hide/show everything but the CPU meters when we're in notitle/title mode
for (i = 0; i < ARRAYSIZE(aPerfControls); i++)
{
ShowWindow(GetDlgItem(m_hPage, aPerfControls[i]), g_Options.m_fNoTitle ? SW_HIDE : SW_SHOW);
}
ShowWindow(GetDlgItem(m_hPage, IDC_MEMGRAPH), g_Options.m_fNoTitle ? SW_HIDE : SW_SHOW);
ShowWindow(GetDlgItem(m_hPage, IDC_MEMFRAME), g_Options.m_fNoTitle ? SW_HIDE : SW_SHOW);
ShowWindow(GetDlgItem(m_hPage, IDC_MEMBARFRAME), g_Options.m_fNoTitle ? SW_HIDE : SW_SHOW);
ShowWindow(GetDlgItem(m_hPage, IDC_MEMMETER), g_Options.m_fNoTitle ? SW_HIDE : SW_SHOW);
SizePerfPage();
}
/*++ CPerfPage::DrawCPUDigits
Routine Description:
Draws the CPU meter and digits
Arguments:
lpdi - LPDRAWITEMSTRUCT describing area we need to paint
Return Value:
Revision History:
Nov-12-95 Davepl Created
--*/
int GetCurFontSize(HDC hdc)
{
int iRet = 0;
LOGFONT lf;
HFONT hf = (HFONT) GetCurrentObject(hdc, OBJ_FONT);
if (hf)
{
if (GetObject(hf, sizeof(LOGFONT), &lf))
{
iRet = lf.lfHeight;
if (iRet < 0) iRet = (-iRet);
}
}
return iRet;
}
void CPerfPage::DrawCPUDigits(LPDRAWITEMSTRUCT lpdi)
{
HBRUSH hBlack = (HBRUSH) GetStockObject(BLACK_BRUSH);
HGDIOBJ hOld = SelectObject(lpdi->hDC, hBlack);
Rectangle(lpdi->hDC, lpdi->rcItem.left, lpdi->rcItem.top, lpdi->rcItem.right, lpdi->rcItem.bottom);
// Draw the digits into the ownder draw control
INT xBarOffset = ((lpdi->rcItem.right - lpdi->rcItem.left) - STRIP_WIDTH) / 2;
RECT rcBar;
GetWindowRect(GetDlgItem(m_hPage, IDC_MEMMETER), &rcBar);
INT cBarHeight = lpdi->rcItem.bottom - lpdi->rcItem.top - (GetCurFontSize(lpdi->hDC) + g_DefSpacing * 3);
if (cBarHeight <= 0)
{
return;
}
INT ctmpBarLitPixels = (g_CPUUsage * cBarHeight) / 100;
INT ctmpBarRedPixels = g_Options.m_fKernelTimes ? ctmpBarRedPixels = (g_KernelUsage * cBarHeight) / 100 : 0;
INT cBarUnLitPixels = cBarHeight - ctmpBarLitPixels;
cBarUnLitPixels = (cBarUnLitPixels / 3) * 3;
INT cBarLitPixels = cBarHeight - cBarUnLitPixels;
INT cBarRedPixels = ctmpBarRedPixels;
SetBkMode(lpdi->hDC, TRANSPARENT);
SetTextColor(lpdi->hDC, GRAPH_TEXT_COLOR);
TCHAR szBuf[8];
wsprintf(szBuf, TEXT("%d %%"), g_CPUUsage);
RECT rcOut = lpdi->rcItem;
rcOut.bottom -= 4;
DrawText(lpdi->hDC, szBuf, -1, &rcOut, DT_SINGLELINE | DT_CENTER | DT_BOTTOM);
HDC hdcMem = CreateCompatibleDC(lpdi->hDC);
if (hdcMem)
{
// Draw the CPU meter
// Draw unlit portion
if (cBarHeight != cBarLitPixels)
{
INT cUnlit = cBarHeight - cBarLitPixels;
INT cOffset = 0;
SelectObject(hdcMem, m_hStripUnlit);
while (cUnlit > 0)
{
BitBlt(lpdi->hDC, xBarOffset, g_DefSpacing + cOffset,
STRIP_WIDTH, min(cUnlit, STRIP_HEIGHT),
hdcMem,
0, 0, SRCCOPY);
cOffset += min(cUnlit, STRIP_HEIGHT);
cUnlit -= min(cUnlit, STRIP_HEIGHT);
}
};
// Draw lit portion
if (0 != cBarLitPixels)
{
SelectObject(hdcMem, m_hStripLit);
INT cOffset = 0;
INT cLit = cBarLitPixels - cBarRedPixels;
while (cLit > 0)
{
BitBlt(lpdi->hDC, xBarOffset, g_DefSpacing + (cBarHeight - cBarLitPixels) + cOffset,
STRIP_WIDTH, min(STRIP_HEIGHT, cLit),
hdcMem,
0, 0, SRCCOPY);
cOffset += min(cLit, STRIP_HEIGHT);
cLit -= min(cLit, STRIP_HEIGHT);
}
}
if (0 != cBarRedPixels)
{
SelectObject(hdcMem, m_hStripLitRed);
INT cOffset = 0;
INT cRed = cBarRedPixels;
while (cRed > 0)
{
BitBlt(lpdi->hDC, xBarOffset, g_DefSpacing + (cBarHeight - cBarRedPixels) + cOffset,
STRIP_WIDTH, min(cRed, STRIP_HEIGHT),
hdcMem,
0, 0, SRCCOPY);
cOffset += min(cRed, STRIP_HEIGHT);
cRed -= min(cRed, STRIP_HEIGHT);
}
}
DeleteDC(hdcMem);
}
SelectObject(lpdi->hDC, hOld);
}
// CPerfPage::DrawMEMMeter
//
// Draws the memory meter
void CPerfPage::DrawMEMMeter(LPDRAWITEMSTRUCT lpdi)
{
HBRUSH hBlack = (HBRUSH) GetStockObject(BLACK_BRUSH);
HGDIOBJ hOld = SelectObject(lpdi->hDC, hBlack);
Rectangle(lpdi->hDC, lpdi->rcItem.left, lpdi->rcItem.top, lpdi->rcItem.right, lpdi->rcItem.bottom);
INT xBarOffset = ((lpdi->rcItem.right - lpdi->rcItem.left) - STRIP_WIDTH) / 2;
SetBkMode(lpdi->hDC, TRANSPARENT);
SetTextColor(lpdi->hDC, GRAPH_TEXT_COLOR);
TCHAR szBuf[32];
StrFormatByteSize64( g_MEMUsage * 1024, szBuf, ARRAYSIZE(szBuf) );
RECT rcOut = lpdi->rcItem;
rcOut.bottom -= 4;
DrawText(lpdi->hDC, szBuf, -1, &rcOut, DT_SINGLELINE | DT_CENTER | DT_BOTTOM);
HDC hdcMem = CreateCompatibleDC(lpdi->hDC);
if (hdcMem)
{
// Draw the CPU meter
// Draw unlit portion
INT cBarHeight = lpdi->rcItem.bottom - lpdi->rcItem.top - (GetCurFontSize(lpdi->hDC) + g_DefSpacing * 3);
if (cBarHeight > 0)
{
INT cBarLitPixels = (INT)(( g_MEMUsage * cBarHeight ) / g_MEMMax);
cBarLitPixels = (cBarLitPixels / 3) * 3;
// INT cBarUnlitPixels = cBarHeight - cBarLitPixels;
if (cBarHeight != cBarLitPixels)
{
SelectObject(hdcMem, m_hStripUnlit);
INT cUnlit = cBarHeight - cBarLitPixels;
INT cOffset = 0;
while (cUnlit > 0)
{
BitBlt(lpdi->hDC, xBarOffset, g_DefSpacing + cOffset,
STRIP_WIDTH, min(cUnlit, STRIP_HEIGHT),
hdcMem,
0, 0, SRCCOPY);
cOffset += min(cUnlit, STRIP_HEIGHT);
cUnlit -= min(cUnlit, STRIP_HEIGHT);
}
};
// Draw lit portion
if (0 != cBarLitPixels)
{
SelectObject(hdcMem, m_hStripLit);
INT cOffset = 0;
INT cLit = cBarLitPixels;
while (cLit > 0)
{
BitBlt(lpdi->hDC, xBarOffset, g_DefSpacing + (cBarHeight - cBarLitPixels) + cOffset,
STRIP_WIDTH, min(STRIP_HEIGHT, cLit),
hdcMem,
0, 0, SRCCOPY);
cOffset += min(cLit, STRIP_HEIGHT);
cLit -= min(cLit, STRIP_HEIGHT);
}
}
}
DeleteDC(hdcMem);
}
SelectObject(lpdi->hDC, hOld);
}
/*++ CPerfPage::TimerEvent
Routine Description:
Called by main app when the update time fires
Arguments:
Return Value:
Revision History:
Nov-12-95 Davepl Created
--*/
void CPerfPage::TimerEvent()
{
CalcCpuTime(TRUE);
g_Scrollamount+=2;
g_Scrollamount %= GRAPHPAPERSIZE;
// Force the displays to update
if (FALSE == IsIconic(g_hMainWnd))
{
InvalidateRect(GetDlgItem(m_hPage, IDC_CPUMETER), NULL, FALSE);
UpdateWindow(GetDlgItem(m_hPage, IDC_CPUMETER));
InvalidateRect(GetDlgItem(m_hPage, IDC_MEMMETER), NULL, FALSE);
UpdateWindow(GetDlgItem(m_hPage, IDC_MEMMETER));
for (UINT i = 0; i < g_cProcessors; i++)
{
InvalidateRect(GetDlgItem(m_hPage, ID_FIRSTPANE + i), NULL, FALSE);
UpdateWindow(GetDlgItem(m_hPage, ID_FIRSTPANE + i));
if (CM_PANES != g_Options.m_cmHistMode)
{
// If we're not in multipane mode, we can stop after the first graph
break;
}
}
InvalidateRect(GetDlgItem(m_hPage, IDC_MEMGRAPH), NULL, FALSE);
UpdateWindow(GetDlgItem(m_hPage, IDC_MEMGRAPH));
}
}
/*++ PerfPageProc
Routine Description:
Dialogproc for the performance page.
Arguments:
hwnd - handle to dialog box
uMsg - message
wParam - first message parameter
lParam - second message parameter
Return Value:
For WM_INITDIALOG, TRUE == user32 sets focus, FALSE == we set focus
For others, TRUE == this proc handles the message
Revision History:
Nov-12-95 Davepl Created
--*/
INT_PTR CALLBACK PerfPageProc(
HWND hwnd, // handle to dialog box
UINT uMsg, // message
WPARAM wParam, // first message parameter
LPARAM lParam // second message parameter
)
{
CPerfPage * thispage = (CPerfPage *) GetWindowLongPtr(hwnd, GWLP_USERDATA);
// See if the parent wants this message
if (TRUE == CheckParentDeferrals(uMsg, wParam, lParam))
{
return TRUE;
}
switch(uMsg)
{
case WM_INITDIALOG:
{
SetWindowLongPtr(hwnd, GWLP_USERDATA, lParam);
// CPerfPage * thispage = (CPerfPage *) lParam;
DWORD dwStyle = GetWindowLong(hwnd, GWL_STYLE);
dwStyle |= WS_CLIPCHILDREN;
SetWindowLong(hwnd, GWL_STYLE, dwStyle);
if (IS_WINDOW_RTL_MIRRORED(hwnd))
{
HWND hItem;
LONG lExtStyle;
hItem = GetDlgItem(hwnd,IDC_CPUMETER);
lExtStyle = GetWindowLong(hItem,GWL_EXSTYLE);
SetWindowLong(hItem,GWL_EXSTYLE, lExtStyle & ~(RTL_MIRRORED_WINDOW | RTL_NOINHERITLAYOUT));
hItem = GetDlgItem(hwnd,IDC_MEMMETER);
lExtStyle = GetWindowLong(hItem,GWL_EXSTYLE);
SetWindowLong(hItem,GWL_EXSTYLE, lExtStyle & ~(dwExStyleRTLMirrorWnd | dwExStyleNoInheritLayout));
}
// We handle focus during Activate(). Return FALSE here so the
// dialog manager doesn't try to set focus.
return FALSE;
}
// We need to fake client mouse clicks in this child to appear as nonclient
// (caption) clicks in the parent so that the user can drag the entire app
// when the title bar is hidden by dragging the client area of this child
case WM_LBUTTONUP:
case WM_LBUTTONDOWN:
{
if (g_Options.m_fNoTitle)
{
SendMessage(g_hMainWnd,
uMsg == WM_LBUTTONUP ? WM_NCLBUTTONUP : WM_NCLBUTTONDOWN,
HTCAPTION,
lParam);
}
break;
}
case WM_NCLBUTTONDBLCLK:
case WM_LBUTTONDBLCLK:
{
SendMessage(g_hMainWnd, uMsg, wParam, lParam);
break;
}
case WM_CTLCOLORBTN:
{
const static int rgGraphs[] =
{
IDC_MEMGRAPH,
IDC_MEMMETER,
IDC_CPUMETER
};
for (int i = 0; i < ARRAYSIZE(rgGraphs); i++)
{
if (lParam == (LPARAM) GetDlgItem(hwnd, rgGraphs[i]))
{
return (INT_PTR) GetStockObject(GRAPH_BRUSH);
}
}
// All CPU graphs should use the GRAPH_BRUSH
if (GetDlgCtrlID((HWND)lParam) >= ID_FIRSTPANE && GetDlgCtrlID((HWND)lParam) <= ID_LASTPANE)
return (INT_PTR) GetStockObject(GRAPH_BRUSH);
break;
}
// Size our kids
case WM_SIZE:
thispage->SizePerfPage();
return FALSE;
// Draw one of our owner draw controls
case WM_DRAWITEM:
{
if (wParam >= ID_FIRSTPANE && wParam <= ID_LASTPANE)
{
thispage->DrawCPUGraph( (LPDRAWITEMSTRUCT) lParam, (UINT)wParam - ID_FIRSTPANE);
return TRUE;
}
else if (IDC_CPUMETER == wParam)
{
thispage->DrawCPUDigits( (LPDRAWITEMSTRUCT) lParam);
return TRUE;
}
else if (IDC_MEMMETER == wParam)
{
thispage->DrawMEMMeter( (LPDRAWITEMSTRUCT) lParam);
return TRUE;
}
else if (IDC_MEMGRAPH == wParam)
{
thispage->DrawMEMGraph( (LPDRAWITEMSTRUCT) lParam);
return TRUE;
}
break;
}
default:
return FALSE;
}
return FALSE;
}
/*++ CPerfPage::GetTitle
Routine Description:
Copies the title of this page to the caller-supplied buffer
Arguments:
pszText - the buffer to copy to
bufsize - size of buffer, in characters
Return Value:
Revision History:
Nov-12-95 Davepl Created
--*/
void CPerfPage::GetTitle(LPTSTR pszText, size_t bufsize)
{
LoadString(g_hInstance, IDS_PERFPAGETITLE, pszText, static_cast<int>(bufsize));
}
/*++ CPerfPage::Activate
Routine Description:
Brings this page to the front, sets its initial position,
and shows it
Arguments:
Return Value:
HRESULT (S_OK on success)
Revision History:
Nov-12-95 Davepl Created
--*/
HRESULT CPerfPage::Activate()
{
// Adjust the size and position of our dialog relative
// to the tab control which "owns" us
RECT rcParent;
GetClientRect(m_hwndTabs, &rcParent);
MapWindowPoints(m_hwndTabs, g_hMainWnd, (LPPOINT) &rcParent, 2);
TabCtrl_AdjustRect(m_hwndTabs, FALSE, &rcParent);
SetWindowPos(m_hPage,
HWND_TOP,
rcParent.left, rcParent.top,
rcParent.right - rcParent.left, rcParent.bottom - rcParent.top,
0);
// Make this page visible
ShowWindow(m_hPage, SW_SHOW);
// Make the CPU graphs visible or invisible depending on its current mode
UpdateGraphs();
// Change the menu bar to be the menu for this page
HMENU hMenuOld = GetMenu(g_hMainWnd);
HMENU hMenuNew = LoadMenu(g_hInstance, MAKEINTRESOURCE(IDR_MAINMENU_PERF));
AdjustMenuBar(hMenuNew);
if (hMenuNew && SHRestricted(REST_NORUN))
{
DeleteMenu(hMenuNew, IDM_RUN, MF_BYCOMMAND);
}
g_hMenu = hMenuNew;
if (g_Options.m_fNoTitle == FALSE)
{
SetMenu(g_hMainWnd, hMenuNew);
}
if (hMenuOld)
{
DestroyMenu(hMenuOld);
}
// There are no tabstops on this page, but we have to set focus somewhere.
// If we don't, it may stay on the previous page, now hidden, which can
// confuse the dialog manager and may cause us to hang.
SetFocus(m_hwndTabs);
return S_OK;
}
/*++ CPerfPage::Initialize
Routine Description:
Loads the resources we need for this page, creates the inmemory DCs
and bitmaps for the charts, and creates the actual window (a dialog)
that represents this page
Arguments:
hwndParent - Parent on which to base sizing on: not used for creation,
since the main app window is always used as the parent in
order to keep tab order correct
Return Value:
Revision History:
Nov-12-95 Davepl Created
--*/
HRESULT CPerfPage::Initialize(HWND hwndParent)
{
// Our pseudo-parent is the tab contrl, and is what we base our
// sizing on. However, in order to keep tab order right among
// the controls, we actually create ourselves with the main
// window as the parent
m_hwndTabs = hwndParent;
// Create the color pens
CreatePens();
m_hStripLit = (HBITMAP) LoadImage(g_hInstance, MAKEINTRESOURCE(LED_STRIP_LIT),
IMAGE_BITMAP,
0, 0,
LR_DEFAULTCOLOR);
m_hStripLitRed = (HBITMAP) LoadImage(g_hInstance, MAKEINTRESOURCE(LED_STRIP_LIT_RED),
IMAGE_BITMAP,
0, 0,
LR_DEFAULTCOLOR);
m_hStripUnlit = (HBITMAP) LoadImage(g_hInstance, MAKEINTRESOURCE(LED_STRIP_UNLIT),
IMAGE_BITMAP,
0, 0,
LR_DEFAULTCOLOR);
//
// Create the dialog which represents the body of this page
//
m_hPage = CreateDialogParam(
g_hInstance, // handle to application instance
MAKEINTRESOURCE(IDD_PERFPAGE), // identifies dialog box template name
g_hMainWnd, // handle to owner window
PerfPageProc, // pointer to dialog box procedure
(LPARAM) this ); // User data (our this pointer)
if (NULL == m_hPage)
{
return GetLastHRESULT();
}
return S_OK;
}
/*++ CPerfPage::CreateMemoryBitmaps
Routine Description:
Creates the inmemory bitmaps used to draw the history graphics
Arguments:
x, y - size of bitmap to create
Return Value:
Revision History:
Nov-12-95 Davepl Created
--*/
static HGDIOBJ hOld;
HRESULT CPerfPage::CreateMemoryBitmaps(int x, int y)
{
//
// Create the inmemory bitmaps and DCs that we will use
//
HDC hdcPage = GetDC(m_hPage);
m_hdcGraph = CreateCompatibleDC(hdcPage);
if (NULL == m_hdcGraph)
{
ReleaseDC(m_hPage, hdcPage);
return GetLastHRESULT();
}
m_rcGraph.left = 0;
m_rcGraph.top = 0;
m_rcGraph.right = x;
m_rcGraph.bottom = y;
m_hbmpGraph = CreateCompatibleBitmap(hdcPage, x, y);
ReleaseDC(m_hPage, hdcPage);
if (NULL == m_hbmpGraph)
{
HRESULT hr = GetLastHRESULT();
DeleteDC(m_hdcGraph);
m_hdcGraph = NULL;
return hr;
}
// Select the bitmap into the DC
hOld = SelectObject(m_hdcGraph, m_hbmpGraph);
return S_OK;
}
/*++ CPerfPage::FreeMemoryBitmaps
Routine Description:
Frees the inmemory bitmaps used to drag the history graphs
Arguments:
Return Value:
Revision History:
Nov-12-95 Davepl Created
--*/
void CPerfPage::FreeMemoryBitmaps()
{
if (m_hdcGraph)
{
if (hOld)
SelectObject(m_hdcGraph, m_hbmpGraph);
DeleteDC(m_hdcGraph);
}
if (m_hbmpGraph)
{
DeleteObject(m_hbmpGraph);
}
}
/*++ CPerfPage::Deactivate
Routine Description:
Called when this page is losing its place up front
Arguments:
Return Value:
Revision History:
Nov-16-95 Davepl Created
--*/
void CPerfPage::Deactivate()
{
if (m_hPage)
{
ShowWindow(m_hPage, SW_HIDE);
}
}
/*++ CPerfPage::Destroy
Routine Description:
Frees whatever has been allocated by the Initialize call
Arguments:
Return Value:
Revision History:
Nov-12-95 Davepl Created
--*/
HRESULT CPerfPage::Destroy()
{
//
// When we are being destroyed, kill off our dialog
//
ReleasePens();
if (m_hPage)
{
DestroyWindow(m_hPage);
m_hPage = NULL;
}
if (m_hStripLit)
{
DeleteObject(m_hStripLit);
m_hStripLit = NULL;
}
if (m_hStripUnlit)
{
DeleteObject(m_hStripUnlit);
m_hStripUnlit = NULL;
}
if (m_hStripLitRed)
{
DeleteObject(m_hStripLitRed);
m_hStripLitRed = NULL;
}
if (m_hbmpGraph)
{
DeleteObject(m_hbmpGraph);
m_hbmpGraph = NULL;
}
if (m_hdcGraph)
{
DeleteDC(m_hdcGraph);
m_hdcGraph = NULL;
}
return S_OK;
}
/*++
Routine Description:
Initialize data for perf measurements
Arguments:
None
Return Value:
Number of system processors (0 if error)
Revision History:
10-13-95 Modified from WPERF
--*/
BYTE InitPerfInfo()
{
SYSTEM_BASIC_INFORMATION BasicInfo;
PSYSTEM_PROCESSOR_PERFORMANCE_INFORMATION PPerfInfo;
SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION ProcessorInfo[MAX_PROCESSOR];
int i;
NTSTATUS Status = NtQuerySystemInformation(
SystemBasicInformation,
&BasicInfo,
sizeof(BasicInfo),
NULL
);
if (!NT_SUCCESS(Status))
{
return 0;
}
g_PageSize = BasicInfo.PageSize;
g_cProcessors = BasicInfo.NumberOfProcessors;
if (g_cProcessors > MAX_PROCESSOR) {
return(0);
}
for (i = 0; i < g_cProcessors; i++)
{
g_pCPUHistory[i] = (LPBYTE) LocalAlloc(LPTR, HIST_SIZE * sizeof(LPBYTE));
if (NULL == g_pCPUHistory[i])
{
return 0;
}
g_pKernelHistory[i] = (LPBYTE) LocalAlloc(LPTR, HIST_SIZE * sizeof(LPBYTE));
if (NULL == g_pKernelHistory[i])
{
return 0;
}
}
g_pMEMHistory = (LPBYTE) LocalAlloc(LPTR, HIST_SIZE * sizeof(LPBYTE));
if (NULL == g_pMEMHistory)
{
return 0;
}
Status = NtQuerySystemInformation(
SystemProcessorPerformanceInformation,
ProcessorInfo,
sizeof(SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION) * MAX_PROCESSOR,
NULL
);
if (!NT_SUCCESS(Status))
{
return 0;
}
PPerfInfo = ProcessorInfo;
for (i=0; i < g_cProcessors; i++)
{
PreviousCPUIdleTime[i] = PPerfInfo->IdleTime;
PreviousCPUTotalTime[i].QuadPart = PPerfInfo->UserTime.QuadPart +
PPerfInfo->KernelTime.QuadPart;
PreviousCPUKernelTime[i].QuadPart = PPerfInfo->KernelTime.QuadPart +
PPerfInfo->IdleTime.QuadPart;
// PPerfInfo->IdleTime.QuadPart;
PPerfInfo++;
}
//
// Get the maximum commit limit
//
SYSTEM_PERFORMANCE_INFORMATION PerfInfo;
Status = NtQuerySystemInformation(
SystemPerformanceInformation,
&PerfInfo,
sizeof(PerfInfo),
NULL);
if (!NT_SUCCESS(Status))
{
return 0;
}
g_MEMMax = PerfInfo.CommitLimit * ( g_PageSize / 1024 );
return(g_cProcessors);
}
/*++ ReleasePerfInfo
Routine Description:
Frees the history buffers
Arguments:
Return Value:
Revision History:
Nov-13-95 DavePl Created
--*/
void ReleasePerfInfo()
{
for (int i = 0; i < g_cProcessors; i++)
{
if (g_pCPUHistory[i])
{
LocalFree(g_pCPUHistory[i]);
g_pCPUHistory[i] = NULL;
}
if (g_pKernelHistory[i])
{
LocalFree(g_pKernelHistory[i]);
g_pKernelHistory[i] = NULL;
}
}
if (g_pMEMHistory)
{
LocalFree(g_pMEMHistory);
}
}
/*++ CalcCpuTime
Routine Description:
calculate and return %cpu time and time periods
Arguments:
None
Notes:
Revision History:
Nov-13-95 DavePl Created
--*/
void CalcCpuTime(BOOL fUpdateHistory)
{
SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION ProcessorInfo[MAX_PROCESSOR];
LARGE_INTEGER CPUIdleTime[MAX_PROCESSOR];
LARGE_INTEGER CPUTotalTime[MAX_PROCESSOR];
LARGE_INTEGER CPUKernelTime[MAX_PROCESSOR];
LARGE_INTEGER SumIdleTime = { 0 ,0 };
LARGE_INTEGER SumTotalTime = { 0, 0 };
LARGE_INTEGER SumKernelTime = { 0, 0 };
NTSTATUS Status;
Status = NtQuerySystemInformation(
SystemProcessorPerformanceInformation,
ProcessorInfo,
sizeof(SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION) * MAX_PROCESSOR,
NULL
);
if (!NT_SUCCESS(Status))
{
return;
}
//
// Walk through the info for each CPU, and compile
//
// - Amount of time each CPU has spent idle (since last check)
// - Amount of time each CPU has spent entirely (since last check)
//
// In addition to keeping per-CPU stats, compile a sum for
//
// - Amount of time system has spent idle (since last check)
// - Amount of time that has elapsed, in total (since last check)
//
for (int ListIndex = 0; ListIndex < g_cProcessors; ListIndex++)
{
LARGE_INTEGER DeltaCPUIdleTime;
LARGE_INTEGER DeltaCPUTotalTime;
LARGE_INTEGER DeltaCPUKernelTime;
CPUIdleTime[ListIndex].QuadPart = ProcessorInfo[ListIndex].IdleTime.QuadPart;
CPUKernelTime[ListIndex].QuadPart= ProcessorInfo[ListIndex].KernelTime.QuadPart-
ProcessorInfo[ListIndex].IdleTime.QuadPart;
CPUTotalTime[ListIndex].QuadPart = ProcessorInfo[ListIndex].KernelTime.QuadPart +
ProcessorInfo[ListIndex].UserTime.QuadPart;// +
//ProcessorInfo[ListIndex].IdleTime.QuadPart;
DeltaCPUIdleTime.QuadPart = CPUIdleTime[ListIndex].QuadPart -
PreviousCPUIdleTime[ListIndex].QuadPart;
DeltaCPUKernelTime.QuadPart = CPUKernelTime[ListIndex].QuadPart -
PreviousCPUKernelTime[ListIndex].QuadPart;
DeltaCPUTotalTime.QuadPart = CPUTotalTime[ListIndex].QuadPart -
PreviousCPUTotalTime[ListIndex].QuadPart;
SumIdleTime.QuadPart += DeltaCPUIdleTime.QuadPart;
SumTotalTime.QuadPart += DeltaCPUTotalTime.QuadPart;
SumKernelTime.QuadPart += DeltaCPUKernelTime.QuadPart;
// Calc CPU Usage % for this processor, scroll the history buffer, and store
// the newly calced value at the head of the history buffer
BYTE ThisCPU;
if (DeltaCPUTotalTime.QuadPart != 0)
{
ThisCPU = static_cast<BYTE>(100 - ((DeltaCPUIdleTime.QuadPart * 100) / DeltaCPUTotalTime.QuadPart));
}
else
{
ThisCPU = 0;
}
BYTE * pbHistory = g_pCPUHistory[ListIndex];
MoveMemory((LPVOID) (pbHistory + 1),
(LPVOID) (pbHistory),
sizeof(BYTE) * (HIST_SIZE - 1) );
pbHistory[0] = ThisCPU;
BYTE ThisKernel;
if (DeltaCPUTotalTime.QuadPart != 0)
{
ThisKernel = static_cast<BYTE>(((DeltaCPUKernelTime.QuadPart * 100) / DeltaCPUTotalTime.QuadPart));
}
else
{
ThisKernel = 0;
}
pbHistory = g_pKernelHistory[ListIndex];
MoveMemory((LPVOID) (pbHistory + 1),
(LPVOID) (pbHistory),
sizeof(BYTE) * (HIST_SIZE - 1) );
pbHistory[0] = ThisKernel;
PreviousCPUTotalTime[ListIndex].QuadPart = CPUTotalTime[ListIndex].QuadPart;
PreviousCPUIdleTime[ListIndex].QuadPart = CPUIdleTime[ListIndex].QuadPart;
PreviousCPUKernelTime[ListIndex].QuadPart = CPUKernelTime[ListIndex].QuadPart;
}
if (SumTotalTime.QuadPart != 0)
{
g_CPUUsage = (BYTE) (100 - ((SumIdleTime.QuadPart * 100) / SumTotalTime.QuadPart));
}
else
{
g_CPUUsage = 0;
}
if (fUpdateHistory)
{
if (SumTotalTime.QuadPart != 0)
{
g_KernelUsage = (BYTE) ((SumKernelTime.QuadPart * 100) / SumTotalTime.QuadPart);
}
else
{
g_KernelUsage = 0;
}
//
// Get the commit size
//
SYSTEM_PERFORMANCE_INFORMATION PerfInfo;
Status = NtQuerySystemInformation(
SystemPerformanceInformation,
&PerfInfo,
sizeof(PerfInfo),
NULL);
if (!NT_SUCCESS(Status))
{
return;
}
g_MEMUsage = PerfInfo.CommittedPages * (g_PageSize / 1024);
MoveMemory((LPVOID) (g_pMEMHistory + 1),
(LPVOID) (g_pMEMHistory),
sizeof(BYTE) * (HIST_SIZE - 1) );
g_pMEMHistory[0] = (BYTE) (( g_MEMUsage * 100 ) / g_MEMMax );
}
}