Retrieves the current percentage of the Processor Usage
#include <WinAPISys.au3>
_WinAPI_QueryProcessorUsage ( $bToolTip = False )
| $bToolTip | to display a tooltip of the Processor usage (Default no display) |
| Success: | The percentage of the Processor Usage. |
| Failure: | Sets the @error flag to non-zero, call _WinAPI_GetLastError() to get extended error information. |
The "taskmgr.exe", "dwm.exe" and the "System" processes are ignored,
as those processes are always working in background.
#AutoIt3Wrapper_AutoIt3Dir = e:\trunk.SVN\Bin
#pragma compile(AutoItExecuteAllowed, True)
;~ #include <AutoItConstants.au3>
#include <MsgBoxConstants.au3>
#include <WinAPISys.au3>
; create a script which use CPU
Local $sTestAu3 = @TempDir & "\TestSystemIdle.au3"
FileDelete($sTestAu3)
FileWriteLine($sTestAu3, 'For $i = 1 To 50000000')
FileWriteLine($sTestAu3, '$i = $i')
FileWriteLine($sTestAu3, 'Next')
;~ Local $sTestAu3 = @TempDir & "\TestIOIdle.au3"
;~ FileDelete($sTestAu3)
;~ FileWriteLine($sTestAu3, 'For $i = 1 To 100000')
;~ FileWriteLine($sTestAu3, 'FileRead(@ScriptFullPath)')
;~ FileWriteLine($sTestAu3, 'Next')
If @Compiled Then
Run(@AutoItExe & ' /AutoIt3ExecuteScript "' & $sTestAu3 & '"')
Else
Run(@AutoItExe & " " & $sTestAu3)
EndIf
Local $fCurSystem, $fSystemPercent = 1.0, $nSystemSleep = 0, $iRefresh = 2000
Local $fCurIO, $fIOPercent = 1.0, $nIOSleep = 0
Local $hTimer = TimerInit()
Do
$nSystemSleep += 1
Sleep($iRefresh)
$fCurSystem = _WinAPI_QueryProcessorUsage(True)
Until $fCurSystem < $fSystemPercent
Do
;in case the processor is not really idle !!!
$nIOSleep += 1
Sleep($iRefresh)
$fCurIO = _WinAPI_QueryDiskUsage(True)
Until $fCurIO < $fIOPercent
Local $sElapse = Round(TimerDiff($hTimer) / 1000, 2)
FileDelete($sTestAu3)
MsgBox($MB_TOPMOST, 'Test duration', $sElapse & " sec (" & $nSystemSleep & "/" & $nIOSleep & ')')