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chaswigger

Infinite Loop CPU Usage

4 posts in this topic

I have written a script to watch for the existence of a certain Window with specific text; using an infinite loop and the WinExists function. This definitely works, but the CPU Usage maxes out. This loop has to be real time and I prefer to not use a timer\sleep, which I've already tested with similar high CPU Usage. Any idea on how to throttle the CPU Usage?

;*************************

#NoTrayIcon

$i=0

Do

If WinExists("Oracle Enterprise Single Sign", "The keys in the Synchronizer Extension do not match the keys on this computer. Synchronization will not occur. Please contact your administrator.") Then

run("LogoutFlag.exe")

Sleep(500)

Else

EndIf

Until $i=1

;*************************

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chaswigger,

First, welcome to the AutoIt forums. A good start - some code to work on and a clear question. I wish some other newcomers would do the same. ;-)

As to your problem, you have the sleep inside the If loop, so it does not work as you need and you get the maxed-out CPU. Try this:

#NoTrayIcon
$i = 0
Do
    If WinExists("Oracle Enterprise Single Sign", "The keys in the Synchronizer Extension do not match the keys on this computer. Synchronization will not occur. Please contact your administrator.") Then
        Run("LogoutFlag.exe")
    EndIf
    Sleep(10)
Until $i = 1

This reduced CPU usage to less than 1 from 50+ on my machine.

M23

P.S. It is easier to read your code if you use Code tags. Put [code ] before and [/code ] after your posted code (but omit the trailing space - it is only there so the tags display here).


Any of my own code posted anywhere on the forum is available for use by others without any restriction of any kind._______My UDFs:

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ArrayMultiColSort ---- Sort arrays on multiple columns
ChooseFileFolder ---- Single and multiple selections from specified path treeview listing
Date_Time_Convert -- Easily convert date/time formats, including the language used
ExtMsgBox --------- A highly customisable replacement for MsgBox
GUIExtender -------- Extend and retract multiple sections within a GUI
GUIFrame ---------- Subdivide GUIs into many adjustable frames
GUIListViewEx ------- Insert, delete, move, drag, sort, edit and colour ListView items
GUITreeViewEx ------ Check/clear parent and child checkboxes in a TreeView
Marquee ----------- Scrolling tickertape GUIs
NoFocusLines ------- Remove the dotted focus lines from buttons, sliders, radios and checkboxes
Notify ------------- Small notifications on the edge of the display
Scrollbars ----------Automatically sized scrollbars with a single command
StringSize ---------- Automatically size controls to fit text
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Also, instead of

$i=0

Do

........ loop here .......

Until $i=1

You can use

While 1

........ loop here ........

WEnd

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