mouse click latency

[Dan B. Phung]

ah...very nice, now the latency is about 8 ms, which is about what I 
expected.  thanks for saving my sanity.


Carsten Haitzler (The Rasterman) wrote:
> On Wed, 23 Apr 2008 10:24:46 -0400 "Dan B. Phung" <phung at cs.columbia.edu>
> babbled:
>
> middle mouse button emulation. (it's waiting to see if right mouse gets pressed
> during he timeout so it can fake a middle button). turn that off - or get a
> middle button, or live without middle button... (ewwww!)
>
>   
>> I'm timing the latency for an application (a screensaver in this case) 
>> to handle a mouse click.  I take a timestamp in the mouse driver 
>> (appletouch, usb) and another timestamp when the screensaver handles the 
>> event.  For the appletouch driver I get a latency of ~83 ms, and the usb 
>> mouse is ~57 ms, which seems like madness.  Keyboard clicks are ~5.7 ms 
>> which are more on the order of what I expected for the mouse clicks.  
>> What's the expected latency of mouse clicks?
>>
>> config:
>> Macbook, running Ubuntu 7.10
>> Linux kernel 2.6.22.10
>> Xorg 7.2, Mesa 7.0,
>> xscreensaver-5.03
>>
>>
>> -dan
>>
>> _______________________________________________
>> xorg mailing list
>> xorg at lists.freedesktop.org
>> http://lists.freedesktop.org/mailman/listinfo/xorg
>>
>>     
>
>
>