mouse click latency
Dan B. Phung
phung at cs.columbia.edu
Wed Apr 23 18:00:43 PDT 2008
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>
> 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?
>> Macbook, running Ubuntu 7.10
>> Linux kernel 188.8.131.52
>> Xorg 7.2, Mesa 7.0,
>> xorg mailing list
>> xorg at lists.freedesktop.org
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