On Dec 26, 2003, at 2:03 AM, Neil Alexander wrote:
While observing the mouse - using a pen in Appleworks, for example -
there is a visible pause that occurs approximately every second. It
looks like it's "jerky" at one second intervals. Almost like it's
being put on hold. In between those pauses, the mouse is very smooth.
Again, the code is based on the standard HID example code.
The program is written as a tool, does this have any effect?
No.
Is there any way to prioritize this? Or do I need to spawn a thread
with the appropriate priority? I'm relatively new to OSX, so I hope my
questions aren't too elementary.
Tweaking thread priorities is not desirable with very few exceptions,
such as dealing with audio devices where latency can cause audible
glitches.
I highly recommend tracking down the cause of the one-second pauses.
There are a number of performance tools included with the Mac OS X
developer tools, and the documentation is fairly good:
Once you know what is blocking you, you can devise the proper solution.
HTH,
--gc
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