Subject: bug#3198: Bug report: Hight CPU loading on scrolling

From: Chong Yidong <[email-masked]>
Date: Sun, 03 May 2009 10:54:47 -0400

close 1089
thanks

> If we set scroll 'by line' like this
> (setq scroll-step 1)
>
> we can open rather long file (like emacs tutorial)
> and press down buton for a some peiod of time.
> After some smooth scroll period CPU loading increase,
> so 'glitches' or scroll interrupts take place.

This is basically GC occurring.  Scrolling was causing frequent GCs due
to a bug in the GTK toolbar.  I fixed this a few months ago, but forgot
to reference this bug.