On Mar 28, 2014, at 10:43 AM, Eli Zaretskii wrote: >> From: Eric Froemling >> Date: Fri, 28 Mar 2014 09:19:41 -0700 >> Cc: 17124@debbugs.gnu.org >> >> I’ll try to take a look at CPU load next time. > > Please do, it might give some clues. > >> Here’s a youtube vid (unlisted) of my example in case that’s something >> you can view: >> https://www.youtube.com/watch?v=FSAGh4ER_AE&feature=youtu.be >> I’m definitely seeing delays between characters on individual lines, but also >> even things like drawing the borders around all of the frame’s windows are >> taking multiple frames. In total, refreshing the whole UI takes about >> 30 seconds whereas it is usually pretty instantaneous. It looks sort of >> like the slow-motion-redraw you see in X11 on a box that is completely >> swapped out, (though there is definitely no swapping going on in this case) > > Looks like something is preempting the Emacs process all the time.