Re: [dev] st stutters and freezes, with 100% cpu usage, during window resize via mouse drag

From: Christoph Lohmann <>
Date: Thu, 16 Jan 2014 06:56:40 +0100


On Thu, 16 Jan 2014 06:56:40 +0100 Parke <> wrote:
> > On Tue, Jan 14, 2014 at 06:13:58PM -0800, Parke wrote:
> >> Compared to xterm, st will stutter/freeze when I resize a window by
> >> dragging a window edge with the mouse. I have Openbox set to refresh
> >> the window contents during the resize.
> On Wed, Jan 15, 2014 at 1:26 AM, Markus Wichmann <> wrote:
> > This will make OpenBox send a ConfigureNotify event whenever the mouse
> > moves more than one character.
> >
> > Here's a premature optimization (attached). Please let us know if that helped.
> After applying the patch, I think st freezes sooner (but stutters
> less), stays frozen longer, and when coming out of a freeze, only
> updates the display once, instead of stuttering when thawing. As
> before, most of the CPU time is spent inside the X server.
> Please don't feel obligated to try to improve st on my account. I'm
> reasonably happy with xterm.

This is weak. You mention a bug, activate resources to fix it and then
tell us that you are too lazy to dig further into it because you will
stay with the pony program anyways.

Thanks for wasting my time.


Christoph Lohmann
Received on Thu Jan 16 2014 - 06:56:40 CET

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