GNU bug report logs - #52085
29.0.50; Frame occasionally fails to paint while screen sharing on macOS

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Message #38 received at 52085 <at> debbugs.gnu.org (full text, mbox):

From: Alan Third <alan <at> idiocy.org>
To: Aaron Jensen <aaronjensen <at> gmail.com>
Cc: 52085 <at> debbugs.gnu.org
Subject: Re: bug#52085: 29.0.50; Frame occasionally fails to paint while
 screen sharing on macOS
Date: Wed, 8 Dec 2021 21:23:26 +0000

On Tue, Dec 07, 2021 at 10:14:07PM -0500, Aaron Jensen wrote:
> On Sat, Dec 4, 2021 at 5:48 AM Alan Third <alan <at> idiocy.org> wrote:
> >
> > On Fri, Dec 03, 2021 at 12:14:10AM -0500, Aaron Jensen wrote:
> > > On Thu, Dec 2, 2021 at 5:22 PM Alan Third <alan <at> idiocy.org> wrote:
> > > >
> > > > Probably the first thing you could do is check that [EmacsLayer
> > > > display] is being called at the right time.
> > > >
> > > > But I can't really think of any particular reason for this to happen.
> > >
> > > How do I enable and observe NSTRACE?
> >
> > Uncomment the line at nsterm.h:65, and probably the one at line 78
> > too, which refers to NSTRACE_GROUP_FOCUS.
> >
> > It logs to the terminal or to the system logs.
> 
> Hmm, I see logging but typically every keypress is met with:
> 
> nsterm.m  : 6100: [11784]  [EmacsView keyDown:]
> nsterm.m  : 6393: [11785]  | [EmacsView hasMarkedText]
> nsterm.m  : 6284: [11786]  | [EmacsView insertText:]
> 
> 
> I see some [EmacsLayer display] but very few. I'm not sure how to
> trigger them. Is that what is expected?
> 
> I have a fairly hard time reproducing this whole thing so even though
> I'm screensharing right now and running a test build...

To be honest, if I just want to see when one function is called I
stick in 'NSLog (@"Moo")' or whatever. There's too much output in
NSTRACE and I'm sure that sometimes it doesn't print out results from
things that are called deep in the toolkit code.
-- 
Alan Third

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