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bug#34179: 27.0.50; message hangs when buffer with process visible


From: Michael Heerdegen
Subject: bug#34179: 27.0.50; message hangs when buffer with process visible
Date: Thu, 24 Jan 2019 19:55:55 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux)

Eli Zaretskii <address@hidden> writes:

> Maybe producing a profile of such a hang could give us some hints.

That was one the first things I did.  It only shows that 'message'
hangs, e.g (cpu mode):

- command-execute                               3539  90%
 - call-interactively                           3539  90%
  - funcall-interactively                       3539  90%
   - fracy-previous-window                      3527  89%
    - fracy-flash-window                        3527  89%
     - fracy-display-frame-list                 3527  89%
      - message                                 3523  89%
       + redisplay_internal (C function)        1281  32%
   + my-profiler-stop-and-report                  12   0%
+ ...                                            378   9%
  undo-auto--add-boundary                         11   0%
  fracy-maybe-add-frame                            4   0%

That covers a time of ~ 5 seconds.


Michael.





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