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Add a simple form of output rate limiting by counting the number of

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certain C0 sequences (linefeeds, backspaces, carriage returns) and if it
exceeds a threshold (current default 50/millisecond), start to redraw
the pane every 100 milliseconds instead of making each change as it
comes. Two configuration options - c0-change-trigger and
c0-change-interval.

This makes tmux much more responsive under very fast output (for example
yes(1) or accidentally cat'ing a large file) but may not be perfect on
all terminals and connections - feedback very welcome, particularly
where this change has a negative rather than positive effect (making it
off by default is a possibility).

After much experimentation based originally on a request Robin Lee
Powell (which ended with a completely different solution), this idea
from discussion with Ailin Nemui.
This commit is contained in:
Nicholas Marriott
2012-03-20 11:01:00 +00:00
parent bf9e7a1c68
commit f59971276a
6 changed files with 93 additions and 5 deletions
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2
tty.c
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@ -661,7 +661,7 @@ tty_write(
if (wp->window->flags & WINDOW_REDRAW || wp->flags & PANE_REDRAW)
return;
if (!window_pane_visible(wp))
if (!window_pane_visible(wp) || wp->flags & PANE_DROP)
return;
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {