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More details about the tmux 2.0 regression
- From: Äsmail DÃnmez <ismail at donmez dot ws>
- To: cygwin at cygwin dot com
- Cc: Michael Wild <themiwi at gmail dot com>
- Date: Sat, 6 Jun 2015 12:58:29 +0300
- Subject: More details about the tmux 2.0 regression
- Authentication-results: sourceware.org; auth=none
Hi,
I had a nice discussion with tmux maintainers over at
https://github.com/tmux/tmux/issues/13 about the tmux 2.0 regression
on Cygwin.
Long story short, tmux is trying to read /proc/<pid>/cmdline and
/proc/<pid>/cwd for various reasons and for non-Cygwin programs this
is quite slow. You can reproduce this easily run cmd.exe inside bash
and try to
cat /proc/<pid of cmd.exe>/cmdline
and see it takes a second long to print "<defunct>". Would be nice to
fix this slowdown so tmux can be speedy again. For now setting
automatic-rename to off
set -g automatic-rename off
helps somewhat.
Regards,
ismail
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