[Bash-completion-devel] After adding bash-completion to .bashrc loading prompt is slow

[David Paleino]

On Sun, 03 Apr 2011 15:20:21 +0300, Ville Skyttä wrote:

> On 04/02/2011 05:49 PM, David Paleino wrote:
> 
> > I guess it also depends whether you have it already loaded or not.
> > 
> > On my system, at first load:
> > 
> > real	0m5.677s
> > user	0m0.736s
> > sys	0m0.192s
> 
> Wow, I don't think I've ever seen anything close to this.  What did you
> do in order to get these "first load" numbers, and what's this box?

I usually hibernate my system with no apps open (apart from wicd and a
terminal), so from that terminal I just prepended "time" to ~/.bashrc, and
fired up another terminal.

It's a Celeron 1,73GHz, bash-completion from git, 242 files in
bash_completion.d, Debian sid.

> I tried with the slowest box I have easily access to (which has
> bash-completion 1.2 with 52 files in /etc/bash_completion.d, bash
> 3.2.25, CentOS 5.5, Athlon XP 2800+ and a PATA disk, no load at the
> moment) by making sure bash completion was not loaded, then dropped all
> caches [0], and:
> 
> $ hash -r
> $ time . /etc/bash_completion
> real	0m1.616s
> user	0m0.182s
> sys	0m0.040s
> 
> [0] As root: sync ; echo 3 > /proc/sys/vm/drop_caches

I'll try these ASAP -- with a clean reboot.

Kindly,
David

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