On Sat 26 Nov 2022 at 23:00:07 (+0100), email.list...@gmail.com wrote:
> On 2022-11-26 19:58, to...@tuxteam.de wrote:
> > On Sat, Nov 26, 2022 at 09:55:49AM -0600, David Wright wrote:
> > > On Sat 26 Nov 2022 at 14:00:39 (+0100), email.list...@gmail.com wrote:
> > > >
> > > > Doing tab completion in my user account is quite sluggish, it takes
> > > > about half a second before anything happens after pressing tab.
> > > >
> > > > I've done an strace on the shell and it turns out that when I press
> > > > tab bash does a select() on stdout that times out after half a second.
> > > > When I'm logged in as root and do the same thing bash does not do
> > > > that, so I presume it has something to do with how tab completion is
> > > > configured when I'm logged in to my regular user account. I'm not sure
> > > > how to investigate this further, any help would be appreciated. I'm
> > > > still on debian 10 and my version of bash is 5.0.3(1)
> > >
> > > Do you have a networked filesystem in your PATH? Or a directory on
> > > a slow device, like a stick or caddy? Remember to check symlinks.
> >
> > Hm. The select() seems to suggest that the bash is waiting on a
> > socket. Can you see in the trace how the fd select is waiting
> > on was opened? Perhaps that gives a clue.
>
> No the only two calls in the trace before select are to pselect6() and
> read()
>
> pselect6(1, [0], NULL, NULL, NULL, {[], 8}) = 1 (in [0]) <4.400862>
> read(0, "\t", 1) = 1 <0.000081>
> select(1, [0], NULL, [0], {tv_sec=0, tv_usec=500000}) = 0
Where does this number come from? →→→→→→→→→→→→→↑↑↑↑↑↑
I see zero here.
> (Timeout)<0.500679>
Cheers,
David.
