Re: ls eat high CPU time when LANG=zh_CN.UTF-8 and LC_ALL=zh_CN.UTF-8

On Mon, Jul 04, 2016 at 02:36:11PM +0800, Huang Wen Hui wrote:
> 2016-07-04 14:20 GMT+08:00 Baptiste Daroussin <bapt_at_freebsd.org>:
> 
> > On Mon, Jul 04, 2016 at 11:56:36AM +0800, Huang Wen Hui wrote:
> > > Hi,
> > > On very recent CURRENT, ls can eat high CPU time when LANG=zh_CN.UTF-8
> > and
> > > LC_ALL=zh_CN.UTF-8:
> > >
> > > % uname -a
> > > FreeBSD mbp.gddsn.org.cn 11.0-ALPHA6 FreeBSD 11.0-ALPHA6 #121 r302331M:
> > Mon
> > > Jul  4 10:47:27 CST 2016     root_at_mbp.gddsn.org.cn:
> > /usr/obj/usr/src/sys/MACBOOK
> > >  amd64
> > >
> > > top show:
> > > 4457 hwh           1 100    0 16784K  4416K CPU4    4   0:22  98.86% ls
> > >
> > > any ideas?
> > >
> > Is it in all directories or only in directories with files in chinese
> > characters?
> >
> Yes, the  directory contain Chinese characters.
> 
> >
> > Is it only happening when you run ls with some arguments (in particular
> > -l) or
> > with any arguments?
> >
> I use  ls -wGl
> 
> >
> > Do you see the same if you force any other locale like en_US.UTF-8?
> >
> There is no problem if set  en_US.UTF-8.
> 
> 
> > Best regards,
> > Bapt
> >

Can you try:
env -i LANG=zh_CN.UTF-8 LC_COLLATE=C ls -l

And tell me if it still happen?

Best regards,
Bapt