Date: Mon, 4 Jul 2016 09:04:01 +0200 From: Baptiste Daroussin <bapt@freebsd.org> To: Huang Wen Hui <huanghwh@gmail.com> Cc: freebsd-current <freebsd-current@freebsd.org> Subject: Re: ls eat high CPU time when LANG=zh_CN.UTF-8 and LC_ALL=zh_CN.UTF-8 Message-ID: <20160704070401.uavtrarwtkreolck@ivaldir.etoilebsd.net> In-Reply-To: <CAB8uncY%2BQKx%2BzxYjP600PAJ=37JtiUO-nf4%2BBTNsCyBfbwOYmA@mail.gmail.com> References: <CAB8uncYp7fBytHUqxxOU2nr5DY-4CTnp0983VEhc2UOUCdLHyQ@mail.gmail.com> <20160704062026.oqml7ehc6ka7gg37@ivaldir.etoilebsd.net> <CAB8uncZNFncxCbaDuJ9FKiaNSrOy5QTiXmP0fy5yxZZ-i=JXqg@mail.gmail.com> <20160704064119.xm7tcw53vejchgmm@ivaldir.etoilebsd.net> <CAB8uncY%2BQKx%2BzxYjP600PAJ=37JtiUO-nf4%2BBTNsCyBfbwOYmA@mail.gmail.com>
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--yy6aphc4abzehn5e Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Jul 04, 2016 at 02:51:46PM +0800, Huang Wen Hui wrote: > 2016-07-04 14:41 GMT+08:00 Baptiste Daroussin <bapt@freebsd.org>: >=20 > > 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@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=3Dzh_CN.UTF-8 > > > > and > > > > > LC_ALL=3Dzh_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@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 chine= se > > > > characters? > > > > > > > Yes, the directory contain Chinese characters. > > > > > > > > > > > Is it only happening when you run ls with some arguments (in partic= ular > > > > -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=3Dzh_CN.UTF-8 LC_COLLATE=3DC ls -l > > > > And tell me if it still happen? > > > No problem with this command. >=20 Ok so there might be an very inefficient code in the new chinese collation = code I will look into it thanks a lot for reporting. Best regards, Bapt --yy6aphc4abzehn5e Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJXegpgAAoJEGOJi9zxtz5asn0QAMTj6knx2Bx7s8ZCC1s+Rxum w2ZK6Jga4WPFHR0oYuMDMiLtOaODtN7g2CWl/ifaA4xPdj70caCmfP4IF4VajQWT RQJTHpGesOyD/SAiq1MQKpW5C+6izQZgKQl637IlpLZ+dmQLpk3ZgXUy7LceYDAx jQGgkI5zMJINa/pzKny2Yjfxee0ILVKTzfnF7gtgQzGwBLp8JzN+a5pBTJQ3ESOD V4aW297MQbcgBvwpYkIgMymKrTOxtxtW6M35sm2hPYTGH6+0RY5YSDVloD6/sJvt hxVfgCnF8zemDq6Kv/YvF+Rs+9+qUw1kl3MkoLhCyzdJi6np0lPIx9jHo6qnA+Bw lXnSSn2LPAOgxne2EeFiVwIa4tEYZ5vEsFHZcMY1qWYkUDn2cdPpfuhpW0Ow2SDO OuSJcSuZlitqSnTVeU52C1KAxco6njEhYoU+DtIevnuS88VgIIlYzk2Zh65VS136 F5TqoIKJzkVeTxAoCnA3bQdXaUqWTNcTGicZmcF/w4Sfiq/hGBUF5IGTaQLJQ0WE c3XEKQ5wtwQkfJFG7746lGG+t4M1+xYj1SmLa6UqMBiyVfKr4xadu1uSQU006tVJ k/Pwqmf8ZS3BCLqj+9IOP5O6wLSaTRCMuobRXCFfF5daE1rmkaIj7bZdfhXe87tl gQaKsU3e/q/OPm8uehmU =bu+P -----END PGP SIGNATURE----- --yy6aphc4abzehn5e--
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