From owner-freebsd-stable@freebsd.org Thu Sep 10 19:21:43 2015 Return-Path: Delivered-To: freebsd-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 76035A00FA0 for ; Thu, 10 Sep 2015 19:21:43 +0000 (UTC) (envelope-from eugen@eg.sd.rdtc.ru) Received: from hz.grosbein.net (hz.grosbein.net [78.47.246.247]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "hz.grosbein.net", Issuer "hz.grosbein.net" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 0792C1596 for ; Thu, 10 Sep 2015 19:21:41 +0000 (UTC) (envelope-from eugen@eg.sd.rdtc.ru) Received: from eg.sd.rdtc.ru (root@eg.sd.rdtc.ru [62.231.161.221]) by hz.grosbein.net (8.14.9/8.14.9) with ESMTP id t8AJKAR7060052 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Thu, 10 Sep 2015 21:20:11 +0200 (CEST) (envelope-from eugen@eg.sd.rdtc.ru) X-Envelope-From: eugen@eg.sd.rdtc.ru X-Envelope-To: la5lbtyi@aon.at Received: from eg.sd.rdtc.ru (eugen@localhost [127.0.0.1]) by eg.sd.rdtc.ru (8.15.2/8.15.2) with ESMTPS id t8AJK41S018684 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 11 Sep 2015 02:20:04 +0700 (KRAT) (envelope-from eugen@eg.sd.rdtc.ru) Received: (from eugen@localhost) by eg.sd.rdtc.ru (8.15.2/8.15.2/Submit) id t8AJK4Mv018649; Fri, 11 Sep 2015 02:20:04 +0700 (KRAT) (envelope-from eugen) Date: Fri, 11 Sep 2015 02:20:04 +0700 From: Eugene Grosbein To: Martin Birgmeier Cc: freebsd-stable@freebsd.org Subject: Re: file(1) command very slow Message-ID: <20150910192004.GA95721@rdtc.ru> References: <55EAAD8D.9020902@aon.at> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <55EAAD8D.9020902@aon.at> User-Agent: Mutt/1.5.23 (2014-03-12) X-Spam-Status: No, score=0.3 required=5.0 tests=BAYES_00,LOCAL_FROM, T_RP_MATCHES_RCVD autolearn=no version=3.3.2 X-Spam-Report: * -0.0 T_RP_MATCHES_RCVD Envelope sender domain matches handover relay * domain * -2.3 BAYES_00 BODY: Bayes spam probability is 0 to 1% * [score: 0.0000] * 2.6 LOCAL_FROM From my domains X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on hz.grosbein.net X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 10 Sep 2015 19:21:43 -0000 On Sat, Sep 05, 2015 at 10:53:33AM +0200, Martin Birgmeier wrote: > Running the file(1) command on a 7 MB text file takes much longer in > 10.2 than in 10.1. > > Example: > > # ll /tmp/x6 > -rw-r--r-- 1 root wheel 7384414 Sep 5 10:30 /tmp/x6 > # file /tmp/x6 > /tmp/x6: ASCII text > file /tmp/x6 26.12s user 0.00s system 99% cpu 26.237 total > # > > I have this on all my machines since installing 10.2. > > Any ideas on what is wrong? I've found the change to libmagic that brought this. Please try temporary workaround if you have sources installed: cd /tmp fetch http://www.grosbein.net/file/patch-softmagic.c cd /usr/src/contrib/file patch -R < /tmp/patch-softmagic.c cd /usr/src/lib/libmagic make obj clean depend && make all install Eugene Grosbein