Date: Wed, 25 Jul 2012 11:47:29 +0100 From: Anton Shterenlikht <mexas@bristol.ac.uk> To: Matthias Andree <mandree@freebsd.org> Cc: freebsd-ports@freebsd.org Subject: Re: mutt 1.5 much slower than mutt 1.4 Message-ID: <20120725104729.GA92090@mech-cluster241.men.bris.ac.uk> In-Reply-To: <500F0CF7.4040209@FreeBSD.org> References: <20120724171842.GA47545@mech-cluster241.men.bris.ac.uk> <500F0CF7.4040209@FreeBSD.org>
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On Tue, Jul 24, 2012 at 11:00:39PM +0200, Matthias Andree wrote: > Am 24.07.2012 19:18, schrieb Anton Shterenlikht: > > mail/mutt is much slower on my amd64 and ia64 > > -current boxes after it was updated from 1.4 > > to 1.5. Each keystroke takes few seconds to > > act. Below is my mutt 1.5 config: > ... > > > Anybody else is seeing this behaviour? > > Not here™ on amd64 9-stable -- which may have little relevance for > 10-current. > > > Any advice? > > Any chance to figure out what mutt is doing, like with truss or similar? I'll need to read up on this. > > Is debugging turned on; was mutt built WITH_DEBUG=yes? yes, I just rebuilt with this set. > > Is the lag CPU-bound (near 100% CPU) and if yes, in system or in user > space, or is the lag IO-bound (near 100% wait)? This is on ia64 r237134 For example, when I type "mutt", then "c" and choose a folder, I get: -- Mutt: Directory [~/Mail], File mask: !^\.[^.] Sorting mailbox... which goes for over 50 sec. At the same time I see in top: PID UID THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND 92075 1001 1 22 0 24248K 21384K biowr 0 0:02 3.08% mutt The same on quitting "q" (about 40 sec): PID UID THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND 92075 1001 1 21 0 24248K 21384K biowr 1 0:03 2.20% mutt > > Can you verify the header cache databases, or move them away just for > the sake of the experiment? sorry, I don't know what you mean here. > > Does it help if you "make clean" before building world? This has cured > strance effects on occasions in -STABLE (RELENG_[6-9]) branches for me. Well, I might do this later, if no other clue emerges. -- Anton Shterenlikht Room 2.6, Queen's Building Mech Eng Dept Bristol University University Walk, Bristol BS8 1TR, UK Tel: +44 (0)117 331 5944 Fax: +44 (0)117 929 4423
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