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 hereā„ 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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