From kde-devel  Tue Jul 14 19:37:52 2009
From: Boudewijn Rempt <boud () valdyas ! org>
Date: Tue, 14 Jul 2009 19:37:52 +0000
To: kde-devel
Subject: Re: KDE4 is a memory hog
Message-Id: <200907142137.52990.boud () valdyas ! org>
X-MARC-Message: https://marc.info/?l=kde-devel&m=124760074824755

On Tuesday 14 July 2009, Thiago Macieira wrote:

> Depends on what it's trying to parse.

I would guess only kwordrc -- but I haven't investigated deeply. There were a 
number of easier targets inside KOffice itself, but once I had disabled those 
plugins, kconfig seemed to stand out.

> I've tried massif on Dolphin here and the biggest hogs are the font stuff
> (freetype, fontconfig and harfbuzz), followed by QIODevice's internal
> buffers (sockets and kDebug) and painter caches.
>
> The largest block (20-25%), however, is from small allocations, between
> 1500 and 2000 of them. Those allocations average 1000 to 1200 bytes.
>
> Running massif at the standard threshold (1%) will limit the display to
> allocations over 50 kB or more. You need to run with a lower threshold to
> see the bunch of small stuff.

I will try that again. But I'd like to kill the big offenders first :-)

-- 
Boudewijn Rempt | http://www.valdyas.org
 
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