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List:       kwin
Subject:    [Bug 242979] opening the desktop effects kcm causes high CPU usage
From:       Thomas Lübking  <thomas.luebking () web ! de>
Date:       2010-06-28 12:22:48
Message-ID: 20100628122248.DF7CE470B9 () immanuel ! kde ! org
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https://bugs.kde.org/show_bug.cgi?id=242979





--- Comment #1 from Thomas Lübking <thomas luebking web de>  2010-06-28 14:22:46 ---
as long as you don't enter an infinte loop, a stackdump is hardly helpful
regarding performance issues.

first you need to determine which process causes the cpu load (top, could be
induced by the kcm but occur in X11 or -through compositing- kwin)

then you have to profile it (try sysprof) to get some usable numbers

last: the dump ends in some style painting. you might want to try "kcmshell4
kwincompositing --style cde" to quick-check whether the style is the culprit
(but as mentioned, this cannot be really read of of a stackdump)

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