DataEngine update speed

[Aaron J. Seigo]

On Sunday, August 14, 2011 06:25:57 Weng Xuetian wrote:
> Hi Plasma World,I have wrote a DataEngine to sync with a very frequently
> updated textsource (say nearly 10 times a second), currently I'm using
> aPlasma.IconWidget to show the text, but I found that the update of
> text cannot catch up the updated speed.

first, sources in DataEngines are limited to 20 updates per second. but that's 
twice as fast as your 10 times / second, so shouldn't be an issue.

most likely it is simply that the painting is too slow.

try to do some performance measurements in the code to see where the slow down 
is.

-- 
Aaron J. Seigo
humru othro a kohnu se
GPG Fingerprint: 8B8B 2209 0C6F 7C47 B1EA  EE75 D6B7 2EB1 A7F1 DB43

KDE core developer sponsored by Qt Development Frameworks
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