[Bug 6936] eMule uses 40% CPU when idle permanently, independent of CPU speed

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=6936





--- Comment #26 from Anastasius Focht <focht at gmx.net>  2007-11-28 04:10:00 ---
Hello again,

another option would be to use a newer emule version (> 0.47c).
I fetched the 0.48a source code just to look at the usual MFC brain damage and
it seems they improved the idle processing situation a bit (in my opinion not
enough).
By filtering a specific amount of WM_TIMER to prevent idle processing overkill,
the generated CPU load is reduced by a few points.

If you don't want to use a newer version because you have own modded/hacked
emule version, you can of course "backport" the changes.
Look for CemuleApp::IsIdleMessage, only a few source lines.
Though I would recommend trimming idle handling a bit more aggressively. 

Lastly you could filter WM_KICKIDLE in wine by yourself and "eat" a specific
amount using diff ticks to enforce a specific idle message rate.
Though I wouldn't really recommend this change because its somewhat intrusive
and might break other applications.

Regards


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