[Bug 109943]

[Vseerror]

there is also activity manager.

<Archaeopteryx>	wsm: seem like it starts here: http://mxr.mozilla.org/comm-central/source/mail/components/activity/modules/autosync.js#283
<Archaeopteryx>	and onProgressChange gets called too much: http://mxr.mozilla.org/comm-central/source/mail/components/activity/content/activity.xml#485
<wsm>	Archaeopteryx: see also https://bugzilla.mozilla.org/show_bug.cgi?id=742697#c14
<firebot>	Bug 742697 nor, --, ---, acelists, NEW, SMTP connection progress bar causes high CPU usage
<wsm>	how do you know it is called too much?
<Archaeopteryx>	just a guess because i see no throtteling code. autsync's comment says it want to prevent event overflow, but it don't see bundling messaes per account at http://mxr.mozilla.org/comm-central/source/mail/components/activity/modules/autosync.js#249 which calls setProgress. you could verify with logging enabled, onDownloadStarted logs in the first lines

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Title:
  Thunderbird: high CPU usage from progress bars

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