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Input pausesInput pausesPosted Sep 4, 2009 4:09 UTC (Fri) by ncm (subscriber, #165)In reply to: Con Kolivas returns with a new scheduler by charris Parent article: Con Kolivas returns with a new scheduler
I see input-event stalls for up to six seconds in Firefox (Debian Iceweasel, actually), routinely. To get it I just have to leave it running for a week or so, with a few dozen pages, some of which self-update.
I doubt the scheduler would help; during those six seconds, one CPU is pegged at 100%. This is with nothing swapped. I suspect it's doing a garbage collection scan during each pause. I'd welcome suggestions for how to discover what's going on.
Google Chrome is coming along too slowly.
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Input pauses Posted Sep 4, 2009 4:32 UTC (Fri) by jzbiciak (✭ supporter ✭, #5246) [Link]
I know Firefox's stalls are Firefox's fault, not the Linux scheduler's. I was begging Con to do interactivity work on Firefox. ;-)
(As in, contribute to the Mozilla team.)
Input pauses Posted Sep 4, 2009 8:17 UTC (Fri) by Cato (subscriber, #7643) [Link]
I've had these pauses for several seconds sometimes in Firefox 3.5.2, but they seem to be associated with large writes e.g. un-tarring a huge file at the same time - so I suspect it's the well known "Firefox 3.0 + ext3 + fsync" issue, reported in http://lwn.net/Articles/284126/ and elsewhere.
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