[webkit-qt] Excessive timer usage results in 100% CPU usage

İsmail Dönmez ismail at namtrac.org
Fri Mar 26 05:14:52 PDT 2010


On Fri, Mar 26, 2010 at 1:32 PM, Holger Freyther <zecke at selfish.org> wrote:

> On Friday 26 March 2010 12:20:40 İsmail Dönmez wrote:
> > On Fri, Mar 26, 2010 at 1:19 PM, Holger Freyther <zecke at selfish.org>
> wrote:
> > > On Friday 26 March 2010 12:05:30 İsmail Dönmez wrote:
> > > > Btw the best way to reproduce this is to go to
> http://www.cnnturk.com
> > >
> > > So all timers come from scheduling loads?
> >
> > I think so, at least for cnnturk.com. For the wikipedia page I have no
> > idea, but the timers are going crazy at cnnturk.com
>
> Could you enable debugging in WebCore/loader/loader.cpp? Just define
> REQUEST_DEBUG to one and it should print the queue of requests. Is this
> ever
> getting empty? Right now my take would be that someone is starting more
> network jobs than you can handle...
>

I see debug output like:

HOST cdn1.cnnturk.com COUNT 1 LOADING http://
HOST cdn1.cnnturk.com COUNT 2 LOADING http://
HOST cdn1.cnnturk.com COUNT 3 LOADING http://
HOST cdn1.cnnturk.com COUNT 4 LOADING http://
HOST cdn1.cnnturk.com COUNT 5 LOADING http://
HOST cdn1.cnnturk.com COUNT 6 LOADING http://
HOST cdn1.cnnturk.com COUNT 7 LOADING http://
HOST cdn1.cnnturk.com COUNT 8 LOADING http://

Does that give you any idea about the problem?

Thanks.
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