use the debug player, right click and show redraw regions... I had a similar problems with some animated hidden swfs eating app cpu cycles by constantly animating / redrawing even thought they where visible=false
On Wed, May 27, 2009 at 3:04 AM, Rick Winscot <rick.wins...@zyche.com>wrote: > > > How often are you calling invalidateDisplayList()? Are you using effects, > filters, or skins – and if so... to what extent. Is there data involved? > What kind and how much? Are the components custom? If so... can you post > some code for us to look at? > > Obviously, all we can do is ‘stab in the dark’ and hope to hit something > that resonates. The best would be to post some code for us to take a look > at. > > Rick Winscot > > > > > On 5/26/09 4:00 PM, "Tom McNeer" <tmcn...@gmail.com> wrote: > > > > > > > Hi, > > Can anyone direct me to resources on how to track/profile/explore CPU usage > in a Flex app? I've googled without any real success. > > In an app I'm developing, the CPU usage seemed to suddenly shoot up to near > 100%. Now, I'm sure that it didn't happen suddenly; I'm sure I just wasn't > paying attention. > > But there's nothing apparent going on that should create high usage -- no > video, no effects -- just some simple forms. I've spent the day commenting > out pieces to boil the app down to its essence, to try to see where this > problem is creeping in. > > But it seems to come from multiple components, all of which are fairly > simple forms, with some validations, some bindings to properties on an > object being edited -- pretty much, the usual stuff. > > Yet, I'm sitting here looking at the app, trimmed down to where only one of > these form elements exists within a tabNavigator, and I'm seeing almost 40% > usage with (apparently) nothing happening. > > There's no memory problem -- the profiler shows maybe 15Mb going to the > application. But the CPU is going crazy. > > I've tested on several machines, and the high CPU usage is consistent, > although, of course, the actual percentage varies. > > I don't expect an answer (though I'd love one); I'm just hoping for some > pointers on how to troubleshoot this. > > > -- Fotis Chatzinikos, Ph.D. Founder, Phinnovation fotis.chatzini...@gmail.com,
