[mythtv-users] 100% CPU usage in Watch Recordings

[David Asher]

On Oct 21, 2009, at 12:11 AM, Michael T. Dean wrote:

> On 10/20/2009 11:04 PM, David Asher wrote:
>> Is anyone else seeing this?  When I'm in Watch Recordings or Watch  
>> Videos screen my CPU usage (via top) is 100%.
>>
>> This is a Zotac single core ION using Graphite on trunk r22497  
>> (JYA's trunk repo).  I've tried both 185.36 drivers and 190.40  
>> drivers (again from JYA's repo) with the same results.  It does NOT  
>> happen with the Mythbuntu-wide theme.
>>
>> When I'm at the upper level menu items CPU usage is around 15%, but  
>> as soon as I enter Watch Recordings or Watch Videos, the CPU usage  
>> goes to 100% and stays there.  Not surprisingly movement is  
>> sluggish while in these screens.  Note that this is AFTER all  
>> previews/fanart/etc has been masked and cached locally -- its even  
>> worse while they are brought over.
>>
>> I attached gdb to the process and the threads all look roughly the  
>> same between the 15% and 100% usage except for Thread 1, which  
>> appears to always be drawing something (see backtrace below).
>>
>> Any ideas?  Is this expected?
>
> Yes, this is the expected behavior.  Some themes require more  
> resources than others.  If your system isn't powerful enough to keep  
> up with the theme you've chosen, you should choose a different theme  
> that uses fewer resources.

It is expected that while sitting doing nothing in Watch Recordings to  
utilize 100% CPU ?

The only thing going on is the alphapulse of the "All Programs"  
button...