[mythtv-users] Excessive CPU usage with 27.5 x64 Fedora?

[John Pilkington]

On 07/05/14 20:24, Jim wrote:
> On 5/7/2014 2:57 PM, Another Sillyname wrote:
>> I've just upgraded to 27.5 on a Mythfrontend Fedora x64 box and
>> something seems to have got broken, previous version has run happily
>> on this machine for about a year with 3-4 month yum updates.
>>
>> I noticed that when a recording or video ended the 'return' to menu
>> screen was not snappy and sometimes it would only partially return
>> (i.e. The last frame from the video would take up the majority of the
>> screen with a 'box' where you could see the part of the menu screen
>> visible, however the behaviour was inconsistent).
>>
>> So I've taken that machine out of production to do some analysis.....
>>
>> Clean Boot
>>
>> Start HTOP in a Terminal Session
>>
>> Start mythfrontend in a seperate Terminal Session
>>
>> Library-->  Recordings -->  Select just one recording....Play
>> recording for say 10 seconds.
>>
>> Exit out of recording..back to recordings selection menu
>>
>> Select HTOP Terminal Session to see what's happening
>>
>> mythfrontend has saturated all 4 cores on a quad core box at 100% and
>> just sits there eat CPU cycles even though mythfrontend isn't doing
>> anything 'active'.
>>
>> Screengrab here
>>
>> http://postimg.org/image/pl3eywb2j/
>>
>> Ideas/Thoughts/Suggestions?

> Looks like you have 19 mythfrontends running??

I see high CPU load on F19 x64 while playing DVB-T radio recordings, but 
it stops on exit from the recording;  I only keep the audio anyway, so 
it isn't a big problem for me.

http://www.gossamer-threads.com/lists/mythtv/users/565222#565222