[mythtv-users] very high CPU Load

[Florian Zierer]

Hi all,

I have mythtv 0.11 running at my P4 2GHz and the cpu load is sometimes very 
high.

It's 100% while recording or live tv. While watching a recording it's only 
10%.

there are two processes running, which take all cpu.
here is what top says

Tasks:  99 total,   3 running,  96 sleeping,   0 stopped,   0 zombie
Cpu(s): 70.7% us, 28.0% sy,  0.0% ni,  0.0% id,  0.0% wa,  1.0% hi,  0.3% si
Mem:    775040k total,   770312k used,     4728k free,    38300k buffers
Swap:   489972k total,        0k used,   489972k free,   562208k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND           
 8646 root      25   0 89464  42m  27m R 42.9  5.6   0:09.98 mythbackend       
 8648 root      25   0 89464  42m  27m R 40.5  5.6   0:09.98 mythbackend       
 8649 florian   15   0 74036  43m  37m S 10.0  5.7   0:02.45 mythfrontend      
 5514 root      15   0  308m  48m 278m S  2.7  6.4   1:02.35 XFree86           
 8645 root       5 -10 89464  42m  27m S  1.0  5.6   0:00.44 mythbackend       
  520 root      15   0  9916 2080 5092 S  0.7  0.3   0:31.72 nxtvepg   


2 days ago i tried startin mythtv at boot time via /etc/init.d/myth-backend 
(from the debian packages)
Then the load was this high. After that i killed mythbackend and started it 
manually. The load was only at 40% or so.

Today i tried again, and now the load is always at 100% even if i start 
mythbackend directly.

Does anybody know where my problem is?

I'm recording with 480x480 MPeg, but with RTJPEG its the same.

Thx
Flo