[mythtv-users] laggy LiveTV and lag with internal player

Andres MacManaman at hot.ee
Thu Sep 20 17:26:48 UTC 2007


Tnx Craig,

vmstat shows that there is no heavy IO load on time the internal player
plays  movie :s

internal player:
vmsta
procs -----------memory---------- ---swap-- -----io---- --system--
-----cpu------
 r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy
id wa st
 0  0    152  57920  15472 378144    0    0    89    43  861 1328 13  3
83  1  0
 1  0    152  57424  15472 378144    0    0     0     0 1692 3010 35  4
60  0  0
 1  0    152  55688  15472 378144    0    0     0     0 1843 3419 37  2
62  0  0

top
Tasks: 129 total,   2 running, 127 sleeping,   0 stopped,   0 zombie
Cpu(s): 36.1%us,  5.0%sy,  0.0%ni, 58.9%id,  0.0%wa,  0.0%hi,  0.0%si, 
0.0%st
Mem:    902824k total,   854292k used,    48532k free,    16200k
buffers
Swap:  1835000k total,      152k used,  1834848k free,   378216k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND    
                                                               
 8130 mythtv    15   0  303m 148m  37m S   70 16.9  11:10.56
mythfrontend                                                            
  
 6669 root      15   0  262m  22m 9584 S    5  2.6   3:41.85 mythbackend
                                                               
 7040 root      15   0  157m 143m  15m S    5 16.3   4:27.85 Xorg  


mplayer:
procs -----------memory---------- ---swap-- -----io---- --system--
-----cpu------
 r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy
id wa st
 5  0    152 116516  15188 326228    0    0    87    43  860 1323 13  3
83  1  0
 4  0    152 116036  15200 326708    0    0   516    12 1925 3617 16  4
80  0  0

Tasks: 130 total,   1 running, 129 sleeping,   0 stopped,   0 zombie
Cpu(s): 15.9%us,  3.8%sy,  0.0%ni, 80.1%id,  0.0%wa,  0.2%hi,  0.0%si, 
0.0%st
Mem:    902824k total,   839496k used,    63328k free,    16412k
buffers
Swap:  1835000k total,      152k used,  1834848k free,   373108k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND    
                                                               
 8130 mythtv    15   0  232m 118m  27m S   18 13.5  11:25.23
mythfrontend                                                            
  
 8582 mythtv    15   0 56916  17m 7752 S   14  1.9   0:02.23 mplayer    
                                                               
 6669 root      16   0  262m  22m 9584 S    5  2.6   3:45.21 mythbackend
                                                               
 7040 root      15   0  152m 138m 9.9m S    3 15.7   4:31.78 Xorg 


andres

>My first suspicion would be that your system might be I/O bound.Check
to see what top reports while using the two >alternatives.  More advice
on I/O bound issues can be had from the archives.
> Craig.
> 
> -


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