[mythtv-users] Questions about remote frontend...
MegaDeTH
megadeth at reefs.org
Fri Jul 11 15:07:59 EDT 2003
Drivers for X I would suspect, there's only a few things that'll push up
CPU usage when decoding, and your cpu is pretty high.
For reference, a 733mhz celeron with 64mb shared memory plays 4-6mbps at
25% usage average, I encode everything at 480x480 with a bitrate of
4.5mb - 6.5mb
With files encoded in divx, it only uses 10 % cpu, running 2.4.21 with
latency & preempt patches, windows manager is blackbox
From top, playing a mkvideo (bitrate of 1.8mbs) converted div-x the
xbox runs.....
36 processes: 34 sleeping, 2 running, 0 zombie, 0 stopped
CPU states: 8.6% user, 2.4% system, 0.0% nice, 89.0% idle
Mem: 58296K total, 56972K used, 1324K free, 1300K buffers
Swap: 262136K total, 13796K used, 248340K free, 20140K cached
PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME COMMAND
581 root 13 -11 38492 13M 4308 S < 4.5 23.7 0:08 XFree86
623 root 16 0 13628 13M 5132 R 4.3 23.3 0:05 mplayer
622 root 10 0 940 940 748 R 0.1 1.6 0:00 top
And here's a mpeg2 recorded show on the xbox ..
14:04:14 up 10 min, 1 user, load average: 0.12, 0.13, 0.07
39 processes: 37 sleeping, 2 running, 0 zombie, 0 stopped
CPU states: 27.7% user, 3.0% system, 0.0% nice, 69.3% idle
Mem: 58296K total, 56836K used, 1460K free, 784K buffers
Swap: 262136K total, 15008K used, 247128K free, 20476K cached
PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME COMMAND
627 root 20 0 34716 32M 17484 R 26.3 56.8 0:04 mythfrontend
628 root 9 0 34716 32M 17484 S 1.7 56.8 0:00 mythfrontend
611 root 9 0 1504 1268 1172 S 0.3 2.1 0:00 sshd
Calvin Gorriaran wrote:
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>Last night I setup my remote frontend. I figured that a 933mhz P3 w/ 768mb ram would be plenty
>enough. I was getting a lot of jitters and CPU usage was up to 70%. This is running across 100mbit
>ethernet connection and Xv is working. Running Redhat 9.0 w/ kernel 2.4.21 and latest CVS of mythtv.
>Any suggestions on what I could do to locate the bottleneck?
>
>
>Calvin
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