[mythtv-users] Is the Digital Future bleak?

jason maxwell decepticon at gmail.com
Wed Jun 6 02:46:38 UTC 2007


> So what CPU usage do you get at normal playback?  What about at 1.25 and
> > 1.5 and 1.75?  Mine goes well over 100% of one core before 1.5x (usually
> > around 1.35 or so), and since the decoding is not multithreaded, causes
> > prebuffering pauses.
> >
> > So here's the relevant output from top while playing back NHL in HD
> timestretched at 2x while realtime commflagging 2 other recordings
> simultaneously. It looks like I'm crunching the box, another gig of ram
> wouldnt hurt, but the playback is perfectly smooth.
>

 top - 22:21:11 up 26 days, 13:34,  3 users,  load average: 3.61, 2.14, 1.28
Tasks:  96 total,   4 running,  92 sleeping,   0 stopped,   0 zombie
Cpu(s): 57.9%us,  2.0%sy, 31.9%ni,  5.7%id,  0.7%wa,  0.5%hi,  1.3%si,
0.0%st
Mem:   1026988k total,  1017508k used,     9480k free,     4060k buffers
Swap:  1951888k total,   405540k used,  1546348k free,   434796k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+
COMMAND
26721 mason     15   0  570m 224m 112m S  106 22.4  56:38.40 mythfrontend
31584 root      32  17  301m 165m  18m R   56 16.5   8:27.29 mythcommflag
26656 root      15   0  440m 227m  96m S   13 22.6   7:22.58 Xorg
31579 root      32  17  176m  53m  18m R    8  5.3   1:36.45 mythcommflag
17673 root      15   0  433m  29m 8652 S    2  2.9  32:55.02 mythbackend
31615 root      15   0 10632 1304  960 R    0  0.1   0:00.01 top
    1 root      18   0  2736  348  280 S    0  0.0   0:01.26 init

Let me know if you want to see any details of my configuration.
-J
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