[mythtv] High load average, low CPU with Unichrome

Ivor Hewitt ivor at ivor.org
Mon Feb 14 19:18:41 UTC 2005


On Monday 14 Feb 2005 13:51, martin north wrote:
> i'm running v0.17 on EPIA-M6000 (gentoo, 2.6.9) with Unichrome v29. I'm
> seeing a healthy CPU load of about 40% but a high Load Average of between
> 1.5-2.0 during Live TV. This is the case with and without
> bob-deinterlacing.
>
An an M9000, I see:-

top - 19:14:24 up 2 days,  2:24,  2 users,  load average: 0.58, 0.33, 0.12
Tasks:  39 total,   1 running,  38 sleeping,   0 stopped,   0 zombie
Cpu(s): 18.8% us,  4.0% sy,  0.0% ni, 77.2% id,  0.0% wa,  0.0% hi,  0.0% si
Mem:    482288k total,   148240k used,   334048k free,    20680k buffers
Swap:   979956k total,        0k used,   979956k free,    49428k cached

Running DVB-T. But all code is compiled with debug.

> Anyone any suggestions as to what the CPU is waiting around for?? Is this
> 'normal' unichrome behaviour?? Apologies if this is more relevant to the
> unichrome lists... not sure if this is a myth or unichrome issue.
>

What video sync method are you using?
Have you got Xorg "EnableAGPDMA" enabled?

The unichrome driver will use 'slightly' more CPU than the old ddmpeg driver, 
but it shouldn't be a huge difference.

Cheers,

-- 
Ivor
http://www.ivor.it/goog - MSN Search unbiased?


More information about the mythtv-dev mailing list