[Gllug] cpu percentage increasing

[salsaman]

salsaman wrote:

> salsaman wrote:
>
>> Hi all,
>> I have a question about a curious thing. I have a desktop system 
>> (dual AMD 64) which is basically running one app - a video 
>> application. I have it sitting there displaying two video clips, 
>> applying and effect an mixing them.
>>
>> What I see in ps is quite strange. The app starts at about 90% CPU 
>> usage, but slowly over time the usage goes up.
>> Right now after about 8 hours, the usage is up to 97.6 %. Yet it's 
>> just doing the same task over and over.
>>
>> I've had (and fixed) problems with memory leakage before, but "CPU 
>> leakage" is a new one to me ! Is this normal, and if not what could 
>> be causing it ?
>>
>> Gabriel.
>>
> Here is the first few lines from "top":
>
> top - 18:40:09 up 10:04,  3 users,  load average: 1.21, 1.16, 1.10
> Tasks:  69 total,   3 running,  65 sleeping,   0 stopped,   1 zombie
> Cpu(s): 42.3% us,  8.0% sy,  0.0% ni, 49.7% id,  0.0% wa,  0.0% hi,  
> 0.0% si
> Mem:   1026928k total,  1014852k used,    12076k free,   151696k buffers
> Swap:  1028120k total,     2568k used,  1025552k free,   688460k cached
>
>  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
> 27736 foo        16   0  159m  29m  10m R 96.6  2.9 526:04.15 bar
> 3062 root       15   0 79636  36m 7108 S  4.0  3.6  20:15.99 X
> 27809 foo        17   0 35604 1764 1348 S  0.7  0.2   1:17.95 jackd
>
> Gabriel.
>

BTW, it also seems strange to me that so much memory is being used. The 
main application "bar" is using around 150M, and X is using around 200M. 
The rest of the system amounts to maybe 100M.

Can anyone explain these oddities ?

Gabriel.

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