[Gllug] cpu percentage increasing

[salsaman]

salsaman wrote:

> 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.
>

OK, the application seems to have topped out at 97.6 % CPU according to 
"ps", although "top" now shows it using 99.9% !
What I am also seeing now is that "top" is showing me the amount of free 
memory decreasing - it's now under 30MB.
None of the applications in "ps" seem to be leaking memory. Where is 
this memory going ?

Gabriel.

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