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memory issue about x-windows in Linux


 
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lq37
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Joined: 04 Oct 2009
Posts: 97

PostPosted: Tue Aug 01, 2017 4:38 pm    Post subject:
memory issue about x-windows in Linux
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Hi,
I know it is not an osg problem. Just want to know anyone here may met the same problem.
We use reahat linux 6.5 to run our osg app .The desktop is kde4.3.4. .
After 7 to 20 days,we found the X-windows Process (X) suddenly took all of system's memory ,and force linux to kill the process itself ,which result to force the redhat back to it's login windows.
I have observe both the osg and X problem every single day,it seems every stable ,not any trace of memory leak problem.Then just one short moment,the X process suddenly eats up all system memory .
My question is what the link between osg and x-windows?Is it because our app has some memory leak problem to make the X process eat up too many memory ?Because the osg and and x-windows seems share the same display resource.It means when osg's frame is low,the X-windows performance seems low with the osg.
Or just the X process cause the problem only due to itself?


...

Thank you!

Cheers,
Lv
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Alberto Luaces
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PostPosted: Thu Aug 03, 2017 1:15 pm    Post subject:
memory issue about x-windows in Linux
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"Lv Qing" writes:

Quote:
Hi,
I know it is not be an osg problem. Just want to know anyone here may met the same problem.
We use reahat linux 6.5 to run our osg app .The desktop is kde4.3.4. .
After 7 to 20 days,we found the X-windows Process (X) suddenly took all of system's memory ,and force linux to kill the process itself ,which result to force the redhat back to it's login windows.
I have observe both the osg and X problem every single day,it seems every stable ,not any trace of memory leak problem.Then just one short moment,the X process suddenly eats up all system memory .
My question is what the link with osg and x-windows?Is it because our app has some memory leak problem to make the X process eat up too many memory ?
Or just the X process cause the problem only due to itself?

Hi, Lv:

many parts of the system could be to blame, but I think that you can
start with some easy tests:

- Use valgrind's massif tool to or the new heaptrack
(https://github.com/KDE/heaptrack). Since yours is a long-running
process, I would recommend the later, as it is lighter and faster.

- Try to run the program with a different GPU brand to rule out driver
issues.

Hope that helps,

--
Alberto



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