Re: Xorg: xserver using _a lot_ memory

[Andrew Haley <aph redhat com>]

Christoph Höger wrote:

> I am seeing this since a while, Xorg really sucks somewhere in memory
> management.
> 
> 16840 root      20   0  577m 250m  11m S  3.7 12.6  22:10.17 Xorg
> 
> xrestop:
> 
> 2200000    17    2    1   26 1013     6350K     25K   6375K   ?  
> 4e00000   222  514    1  452  460     4102K     29K   4132K 18030 
> 2000000   198   61    1   31   88     1510K      9K   1519K 17188 
> 1c00000    38   57    1   12   43     1334K      4K   1338K 17184 
> 0000000     2    0    2    0   79     1333K      3K   1337K   ?  
> 3a00000     0    0    0    1    0     1333K      0B   1333K   ?  
> 1a00000    32   39    0   18   81      104K      3K    108K 17295
> 5200000   154   85    1   54  112       60K      9K     69K 18033
> 
> So where did my memory go? And who of you guys has it? I want it back ;)
> 
> (and how do I make a valid bug report out of this? Is there a way to
> attach a tool like valgrind (not at that debug-level), to see where xorg
> looses it's memory?)

X caches memory on behalf of its clients.  Kill them, one by one, and you'll
probably find where the memory is going.

Andrew.