Debugging kernel memory usage

nodata lsof at nodata.co.uk
Mon Mar 17 18:14:23 UTC 2008


Am Montag, den 17.03.2008, 16:10 +0100 schrieb Ralf Ertzinger:
> Hi.
> 
> I have a current rawhide system which (running Gnome, Firefox and Claws)
> uses 1.7 Gigs of RAM (+256MB in Swap, caches and buffers already subtracted).
> The system has 3 Gig, so that's not an immediate problem, but I'd sure like
> to know where all that memory has gone.
> 
> top shows no obvious offenders in the memory department, and I'm not
> really sure how to read /proc/{meminfo,slabinfo,zoneinfo}. Is there
> a webpage detailing how to find out how much memory the kernel uses
> for it's own purposes, possibly sorted by the module that allocated it?
> 

This might help you:
 http://bmaurer.blogspot.com/2006/03/memory-usage-with-smaps.html




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