lkml.org 
[lkml]   [2005]   [Jul]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: How do you accurately determine a process' RAM usage?
P@draigBrady.com wrote:
>
> I wrote a tool to report how much RAM a
> particular program (apache for e.g.) was using:
> http://www.pixelbeat.org/scripts/ps_mem.py
>
> I was then pointed at the following:
> http://wiki.apache.org/spamassassin/TopSharedMemoryBug
> which describes how copy-on-write pages are
> not counted as shared since 2.6.
>
> So how can one determine how much RAM a process is using?
> Seems like a fundamental requirement to me.
> Could we add a "SharedTotal" column to /proc/$$/statm for e.g. ?

Calculating this stuff accurately is very expensive. You'll get a better
answer using proc-pid-smaps.patch from -mm, but even that won't tell you
things about sharing levels of the pages.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-07-07 03:25    [W:0.066 / U:0.168 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site