[Vserver] Physical memory utilisation debugging

From: Herve Guillemet <hg_at_apteryx.fr>
Date: Thu 06 Apr 2006 - 13:02:56 BST
Message-ID: <Pine.LNX.4.64.0604061353300.8693@acer.convention.apteryx.fr>


What would you advice to assess the physical memory utilisations of
processes and vservers ?
The RSS column of ps, as well the vserver-stat does not take into
account the shared memory, due for instance to CoW between processes
inside the same vserver but also across vservers thanks to the unification.

I could stop/start services and vservers, and call "free" before and
after, make the difference. But is there a way more practical and more
precise ?

Is there a tool to get the map of the physical memory and how
each page is used (mapped to a process virtual space, kernel, etc...), or
a tool to compute the amount of shared memory between 2 (or more) processes ?
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Received on Thu Apr 6 13:03:05 2006

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