Re: [vserver] Virtualizsation of /proc/swaps

From: Herbert Poetzl <herbert_at_13thfloor.at>
Date: Fri 02 Oct 2009 - 03:26:04 BST
Message-ID: <20091002022604.GA2329@MAIL.13thfloor.at>

On Thu, Oct 01, 2009 at 07:51:03PM +0200, Cryptronic wrote:
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> Herbert Poetzl wrote:

> > i thought about the point when VIRT_MEM in cflags is set. So if you
> > read /proc/meminfo you get other informations than out of
> > /proc/swaps

> >> personally I would hide /proc/swaps on a guest, but my inquiry
> >> was more about what you would like to see there, as it doesn't
> >> make much sense to 'adapt' the existing data ... let me give you
> >> an example:

> >> # cat /proc/swaps Filename Type Size
> >> Used Priority /dev/sda3
> >> partition 257039
> > 30132 -1
> >> /dev/sdb3 partition 257039 0
> >> -2

> >> now let's assume, inside the guests A,B and C, we have 128M, 384M
> >> and 768M of swap defined ... what would the /proc/swaps entry
> >> look like in each of them?

> for example:

> # cat /proc/swaps
> Filename Type Size Used Priority
> /dev/hdv2 partition 128000 0 -1

> # cat /proc/swaps
> Filename Type Size Used Priority
> /dev/hdv2 partition 256000 0 -1

> # cat /proc/swaps
> Filename Type Size Used Priority
> /dev/hdv2 partition 768000 0 -1

> best regards
> >> TIA,

please test the following feature delta in different
scenarios and let me know how it does :)

http://vserver.13thfloor.at/ExperimentalT/delta-swaps-feat01.diff

best,
Herbert

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Received on Fri Oct 2 03:26:17 2009

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