Specific Swap Usage

Kostik Belousov kostikbel at gmail.com
Thu Feb 28 14:37:53 UTC 2008


On Thu, Feb 28, 2008 at 02:43:12PM +0100, Miroslav Lachman wrote:
> Arne Schwabe wrote:
> >Hi,
> >
> >is there any way to look what programs are swapped out and how much 
> >memory they use? Looking at SIZE in top is just a wild guess. One server 
> >here grows in swap usage and panics eventuelly when all swap is usage. 
> >Swap usage is growing slowly (100 MB /week ) but it is growing and see 
> >no way to get what really uses swap :( (Read man ps three times already :/)
> 
> AFAIK swapped processes in top are shown in lt + gt signs (braces):
>  1382 root         1   5    0  1380K     0K ttyin    0:00  0.00% <getty>
> 
> from `man top`
> COMMAND is the name of the command that the process is currently 
> running (if the process is swapped out, this column is marked "<swapped>").
> 
> In `ps` output in column state: W - The process is swapped out.
> 
> You can get a list of swapped processes by this command:
> ps auxwww | awk '$8 ~ /.W.*/ { print $0}'
> 
> (tested on FreeBSD 6.2 & FreeBSD 7.0)

Swapped process very much means swapped out kernel stack only.
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