getting a list of open files versus PID nos.?

[Matthew Fleming]

On Wed, Dec 8, 2010 at 2:18 PM, Chuck Robey <chuckr at telenix.org> wrote:
> I think, *maybe* that I have located what's been giving me all of those
> machine lockups.  I was all ready to replace the mobo & cpu when I noticed a
> panic error of being out of open files.  The message suggested just adding
> the ability for more open files, but if it's what I think it is, that would
> only mean it would take longer to panic, but it would still be tossing
> panics at me.
>
> What I want to see is a list of all Pids and how many open files there are
> associated with each Pid?  And maybe a "ps ax" list, so I can associate an
> application with a pid.  I would set things up so it would do this every 15
> minutes, and it might just point me at my real problem here.
>
> Any idea what would be the best way to get a list of all openfiles versus
> each open pid?  I would be happy to write up a python script to give me
> application versus count of open files list, if I could start with that
> files versus pids thing.

This is what lsof is for.  I believe there's one in ports, but I have
never tried it.

Cheers,
matthew