Re: bin/164081: sockstat not reporting all open sockets

The following reply was made to PR bin/164081; it has been noted by GNATS.

From: Jim Pirzyk <pirzyk@FreeBSD.org>
To: Jilles Tjoelker <jilles@stack.nl>
Cc: bug-followup@FreeBSD.org
Subject: Re: bin/164081: sockstat not reporting all open sockets
Date: Tue, 17 Jan 2012 08:13:59 -0500

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 So maybe in light of that, we should change this ticket to update the =
 man page to document this case too?

 - - JimP

 On Jan 13, 2012, at 7:03 PM, Jilles Tjoelker wrote:

 >> [netstat reports sockets that sockstat does not]
 >=20
 > The sockstat utility checks all file descriptors open by all processes
 > looking for sockets, while netstat shows all kernel-level sockets. =
 This
 > may mismatch in many ways: a process may have closed its descriptor =
 but
 > TCP still needs to maintain some state like TIME_WAIT (as mentioned in
 > the sockstat(1) man page), multiple descriptors may exist for a single
 > socket and kernel code (like nlockmgr) may use the socket(9) API
 > directly so there is no descriptor. However, any socket file =
 descriptor
 > shown by sockstat must correspond to a kernel-level socket shown by
 > netstat.
 >=20
 > This does appear to be intended, although it is surprising and not
 > documented very well.
 >=20
 > --=20
 > Jilles Tjoelker

 - --- @(#) $Id: dot.signature,v 1.15 2007/12/27 15:06:13 pirzyk Exp $
     __o  jim@pirzyk.org =
 --------------------------------------------------
  _'\<,_
 (*)/ (*) I'd rather be out biking.

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