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Date:      Wed, 29 Aug 2007 11:59:06 -0400
From:      Gary Palmer <gpalmer@freebsd.org>
To:        Robert Watson <rwatson@FreeBSD.org>
Cc:        freebsd-net <freebsd-net@freebsd.org>, Igor Sysoev <is@rambler-co.ru>, d@delphij.net, hshh <hunreal@gmail.com>
Subject:   Re: Add socket related statistics to netstat(1)?
Message-ID:  <20070829155906.GC970@in-addr.com>
In-Reply-To: <20070829143627.M35010@fledge.watson.org>
References:  <46D516D9.4050007@delphij.net> <20070829133444.GH80424@rambler-co.ru> <20070829143627.M35010@fledge.watson.org>

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On Wed, Aug 29, 2007 at 02:39:57PM +0100, Robert Watson wrote:
> 
> On Wed, 29 Aug 2007, Igor Sysoev wrote:
> 
> >On Wed, Aug 29, 2007 at 02:48:57PM +0800, LI Xin wrote:
> >
> >>Here is a proof-of-concept patch that adds sockets related statistics to 
> >>netstat(1)'s -m option, which could make SA's life easier.  Inspired by a 
> >>local user's suggestion.
> >>
> >>Comments?
> >
> >I think socket info should be groupped together:
> 
> The netstat -m output is getting quite cluttered these days, isn't it.  I 
> wonder if we should be laying it out a bit more consistently, perhaps 
> something like:
> 
> 		   current   cache    total    max
> mbufs		   2407      1058     3465     -
> mbuf clusters      1117      797      1914     98304
> mbufs + clusters   1117      90       -        -
> 4k jumbo clusters  761       417      1178     0
> ...
> 
> It's less compact but possibly quite a bit more readable...

We'll need to leave the old format there for a while as there are probably
quite a few programs depending on the old format out there.  Maybe add
-mh which has the user-friendly format Robert suggested? (the 'h' for
"Human friendly")

Gary

> Robert N M Watson
> Computer Laboratory
> University of Cambridge
> 
> >
> >2407/1058/3465 mbufs in use (current/cache/total)
> >1117/797/1914/98304 mbuf clusters in use (current/cache/total/max)
> >1117/90 mbuf+clusters out of packet secondary zone in use (current/cache)
> >761/417/1178/0 4k (page size) jumbo clusters in use 
> >(current/cache/total/max)
> >0/0/0/0 9k jumbo clusters in use (current/cache/total/max)
> >0/0/0/0 16k jumbo clusters in use (current/cache/total/max)
> >5879K/3526K/9406K bytes allocated to network (current/cache/total)
> >0/0/0 requests for mbufs denied (mbufs/clusters/mbuf+clusters)
> >0/0/0 requests for jumbo clusters denied (4k/9k/16k)
> >15333/15537/30870/204800 socket UMA in use (current/cache/total/max)
> >5929K bytes allocated to socket
> >0 request for socket UMA denied
> >104/264/6656 sfbufs in use (current/peak/max)
> >0 requests for sfbufs denied
> >0 requests for sfbufs delayed
> >135834 requests for I/O initiated by sendfile
> >0 calls to protocol drain routines
> >
> >Second, I think socket memory calculation should include
> >tcpcb, udpcb, inpcb, unpcb and probably tcptw items.
> >
> >
> >-- 
> >Igor Sysoev
> >http://sysoev.ru/en/
> >_______________________________________________
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> >http://lists.freebsd.org/mailman/listinfo/freebsd-net
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> >
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> 



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