Date: Wed, 29 Aug 2007 14:39:57 +0100 (BST) From: Robert Watson <rwatson@FreeBSD.org> To: Igor Sysoev <is@rambler-co.ru> Cc: freebsd-net <freebsd-net@freebsd.org>, d@delphij.net, hshh <hunreal@gmail.com> Subject: Re: Add socket related statistics to netstat(1)? Message-ID: <20070829143627.M35010@fledge.watson.org> In-Reply-To: <20070829133444.GH80424@rambler-co.ru> References: <46D516D9.4050007@delphij.net> <20070829133444.GH80424@rambler-co.ru>
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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... 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/ > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" >
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