From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 22 Feb 2016 16:34:41 +0100 From: tlaronde@polynum.com To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net> Message-ID: <20160222153441.GB2923@polynum.com> References: <20160222150546.GA2988@polynum.com> <7d38e04221ef6aa3c0db54c931414930@proxima.alt.za> MIME-Version: 1.0 In-Reply-To: <7d38e04221ef6aa3c0db54c931414930@proxima.alt.za> User-Agent: Mutt/1.5.24 (2015-08-30) Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Subject: Re: [9fans] rtl8169 gbe slow Topicbox-Message-UUID: 87bbf7ec-ead9-11e9-9d60-3106f5b1d025 On Mon, Feb 22, 2016 at 05:19:04PM +0200, lucio@proxima.alt.za wrote: > > I have hence to ask the provider if there is something, > > in their configuration, that could explain this > > If you can run NetBSD at the same time as Plan 9, you could also use > tcpdump (whatever its current impersonation) to monitor the link. > It's been a long time since I last did that, but it may be revealing. > I will have to snoopy and tcpdump as a last resort to try to have a clue. Just looking at the numbers, it's like Plan9 only assembling packets in order (1500 bytes every latency time), and reasking for packet n+1 after receiving packet n, whatever packets being received in the mean time. But I'm out of my depth: I'm not a TCP/IP expert. -- Thierry Laronde http://www.kergis.com/ http://www.arts-po.fr/ Key fingerprint = 0FF7 E906 FBAF FE95 FD89 250D 52B1 AE95 6006 F40C