Date: Sat, 5 Oct 2002 11:09:23 +0200 From: Alexander Leidinger <Alexander@Leidinger.net> To: Matthew Dillon <dillon@apollo.backplane.com> Cc: current@FreeBSD.ORG Subject: Re: Meaning of net.inet.tcp.inflight_debug output? Message-ID: <20021005110923.0c9d9a68.Alexander@Leidinger.net> In-Reply-To: <200210041834.g94IYkBR003033@apollo.backplane.com> References: <20021004135022.3decb56f.Alexander@Leidinger.net> <200210041834.g94IYkBR003033@apollo.backplane.com>
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On Fri, 4 Oct 2002 11:34:46 -0700 (PDT)
Matthew Dillon <dillon@apollo.backplane.com> wrote:
> When you turn the debugging on it will print out various
> parameters used to calculate the bandwidth window. The higher the
> debug value, the more often it prints out the stats (assuming a
> TCP is under load). Since the stats may reflect any tcp connection
> you typically only do this while running a single TCP connection
> under heavy load.
So shouldn't it be off by default?
> rttbest and srtt are scaled to hz * 32, I believe (I'm not
> positive). So with the default 100 hz it would be scaled to 3200,
> so an rttbest of 680 would translate to 212mS. Sounds like a
> connection over a modem.
On my side there's a DSL line (768k up / 128k down), I don't know what
was on the other side for this particular example.
Bye,
Alexander.
--
The best things in life are free, but the
expensive ones are still worth a look.
http://www.Leidinger.net Alexander @ Leidinger.net
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