Re: How to read the TCP congestion window (cwnd) on Linux?

Linux Advanced Routing and Traffic Control

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On Mon, 02 May 2005 19:22:17 +0200
Antonio Pinizzotto <antonio.pinizzotto@xxxxxxxxxx> wrote:

> 
> Hi everybody.
> Do you know about any way to read the TCP cwnd value (congestion window) 
> on Linux?
> 
> I have read that on Linux it is not possible to enable a socket option 
> (to read to cwnd using the program trpt).
> 
> Any way to read the cwnd would be good for me.
> 
> thanks
> 
> Antonio

I whipped together a hack using kprobe's to get graphs for TCP testing.
You can download it from http://developer.osdl.org/shemminger/prototypes/tcpprobe.tar.gz
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