The Blog of Ben Rockwood

DTrace IP Provider

22 Jul '08 - 01:43 by benr

Recently introduced (snv_92) is the first piece of the DTrace Network Providers, the DTrace IP Provider. Here is a taste:

root@ultra include$ dtrace -qn 'ip:ip:*:receive{ printf("Packet recieved from %s: %d byte packetn", args[2]->ip_saddr, args[4]->ipv4_length ); }'
Packet recieved from 74.125.15.85: 40 byte packet
Packet recieved from 74.125.15.85: 40 byte packet
Packet recieved from 8.11.47.20: 88 byte packet
Packet recieved from 8.11.47.20: 216 byte packet
Packet recieved from 8.11.47.20: 200 byte packet
Packet recieved from 8.11.47.20: 136 byte packet
Packet recieved from 8.11.47.20: 104 byte packet
^C

Pretty soon snoop and tcpdump will be nothing more than unpleasant memories. :)

A big thank you to the DTrace Team!!!

- - C O M M E N T S - -
There is nothing unpleasant about the wonderfulness that is tcpdump! You’ll need to put a lot of work in to match tcpdump’s usefulness with Dtrace…

Adrian Bool (Email) - 22 July '08 - 09:27

Greetings everyone. I’m new here and it seems fascinating.

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annesky (Email) (URL) - 22 July '08 - 12:14

It’s nice to see someone at Joyent still blogging.

It’s as though Joyent has just disappeared in the last few months.

Tim (Email) - 22 July '08 - 13:58

thanks for this one liner, like it makes me think DTrace is definitely worth the deal

JC Vandonghen (Email) (URL) - 22 July '08 - 20:02

Hi people. I’m new to the site and wanted to say hi.

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A big thank you to the DTrace Team!!!

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