On 04/05/2010 18:36, Nicolas Williams wrote:
On Sun, May 02, 2010 at 10:32:27AM +0100, Alan Maguire wrote:
tcp:::send

        TCP transmits a segment.

tcp:::receive

        TCP receives a segment.
I don't see probes for sending/receiving ACKs; I assume these two fire
even for packets that have no data.

They do indeed.
I also don't see a probe for a SYN being received (well, there's the
state change probe, so that's OK).
tcp:::send,receive fire for both data and control segments
(SYN/ACK/FIN). I've stated that explicitly in the DTrace wiki
tcp provider doc, but probably should have clarified it here too.
Thanks!

Alan
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