DOKK / manpages / debian 10 / systemtap-doc / probe::tcpmib.RetransSegs.3stap.en
PROBE::TCPMIB.RETR(3stap) SNMP Information Tapset PROBE::TCPMIB.RETR(3stap)

probe::tcpmib.RetransSegs - Count the retransmission of a TCP segment

tcpmib.RetransSegs

op

value to be added to the counter (default value of 1)

sk

pointer to the struct sock being acted on

The packet pointed to by skb is filtered by the function tcpmib_filter_key. If the packet passes the filter is is counted in the global RetransSegs (equivalent to SNMP's MIB TCP_MIB_RETRANSSEGS)

tapset::tcpmib(3stap)

October 2018 SystemTap Tapset Reference