DOKK / manpages / debian 10 / systemtap-doc / function::tcpmib_filter_key.3stap.en
FUNCTION::TCPMIB_FIL(3stap) SNMP Information Tapset FUNCTION::TCPMIB_FIL(3stap)

function::tcpmib_filter_key - Default filter function for tcpmib.* probes



    tcpmib_filter_key:long(sk:long,op:long)

sk

pointer to the struct sock being acted on

op

value to be counted if sk passes the filter

This function is a default filter function. The user can replace this function with their own. The user-supplied filter function returns an index key based on the values in sk. A return value of 0 means this particular sk should be not be counted.

tapset::tcpmib-filter-default(3stap)

October 2018 SystemTap Tapset Reference