Provided by: systemtap-doc_2.9-2ubuntu2_all 

NAME
probe::softirq.entry - Execution of handler for a pending softirq starting
SYNOPSIS
softirq.entry
VALUES
vec
softirq_action vector
vec_nr
softirq vector number
action
pointer to softirq handler just about to execute
h
struct softirq_action* for current pending softirq
SEE ALSO
tapset::irq(3stap)
SystemTap Tapset Reference April 2016 PROBE::SOFTIRQ.ENT(3stap)