Provided by: systemtap-doc_2.9-2ubuntu2_all 

NAME
probe::signal.sys_tkill - Sending a kill signal to a thread
SYNOPSIS
signal.sys_tkill
VALUES
name
Name of the probe point
sig_name
A string representation of the signal
sig_pid
The PID of the process receiving the kill signal
task
A task handle to the signal recipient
sig
The specific signal sent to the process
pid_name
The name of the signal recipient
DESCRIPTION
The tkill call is analogous to kill(2), except that it also allows a process within a specific thread
group to be targeted. Such processes are targeted through their unique thread IDs (TID).
SEE ALSO
tapset::signal(3stap)
SystemTap Tapset Reference April 2016 PROBE::SIGNAL.SYS_(3stap)