Provided by:
systemtap-doc_0.0.20090214-1ubuntu1_all 
NAME
probe_signal.sys_tkill - Fires when <command>tkill</command> sends a
kill signal
SYNOPSIS
probe signal.sys_tkill
VALUES
sig
The specific signal sent to the process The
<command>tkill</command> call is analogous to
<command>kill(2)</command>, except that it also allows a process
within a specific thread group to be targetted. Such processes are
targetted through their unique thread IDs (TID).
pid
The PID of the process receiving the kill signal
DESCRIPTION
to a process that is part of a thread group
AUTHOR
William Cohen <wcohen@redhat.com>