Provided by: systemtap-doc_3.1-3ubuntu0.1_all 

NAME
function::task_backtrace - Hex backtrace of an arbitrary task
SYNOPSIS
task_backtrace:string(task:long)
ARGUMENTS
task
pointer to task_struct
DESCRIPTION
This function returns a string of hex addresses that are a backtrace of the stack of a particular task
Output may be truncated as per maximum string length. Deprecated in SystemTap 1.6.
SEE ALSO
tapset::context-unwind(3stap)
SystemTap Tapset Reference March 2016 FUNCTION::TASK_BACKT(3stap)