Provided by: systemtap-doc_2.3-1ubuntu1_all bug

NAME

       function::pstrace - Chain of processes and pids back to init(1)

SYNOPSIS

           pstrace:string(task:long)

ARGUMENTS

       task
           Pointer to task struct of process

DESCRIPTION

       This function returns a string listing execname and pid for each process starting from
       task back to the process ancestor that init(1) spawned.