proced-process-tree
proced-process-tree is a compiled Lisp function in `proced.el
'.
(proced-process-tree PROCESS-ALIST)
Return process tree for PROCESS-ALIST.
It is an alist of alists where the car of each alist is a parent process
and the cdr is a list of child processes according to the ppid attribute
of these processes.
The process tree inherits the sorting order of PROCESS-ALIST.