Provided by: systemtap-doc_2.3-1ubuntu1.4_all 

NAME
function::proc_mem_data_pid - Program data size (data + stack) in pages
SYNOPSIS
proc_mem_data_pid:long(pid:long)
ARGUMENTS
pid
The pid of process to examine
DESCRIPTION
Returns the given process data size (data + stack) in pages, or zero when the process doesn't exist or
the number of pages couldn't be retrieved.
SystemTap Tapset Reference March 2016 FUNCTION::PROC_MEM_D(3stap)