tag	line	file	source code
PROC_PID_STAT	519	fs/proc/array.c	case PROC_PID_STAT:
PROC_PID_STAT	63	fs/proc/base.c	{ PROC_PID_STAT,  4, "stat" },
PROC_PID_STAT	164	fs/proc/inode.c	case PROC_PID_STAT: