tag	line	file	source code
CONFIG_PROFILE_SHIFT	127	fs/proc/array.c	unsigned long sample_step = 1 << CONFIG_PROFILE_SHIFT;
CONFIG_PROFILE_SHIFT	385	init/main.c	prof_len >>= CONFIG_PROFILE_SHIFT;
CONFIG_PROFILE_SHIFT	610	kernel/sched.c	eip >>= CONFIG_PROFILE_SHIFT;