IBS_RANDOM_BITS    73 arch/x86/oprofile/op_model_amd.c #define IBS_RANDOM_MASK			((1ULL << IBS_RANDOM_BITS) - 1)
IBS_RANDOM_BITS    74 arch/x86/oprofile/op_model_amd.c #define IBS_RANDOM_MAXCNT_OFFSET	(1ULL << (IBS_RANDOM_BITS - 5))