CREDIT_PER_NS      58 samples/bpf/hbm_kern.h #define CREDIT_PER_NS(delta, rate) ((((u64)(delta)) * (rate)) >> 20)
CREDIT_PER_NS      46 tools/testing/selftests/bpf/progs/test_spin_lock.c #define CREDIT_PER_NS(delta, rate) (((delta) * rate) >> 20)