aperf_delta        41 arch/x86/kernel/cpu/aperfmperf.c 	u64 aperf, aperf_delta;
aperf_delta        51 arch/x86/kernel/cpu/aperfmperf.c 	aperf_delta = aperf - s->aperf;
aperf_delta        64 arch/x86/kernel/cpu/aperfmperf.c 	s->khz = div64_u64((cpu_khz * aperf_delta), mperf_delta);