ref_stop 1294 arch/x86/kernel/tsc.c u64 tsc_stop, ref_stop, delta; ref_stop 1319 arch/x86/kernel/tsc.c tsc_stop = tsc_read_refs(&ref_stop, hpet); ref_stop 1322 arch/x86/kernel/tsc.c if (ref_start == ref_stop) ref_stop 1332 arch/x86/kernel/tsc.c freq = calc_hpet_ref(delta, ref_start, ref_stop); ref_stop 1334 arch/x86/kernel/tsc.c freq = calc_pmtimer_ref(delta, ref_start, ref_stop);