19 static mut TSC_KHZ: u64 = 0;
20 static mut CPU_KHZ: u64 = 0;
23     const DEFAULT_THRESHOLD: u64 = 0x20000;
103     fn calibrate_cpu_by_pit_hpet_ptimer() -> Result<u64, SystemError> {  in calibrate_cpu_by_pit_hpet_ptimer()
110         let mut tsc_pit_min = u64::MAX;  in calibrate_cpu_by_pit_hpet_ptimer()
111         let mut tsc_ref_min = u64::MAX;  in calibrate_cpu_by_pit_hpet_ptimer()
134             let tsc_pit_khz = Self::pit_calibrate_tsc(latch, ms, loopmin).unwrap_or(u64::MAX);  in calibrate_cpu_by_pit_hpet_ptimer()
151             if tsc1 == u64::MAX || tsc2 == u64::MAX {  in calibrate_cpu_by_pit_hpet_ptimer()
180             if i == 1 && tsc_pit_min == u64::MAX {  in calibrate_cpu_by_pit_hpet_ptimer()
187         if tsc_pit_min == u64::MAX {  in calibrate_cpu_by_pit_hpet_ptimer()
196             if tsc_ref_min == u64::MAX {  in calibrate_cpu_by_pit_hpet_ptimer()
215         if tsc_ref_min == u64::MAX {  in calibrate_cpu_by_pit_hpet_ptimer()
238     fn pit_calibrate_tsc(latch: u64, ms: u64, loopmin: u64) -> Option<u64> {  in pit_calibrate_tsc()  argument
263         let mut tsc = CurrentTimeArch::get_cycles() as u64;  in pit_calibrate_tsc()
268         let mut tscmin = u64::MAX;  in pit_calibrate_tsc()
270             t2 = CurrentTimeArch::get_cycles() as u64;  in pit_calibrate_tsc()
308     fn read_refs(hpet_enabled: bool) -> (u64, u64) {  in read_refs()  argument
317             let t1 = CurrentTimeArch::get_cycles() as u64;  in read_refs()
321                 ref_ret = acpi_pm_read_early() as u64;  in read_refs()
323             let t2 = CurrentTimeArch::get_cycles() as u64;  in read_refs()
330         return (u64::MAX, ref_ret);  in read_refs()
336     fn calc_hpet_ref(mut deltatsc: u64, ref1: u64, mut ref2: u64) -> u64 {  in calc_hpet_ref()  argument
352     fn calc_pmtimer_ref(mut deltatsc: u64, ref1: u64, mut ref2: u64) -> u64 {  in calc_pmtimer_ref()  argument
354             return u64::MAX;  in calc_pmtimer_ref()
372     pub fn tsc_khz() -> u64 {  in tsc_khz()
376     pub fn cpu_khz() -> u64 {  in cpu_khz()
380     fn set_cpu_khz(khz: u64) {  in set_cpu_khz()  argument
386     fn set_tsc_khz(khz: u64) {  in set_tsc_khz()  argument