35 unsigned int __read_mostly tsc_khz;  variable
36 EXPORT_SYMBOL(tsc_khz);
183 	__set_cyc2ns_scale(tsc_khz, smp_processor_id(), rdtsc());  in cyc2ns_init_boot_cpu()
312 	u64 thresh = tsc_khz ? tsc_khz >> 5 : TSC_DEFAULT_THRESHOLD;  in tsc_read_refs()
898 	tsc_khz = x86_platform.calibrate_tsc();  in recalibrate_cpu_khz()
899 	if (tsc_khz == 0)  in recalibrate_cpu_khz()
900 		tsc_khz = cpu_khz;  in recalibrate_cpu_khz()
901 	else if (abs(cpu_khz - tsc_khz) * 10 > tsc_khz)  in recalibrate_cpu_khz()
902 		cpu_khz = tsc_khz;  in recalibrate_cpu_khz()
988 		tsc_khz_ref = tsc_khz;  in time_cpufreq_notifier()
996 		tsc_khz = cpufreq_scale(tsc_khz_ref, ref_freq, freq->new);  in time_cpufreq_notifier()
1000 		set_cyc2ns_scale(tsc_khz, freq->policy->cpu, rdtsc());  in time_cpufreq_notifier()
1262 	res = art_ns * tsc_khz;  in convert_art_ns_to_tsc()
1263 	tmp = rem * tsc_khz;  in convert_art_ns_to_tsc()
1337 	if (abs(tsc_khz - freq) > tsc_khz/100)  in tsc_refine_calibration_work()
1340 	tsc_khz = freq;  in tsc_refine_calibration_work()
1342 		(unsigned long)tsc_khz / 1000,  in tsc_refine_calibration_work()
1343 		(unsigned long)tsc_khz % 1000);  in tsc_refine_calibration_work()
1350 		set_cyc2ns_scale(tsc_khz, cpu, tsc_stop);  in tsc_refine_calibration_work()
1358 	clocksource_register_khz(&clocksource_tsc, tsc_khz);  in tsc_refine_calibration_work()
1366 	if (!boot_cpu_has(X86_FEATURE_TSC) || !tsc_khz)  in init_tsc_clocksource()
1385 		clocksource_register_khz(&clocksource_tsc, tsc_khz);  in init_tsc_clocksource()
1403 	WARN_ON(cpu_khz || tsc_khz);  in determine_cpu_tsc_frequencies()
1407 		tsc_khz = x86_platform.calibrate_tsc();  in determine_cpu_tsc_frequencies()
1419 	if (tsc_khz == 0)  in determine_cpu_tsc_frequencies()
1420 		tsc_khz = cpu_khz;  in determine_cpu_tsc_frequencies()
1421 	else if (abs(cpu_khz - tsc_khz) * 10 > tsc_khz)  in determine_cpu_tsc_frequencies()
1422 		cpu_khz = tsc_khz;  in determine_cpu_tsc_frequencies()
1424 	if (tsc_khz == 0)  in determine_cpu_tsc_frequencies()
1431 	if (cpu_khz != tsc_khz) {  in determine_cpu_tsc_frequencies()
1433 			(unsigned long)tsc_khz / KHZ,  in determine_cpu_tsc_frequencies()
1434 			(unsigned long)tsc_khz % KHZ);  in determine_cpu_tsc_frequencies()
1441 	u64 lpj = (u64)tsc_khz * KHZ;  in get_loops_per_jiffy()
1483 	if (!tsc_khz) {  in tsc_init()
1511 	clocksource_register_khz(&clocksource_tsc_early, tsc_khz);  in tsc_init()