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Searched refs:cpu_khz (Results 1 - 25 of 37) sorted by relevance

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/kernel/linux/linux-5.10/arch/x86/kernel/
H A Dtsc.c32 unsigned int __read_mostly cpu_khz; /* TSC clocks / usec, not used here */ variable
33 EXPORT_SYMBOL(cpu_khz); variable
97 * ns = cycles * (10^9 / (cpu_khz * 10^3))
98 * ns = cycles * (10^6 / cpu_khz)
101 * ns = cycles * (10^6 * SC / cpu_khz) / SC
899 unsigned long cpu_khz_old = cpu_khz; in recalibrate_cpu_khz()
904 cpu_khz = x86_platform.calibrate_cpu(); in recalibrate_cpu_khz()
907 tsc_khz = cpu_khz; in recalibrate_cpu_khz()
908 else if (abs(cpu_khz - tsc_khz) * 10 > tsc_khz) in recalibrate_cpu_khz()
909 cpu_khz in recalibrate_cpu_khz()
[all...]
/kernel/linux/linux-6.6/arch/x86/kernel/
H A Dtsc.c33 unsigned int __read_mostly cpu_khz; /* TSC clocks / usec, not used here */ variable
34 EXPORT_SYMBOL(cpu_khz); variable
104 * ns = cycles * (10^9 / (cpu_khz * 10^3))
105 * ns = cycles * (10^6 / cpu_khz)
108 * ns = cycles * (10^6 * SC / cpu_khz) / SC
936 unsigned long cpu_khz_old = cpu_khz; in recalibrate_cpu_khz()
941 cpu_khz = x86_platform.calibrate_cpu(); in recalibrate_cpu_khz()
944 tsc_khz = cpu_khz; in recalibrate_cpu_khz()
945 else if (abs(cpu_khz - tsc_khz) * 10 > tsc_khz) in recalibrate_cpu_khz()
946 cpu_khz in recalibrate_cpu_khz()
[all...]
/kernel/linux/linux-5.10/arch/x86/kernel/cpu/
H A Daperfmperf.c64 s->khz = div64_u64((cpu_khz * aperf_delta), mperf_delta); in aperfmperf_snapshot_khz()
83 if (!cpu_khz) in aperfmperf_get_khz()
102 if (!cpu_khz) in arch_freq_prepare_all()
121 if (!cpu_khz) in arch_freq_get_on_cpu()
H A Dproc.c92 freq = cpu_khz; in show_cpuinfo()
/kernel/linux/linux-5.10/drivers/cpufreq/
H A Dsa1110-cpufreq.c143 sdram_calculate_timing(struct sdram_info *sd, u_int cpu_khz, in sdram_calculate_timing() argument
148 mem_khz = cpu_khz / 2; in sdram_calculate_timing()
213 sdram_update_refresh(u_int cpu_khz, struct sdram_params *sdram) in sdram_update_refresh() argument
216 u_int dri = ns_to_cycles(ns_row, cpu_khz / 2) / 32; in sdram_update_refresh()
H A Dlongrun.c199 *high_freq = (cpu_khz / 1000); in longrun_determine_freqs()
235 ebx = (((cpu_khz / 1000) * ecx) / 100); /* to MHz */ in longrun_determine_freqs()
H A Dcpufreq-nforce2.c324 if (!cpu_khz) { in nforce2_cpu_init()
325 pr_warn("cpu_khz not set, can't calculate multiplier!\n"); in nforce2_cpu_init()
329 fid = cpu_khz / (fsb * 100); in nforce2_cpu_init()
H A Dgx-suspmod.c53 * - fix cpu_khz calc when it stops cpu modulation.
123 /* PCI bus clock - defaults to 30.000 if cpu_khz is not available */
408 else if (cpu_khz) in cpufreq_gx_cpu_init()
409 maxfreq = cpu_khz; in cpufreq_gx_cpu_init()
H A Dpowernow-k6.c163 khz = cpu_khz; in powernow_k6_cpu_init()
H A Dspeedstep-lib.c187 return cpu_khz; in pentium4_get_frequency()
H A De_powersaver.c284 fsb = cpu_khz / current_multiplier; in eps_cpu_init()
H A Dacpi-cpufreq.c499 if (cpu_khz) { in acpi_cpufreq_guess_freq()
500 /* search the closest match to cpu_khz */ in acpi_cpufreq_guess_freq()
508 if ((2 * cpu_khz) > (freqn + freq)) { in acpi_cpufreq_guess_freq()
/kernel/linux/linux-6.6/drivers/cpufreq/
H A Dsa1110-cpufreq.c143 sdram_calculate_timing(struct sdram_info *sd, u_int cpu_khz, in sdram_calculate_timing() argument
148 mem_khz = cpu_khz / 2; in sdram_calculate_timing()
213 sdram_update_refresh(u_int cpu_khz, struct sdram_params *sdram) in sdram_update_refresh() argument
216 u_int dri = ns_to_cycles(ns_row, cpu_khz / 2) / 32; in sdram_update_refresh()
H A Dcpufreq-nforce2.c324 if (!cpu_khz) { in nforce2_cpu_init()
325 pr_warn("cpu_khz not set, can't calculate multiplier!\n"); in nforce2_cpu_init()
329 fid = cpu_khz / (fsb * 100); in nforce2_cpu_init()
H A Dlongrun.c199 *high_freq = (cpu_khz / 1000); in longrun_determine_freqs()
235 ebx = (((cpu_khz / 1000) * ecx) / 100); /* to MHz */ in longrun_determine_freqs()
H A Dgx-suspmod.c53 * - fix cpu_khz calc when it stops cpu modulation.
123 /* PCI bus clock - defaults to 30.000 if cpu_khz is not available */
408 else if (cpu_khz) in cpufreq_gx_cpu_init()
409 maxfreq = cpu_khz; in cpufreq_gx_cpu_init()
H A Dpowernow-k6.c163 khz = cpu_khz; in powernow_k6_cpu_init()
H A Dspeedstep-lib.c187 return cpu_khz; in pentium4_get_frequency()
H A De_powersaver.c284 fsb = cpu_khz / current_multiplier; in eps_cpu_init()
/kernel/linux/linux-5.10/arch/x86/include/asm/
H A Dtsc.h16 extern unsigned int cpu_khz;
/kernel/linux/linux-6.6/arch/x86/include/asm/
H A Dtsc.h16 extern unsigned int cpu_khz;
/kernel/linux/linux-5.10/arch/x86/kernel/apic/
H A Dhw_nmi.c27 return (u64)(cpu_khz) * 1000 * watchdog_thresh; in hw_nmi_get_sample_period()
/kernel/linux/linux-6.6/arch/x86/kernel/apic/
H A Dhw_nmi.c29 return (u64)(cpu_khz) * 1000 * watchdog_thresh; in hw_nmi_get_sample_period()
/kernel/linux/linux-6.6/arch/x86/kernel/cpu/
H A Daperfmperf.c438 return div64_u64((cpu_khz * acnt), mcnt); in arch_freq_get_on_cpu()
442 return freq ? freq : cpu_khz; in arch_freq_get_on_cpu()
/kernel/linux/linux-5.10/drivers/oprofile/
H A Dnmi_timer_int.c122 period = (u64)cpu_khz * 1000; in nmi_timer_setup()

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