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/arch/x86/kernel/cpu/
A Daperfmperf.c435 u64 freq_scale, freq_ratio; in scale_freq_tick() local
451 freq_scale = div64_u64(acnt, mcnt); in scale_freq_tick()
452 if (!freq_scale) in scale_freq_tick()
455 if (freq_scale > SCHED_CAPACITY_SCALE) in scale_freq_tick()
456 freq_scale = SCHED_CAPACITY_SCALE; in scale_freq_tick()
458 this_cpu_write(arch_freq_scale, freq_scale); in scale_freq_tick()

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