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Searched refs:mperf (Results 1 – 2 of 2) sorted by relevance

/haiku/src/add-ons/kernel/power/cpufreq/intel_pstates/
H A Dintel_pstates.cpp78 uint64 mperf = x86_read_msr(IA32_MSR_MPERF); in measure_pstate() local
83 if (mperf == 0 || mperf == entry->fPrevMperf) in measure_pstate()
87 / (mperf - entry->fPrevMperf); in measure_pstate()
90 entry->fPrevMperf = mperf; in measure_pstate()
/haiku/src/system/kernel/arch/x86/
H A Darch_system_info.cpp161 uint64 mperf = gCPU[cpu].arch.mperf_prev; in get_frequency_for() local
166 if (mperf2 == mperf) in get_frequency_for()
169 *frequency = (aperf2 - aperf) * sCPUClockSpeed / (mperf2 - mperf); in get_frequency_for()