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Searched refs:MSR_MPERF (Results 1 – 3 of 3) sorted by relevance

/freebsd/sys/x86/x86/
H A Dtsc.c446 wrmsr(MSR_MPERF, 0); in start_TSC()
449 if (rdmsr(MSR_MPERF) > 0 && rdmsr(MSR_APERF) > 0) in start_TSC()
H A Dcpu_machdep.c338 wrmsr(MSR_MPERF, 0); in cpu_est_clockrate()
342 mcnt = rdmsr(MSR_MPERF); in cpu_est_clockrate()
/freebsd/sys/x86/include/
H A Dspecialreg.h612 #define MSR_MPERF 0x0e7 macro