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

/f-stack/freebsd/x86/x86/
H A Dtsc.c242 wrmsr(MSR_APERF, 0); in probe_tsc_freq()
244 if (rdmsr(MSR_MPERF) > 0 && rdmsr(MSR_APERF) > 0) in probe_tsc_freq()
H A Dcpu_machdep.c303 wrmsr(MSR_APERF, 0); in cpu_est_clockrate()
307 acnt = rdmsr(MSR_APERF); in cpu_est_clockrate()
/f-stack/freebsd/x86/include/
H A Dspecialreg.h548 #define MSR_APERF 0x0e8 macro