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

/freebsd-12-stable/sys/x86/x86/
Dtsc.c245 wrmsr(MSR_APERF, 0); in probe_tsc_freq()
247 if (rdmsr(MSR_MPERF) > 0 && rdmsr(MSR_APERF) > 0) in probe_tsc_freq()
Dcpu_machdep.c308 wrmsr(MSR_APERF, 0); in cpu_est_clockrate()
312 acnt = rdmsr(MSR_APERF); in cpu_est_clockrate()
/freebsd-12-stable/sys/x86/include/
Dspecialreg.h518 #define MSR_APERF 0x0e8 macro