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authoravg <avg@FreeBSD.org>2010-11-19 15:07:36 +0000
committeravg <avg@FreeBSD.org>2010-11-19 15:07:36 +0000
commitf91dfaab21d850a29ba6230ceebe002ba41ba6b3 (patch)
tree840d941f782b412d822926c0bbf1dd0f86f1172b /sys/kern/subr_hints.c
parentd7d1ad6e2675a599ed942c52159adfb25829751e (diff)
downloadFreeBSD-src-f91dfaab21d850a29ba6230ceebe002ba41ba6b3.zip
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specialreg.h: add definitions for MPERF/APERF pair of MSRs
These MSRs can be used to determine actual (average) performance as compared to a maximum defined performance. Availability of these MSRs is indicated by bit0 in CPUID.6.ECX on both Intel and AMD processors. MFC after: 5 days
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