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MSR_IA32_PERF_GLOBAL_INUSE_REGISTER Union Reference

Data Fields

struct {
   UINT32   IA32_PERFEVTSELn:32
 
   UINT32   IA32_FIXED_CTRn:31
 
   UINT32   PMI:1
 
Bits
 
UINT64 Uint64
 

Detailed Description

MSR information returned for MSR index MSR_IA32_PERF_GLOBAL_INUSE

Field Documentation

struct { ... } MSR_IA32_PERF_GLOBAL_INUSE_REGISTER::Bits

Individual bit fields

UINT32 MSR_IA32_PERF_GLOBAL_INUSE_REGISTER::IA32_FIXED_CTRn

[Bits 62:32] IA32_FIXED_CTRn in use. If CPUID.0AH: EAX[7:0] > n. Status bitmask. Only the first n-1 bits are valid. Bits 30:n are reserved.

UINT32 MSR_IA32_PERF_GLOBAL_INUSE_REGISTER::IA32_PERFEVTSELn

[Bits 31:0] IA32_PERFEVTSELn in use. If CPUID.0AH: EAX[7:0] > n. Status bitmask. Only the first n-1 bits are valid. Bits 31:n are reserved.

UINT32 MSR_IA32_PERF_GLOBAL_INUSE_REGISTER::PMI

[Bit 63] PMI in use.

UINT64 MSR_IA32_PERF_GLOBAL_INUSE_REGISTER::Uint64

All bit fields as a 64-bit value