35-164 Vol. 3C
MODEL-SPECIFIC REGISTERS (MSRS)
21
Reserved
22
Enable counting
63:23
Reserved.
395H
917
MSR_UNC_PERF_FIXED_
CTR
Package
Uncore fixed counter
47:0
Current count
63:48
Reserved.
396H
918
MSR_UNC_CBO_CONFIG
Package
Uncore C-Box configuration information (R/O)
3:0
Report the number of C-Box units with performance counters,
including processor cores and processor graphics“
63:4
Reserved.
3B0H
946
MSR_UNC_ARB_PERFCTR0
Package
Uncore Arb unit, performance counter 0
3B1H
947
MSR_UNC_ARB_PERFCTR1
Package
Uncore Arb unit, performance counter 1
3B2H
944
MSR_UNC_ARB_
PERFEVTSEL0
Package
Uncore Arb unit, counter 0 event select MSR
3B3H
945
MSR_UNC_ARB_
PERFEVTSEL1
Package
Uncore Arb unit, counter 1 event select MSR
700H
1792
MSR_UNC_CBO_0_
PERFEVTSEL0
Package
Uncore C-Box 0, counter 0 event select MSR
701H
1793
MSR_UNC_CBO_0_
PERFEVTSEL1
Package
Uncore C-Box 0, counter 1 event select MSR
702H
1794
MSR_UNC_CBO_0_
PERFEVTSEL2
Package
Uncore C-Box 0, counter 2 event select MSR.
703H
1795
MSR_UNC_CBO_0_
PERFEVTSEL3
Package
Uncore C-Box 0, counter 3 event select MSR.
705H
1797
MSR_UNC_CBO_0_UNIT_
STATUS
Package
Uncore C-Box 0, unit status for counter 0-3
706H
1798
MSR_UNC_CBO_0_PERFCTR0
Package
Uncore C-Box 0, performance counter 0
707H
1799
MSR_UNC_CBO_0_PERFCTR1
Package
Uncore C-Box 0, performance counter 1
708H
1800
MSR_UNC_CBO_0_PERFCTR2
Package
Uncore C-Box 0, performance counter 2.
709H
1801
MSR_UNC_CBO_0_PERFCTR3
Package
Uncore C-Box 0, performance counter 3.
710H
1808
MSR_UNC_CBO_1_
PERFEVTSEL0
Package
Uncore C-Box 1, counter 0 event select MSR
711H
1809
MSR_UNC_CBO_1_
PERFEVTSEL1
Package
Uncore C-Box 1, counter 1 event select MSR
712H
1810
MSR_UNC_CBO_1_
PERFEVTSEL2
Package
Uncore C-Box 1, counter 2 event select MSR.
713H
1811
MSR_UNC_CBO_1_
PERFEVTSEL3
Package
Uncore C-Box 1, counter 3 event select MSR.
Table 35-20. Uncore PMU MSRs Supported by 2nd Generation Intel® Core™ Processors
Register
Address
Register Name
Scope
Bit Description
Hex
Dec