Reference Number: 327043-001
133
Intel® Xeon® Processor E5-2600 Product Family Uncore Performance Monitoring
DataC_(FEIMS)_Cmp
0010
DRS
Data Response in (FEIMS) state, Complete
NOTE: Set RDS field to specify which state is to be
measured.
- Supports getting data in E, F or I state
DataC_(FEIMS)_FrcAckC
nflt
0001
DRS
Data Response in (FEIMS) state, Force Acknowledge
NOTE: Set RDS field to specify which state is to be
measured.
- Supports getting data in E, F or I state
DataNc
0011
DRS
Uo
Non-Coherent Data
DebugData
1111
NCB
Debug Data
EvctCln
0110
HOM0
Clean cache line eviction notification to home agent.
FERR
0011
NCS
Legacy floating point error indication from CPU to legacy
bridge
FrcAckCnlft
1001
NDR
All snoop responses gathered, force an AckCnflt
Gnt_Cmp
0000
NDR
Signal completion and Grant E state ownership without
data to an InvItoE or ‘null data’ to an InvXtoI
Gnt_FrcAckCnflt
0001
NDR
Signal FrcAckCnflt and Grant E state ownership without
data to an InvItoE or ‘null data’ to an InvXtoI
IntAck
0001
NCS
Interrupt acknowledge to legacy 8259 interrupt controller
IntLogical
1001
NCB
Ui, Uo
Logical mode interrupt to processor
IntPhysical
1010
NCB
Ui, Uo
Physical mode interrupt to processor
IntPrioUpd
1011
NCB
Ui, Uo
Interrupt priority update message to source interrupt
agents.
InvItoE
1000
HOM0
Invalidate to E state requests exclusive ownership of a
cache line without data.
InvXtoI
0101
HOM0
Flush a cache line from all caches (that is, downgrade all
clean copies to I and cause any dirty copy to be written
back to memory).
NcCfgRd
0101
NCS
Ui
Configuration read from configuration space
NcCfgWr
1001
NCS
Ui
Configuration write to configuration space
NcIORd
0111
NCS
Read from legacy I/O space
NcIOWr
1011
NCS
Write to legacy I/O space
NcMsgB
1000
NCB
Ui, Uo
Non-coherent Message (non-coherent bypass channel)
NcMsgS
1100
NCS
Ui, Uo
Non-coherent Message (Non-coherent standard channel)
NcP2PB
1110
NCB
Peer-to-peer transaction between I/O entities (non-
coherent bypass channel)
NcP2PS
1101
NCS
Peer-to-peer transaction between I/O entities. (Non-
coherent standard channel)
NcRd
0000
NCS
Ui
Read from non-coherent memory mapped I/O space
NcRdPtl
0100
NCS
Ui
Partial read from non-coherent memory mapped I/O
space
NcWr
0000
NCB
Write to non-coherent memory mapped I/O space
NcWrPtl
1100
NCB
Ui
Partial write to non-coherent memory mapped I/O space
NonSnpRd
0011
HOM0
Non-Snoop (uncached) read
NonSnpWr
0111
HOM0
Non-Snoop (uncached) write
NonSnpWrData
0111
DRS
Non cache coherent write data
NonSnpWrDataPtl
1011
DRS
Partial (byte-masked) non cache coherent write data
Table 2-144. Opcodes (Alphabetical Listing) (Sheet 2 of 4)
Name
Opc
MC
Gen
By?
Desc