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
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