Uncore Manual

Uncore Performance Monitoring
Intel® QPI Link Layer Performance Monitoring
140 Reference Number: 329468-002
RxL0_POWER_CYCLES 0x0f 0-3 0 1 Cycles in L0
RxL0P_POWER_CYCLES 0x10 0-3 0 1 Cycles in L0p
L1_POWER_CYCLES 0x12 0-3 0 1 Cycles in L1
DIRECT2CORE 0x13 0-3 0 1 Direct 2 Core Spawning
CLOCKTICKS 0x14 0-3 0 1 Number of qfclks
TxL_FLITS_G1 0x00 0-3 1 2 Flits Transferred - Group 1
TxL_FLITS_G2 0x01 0-3 1 2 Flits Transferred - Group 2
RxL_FLITS_G1 0x02 0-3 1 2 Flits Received - Group 1
RxL_FLITS_G2 0x03 0-3 1 2 Flits Received - Group 2
RxL_INSERTS_DRS 0x09 0-3 1 1 Rx Flit Buffer Allocations - DRS
RxL_INSERTS_NCB 0x0a 0-3 1 1 Rx Flit Buffer Allocations - NCB
RxL_INSERTS_NCS 0x0b 0-3 1 1 Rx Flit Buffer Allocations - NCS
RxL_INSERTS_HOM 0x0c 0-3 1 1 Rx Flit Buffer Allocations - HOM
RxL_INSERTS_SNP 0x0d 0-3 1 1 Rx Flit Buffer Allocations - SNP
RxL_INSERTS_NDR 0x0e 0-3 1 1 Rx Flit Buffer Allocations - NDR
RxL_OCCUPANCY_DRS 0x15 0-3 1 128 RxQ Occupancy - DRS
RxL_OCCUPANCY_NCB 0x16 0-3 1 128 RxQ Occupancy - NCB
RxL_OCCUPANCY_NCS 0x17 0-3 1 128 RxQ Occupancy - NCS
RxL_OCCUPANCY_HOM 0x18 0-3 1 128 RxQ Occupancy - HOM
RxL_OCCUPANCY_SNP 0x19 0-3 1 128 RxQ Occupancy - SNP
RxL_OCCUPANCY_NDR 0x1a 0-3 1 128 RxQ Occupancy - NDR
VNA_CREDIT_RETURN_OCCUPANCY 0x1b 0-3 1 128 VNA Credits Pending Return -
Occupancy
VNA_CREDIT_RETURNS 0x1c 0-3 1 1 VNA Credits Returned
RxL_CREDITS_CONSUMED_VNA 0x1d 0-3 1 1 VNA Credit Consumed
RxL_CREDITS_CONSUMED_VN0 0x1e 0-3 1 2 VN0 Credit Consumed
TxR_BL_DRS_CREDIT_OCCUPANCY 0x1f 0-3 1 8 R3QPI Egress Credit Occupancy
- BL DRS
TxR_BL_NCB_CREDIT_OCCUPANCY 0x20 0-3 1 2 R3QPI Egress Credit Occupancy
- BL NCB
TxR_BL_NCS_CREDIT_OCCUPANCY 0x21 0-3 1 2 R3QPI Egress Credit Occupancy
- BL NCS
TxR_AD_HOM_CREDIT_OCCUPANCY 0x22 0-3 1 28 R3QPI Egress Credit Occupancy
- AD HOM
TxR_AD_SNP_CREDIT_OCCUPANCY 0x23 0-3 1 28 R3QPI Egress Credit Occupancy
- AD SNP
TxR_AD_NDR_CREDIT_OCCUPANCY 0x24 0-3 1 8 R3QPI Egress Credit Occupancy
- AD NDR
TxR_AK_NDR_CREDIT_OCCUPANCY 0x25 0-3 1 6 R3QPI Egress Credit Occupancy
- AK NDR
TxR_AD_HOM_CREDIT_ACQUIRED 0x26 0-3 1 1 R3QPI Egress Credit Occupancy
- HOM
TxR_AD_SNP_CREDIT_ACQUIRED 0x27 0-3 1 1 R3QPI Egress Credit Occupancy
- SNP
TxR_AD_NDR_CREDIT_ACQUIRED 0x28 0-3 1 1 R3QPI Egress Credit Occupancy
- AD NDR
Symbol Name
Event
Code
Ctrs
Extra
Select
Bit
Max
Inc/
Cyc
Description