Uncore Manual

Uncore Performance Monitoring
R3QPI Performance Monitoring
184 Reference Number: 329468-002
RxR_OCCUPANCY
• Title: Ingress Occupancy Accumulator
• Category: INGRESS Events
• Event Code: 0x13
• Max. Inc/Cyc:. 32, Register Restrictions: 0
• Definition: Accumulates the occupancy of a given QPI Ingress queue in each cycles. This tracks
one of the three ring Ingress buffers. This can be used with the QPI Ingress Not Empty event to cal-
culate average occupancy or the QPI Ingress Allocations event in order to calculate average queuing
latency.
TxR_CYCLES_FULL
• Title: Egress Cycles Full
• Category: EGRESS Events
• Event Code: 0x25
• Max. Inc/Cyc:. 1, Register Restrictions: 0-1
• Definition: Counts the number of cycles when the R2PCIe Egress buffer is full.
Table 2-206. Unit Masks for RxR_INSERTS
Extension
umask
[15:8]
Description
HOM bxxxxxxx1 HOM
HOM Ingress Queue
SNP bxxxxxx1x SNP
SNP Ingress Queue
NDR bxxxxx1xx NDR
NDR Ingress Queue
DRS bxxxx1xxx DRS
DRS Ingress Queue
NCB bxxx1xxxx NCB
NCB Ingress Queue
NCS bxx1xxxxx NCS
NCS Ingress Queue
Table 2-207. Unit Masks for RxR_OCCUPANCY
Extension
umask
[15:8]
Description
HOM b00000001 HOM
HOM Ingress Queue
SNP b00000010 SNP
SNP Ingress Queue
NDR b00000100 NDR
NDR Ingress Queue
DRS b00001000 DRS
DRS Ingress Queue
NCB b00010000 NCB
NCB Ingress Queue
NCS b00100000 NCS
NCS Ingress Queue