Uncore Manual

Uncore Performance Monitoring
Intel® QPI Link Layer Performance Monitoring
162 Reference Number: 329468-002
TxR_BL_NCB_CREDIT_OCCUPANCY
• Title: R3QPI Egress Credit Occupancy - BL NCB
• Category: R3QPI_EGRESS_CREDITS Events
• Event Code: 0x20
• Extra Select Bit: Y
• Max. Inc/Cyc:. 2, Register Restrictions: 0-3
• Definition: Occupancy event that tracks the number of credits into the R3 (for transactions across
the BGF) available in each cycle. NCB message class to BL Egress.
TxR_BL_NCS_CREDIT_ACQUIRED
• Title: R3QPI Egress Credit Occupancy - NCS
• Category: R3QPI_EGRESS_CREDITS Events
• Event Code: 0x2c
• Extra Select Bit: Y
• Max. Inc/Cyc:. 1, Register Restrictions: 0-3
• Definition: Number of credits into the R3 (for transactions across the BGF) acquired each cycle.
NCS message class to BL Egress.
TxR_BL_NCS_CREDIT_OCCUPANCY
• Title: R3QPI Egress Credit Occupancy - BL NCS
• Category: R3QPI_EGRESS_CREDITS Events
• Event Code: 0x21
• Extra Select Bit: Y
• Max. Inc/Cyc:. 2, Register Restrictions: 0-3
• Definition: Occupancy event that tracks the number of credits into the R3 (for transactions across
the BGF) available in each cycle. NCS message class to BL Egress.
Table 2-169. Unit Masks for TxR_BL_NCB_CREDIT_OCCUPANCY
Extension
umask
[15:8]
Description
VN0 b00000001 for VN0
VN1 b00000010 for VN1
Table 2-170. Unit Masks for TxR_BL_NCS_CREDIT_ACQUIRED
Extension
umask
[15:8]
Description
VN0 b00000001 for VN0
VN1 b00000010 for VN1
Table 2-171. Unit Masks for TxR_BL_NCS_CREDIT_OCCUPANCY
Extension
umask
[15:8]
Description
VN0 b00000001 for VN0
VN1 b00000010 for VN1