Uncore Manual

Uncore Performance Monitoring
IRP Performance Monitoring
102 Reference Number: 329468-002
2.6.6 IRP Box Performance Monitor Event List
The section enumerates performance monitoring events for the IRP Box.
ADDRESS_MATCH
• Title: Address Match (Conflict) Count
• Category: ADDRESS_MATCH Events
• Event Code: 0x17
• Max. Inc/Cyc:. 1, Register Restrictions: 0-1
• Definition: Counts the number of times when an inbound write (from a device to memory or
another device) had an address match with another request in the write cache.
Symbol Name
Event
Code
Ctrs
Max
Inc/
Cyc
Description
CLOCKTICKS 0x00 0-1 1 Clocks in the IRP
RxR_BL_DRS_INSERTS 0x01 0-1 1 BL Ingress Occupancy - DRS
RxR_BL_NCB_INSERTS 0x02 0-1 1 BL Ingress Occupancy - NCB
RxR_BL_NCS_INSERTS 0x03 0-1 1 BL Ingress Occupancy - NCS
RxR_BL_DRS_CYCLES_FULL 0x04 0-1 1
RxR_BL_NCB_CYCLES_FULL 0x05 0-1 1
RxR_BL_NCS_CYCLES_FULL 0x06 0-1 1
RxR_BL_DRS_OCCUPANCY 0x07 0-1 24
RxR_BL_NCB_OCCUPANCY 0x08 0-1 24
RxR_BL_NCS_OCCUPANCY 0x09 0-1 24
RxR_AK_INSERTS 0x0a 0-1 1 AK Ingress Occupancy
RxR_AK_CYCLES_FULL 0x0b 0-1 1
RxR_AK_OCCUPANCY 0x0c 0-1 24
TxR_REQUEST_OCCUPANCY 0x0d 0-1 1 Outbound Request Queue Occupancy
TxR_DATA_INSERTS_NCB 0x0e 0-1 1 Outbound Read Requests
TxR_DATA_INSERTS_NCS 0x0f 0-1 1 Outbound Read Requests
CACHE_READ_OCCUPANCY 0x10 0-1 128 Outstanding Read Occupancy
CACHE_WRITE_OCCUPANCY 0x11 0-1 128 Outstanding Write Occupancy
CACHE_TOTAL_OCCUPANCY 0x12 0-1 128 Total Write Cache Occupancy
CACHE_OWN_OCCUPANCY 0x13 0-1 128 Outstanding Write Ownership Occupancy
CACHE_ACK_PENDING_OCCUPANCY 0x14 0-1 128 Write Ack Pending Occupancy
TRANSACTIONS 0x15 0-1 1 Inbound Transaction Count
TICKLES 0x16 0-1 1 Tickle Count
ADDRESS_MATCH 0x17 0-1 1 Address Match (Conflict) Count
TxR_AD_STALL_CREDIT_CYCLES 0x18 0-1 1 No AD Egress Credit Stalls
TxR_BL_STALL_CREDIT_CYCLES 0x19 0-1 1 No BL Egress Credit Stalls
WRITE_ORDERING_STALL_CYCLES 0x1a 0-1 1 Write Ordering Stalls