Packet Matching Reference; Table 2-103. Intel® Quickpath Interconnect Packet Message Classes - Intel BX80571E7500 - Core 2 Duo 2.93 GHz Processor Programming Manual

I ® X ® P 7500 S
NTEL EON ROCESSOR
2.9

Packet Matching Reference

In several boxes (S, R and B), the performance monitoring infrastructure allows a user to filter packet
traffic according to certain fields. A couple common fields, the Message Class/Opcode fields, have been
summarized in the following tables.
Table 2-103. Intel® QuickPath Interconnect Packet Message Classes
Code
b0000
b0001
b0010
b0011
b0100
---
b1100
---
b1110
U P G
ERIES NCORE ROGRAMMING UIDE
Name
HOM0 Home - Requests
HOM1 Home - Responses
NDR Non-Data Responses
SNP Snoops
NCS Non-Coherent Standard
NCB Non-Coherent Bypass
DRS Data Response
UNCORE PERFORMANCE MONITORING
Definition
2-130