Intel BX80571E7500 - Core 2 Duo 2.93 GHz Processor Programming Manual page 74

I ® X ® P 7500 S
NTEL EON ROCESSOR
CBOX2_6
CBOX3_7
PKTS_SENT_NCS
• Title: NCS Packets Sent to System
• Category: System Bound Transmission
• Event Code: 0x66, Max. Inc/Cyc: 3,
• Definition: Number of NCS packets the S-Box has transmitted to the system.
• NOTE: If multiple C-Boxes are selected, this event counts the total non-coherent standard packets
sent by all the selected C-Boxes. The only ring bound NCS message type is NcMsgS (StopReq1).
There are always 3 flits.
Extension
---
CBOX0_4
CBOX1_5
CBOX2_6
CBOX3_7
PKTS_SENT_NDR
• Title: NDR Packets Sent to System
• Category: System Bound Transmission
• Event Code: 0x63, Max. Inc/Cyc: 1,
• Definition: Number of non-data response packets the S-Box has transmitted to the system.
PKTS_SENT_SNP
• Title: SNP Packets Sent to System
• Category: System Bound Transmission
• Event Code: 0x62, Max. Inc/Cyc: 1,
• Definition: Number of SNP packets the S-Box has transmitted to the system. This event only counts
the first snoop that is spawned from a home request. When S-Box broadcast is enabled, this event does
not count the additional snoop packets that are spawned.
RBOX_CREDIT_CARRIERS
• Title: R-Box Credit Carrying Flits
• Category: Ring Bound Transmission
• Event Code: 0x76, Max. Inc/Cyc: 1,
• Definition: Number credit carrying idle flits received from the R-Box.
RBOX_CREDIT_RETURNS
• Title: R-Box Credit Returns
• Category: System Bound Transmission
• Event Code: 0x6A, Max. Inc/Cyc: 1,
• Definition: Number credit return idle flits sent to the R-Box.
RBOX_HOM_BYPASS
• Title: R-Box HOM Bypass
• Category: System Bound Enhancement
• Event Code: 0x50, Max. Inc/Cyc: 1,
• Definition: R-Box HOM Bypass optimization was utilized.
U P G
ERIES NCORE ROGRAMMING UIDE
bx1xx C-Boxes 2 and 6
b1xxx C-Boxes 3 and 7
umask
[15:8]
b0000 (*nothing will be counted*)
bxxx1 C-Boxes 0 and 4
bxx1x C-Boxes 1 and 5
bx1xx C-Boxes 2 and 6
b1xxx C-Boxes 3 and 7
UNCORE PERFORMANCE MONITORING
Description
2-62