I
NTEL
® X
EON
® P
ROCESSOR
7500 S
ERIES
U
NCORE
P
ROGRAMMING
G
UIDE
UNCORE PERFORMANCE MONITORING
2-26
SINKS_S2C
• Title: S2C Sinks
• Category: Ring - WIR
• Event Code: 0x07, Max. Inc/Cyc: 3,
• Definition: Number of messages sunk from the ring at the C-Box that were sent by the S-Box.
• NOTE: Each sink represents the transfer of 32 bytes, or 2 sinks per cache line.
SINKS_S2P_BL
• Title: S2P Sinks
• Category: Ring - WIRa
• Event Code: 0x08, Max. Inc/Cyc: 1,
• Definition: Number BL ring messages sunk by the processor that were sent from the S-Box. This cov-
ers BL only, because that is the only kind of message the S-Box can send to a processor.
• NOTE: Each sink represents the transfer of 32 bytes, or 2 sinks per cache line.
SNP_HITS
• Title: Snoop Hits in LLC
• Category: Local - CC
• Event Code: 0x28, Max. Inc/Cyc: 1,
• Definition: Number of Intel QPI snoops that hit in the LLC according to state of LLC when the hit
occurred. GotoS: LLC Data or Code Read Snoop Hit ‘x’ state in remote cache. GotoI: LLC Data Read
for Ownership Snoop Hit ‘x’ state in remote cache.
Extension
umask
[15:8]
Description
---
b00000000
(*nothing will be counted*)
AD
b00000001
AD (Intel QPI snoop request of LLC)
AK
b00000010
AK (Intel QPI completions sent to LLC)
BL
b00000100
BL (Data Fills sent to the LLC in response to RD requests)
Extension
umask
[15:8]
Description
---
b00000000
(*nothing will be counted*)
REMOTE_RD_HITM
bxxxxxxx1
Intel QPI SnpData or SnpCode hit M line in LLC
REMOTE_RD_HITE
bxxxxxx1x
Intel QPI SnpData or SnpCode hit E line in LLC
REMOTE_RD_HITS
bxxxxx1xx
Intel QPI SnpData or SnpCode hit S line in LLC
REMOTE_RD_HITF
bxxxx1xxx
Intel QPI SnpData or SnpCode hit F line in LLC
REMOTE_RFO_HITM
bxxx1xxxx
Intel QPI SnpInvOwn or SnpInvItoE hit M line in LLC
REMOTE_RFO_HITE
bxx1xxxxx
Intel QPI SnpInvOwn or SnpInvItoE hit E line in LLC
REMOTE_RFO_HITS
bx1xxxxxx
Intel QPI SnpInvOwn or SnpInvItoE hit S line in LLC
REMOTE_RFO_HITF
b1xxxxxxx
Intel QPI SnpInvOwn or SnpInvItoE hit F line in LLC
REMOTE_HITM
bxxx1xxx1
Intel QPI Snoops that hit M line in LLC
REMOTE_HITE
bxx1xxx1x
Intel QPI Snoops that hit E line in LLC
REMOTE_HITS
bx1xxx1xx
Intel QPI Snoops that hit S line in LLC
REMOTE_HITF
b1xxx1xxx
Intel QPI Snoops that hit F line in LLC
REMOTE_ANY
b11111111
Intel QPI Snoops that hit in LLC (any line state)