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I
® X
® P
7500 S
NTEL
EON
ROCESSOR
BOUNCES_C2P_IV
SINKS_P2C
SINKS_C2P
SINKS_S2C
SINKS_S2P_BL
ARB_WINS
ARB_LOSSES
STARVED_EGRESS
EGRESS_BYPASS_WINS
INGRESS_BYPASS_WINS_AD
MAF_ACK
LLC_MISSES
LLC_HITS
LLC_S_FILLS
LLC_VICTIMS
Queue Occupancy Events
OCCUPANCY_IRQ
TRANS_IRQ
OCCUPANCY_IPQ
TRANS_IPQ
OCCUPANCY_VIQ
TRANS_VIQ
OCCUPANCY_MAF
TRANS_MAF
OCCUPANCY_RWRF
TRANS_RWRF
OCCUPANCY_RSPF
TRANS_RSPF
SNPS
SNP_HITS
2.3.6
C-Box Performance Monitor Event List
This section enumerates Intel Xeon Processor 7500 Series uncore performance monitoring events for
the C-Box.
U
P
ERIES
NCORE
ROGRAMMING
Table 2-15. Performance Monitor Events for C-Box Events
Event
Symbol Name
Code
Ring Events
0x04
0x05
0x06
0x07
0x08
0x09
0x0A
Local Events
0x0B
0x0C
0x0E
0x10
0x14
0x15
0x16
0x17
0x18
0x19
0x1A
0x1B
0x1C
0x1D
0x1E
0x1F
0x20
0x21
0x22
0x23
0x27
0x28
G
UIDE
Max
Inc/Cyc
1
Number of C2P IV bounces.
3
Number of P2C sinks.
3
Number of C2P sinks.
3
Number of S2C sinks.
1
Number of S2P sinks (BL only).
7
Number of ARB wins.
7
Number of ARB losses.
8
Increment on EGR queue starvation
7
Egress Bypass Wins
1
Ingress S-Box/Non-S-Box Bypass Wins
1
MAF Acknowledges
1
LLC Misses
1
LLC Hits
1
LLC lines filled from S-Box
1
LLC lines victimized
24
IRQ Occupancy
1
IRQ Transactions (dealloc)
8
IPQ Occupancy
1
IPQ Transactions
8
VIQ Occupancy
1
VIQ Transactions
16
MAF Occupancy
1
MAF Transactions
12
RWRF Occupancy
1
RWRF Transactions
8
RSPF Occupancy
1
RSPF Transactions
1
Snoops to LLC
1
Snoop Hits in LLC
UNCORE PERFORMANCE MONITORING
Description
2-18
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