B-Box Performance Monitor Event List - Intel BX80571E7500 - Core 2 Duo 2.93 GHz Processor Programming Manual

I ® X ® P 7500 S
NTEL EON ROCESSOR
IMT_NE_CYCLES
Counter 3 Events
EARLY_ACK
IMT_PREALLOC
DEMAND_FETCH
IMPLICIT_WBS
COHQ_IMT_ALLOC_WAIT
SBOX_VN0_UNAVAIL
RBOX_VNA_UNAVAIL
IMT_FULL
CONFLICTS
ACK_BEFORE_LAST_SNP
2.4.6

B-Box Performance Monitor Event List

This section enumerates Intel Xeon Processor 7500 Series uncore performance monitoring events for
the B-Box.
ACK_BEFORE_LAST_SNP
• Title: Ack Before Last Snoop
• Category: Snoops
• Event Code: 0x19, Max. Inc/Cyc: 1, PERF_CTL: 3,
• Definition: Number of times M-Box acknowledge arrives before the last snoop response. For
transactions issued to the memory controller (M-Box) as prefetches.
ADDR_IN_MATCH
• Title: Address In Match
• Category: Mask/Match
• Event Code: 0x04, Max. Inc/Cyc: 1, PERF_CTL: 2,
• Definition: Address Match at B-Box Input. Use B_MSR_MATCH/MASK_REG
CONFLICTS
• Title: Conflicts
• Category: Miscellaneous
• Event Code: 0x17, Max. Inc/Cyc: 1, PERF_CTL: 3,
• Definition: Number of conflicts.
COHQ_BYPASS
• Title: COHQ Bypass
• Category: ARB Queues
• Event Code: 0x0E, Max. Inc/Cyc: 1, PERF_CTL: 3,
• Definition: Coherence Queue Bypasses.
U P
ERIES NCORE ROGRAMMING
Table 2-24. Performance Monitor Events for B-Box Events
Event
Symbol Name
Code
0x07
0x02
0x06
0x0F
0x12
0x13
0x14
0x15
0x16
0x17
0x19
G
UIDE
Max
Inc/Cyc
1 IMT Non-Empty Cycles
1 Early ACK
1 IMT Prealloc
1 Demand Fetches
1 Implicit WBs
1 COHQ IMT Allocation Wait
1 S-Box VN0 Unavailable
1 R-Box VNA Unavailable
1 IMT Full
1 Conflicts
1 Ack Before Last Snoop
UNCORE PERFORMANCE MONITORING
Description
2-36