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I
® X
® P
7500 S
NTEL
EON
ROCESSOR
UNCORRECTED_ERR
FATAL_ERR
2.2.4
U-Box Performance Monitor Event List
This section enumerates Intel Xeon Processor 7500 Series uncore performance monitoring events for
the U-Box.
BUF_VALID_LOCAL_INT
• Title: Local IPI Buffer Valid
• Category: U-Box Events
• Event Code: 0x000, Max. Inc/Cyc: 1,
• Definition: Number of cycles the Local Interrupt packet buffer contained a valid entry.
BUF_VALID_LOCK
• Title: Lock Buffer Valid
• Category: U-Box Events
• Event Code: 0x002, Max. Inc/Cyc: 1,
• Definition: Number of cycles the Lock packet buffer contained a valid entry.
BUF_VALID_REMOTE_INT
• Title: Remote IPI Buffer Valid
• Category: U-Box Events
• Event Code: 0x001, Max. Inc/Cyc: 1,
• Definition: Number of cycles the Remote IPI packet buffer contained a valid entry.
BUF_VALID_SPC_CYCLES
• Title: SpcCyc Buffer Valid
• Category: U-Box Events
• Event Code: 0x004, Max. Inc/Cyc: 1,
• Definition: Number of uncore cycles the Special Cycle packet buffer contains a valid entry. 'Special
Cycles' are NcMsgS packets generated by the U-Box and broadcast to internal cores to cover such
things as Shutdown, Invd_Ack and WbInvd_Ack conditions.
BUF_VALID_STST
• Title: Start/Stop Req Buffer Valid
• Category: U-Box Events
• Event Code: 0x003, Max. Inc/Cyc: 1,
• Definition: Number of uncore cycles the Start/Stop Request packet buffer contained a valid entry.
CORRECTED_ERR
• Title: Corrected Errors
• Category: U-Box Events
• Event Code: 0x1E4, Max. Inc/Cyc: 1,
• Definition: Number of corrected errors.
U
P
ERIES
NCORE
ROGRAMMING
Table 2-8. Performance Monitor Events for U-Box Events
Event
Symbol Name
Code
0x1E5
0x1E6
G
UIDE
Max
Inc/Cyc
1
Uncorrected Error
1
Fatal Error
UNCORE PERFORMANCE MONITORING
Description
2-7
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