Intel BX80571E7500 - Core 2 Duo 2.93 GHz Processor Programming Manual page 131

I ® X ® P 7500 S
NTEL EON ROCESSOR
BCMD_SCHEDQ_OCCUPANCY
• Title: B-Box Command Scheduler Queue Occupancy
• Category: Cycle Events
• Event Code: [21:19]0x06 && [7]0x1, Max. Inc/Cyc: 1,
• Definition: Counts the queue occupancy of the B-Box Command scheduler per FVID. The FVID (Fill
Victim Index) for the command to be monitored must be programmed in MSR_PMU_MAP.fvid.
Extension
READS
WRITES
MERGE
V2F
V2V
F2V
F2B
SPRWR
ALL
MA_PAR_ERR
• Title: MA Parity Error
Misc
• Category:
• Event Code: 0x0c, Max. Inc/Cyc: 1,
• Definition: Number of MA even parity errors detected.
MULTICAS
• Title: Multi-CAS
Misc
• Category:
• Event Code: 0x17, Max. Inc/Cyc: 1,
• Definition: Number of Multi-CAS patrol transactions detected. This is an indication of multiple CAS
commands to the same open page, and should correlate to page hit rate.
PAGE_EMPTY
• Title: Page Table Empty
• Category: Page Table Related
• Event Code: 0x15, Max. Inc/Cyc: 1,
• Definition: Number of transactions accessing a bank with no open page. The page was previously
closed either because it has never been opened, was closed via a CASpre, closed explicitly by the idle
page closing mechanism, or closed by a PREALL in order to do a refresh. This is command that
requires a RAS-CAS to complete.
PAGE_HIT
• Title: Page Table Hit
• Category: Page Table Related
• Event Code: 0x14, Max. Inc/Cyc: 1,
• Definition: Number of page hits detected. This is a command that requires a only a CAS to complete.
U P G
ERIES NCORE ROGRAMMING UIDE
Table 2-93. Unit Masks for BCMD_SCHEDQ_OCCUPANCY
MAP[8:5]
0x0 Reads commands to M box from B box
0x1 Write commands from B box to M box
0x2 Merge commands from B box to M box
0x3 Victim buffer to Fill buffer transfer (V2F) command from the B-Box to
the M-Box
0x4 Victim buffer to Victim buffer transfer (V2V) command from the B-Box
to the M-Box
0x5 Fill buffer to Victim buffer transfer (F2V) command from the B-Box to
the M-Box
0x6 Fill buffer read to B-Box (F2B) from M-Box
0x7 spare write commands from the B-Box to the M-Box
0x8 All B-Box Commands
UNCORE PERFORMANCE MONITORING
Description
2-119