Intel BX80571E7500 - Core 2 Duo 2.93 GHz Processor Programming Manual page 76

I ® X ® P 7500 S
NTEL EON ROCESSOR
TO_RING_B2S_MSGQ_OCCUPANCY
• Title: Ring Bound B2S Message Queue Occupancy
• Category: Ring Bound Queue
• Event Code: 0x2F, Max. Inc/Cyc: 8,
• Definition: Number of entries in header buffer containing B to S-Box messages on their way to the
Ring.
TO_RING_MSGQ_OCCUPANCY
• Title: Ring Bound Message Queue Occupancy
• Category: Ring Bound Queue
• Event Code: 0x26, Max. Inc/Cyc: 1,
• Definition: Number of entries in header buffer containing SNP, NCS or NCB messages headed for the
Ring. Each subevent represents usage of the buffer by a particular message class. When more than one
message class is selected, the queue occupancy counter counts the total number of buffer entries
occupied by messages in the selected message classes.
• NOTE: Total of the buffer entries occupied by all message classes in umask will never exceed 36.
Extension
---
SNP
NCS
NCB
ALL
TO_RING_NCB_MSGQ_CYCLES_FULL
• Title: Cycles Ring Bound NCB Message Queue Full
• Category: Ring Bound Queue
• Event Code: 0x21, Max. Inc/Cyc: 1,
• Definition: Number of cycles in which the header buffer, containing NCB messages on their way to
the Ring, is full.
TO_RING_NCB_MSGQ_CYCLES_NE
• Title: Cycles Ring Bound NCB Message Queue Not Empty
• Category: Ring Bound Queue
• Event Code: 0x24, Max. Inc/Cyc: 1,
• Definition: Number of cycles in which the header buffer, containing NCB messages on their way to
the Ring, has one or more entries allocated.
TO_RING_NCS_MSGQ_CYCLES_FULL
• Title: Cycles Ring Bound NCS Message Queue Full
• Category: Ring Bound Queue
• Event Code: 0x22, Max. Inc/Cyc: 1,
• Definition: Number of cycles in which the header buffer, containing NCS messages on their way to
the Ring, is full.
TO_RING_NDR_MSGQ_CYCLES_FULL
• Title: Cycles Ring Bound NDR Message Queue Full
• Category: Ring Bound Queue
• Event Code: 0x27, Max. Inc/Cyc: 1,
• Definition: Number of cycles in which the header buffer, containing NDR messages on their way to
the Ring, is full.
U P G
ERIES NCORE ROGRAMMING UIDE
umask
[15:8]
b000 (*nothing will be counted*)
bxx1 Snoop (31 entry buffer)
bx1x Non-coherent Standard (4 entry buffer)
b1xx Non-Coherent Bypass (4 entry buffer)
b111 All C-Boxes
UNCORE PERFORMANCE MONITORING
Description
2-64