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IA-32 Intel® Architecture Optimization
B-40
Reads
Non-prefetch
Full (BSQ)
The number of read
(excludes RFOs and
HW|SW prefetches)
transactions to
WB-type memory.
Beware of granularity
issues with this
event.
BSQ_allocation 1. REQ_LEN0|
REQ_LEN1|
MEM_TYPE1|
MEM_TYPE2|
REQ_CACHE_TYPE|
REQ_DEM_TYPE
2. Enable edge
filtering
6
in
the CCCR.
Reads
Invalidate Full-
RFO (BSQ)
The number of read
invalidate (RFO)
transactions to
WB-type memory.
BSQ_allocation 1. REQ_TYPE0|
REQ_LEN0|
REQ_LEN1|
MEM_TYPE1|
MEM_TYPE2|
REQ_CACHE_TYPE|
REQ_ORD_TYPE|
REQ_DEM_TYPE
2. Enable edge
filtering
6
in
the CCCR.
UC Reads
Chunk (BSQ)
The number of
8-byte aligned UC
read transactions.
User note: Read
requests associated
with 16 byte
operands may
under-count.
BSQ_allocation 1. REQ_LEN0|
REQ_ORD_TYPE|
REQ_DEM_TYPE
2. Enable edge
filtering
6
in
the CCCR.
UC Reads
Chunk Split
(BSQ)
The number of UC
read transactions
that span an 8-byte
boundary. User note:
Read requests may
under-count if the
data chunk straddles
64-byte boundary.
BSQ_allocation 1. REQ_LEN0|
REQ_SPLIT_TYPE|
REQ_ORD_TYPE|
REQ_DEM_TYPE
2. Enable edge
filtering
6
in
the CCCR.
continued
Table B-1 Pentium 4 Processor Performance Metrics (continued)
Metric Description
Event Name or Metric
Expression
Event Mask Value
Required