Intel ARCHITECTURE IA-32 - Page 495

Using Performance Monitoring Events B
B-41
UC Write
Partial (BSQ)
The number of UC
write transactions.
Beware of granularity
issues between BSQ
and FSB IOQ events.
BSQ_allocation 1. REQ_TYPE0|
REQ_LEN0|
REQ_SPLIT_TYPE|
REQ_ORD_TYPE|
REQ_DEM_TYPE
2. Enable edge
filtering
6
in
the CCCR.
IO Reads
Chunk (BSQ)
The number of
8-byte aligned IO
port read
transactions.
BSQ_allocation 1. REQ_LEN0|
REQ_ORD_TYPE|
REQ_IO_TYPE|
REQ_DEM_TYPE
2. Enable edge
filtering
6
in
the CCCR.
IO Writes
Chunk (BSQ)
The number of IO
port write
transactions.
BSQ_allocation 1. REQ_TYPE0|
REQ_LEN0|
REQ_ORD_TYPE|RE
Q_IO_TYPE|REQ_D
EM_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