Intel ARCHITECTURE IA-32 User Manual

Page 482

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IA-32 Intel® Architecture Optimization

B-28

2nd-Level
Cache Reads
Hit Shared

The number of
2nd-level cache read
references (loads
and RFOs) that hit
the cache line in
shared state. Beware
of granularity
differences.

BSQ_cache_reference

RD_2ndL_HITS

2nd-Level
Cache Reads
Hit Modified

The number of
2nd-level cache read
references (loads
and RFOs) that hit
the cache line in
modified state.
Beware of granularity
differences.

BSQ_cache_reference

RD_2ndL_HITM

2nd-Level
Cache Reads
Hit Exclusive

The number of
2nd-level cache read
references (loads
and RFOs) that hit
the cache line in
exclusive state.
Beware of granularity
differences.

BSQ_cache_reference

RD_2ndL_HITE

3rd-Level
Cache Reads
Hit Shared

The number of
3rd-level cache read
references (loads
and RFOs) that hit
the cache line in
shared state. Beware
of granularity
differences.

BSQ_cache_reference

RD_3rdL_HITS

continued

Table B-1

Pentium 4 Processor Performance Metrics (continued)

Metric

Description

Event Name or Metric
Expression

Event Mask Value
Required

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