Intel ARCHITECTURE IA-32 User Manual

Page 481

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Using Performance Monitoring Events

B

B-27

MOB Load
Replays

The number of
replayed loads
related to the
Memory Order Buffer
(MOB). This metric
counts only the case
where the
store-forwarding
data is not an aligned
subset of the stored
data.

MOB_load_replay

PARTIAL_DATA,

UNALGN_ADDR

2

nd-

Level

Cache Read
Misses

2

The number of
2nd-level cache read
misses (load and
RFO misses).
Beware of granularity
differences.

BSQ_cache_reference

RD_2ndL_MISS

2

nd-

Level

Cache Read
References

2

The number of
2nd-level cache read
references (loads
and RFOs). Beware
of granularity
differences.

BSQ_cache_reference

RD_2ndL_HITS,

RD_2ndL_HITE,

RD_2ndL_HITM,

RD_2ndL_MISS

3rd-Level
Cache Read
Misses

2

The number of
3rd-level cache read
misses (load and
RFOs misses).
Beware of granularity
differences.

BSQ_cache_reference

RD_3rdL_MISS

3

rd-

Level Cache

Read
References

2

The number of
3rd-level cache read
references (loads
and RFOs). Beware
of granularity
differences.

BSQ_cache_reference

RD_3rdL_HITS,

RD_3rdL_HITE,

RD_3rdL_HITM,

RD_3rdL_MISS

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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