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