Event Code: 0x51
Mask: See in table below.
Available counters: 0,1
Category: L1 Data Cache Performance Tuning Events;
Definition: L1 Data cache metrics, mostly for modified lines
Event Name Extension |
Mask |
Definition |
Description |
|---|---|---|---|
0x01 |
L1 data cache lines allocated |
Counts the number of lines brought into the L1 data cache. |
|
0x02 |
L1D cache lines allocated in the M state |
Counts the number of modified lines brought into the L1 data cache. |
|
0x04 |
L1D cache lines replaced in M state |
Counts the number of modified lines evicted from the L1 data cache due to replacement. |
|
0x08 |
L1D snoop eviction of cache lines in M state |
Counts the number of modified lines evicted from the L1 data cache due to snoop HITM intervention. |