HP Caliper User's Guide
• Data
Percentage of snoops that are data snoops.
• Inv
Percentage snoops that are invalid snoops.
• 128 Byte - Miss
This is the fraction of 128-byte data snoops that miss, out of all data snoops (64-byte
and 128-byte).
• 128 Byte - Hit
This is the fraction of 128-byte data snoops that hit a cache line, out of all data
snoops (64-byte and 128-byte).
• 128 Byte - Hitm
This is the fraction of 128-byte data snoops that hit a modified cache line, out of
all data snoops (64-byte and 128-byte).
• 128 Byte - Impwb
This is the fraction of 128-byte data snoops that are due to implicit write backs,
out of all data snoops (64-byte and 128-byte).
• 64 Byte - Miss
This is the fraction of 64-byte data snoops that miss, out of all data snoops (64-byte
and 128-byte).
• 64 Byte - Hit
This is the fraction of 64-byte data snoops that hit a cache line, out of all data snoops
(64-byte and 128-byte).
• 64 Byte - Hitm
This is the fraction of 64-byte data snoops that hit a modified cache line, out of all
data snoops (64-byte and 128-byte).
• 64 Byte - Impwb
This is the fraction of 64-byte data snoops that are due to implicit write backs, out
of all data snoops (64-byte and 128-byte).
• Inv Snoop - Hitm
This is the fraction of invalid snoops that hit a modified cache line, out of all invalid
snoops (64-byte and 128-byte).
• Inv Snoop - Impwb
This is the fraction of invalid snoops that are due to implicit write backs, out of all
invalid snoops (64-byte and 128-byte).
• Inv Snoop - 64B
This is the fraction of invalid snoops that are 64-byte snoops, out of all invalid
snoops (64-byte and 128-byte).
338 Event Set Descriptions for CPU Metrics