mirror of
https://github.com/ClusterCockpit/cc-metric-collector.git
synced 2024-11-13 05:27:31 +01:00
24 lines
590 B
Plaintext
24 lines
590 B
Plaintext
SHORT Instruction cache miss rate/ratio
|
|
|
|
EVENTSET
|
|
PMC0 INSTRUCTIONS_RETIRED
|
|
PMC1 ICACHE_FETCHES
|
|
PMC2 ICACHE_REFILLS_L2
|
|
PMC3 ICACHE_REFILLS_MEM
|
|
|
|
METRICS
|
|
Runtime (RDTSC) [s] time
|
|
L1I request rate PMC1/PMC0
|
|
L1I miss rate (PMC2+PMC3)/PMC0
|
|
L1I miss ratio (PMC2+PMC3)/PMC1
|
|
|
|
LONG
|
|
Formulas:
|
|
L1I request rate = ICACHE_FETCHES / INSTRUCTIONS_RETIRED
|
|
L1I miss rate = (ICACHE_REFILLS_L2+ICACHE_REFILLS_MEM)/INSTRUCTIONS_RETIRED
|
|
L1I miss ratio = (ICACHE_REFILLS_L2+ICACHE_REFILLS_MEM)/ICACHE_FETCHES
|
|
-
|
|
This group measures the locality of your instruction code with regard to the
|
|
L1 I-Cache.
|
|
|