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24 lines
702 B
Plaintext
24 lines
702 B
Plaintext
SHORT Instruction cache miss rate/ratio
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EVENTSET
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PMC0 INSTRUCTION_CACHE_FETCHES
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PMC1 INSTRUCTION_CACHE_L2_REFILLS
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PMC2 INSTRUCTION_CACHE_SYSTEM_REFILLS
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PMC3 RETIRED_INSTRUCTIONS
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METRICS
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Runtime (RDTSC) [s] time
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L1I request rate PMC0/PMC3
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L1I miss rate (PMC1+PMC2)/PMC3
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L1I miss ratio (PMC1+PMC2)/PMC0
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LONG
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Formulas:
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L1I request rate = INSTRUCTION_CACHE_FETCHES / RETIRED_INSTRUCTIONS
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L1I miss rate = (INSTRUCTION_CACHE_L2_REFILLS + INSTRUCTION_CACHE_SYSTEM_REFILLS)/RETIRED_INSTRUCTIONS
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L1I miss ratio = (INSTRUCTION_CACHE_L2_REFILLS + INSTRUCTION_CACHE_SYSTEM_REFILLS)/INSTRUCTION_CACHE_FETCHES
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-
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This group measures the locality of your instruction code with regard to the
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L1 I-Cache.
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