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32 lines
1.0 KiB
Plaintext
32 lines
1.0 KiB
Plaintext
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SHORT UOPs issueing
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EVENTSET
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FIXC0 INSTR_RETIRED_ANY
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FIXC1 CPU_CLK_UNHALTED_CORE
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FIXC2 CPU_CLK_UNHALTED_REF
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PMC0 UOPS_ISSUED_USED_CYCLES
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PMC1 UOPS_ISSUED_STALL_CYCLES
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PMC2 CPU_CLOCK_UNHALTED_TOTAL_CYCLES
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PMC3:EDGEDETECT UOPS_ISSUED_STALL_CYCLES
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METRICS
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Runtime (RDTSC) [s] time
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Runtime unhalted [s] FIXC1*inverseClock
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Clock [MHz] 1.E-06*(FIXC1/FIXC2)/inverseClock
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CPI FIXC1/FIXC0
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Used cycles ratio [%] 100*PMC0/PMC2
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Unused cycles ratio [%] 100*PMC1/PMC2
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Avg stall duration [cycles] PMC1/PMC3:EDGEDETECT
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LONG
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Formulas:
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Used cycles ratio [%] = 100*UOPS_ISSUED_USED_CYCLES/CPU_CLK_UNHALTED_CORE
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Unused cycles ratio [%] = 100*UOPS_ISSUED_STALL_CYCLES/CPU_CLK_UNHALTED_CORE
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Avg stall duration [cycles] = UOPS_ISSUED_STALL_CYCLES/UOPS_ISSUED_STALL_CYCLES:EDGEDETECT
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-
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This performance group returns the ratios of used and unused cycles regarding
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the issue stage in the pipeline. Used cycles are all cycles where uOPs are
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issued while unused cycles refer to pipeline stalls. Moreover, the group
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calculates the average stall duration in cycles.
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