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- Nothing.
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- Processor cycles are counted
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- Count the number of instructions completed per cycle.
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- RTCSELECT bit transition. (0 = 47, 1 = 51, 2 = 55, 3 = 63)
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- Number of instructions dispatched.
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- Instruction cache misses (speculative (Instruction cache line-fill))
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- dtlb misses (not speculative)
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- Branch incorrectly predicted
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- Number of reservations requested
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- Number of load data cache misses that exceeded the threshold value with lateral L2 cache
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- Number of store data cache misses that exceeded the threshold value with lateral L2 cache intervention
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- Number of mtspr instructions dispatched
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- Number of sync instructions completed
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- Number of eieio instructions completed
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- Number of integer instructions completed every cycle (no loads or stores)
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- Number of floating-point instructions completed every cycle (no loads or stores)
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- LSU produced result without an exception condition
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- SCIU1 unit produced result. (add, subtract, compare, rotate, shift, or logical instructions)
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- FPU produced result
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- Number of instructions dispatched to the LSU
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- Number of instructions dispatched to the SCIU1 unit
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- Number of instructions dispatched to the floating-point unit
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- Snoop requests received. Valid snoops from outside the 604. Does not know if it is a hit or miss.
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- Number of marked load data cache misses that exceeded the threshold value without lateral L2 intervention.
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- Number of marked store data cache misses that exceeded the threshold value without lateral L2 intervention
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