sh: perf events: Document SH-4A raw event codes.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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@ -37,6 +37,44 @@
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static struct sh_pmu sh4a_pmu;
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/*
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* Supported raw event codes:
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*
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* Event Code Description
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* ---------- -----------
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*
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* 0x0000 number of elapsed cycles
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* 0x0200 number of elapsed cycles in privileged mode
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* 0x0280 number of elapsed cycles while SR.BL is asserted
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* 0x0202 instruction execution
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* 0x0203 instruction execution in parallel
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* 0x0204 number of unconditional branches
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* 0x0208 number of exceptions
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* 0x0209 number of interrupts
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* 0x0220 UTLB miss caused by instruction fetch
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* 0x0222 UTLB miss caused by operand access
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* 0x02a0 number of ITLB misses
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* 0x0028 number of accesses to instruction memories
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* 0x0029 number of accesses to instruction cache
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* 0x002a instruction cache miss
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* 0x022e number of access to instruction X/Y memory
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* 0x0030 number of reads to operand memories
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* 0x0038 number of writes to operand memories
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* 0x0031 number of operand cache read accesses
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* 0x0039 number of operand cache write accesses
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* 0x0032 operand cache read miss
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* 0x003a operand cache write miss
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* 0x0236 number of reads to operand X/Y memory
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* 0x023e number of writes to operand X/Y memory
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* 0x0237 number of reads to operand U memory
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* 0x023f number of writes to operand U memory
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* 0x0337 number of U memory read buffer misses
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* 0x02b4 number of wait cycles due to operand read access
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* 0x02bc number of wait cycles due to operand write access
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* 0x0033 number of wait cycles due to operand cache read miss
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* 0x003b number of wait cycles due to operand cache write miss
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*/
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/*
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* Special reserved bits used by hardware emulators, read values will
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* vary, but writes must always be 0.
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