[LLVMdev] Number of instructions executed
jfb at google.com
Sun Jan 26 11:18:18 PST 2014
> I forget the name now, but there's an emulator which has this capability.
> There's also performance counters available on some platforms that may give
> you access to this. PAPI or perfmon2 may have this capability. I guess this
> may not be exactly what you want, but hopefully it helps.
Pin is probably the most straightforward way to obtain dynamic
instruction count on x86. Valgrind/QEMU/DynamoRIO all have that
capability, though I don't remember how easy it is to tease the
information out of each tool.
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