[no subject]

Cachegrind, a Valgrind front end will give, along with other things:

L1 instruction cache reads and misses; 
L1 data cache reads and read misses, writes and write misses; 
L2 unified cache reads and read misses, writes and writes misses. 

And since one instruction cache read is performed per instruction executed, 
you can find out how many instructions are executed per line, which can be 
useful for traditional profiling and test coverage.

-Matthew


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