Add the following lines to the resc file:
cpu MaximumBlockSize 1 cpu CreateExecutionTracing "tracer" $ORIGIN/trace.log PCAndOpcode tracer TrackMemoryAccesses
Using build-in presets
./renode_cache_interface.py trace.log presets 'fu740.u74'
Custom cache configuration
./renode_cache_interface.py trace.log config \ --memory_width 64 \ --l1i_cache_width 15 \ --l1i_block_width 6 \ --l1i_lines_per_set 4 \ --l1i_replacement_policy LRU \ --l1d_cache_width 15 \ --l1d_block_width 6 \ --l1d_lines_per_set 8 \ --l1d_replacement_policy LRU \
An example output of the analysis:
$ ./renode_cache_interface.py trace.log presets fu740.u74 l1i,u74 configuration: Cache size: 32768 bytes Block size: 64 bytes Number of lines: 512 Number of sets: 128 (4 lines per set) Replacement policy: RAND l1d,u74 configuration: Cache size: 32768 bytes Block size: 64 bytes Number of lines: 512 Number of sets: 64 (8 lines per set) Replacement policy: RAND Instructions read: 174620452 Total memory operations: 68952483 (read: 50861775, write 18090708) Total I/O operations: 1875 (read: 181, write 1694) l1i,u74 results: Misses: 168 Hits: 174620284 Invalidations: 3 Hit ratio: 100.0% l1d,u74 Misses: 17320212 Hits: 51632271 Invalidations: 17319700 Hit ratio: 74.88%
Full documentation on guest CPU cache modeling is available in the Renode documentation.