Method get_cache_stats

crates/virtual-machine/src/bus.rs:145–156

Cheap stats-only read, no allocation. Called every step.

(
        &self,
    )

        // Create three-level cache hierarchy
        // L3: 8MB, 64-byte blocks, 16-way set associative
        let ram = Ram::new(RAM_BASE, RAM_SIZE_DEFAULT);
        let l3_params = CacheParams {
            size: 8 * 1024 * 1024, // 8MB
            block_size: 64,
            associativity: 16,
            write_back: true,
            read_only: false,
        };
        let l3_cache = Cache::new(l3_params, ram);

        // L2: 256KB, 64-byte blocks, 8-way set associative
        let l2_params = CacheParams {
            size: 256 * 1024, // 256KB
            block_size: 64,
            associativity: 8,