ksym_search
sym = ksym_search(addr);
sym = ksym_search(counts[i].ip);
sym = ksym_search(value);
sym = ksym_search(addr);
ks = ksym_search(raw_data[i]);
ks = ksym_search(e.kern_stack[i]);
struct ksym *ksym_search(long key);