Add sol_log_compute_units syscall

programs/bpf/c/src/sanity/sanity.c

@@ -18,5 +18,7 @@ extern uint64_t entrypoint(const uint8_t *input) {
   // program, no account keys or input data are expected but real
   // programs will have specific requirements so they can do their work.
   sol_log_params(&params);
+
+  sol_log_compute_units();
   return SUCCESS;
 }