Small fixes

Author: spirali

crates/tako/src/internal/scheduler/query.rs

@@ -10,7 +10,7 @@ struct WorkerTypeState {
     max: u32,
 }
 
-/* Read the documentation of WorkerTypeQuery in gateway.rs */
+/* Read the documentation of `new_worker_query`` in control.rs */
 pub(crate) fn compute_new_worker_query(
     core: &mut Core,
     queries: &[WorkerTypeQuery],

crates/tako/src/internal/server/workerload.rs

@@ -270,7 +270,11 @@ impl WorkerLoad {
     pub(crate) fn utilization(&self, wr: &WorkerResources) -> f32 {
         let mut utilization = 0.0f32;
         for (n, w) in self.n_resources.iter().zip(wr.n_resources.iter()) {
-            utilization = utilization.max(n.as_f32() / w.as_f32());
+            utilization = utilization.max(if w.is_zero() {
+                0.0
+            } else {
+                n.as_f32() / w.as_f32()
+            });
         }
         utilization
     }