monitor: done-or-unregistered runners are healthy too

Author: delan

monitor/src/profile.rs

@@ -136,6 +136,7 @@ impl Profile {
             + self.idle_runner_count(runners)
             + self.reserved_runner_count(runners)
             + self.busy_runner_count(runners)
+            + self.done_or_unregistered_runner_count(runners)
     }
 
     pub fn started_or_crashed_runner_count(&self, runners: &Runners) -> usize {
@@ -162,6 +163,12 @@ impl Profile {
             .count()
     }
 
+    pub fn done_or_unregistered_runner_count(&self, runners: &Runners) -> usize {
+        self.runners(runners)
+            .filter(|(_id, runner)| runner.status() == Status::DoneOrUnregistered)
+            .count()
+    }
+
     pub fn excess_idle_runner_count(&self, runners: &Runners) -> usize {
         // Healthy runners beyond the target count are excess runners.
         let excess = if self.healthy_runner_count(runners) > self.target_runner_count() {