[core] report driver stat and add test

python/ray/dashboard/modules/reporter/reporter_agent.py

@@ -1312,8 +1312,8 @@ def generate_worker_stats_record(self, worker_stats: List[dict]) -> List[Record]
 
         for stat in worker_stats:
             cmdline = stat.get("cmdline")
-            # All ray processes start with ray::
-            if cmdline and len(cmdline) > 0 and cmdline[0].startswith("ray::"):
+            # collect both worker and driver stats
+            if cmdline and len(cmdline) > 0:
                 proc_name = cmdline[0]
                 proc_name_to_stats[proc_name].append(stat)
 
@@ -1323,9 +1323,6 @@ def generate_worker_stats_record(self, worker_stats: List[dict]) -> List[Record]
                     or stat.get("gpu_utilization", 0) > 0
                 ):
                     gpu_worker_proc_names.add(proc_name)
-            # We will lose worker stats that don't follow the ray worker proc
-            # naming convention. Theoretically, there should be no data loss here
-            # because all worker processes are renamed to ray::.
 
         records = []
 

python/ray/tests/test_metrics_agent.py

@@ -886,6 +886,7 @@ def verify_components():
                 components.add(sample.labels["Component"])
         print(components)
         assert {
+            sys.executable,  # driver process
             "raylet",
             "agent",
             "ray::Actor",