autotest: add test for logged script statistics

Tools/autotest/arduplane.py

@@ -5400,6 +5400,49 @@ class AutoTestPlane(vehicle_test_suite.TestSuite):
         self.context_pop()
         self.fly_home_land_and_disarm()
 
+    def ScriptStats(self):
+        '''test script stats logging'''
+        self.context_push()
+        self.set_parameters({
+            'SCR_ENABLE': 1,
+            'SCR_DEBUG_OPTS': 8,  # runtime memory usage and time
+        })
+        self.install_test_scripts_context([
+            "math.lua",
+            "strings.lua",
+        ])
+        self.install_example_script_context('simple_loop.lua')
+        self.context_collect('STATUSTEXT')
+
+        self.reboot_sitl()
+
+        self.wait_statustext('hello, world')
+        delay = 20
+        self.delay_sim_time(delay, reason='gather some stats')
+        self.wait_statustext("math.lua exceeded time limit", check_context=True, timeout=0)
+
+        dfreader = self.dfreader_for_current_onboard_log()
+        seen_hello_world = False
+#        runtime = None
+        while True:
+            m = dfreader.recv_match(type=['SCR'])
+            if m is None:
+                break
+            if m.Name == "simple_loop.lua":
+                seen_hello_world = True
+#            if m.Name == "math.lua":
+#                runtime = m.Runtime
+
+        if not seen_hello_world:
+            raise NotAchievedException("Did not see simple_loop.lua script")
+
+#        self.progress(f"math took {runtime} seconds to run over {delay} seconds")
+#        if runtime == 0:
+#            raise NotAchievedException("Expected non-zero runtime for math")
+
+        self.context_pop()
+        self.reboot_sitl()
+
     def tests(self):
         '''return list of all tests'''
         ret = super(AutoTestPlane, self).tests()
@@ -5511,6 +5554,7 @@ class AutoTestPlane(vehicle_test_suite.TestSuite):
             self.MinThrottle,
             self.ClimbThrottleSaturation,
             self.GuidedAttitudeNoGPS,
+            self.ScriptStats,
         ])
         return ret