[test] Report more test duration data.

tools/testrunner/local/progress.py

 # Copyright 2012 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 16 matching lines @@
 
 
 from functools import wraps
 import json
 import os
 import sys
 import time
 
 from . import execution
 from . import junit_output
+from . import statusfile
 
 
 ABS_PATH_PREFIX = os.getcwd() + os.sep
 
 
 class ProgressIndicator(object):
 
   def __init__(self):
     self.runner = None
 
@@ skipping 275 matching lines @@
     self.results = []
     self.tests = []
 
   def Done(self):
     complete_results = []
     if os.path.exists(self.json_test_results):
       with open(self.json_test_results, "r") as f:
         # Buildbot might start out with an empty file.
         complete_results = json.loads(f.read() or "[]")
 
+    duration_mean = None
+    if self.tests:
+      # Get duration mean.
+      duration_mean = (
+          sum(t.duration for t in self.tests) / float(len(self.tests)))
+
     # Sort tests by duration.
     timed_tests = [t for t in self.tests if t.duration is not None]
     timed_tests.sort(lambda a, b: cmp(b.duration, a.duration))
     slowest_tests = [
       {
         "name": test.GetLabel(),
         "flags": test.flags,
         "command": self._EscapeCommand(test).replace(ABS_PATH_PREFIX, ""),
         "duration": test.duration,
+        "marked_slow": statusfile.IsSlow(test.outcomes),
       } for test in timed_tests[:20]
     ]
 
     complete_results.append({
       "arch": self.arch,
       "mode": self.mode,
       "results": self.results,
       "slowest_tests": slowest_tests,
+      "duration_mean": duration_mean,
+      "test_total": len(self.tests),
     })
 
     with open(self.json_test_results, "w") as f:
       f.write(json.dumps(complete_results))
 
   def HasRun(self, test, has_unexpected_output):
     # Buffer all tests for sorting the durations in the end.
     self.tests.append(test)
     if not has_unexpected_output:
       # Omit tests that run as expected. Passing tests of reruns after failures
@@ skipping 19 matching lines @@
       "variant": test.variant,
     })
 
 
 PROGRESS_INDICATORS = {
   'verbose': VerboseProgressIndicator,
   'dots': DotsProgressIndicator,
   'color': ColorProgressIndicator,
   'mono': MonochromeProgressIndicator
 }