Bug 1399024 - fix mainthreadio intermittents r=jmaher

MozReview-Commit-ID: 61Tn0AqbTbX

--HG--
extra : rebase_source : 13c25e6fb5bfaac95abd9271be4acb887fdb5786

testing/talos/talos/config.py

@@ -217,7 +217,6 @@ GLOBAL_OVERRIDES = (
     'gecko_profile',
     'gecko_profile_interval',
     'gecko_profile_entries',
-    'mainthread',
     'rss',
     'shutdown',
     'tpcycles',

testing/talos/talos/mainthreadio.py

@@ -51,6 +51,7 @@ NAME_SUBSTITUTIONS = OrderedDict([
                     (re.compile(r'{\w{8}-\w{4}-\w{4}-\w{4}-\w{12}}'), '{uuid}'),
                     (re.compile(r'{uuid}\.\d+\.ver\w+\.db'), '{uuid-db}')])
 
+TUPLE_EVENT_SOURCE_INDEX = 1
 TUPLE_FILENAME_INDEX = 2
 WHITELIST_FILENAME = os.path.join(SCRIPT_DIR, 'mtio-whitelist.json')
 
@@ -143,7 +144,8 @@ def main(argv):
     wl = whitelist.Whitelist(test_name='mainthreadio',
                              paths={"{xre}": argv[3]},
                              path_substitutions=PATH_SUBSTITUTIONS,
-                             name_substitutions=NAME_SUBSTITUTIONS)
+                             name_substitutions=NAME_SUBSTITUTIONS,
+                             event_sources=["PoisonIOInterposer"])
     if not wl.load(WHITELIST_FILENAME):
         print("Failed to load whitelist")
         return 1
@@ -155,7 +157,7 @@ def main(argv):
 
     # Disabled until we enable TBPL oranges
     # search for unknown filenames
-    errors = wl.check(data, TUPLE_FILENAME_INDEX)
+    errors = wl.check(data, TUPLE_FILENAME_INDEX, TUPLE_EVENT_SOURCE_INDEX)
     if errors:
         strs = wl.get_error_strings(errors)
         wl.print_errors(strs)

testing/talos/talos/whitelist.py

@@ -19,7 +19,7 @@ class Whitelist:
     PRE_PROFILE = ''
 
     def __init__(self, test_name, paths, path_substitutions,
-                 name_substitutions, init_with=None):
+                 name_substitutions, event_sources=None, init_with=None):
         self.test_name = test_name
         self.listmap = init_with if init_with else {}
         self.dependent_libs = self.load_dependent_libs() \
@@ -27,6 +27,7 @@ class Whitelist:
         self.paths = paths
         self.path_substitutions = path_substitutions
         self.name_substitutions = name_substitutions
+        self.expected_event_sources = event_sources or []
 
     def load(self, filename):
         if not self.load_dependent_libs():
@@ -81,7 +82,7 @@ class Whitelist:
 
         return filename.strip('/\\\ \t')
 
-    def check(self, test, file_name_index):
+    def check(self, test, file_name_index, event_source_index=None):
         errors = {}
         for row_key in test.iterkeys():
             filename = self.sanitize_filename(row_key[file_name_index])
@@ -92,6 +93,9 @@ class Whitelist:
                     continue
             elif filename in self.dependent_libs:
                 continue
+            elif event_source_index is not None and \
+                    test[event_source_index] in self.expected_event_sources:
+                continue
             else:
                 if filename not in errors:
                     errors[filename] = []