[ProfCheck] Add email notifiers (#569)

Send email to the group on new failures or when the buildbot is missing.

Author: boomanaiden154

buildbot/osuosl/master/config/status.py

@@ -568,7 +568,15 @@ def getReporters():
                     builders = [
                         "llvm-x86_64-debugify-coverage"])
             ]),
-
+        reporters.MailNotifier(
+            fromaddr = status_email_fromaddr,
+            sendToInterestedUsers = False,
+            extraRecipients = ["[email protected]"],
+            generators = [
+                utils.LLVMDefaultBuildStatusGenerator(
+                    builders = [
+                        "profcheck"])
+            ]),
     ])
 
     return r

buildbot/osuosl/master/config/workers.py

@@ -424,9 +424,18 @@ def get_all():
         # Workers for the profcheck configuration
         # These workers run builds with LLVM_ENABLE_PROFCHECK=ON to ensure
         # that profile information is propagated correctly.
-        create_worker("profcheck-b1", properties={'jobs': 64}, max_builds=1),
-        create_worker("profcheck-b2", properties={'jobs': 64}, max_builds=1),
-
+        create_worker(
+            "profcheck-b1",
+            properties={"jobs": 64},
+            max_builds=1,
+            notify_on_missing=["[email protected]"],
+        ),
+        create_worker(
+            "profcheck-b2",
+            properties={"jobs": 64},
+            max_builds=1,
+            notify_on_missing=["[email protected]"],
+        ),
         # FIXME: A placeholder for annoying worker which nobody could stop.
         # adding it avoid logs spammed by failed authentication for that worker.
         create_worker("mlir-ubuntu-worker0"),