Bug 872244 - Dump ANR stack traces after Android tests; r=jmaher

build/mobile/remoteautomation.py

@@ -116,7 +116,33 @@ class RemoteAutomation(Automation):
                 break
         return found_exception
 
+    def deleteANRs(self):
+        # delete ANR traces.txt file; usually need root permissions
+        traces = "/data/anr/traces.txt"
+        try:
+            self._devicemanager.shellCheckOutput(['rm', traces], root=True)
+        except DMError:
+            print "Error deleting %s" % traces
+            pass
+
+    def checkForANRs(self):
+        traces = "/data/anr/traces.txt"
+        if self._devicemanager.fileExists(traces):
+            try:
+                t = self._devicemanager.pullFile(traces)
+                print "Contents of %s:" % traces
+                print t
+                # Once reported, delete traces
+                self.deleteANRs()
+            except DMError:
+                print "Error pulling %s" % traces
+                pass
+        else:
+            print "%s not found" % traces
+
     def checkForCrashes(self, directory, symbolsPath):
+        self.checkForANRs()
+
         logcat = self._devicemanager.getLogcat(filterOutRegexps=fennecLogcatFilters)
         javaException = self.checkForJavaException(logcat)
         if javaException:

layout/tools/reftest/remotereftest.py

@@ -255,6 +255,7 @@ class RemoteReftest(RefTest):
             self.SERVER_STARTUP_TIMEOUT = 180
         else:
             self.SERVER_STARTUP_TIMEOUT = 90
+        self.automation.deleteANRs()
 
     def findPath(self, paths, filename = None):
         for path in paths:

testing/mochitest/runtestsremote.py

@@ -212,6 +212,7 @@ class MochiRemote(Mochitest):
         self._automation.setRemoteProfile(self.remoteProfile)
         self.remoteLog = options.remoteLogFile
         self.localLog = options.logFile
+        self._automation.deleteANRs()
 
     def cleanup(self, manifest, options):
         if self._dm.fileExists(self.remoteLog):