Bug 1078274 - [mozdevice] Add memtotal to getInfo with implementation in DeviceManagerADB. r=wlach

testing/mozbase/mozdevice/mozdevice/devicemanager.py

@@ -112,6 +112,7 @@ class DeviceManager(object):
           - `systime` - system time of the device
           - `screen` - screen resolution
           - `memory` - memory stats
+          - `memtotal` - total memory available on the device, for example 927208 kB
           - `process` - list of running processes (same as ps)
           - `disk` - total, free, available bytes on disk
           - `power` - power status (charge, battery temp)

testing/mozbase/mozdevice/mozdevice/devicemanagerADB.py

@@ -514,6 +514,12 @@ class DeviceManagerADB(DeviceManager):
             ret["process"] = self.shellCheckOutput(["ps"])
         if directive == "systime" or directive == "all":
             ret["systime"] = self.shellCheckOutput(["date"])
+        if directive == "memtotal" or directive == "all":
+            meminfo = {}
+            for line in self.pullFile("/proc/meminfo").splitlines():
+                key, value = line.split(":")
+                meminfo[key] = value.strip()
+            ret["memtotal"] = meminfo["MemTotal"]
         self._logger.info(ret)
         return ret