Added is_supported class method into plugin API. It is used to detect if the plugin is supported by the HW and can be loaded.

tuned/plugins/base.py

@@ -19,6 +19,10 @@ class Plugin(object):
 	def tunable_devices(cls):
 		return None
 
+	@classmethod
+	def is_supported(cls):
+		return True
+
 	# instance methods
 
 	def __init__(self, devices = None, options = None):

tuned/plugins/plugin_eeepc_she.py

@@ -17,11 +17,14 @@ class EeePCSHEPlugin(tuned.plugins.Plugin):
 
 		self._she_mode = None
 		self._load_monitor = tuned.monitors.get_repository().create("load", devices)
+
+	@classmethod
+	def is_supported(cls):
 		try:
 			os.open("/sys/devices/platform/eeepc/cpufv", os.O_WRONLY)
+			return True
 		except:
-			log.info("eeepc_she is not supported on you system")
-			raise
+			return False
 
 	@classmethod
 	def _get_default_options(cls):

tuned/plugins/repository.py

@@ -31,6 +31,14 @@ class PluginRepository(tuned.patterns.Singleton):
 			plugin_exception = tuned.plugins.exception.LoadPluginException(plugin_name, exception)
 			raise plugin_exception
 
+	def is_supported(self, plugin_name):
+		try:
+			plugin_cls = self._loader.load(plugin_name)
+			return plugin_cls.is_supported()
+		except Exception as exception:
+			plugin_exception = tuned.plugins.exception.LoadPluginException(plugin_name, exception)
+			raise plugin_exception
+
 	def delete(self, plugin):
 		assert isinstance(plugin, self._loader.interface)
 		log.debug("removing plugin %s" % plugin)

tuned/profile.py

@@ -134,6 +134,12 @@ class Profile(object):
 
 	def _store_plugin_config(self, name, plugin_cfg):
 		plugin = plugin_cfg["type"]
+
+		# Check if the plugin is supported on this HW
+		if not tuned.plugins.get_repository().is_supported(plugin):
+			log.info("Plugin %s is not supported on this HW" % (plugin))
+			return
+
 		# If there are no devices set, set all tunable_devices as default
 		if not plugin_cfg.has_key("devices"):
 			try: