Add validation for performance tuning option

[ta/cm-plugins.git] / recuserconfighandlers / recperformanceprofileshandler / recperformanceprofileshandler.py

diff --git a/recuserconfighandlers/recperformanceprofileshandler/recperformanceprofileshandler.py b/recuserconfighandlers/recperformanceprofileshandler/recperformanceprofileshandler.py
new file mode 100644 (file)
index 0000000..703d0da
--- /dev/null
+++ b/recuserconfighandlers/recperformanceprofileshandler/recperformanceprofileshandler.py
@@ -0,0 +1,43 @@
+#! /usr/bin/python
+# Copyright 2019 Nokia
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from cmframework.apis import cmuserconfig
+from cmframework.apis import cmerror
+from cmdatahandlers.api import configerror
+
+"""
+This plugin is used to handle REC specific performance profiles configs.
+"""
+
+
+class recperformanceprofileshandler(cmuserconfig.CMUserConfigPlugin):
+    low_latency_options = [
+        'intel_idle.max_cstate=5',
+        'processor.max_cstate=5',
+    ]
+
+    def __init__(self):
+        super(recperformanceprofileshandler, self).__init__()
+
+    def handle(self, confman):
+        try:
+            self._set_low_latency_options(confman)
+        except configerror.ConfigError as exp:
+            raise cmerror.CMError(str(exp))
+
+    def _set_low_latency_options(self, confman):
+        perfprofconf = confman.get_performance_profiles_config_handler()
+        for profile in perfprofconf.get_performance_profiles():
+            perfprofconf.set_low_latency_kcmd_options(profile, self.low_latency_options)