1 files changed, 75 insertions, 0 deletions
diff --git a/trappy/devfreq_power.py b/trappy/devfreq_power.py
new file mode 100644
index 0000000..a8a0ac1
--- /dev/null
+++ b/trappy/devfreq_power.py
@@ -0,0 +1,75 @@
+#    Copyright 2015-2017 ARM Limited
+#
+# 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.
+#
+
+
+"""Process the output of the devfreq_cooling devices in the current
+directory's trace.dat"""
+
+import pandas as pd
+
+from trappy.base import Base
+from trappy.dynamic import register_ftrace_parser
+
+
+class DevfreqInPower(Base):
+    """Process de devfreq cooling device data regarding get_power in an
+FTrace dump"""
+
+    name = "devfreq_in_power"
+    """The name of the :mod:`pandas.DataFrame` member that will be created in a
+    :mod:`trappy.ftrace.FTrace` object"""
+
+    unique_word="thermal_power_devfreq_get_power:"
+    """The event name in the trace"""
+
+    def get_all_freqs(self):
+        """Return a :mod:`pandas.DataFrame` with
+        the frequencies for the devfreq device
+
+        The format should be the same as the one for
+        :code:`CpuInPower().get_all_freqs()`.
+
+        .. note:: Frequencies are in MHz.
+        """
+
+        return pd.DataFrame(self.data_frame["freq"] / 1000000)
+
+register_ftrace_parser(DevfreqInPower, "thermal")
+
+
+class DevfreqOutPower(Base):
+    """Process de devfreq cooling device data regarding power2state in an
+ftrace dump"""
+
+    name = "devfreq_out_power"
+    """The name of the :mod:`pandas.DataFrame` member that will be created in a
+    :mod:`trappy.ftrace.FTrace` object"""
+
+    unique_word="thermal_power_devfreq_limit:"
+    """The event name in the trace"""
+
+    def get_all_freqs(self):
+        """Return a :mod:`pandas.DataFrame` with
+        the output frequencies for the devfreq device
+
+        The format should be the same as the one for
+        :code:`CpuOutPower().get_all_freqs()`.
+
+        .. note:: Frequencies are in MHz.
+        """
+
+        return pd.DataFrame(self.data_frame["freq"] / 1000000)
+
+register_ftrace_parser(DevfreqOutPower, "thermal")