1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
# 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 power allocator's PID controller in the
current directory's trace.dat"""
from trappy.base import Base
from trappy.dynamic import register_ftrace_parser
class PIDController(Base):
"""Process the power allocator PID controller data in a FTrace dump"""
name = "pid_controller"
"""The name of the :mod:`pandas.DataFrame` member that will be created in a
:mod:`trappy.ftrace.FTrace` object"""
pivot = "thermal_zone_id"
"""The Pivot along which the data is orthogonal"""
unique_word="thermal_power_allocator_pid"
"""The event name in the trace"""
def plot_controller(self, title="", width=None, height=None, ax=None):
"""Plot a summary of the controller data
:param ax: Axis instance
:type ax: :mod:`matplotlib.Axis`
:param title: The title of the plot
:type title: str
:param width: The width of the plot
:type width: int
:param height: The height of the plot
:type int: int
"""
import trappy.plot_utils
title = trappy.plot_utils.normalize_title("PID", title)
if not ax:
ax = trappy.plot_utils.pre_plot_setup(width, height)
self.data_frame[["output", "p", "i", "d"]].plot(ax=ax)
trappy.plot_utils.post_plot_setup(ax, title=title)
register_ftrace_parser(PIDController, "thermal")
|
