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# 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.
#
"""Init Module for the Plotter Code"""
import pandas as pd
import LinePlot
import AttrConf
try:
import trappy.plotter.EventPlot
except ImportError:
pass
import Utils
import trappy
import IPythonConf
def register_forwarding_arg(arg_name):
"""Allows the user to register args to
be forwarded to matplotlib
:param arg_name: The arg to register
:type arg_name: str
"""
if arg_name not in AttrConf.ARGS_TO_FORWARD:
AttrConf.ARGS_TO_FORWARD.append(arg_name)
def unregister_forwarding_arg(arg_name):
"""Unregisters arg_name from being passed to
plotter matplotlib calls
:param arg_name: The arg to register
:type arg_name: str
"""
try:
AttrConf.ARGS_TO_FORWARD.remove(arg_name)
except ValueError:
pass
def plot_trace(trace,
execnames=None,
pids=None):
"""Creates a kernelshark like plot of the trace file
:param trace: The path to the trace or a trace object
:type trace: str, :mod:`trappy.trace.FTrace`, :mod:`trappy.trace.SysTrace`
or :mod:`trappy.trace.BareTrace`.
:param execnames: List of execnames to be filtered. If not
specified all execnames will be plotted
:type execnames: list, str
:param pids: List of pids to be filtered. If not specified
all pids will be plotted
:type pids: list, str
"""
if not IPythonConf.check_ipython():
raise RuntimeError("plot_trace needs ipython environment")
if not isinstance(trace, trappy.BareTrace):
if trace.endswith("html"):
trace = trappy.SysTrace(trace)
else:
trace = trappy.FTrace(trace)
data, procs, domain = Utils.get_trace_event_data(trace, execnames, pids)
trace_graph = EventPlot.EventPlot(data, procs, domain,
lane_prefix="CPU :",
num_lanes=int(trace._cpus))
trace_graph.view()
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