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Document test utils

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This commit is contained in:
Christophe Bedard 2019-06-03 09:52:20 +02:00
parent 29637221ca
commit 82ef066b16
1 changed files with 13 additions and 0 deletions
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13
tracetools_test/tracetools_test/utils.py
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@ -16,6 +16,15 @@ from tracetools_trace.tools.lttng import (
) )
def run_and_trace(base_path, session_name_prefix, ros_events, kernel_events, package_name, node_executable): def run_and_trace(base_path, session_name_prefix, ros_events, kernel_events, package_name, node_executable):
"""
Run a node while tracing
:param base_path (str): the base path where to put the trace directory
:param session_name_prefix (str): the session name prefix for the trace directory
:param ros_events (list(str)): the list of ROS UST events to enable
:param kernel_events (list(str)): the list of kernel events to enable
:param package_name (str): the name of the package to use
:param node_executable (str): the name of the node to execute
"""
session_name = f'{session_name_prefix}-{time.strftime("%Y%m%d%H%M%S")}' session_name = f'{session_name_prefix}-{time.strftime("%Y%m%d%H%M%S")}'
full_path = f'{base_path}/{session_name}' full_path = f'{base_path}/{session_name}'
print(f'trace directory: {full_path}') print(f'trace directory: {full_path}')
@ -40,6 +49,10 @@ def run_and_trace(base_path, session_name_prefix, ros_events, kernel_events, pac
def cleanup_trace(full_path): def cleanup_trace(full_path):
"""
Cleanup trace data
:param full_path (str): the full path to the main trace directory
"""
shutil.rmtree(full_path) shutil.rmtree(full_path)