37 lines
1.2 KiB
Python
37 lines
1.2 KiB
Python
#!/usr/bin/env python3
|
|
# Entrypoint/script to setup and start an LTTng tracing session
|
|
|
|
import sys
|
|
import time
|
|
import argparse
|
|
from tracetools_trace.tools.lttng import (
|
|
lttng_setup,
|
|
lttng_start,
|
|
lttng_stop,
|
|
lttng_destroy,
|
|
)
|
|
|
|
def main():
|
|
parser = argparse.ArgumentParser(description='Setup and launch an LTTng tracing session.')
|
|
parser.add_argument('--session-name', '-s', dest='session_name',
|
|
default=f'session-{time.strftime("%Y%m%d%H%M%S")}',
|
|
help='the name of the tracing session (default: session-YYYYMMDDHHMMSS)')
|
|
parser.add_argument('--path', '-p', dest='path',
|
|
default='/tmp',
|
|
help='path of the base directory for trace data (default: %(default)s)')
|
|
args = parser.parse_args()
|
|
|
|
session_name = args.session_name
|
|
base_path = args.path
|
|
path = base_path + '/' + session_name
|
|
|
|
lttng_setup(session_name, path)
|
|
lttng_start(session_name)
|
|
print(f'tracing session started: {path}')
|
|
|
|
# TODO integrate this with launch + ROS shutdown
|
|
input('press enter to stop...')
|
|
|
|
print('stopping & destroying tracing session')
|
|
lttng_stop(session_name)
|
|
lttng_destroy(session_name)
|