niklas/ros2_tracing
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Implement tracing integration

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This commit is contained in:
Christophe Bedard 2019-06-17 14:55:06 +02:00
parent bd0f23ba37
commit f0cfc13af5
2 changed files with 10 additions and 2 deletions
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1
package.xml
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@ -10,6 +10,7 @@
<depend>launch</depend> <depend>launch</depend>
<depend>launch_ros</depend> <depend>launch_ros</depend>
<depend>tracetools_trace</depend>
<test_depend>ament_copyright</test_depend> <test_depend>ament_copyright</test_depend>
<test_depend>ament_flake8</test_depend> <test_depend>ament_flake8</test_depend>

11
tracetools_launch/trace.py
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@ -8,6 +8,7 @@ from launch.action import Action
from launch.event import Event from launch.event import Event
from launch.event_handlers import OnShutdown from launch.event_handlers import OnShutdown
from launch.launch_context import LaunchContext from launch.launch_context import LaunchContext
from tracetools_trace.tools import lttng
from tracetools_trace.tools import names from tracetools_trace.tools import names
@ -41,9 +42,15 @@ class Trace(Action):
self._setup() self._setup()
def _setup(self): def _setup(self):
# TODO
print('setting up tracing!') print('setting up tracing!')
lttng.lttng_setup(
self.__session_name,
self.__path,
ros_events=self.__events_ust,
kernel_events=self.__events_kernel)
lttng.lttng_start(self.__session_name)
def _destroy(self, event: Event, context: LaunchContext): def _destroy(self, event: Event, context: LaunchContext):
# TODO
print('destroying tracing session!') print('destroying tracing session!')
lttng.lttng_stop(self.__session_name)
lttng.lttng_destroy(self.__session_name)