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Centralize default trace location

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This commit is contained in:
Christophe Bedard 2019-07-05 14:46:02 +02:00
parent 078ebc411a
commit 1eacc66c97
7 changed files with 69 additions and 23 deletions
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3
tracetools_launch/launch/example.launch.py
View file

@ -22,8 +22,7 @@ from tracetools_launch.action import Trace
def generate_launch_description():
return LaunchDescription([
Trace(
session_name='my-tracing-session',
base_path='/tmp'),
session_name='my-tracing-session'),
Node(
package='tracetools_test',
node_executable='test_ping',

11
tracetools_launch/tracetools_launch/action.py
View file

@ -24,6 +24,7 @@ from launch.event_handlers import OnShutdown
from launch.launch_context import LaunchContext
from tracetools_trace.tools import lttng
from tracetools_trace.tools import names
from tracetools_trace.tools import path
class Trace(Action):
@ -37,7 +38,7 @@ class Trace(Action):
self,
*,
session_name: str,
base_path: str = '/tmp',
base_path: str = path.DEFAULT_BASE_PATH,
events_ust: List[str] = names.DEFAULT_EVENTS_ROS,
events_kernel: List[str] = names.DEFAULT_EVENTS_KERNEL,
**kwargs,
@ -46,13 +47,13 @@ class Trace(Action):
Constructor.
:param session_name: the name of the tracing session
:param base_path: the base directory in which to create the trace directory
:param base_path: the path to the base directory in which to create the tracing session directory
:param events_ust: the list of ROS UST events to enable
:param events_kernel: the list of kernel events to enable
"""
super().__init__(**kwargs)
self.__session_name = session_name
self.__path = os.path.join(base_path, session_name)
self.__base_path = base_path
self.__events_ust = events_ust
self.__events_kernel = events_kernel
@ -65,7 +66,7 @@ class Trace(Action):
def _setup(self) -> None:
lttng.lttng_init(
self.__session_name,
self.__path,
self.__base_path,
ros_events=self.__events_ust,
kernel_events=self.__events_kernel)
@ -76,7 +77,7 @@ class Trace(Action):
return (
"Trace("
f"session_name='{self.__session_name}', "
f"path='{self.__path}', "
f"base_path='{self.__base_path}', "
f"num_events_ust={len(self.__events_ust)}, "
f"num_events_kernel={len(self.__events_kernel)})"
)