fix: check_ctf warning message

[ymski]

Description

After #PR296, the warning given by ros2 caret check_ctf was not appropriate.

CARET uses the original tracepoint definition to calculate latency.
ros2 caret check_ctf is a checking command for the above tracepoints.
If there were no original tracepoints, we output the warning, but the following warning was also output even when the analysis could be carried out normally.

Failed to find trace point added by caret-rclcpp.
To check whether binary are built with caret-rclcpp,
run CARET CLI : ros2 caret check_caret_rclcpp.

The warnings are erroneously output in the following cases：

In the following cases, analysis could be performed but a warning was output.

• Built with caret-rclcpp, but the application doesn't have intra-process communication

Related links

• feat: support rmw take #296

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[isp-uetsuki]

LGTM

[takeshi-iwanari]

I attached how warning is output for each version and each condition. Everything looks okay to me. Could you also confirm if they are as you intended?
If it's okay, we can merge it.

CARET_trace	TraceData	caret/rclcpp	LD_PRELOAD	Result (Displayed warning)	Result	Note
V0.4.11	caret_demos (no intra comm)	y	y	No Warning	OK	w/ v0.4.11: Failed to find trace point added by caret-rclcpp. The original issue is fixed
V0.4.11	caret_demos (no intra comm)	y	n	Failed to find trace point added by LD_PRELOAD	OK
V0.4.11	caret_demos (no intra comm)	n	y	No Warning	OK	w/ v0.4.11: Failed to find trace point added by caret-rclcpp. Behavior changed but it's okay
V0.4.11	caret_demos (no intra comm)	n	n	Failed to find trace point added by LD_PRELOAD	OK
V0.4.11	Autoware (has intra comm)	y	y	No Warning	OK	w/ v0.4.11: no warning because it has intra comm
V0.4.11	Autoware (has intra comm)	y	n	Failed to find trace point added by LD_PRELOAD	OK
V0.4.11	Autoware (has intra comm)	n	y	Failed to find trace points added by caret-rclcpp. If the application doesn't have any intra communication, please ignore this message. To check whether binary are built with caret-rclcpp, run CARET CLI : ros2 caret check_caret_rclcpp.	OK	w/ v0.4.11: Failed to find trace point added by caret-rclcpp.
V0.4.11	Autoware (has intra comm)	n	n	Failed to find trace point added by LD_PRELOAD	OK
V0.4.11	Autoware (has intra comm)+light	y	y	No Warning	OK	w/ v0.4.11: no warning because it has intra comm
V0.4.11	Autoware (has intra comm)+light	y	n	Failed to find trace point added by LD_PRELOAD	OK
V0.4.11	Autoware (has intra comm)+light	n	y	Failed to find trace points added by caret-rclcpp. If the application doesn't have any intra communication, please ignore this message. To check whether binary are built with caret-rclcpp, run CARET CLI : ros2 caret check_caret_rclcpp.	OK	w/ v0.4.11: Failed to find trace point added by caret-rclcpp.
V0.4.11	Autoware (has intra comm)+light	n	n	Failed to find trace point added by LD_PRELOAD	OK
V0.4.8	caret_demos (no intra comm)	y	y	No Warning	OK
V0.4.8	caret_demos (no intra comm)	y	n	Failed to find trace point added by LD_PRELOAD	OK
V0.4.8	caret_demos (no intra comm)	n	y	Failed to find trace points added by caret-rclcpp. To check whether binary are built with caret-rclcpp, run CARET CLI : ros2 caret check_caret_rclcpp.	OK
V0.4.8	caret_demos (no intra comm)	n	n	Failed to find trace point added by LD_PRELOAD	OK
V0.4.8	Autoware (has intra comm)+light	y	y	No Warning	OK	w/ v0.4.11: no warning because it has intra comm
V0.4.8	Autoware (has intra comm)+light	y	n	Failed to find trace point added by LD_PRELOAD	OK
V0.4.8	Autoware (has intra comm)+light	n	y	Failed to find trace points added by caret-rclcpp. If the application doesn't have any intra communication, please ignore this message	OK	w/ v0.4.11: Failed to find trace point added by caret-rclcpp. To check whether binary are built with caret-rclcpp,run CARET CLI
V0.4.8	Autoware (has intra comm)+light	n	n	Failed to find trace point added by LD_PRELOAD	OK

[ymski]

@takeshi-iwanari

Thank you for validating the various cases.
The table you provided appears to be working as intended.