ROS 2 Real-time Working Group Online Meeting 18 - May 26, 2020 - Meeting Minutes

[takuya.azumi]

@philipp Thanks for your suggestion.
@razr @Dejan_Pangercic If possible, could you add this to the agenda for the next WG meeting on July 7?
@y-okumura-isp (another member of ISP) will make a presentation on the topic.

Threaded Callback with priority, affinity and overrun handler

Hello. We are investigating and studying the ROS2 real-time in a team. In the previous post bellow, we reported about thread priority setting of main-thread and DDS child thread. In these post we reported that thread proity could affect the jitter of sleep or timing of callback. But if threads are in dirrefent CPU core, they do not affect each other. So it seems natural to run callback as thread with specific CPU core and scheduling policy. In fact, tasks are executed as “thread” in RTOS.…