How to know which core dump belongs to which instance of exe?

Question

Suppose we have 4-5 instances running of one exe and in case if core dump is created. Then, How we could know like the particular core dump file belongs to which instance of exe?

Answer 1

Each core dump is associated with the PID of the process in question, so that's one way.

$ coredumpctl list

Lists available core dumps

$ coredumpctl info <PID>

Displays extended information about it.