error: could not open bpf map: buffer, error: Invalid argument
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Description
I want to try this sample: https://github.com/iovisor/bcc/blob/e83019bdf6c400b589e69c7d18092e38088f89a8/examples/ringbuf/ringbuf_output.py
But there is an error when I execute it: could not open bpf map: buffer, error: Invalid argument.
It seems on line 29:
https://github.com/iovisor/bcc/blob/e83019bdf6c400b589e69c7d18092e38088f89a8/examples/ringbuf/ringbuf_output.py#L29
How can I solve this problem?
thanks!
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