Libbpf userspace function ring__size
Returns the total size of the ring buffer's map data area (excluding special producer/consumer pages). Effectively this gives the amount of usable bytes of data inside the ring buffer.
Definition
size_t ring__size(const struct ring *r);
Parameters
r: A ring buffer object.
Return
The total size of the ring buffer map data area.
Usage
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Example
Docs could be improved
This part of the docs is incomplete, contributions are very welcome