Libbpf userspace function ring_buffer__poll
Poll for available data and consume records, if any are available.
Definition
int ring_buffer__poll(struct ring_buffer *rb, int timeout_ms);
Parameters
rb: ring buffer manager to polltimeout_ms: timeout in milliseconds, wait for this long if no data is available
Returns
Number of records consumed (or INT_MAX, whichever is less), or negative number, if any of the registered callbacks returned error.
Usage
Call this function to poll for available data on any of the ring buffers that are part of the ring buffer manager. If any data is available, the registered callback functions will be called. If no data is available, the function will wait for timeout_ms milliseconds for data to arrive and will block until then.
Example
Docs could be improved
This part of the docs is incomplete, contributions are very welcome