tree 5d1c1b906f65be76a241f25c93ad6c1163ab6e78
parent 2ad16b970a6e80cc82abe78386fa9257169d238e
author Martin Kelly <martin.kelly@crowdstrike.com> 1695678638 -0700
committer Andrii Nakryiko <andrii.nakryiko@gmail.com> 1696270668 -0700

libbpf: Add ring__avail_data_size

Add ring__avail_data_size for querying the currently available data in
the ringbuffer, similar to the BPF_RB_AVAIL_DATA flag in
bpf_ringbuf_query. This is racy during ongoing operations but is still
useful for overall information on how a ringbuffer is behaving.

Signed-off-by: Martin Kelly <martin.kelly@crowdstrike.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20230925215045.2375758-8-martin.kelly@crowdstrike.com