Libbpf userspace function perf_buffer__consume_buffer

0.2.0

Consume data from perf ring buffer corresponding to slot buf_idx in BPF_MAP_TYPE_PERF_EVENT_ARRAY BPF map without waiting/polling. If there is no data to consume, do nothing and return success.

Definition

int perf_buffer__consume_buffer(struct perf_buffer *pb, size_t buf_idx);

Parameters

• pb: perf buffer manager to consume data from
• buf_idx: index of the perf ring buffer to consume data from

Returns

0 on success; <0 on failure.

Usage

Docs could be improved

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Example

Docs could be improved

This part of the docs is incomplete, contributions are very welcome