netdev - [PATCH bpf-next 0/2] libbpf: add perf buffer API

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Date:   Tue, 25 Jun 2019 16:25:59 -0700
From:   Andrii Nakryiko <andriin@...com>
To:     <andrii.nakryiko@...il.com>, <ast@...com>, <daniel@...earbox.net>,
        <bpf@...r.kernel.org>, <netdev@...r.kernel.org>,
        <kernel-team@...com>
CC:     Andrii Nakryiko <andriin@...com>
Subject: [PATCH bpf-next 0/2] libbpf: add perf buffer API

This patchset adds a high-level API for setting up and polling perf buffers
associated with BPF_MAP_TYPE_PERF_EVENT_ARRAY map. Details of APIs are
described in corresponding commit.

Andrii Nakryiko (2):
  libbpf: add perf buffer reading API
  selftests/bpf: test perf buffer API

 tools/lib/bpf/libbpf.c                        | 282 ++++++++++++++++++
 tools/lib/bpf/libbpf.h                        |  12 +
 tools/lib/bpf/libbpf.map                      |   5 +-
 .../selftests/bpf/prog_tests/perf_buffer.c    |  86 ++++++
 .../selftests/bpf/progs/test_perf_buffer.c    |  31 ++
 5 files changed, 415 insertions(+), 1 deletion(-)
 create mode 100644 tools/testing/selftests/bpf/prog_tests/perf_buffer.c
 create mode 100644 tools/testing/selftests/bpf/progs/test_perf_buffer.c

-- 
2.17.1