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2020-01-20samples/bpf: Use consistent include paths for libbpfToke Høiland-Jørgensen1-1/+1
Fix all files in samples/bpf to include libbpf header files with the bpf/ prefix, to be consistent with external users of the library. Also ensure that all includes of exported libbpf header files (those that are exported on 'make install' of the library) use bracketed includes instead of quoted. To make sure no new files are introduced that doesn't include the bpf/ prefix in its include, remove tools/lib/bpf from the include path entirely, and use tools/lib instead. Fixes: 6910d7d3867a ("selftests/bpf: Ensure bpf_helper_defs.h are taken from selftests dir") Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Jesper Dangaard Brouer <brouer@redhat.com> Acked-by: Andrii Nakryiko <andriin@fb.com> Link: https://lore.kernel.org/bpf/157952560911.1683545.8795966751309534150.stgit@toke.dk
2019-06-24samples: bpf: Remove bpf_debug macro in favor of bpf_printkMichal Rostecki1-12/+6
ibumad example was implementing the bpf_debug macro which is exactly the same as the bpf_printk macro available in bpf_helpers.h. This change makes use of bpf_printk instead of bpf_debug. Signed-off-by: Michal Rostecki <mrostecki@opensuse.org> Acked-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-03-27BPF: Add sample code for new ib_umad tracepointIra Weiny1-0/+144
Provide a count of class types for a summary of MAD packets. The example shows one way to filter the trace data based on management class. Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>