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samples: bpf: Add BPF support for devmap_xmit tracepoint
authorKumar Kartikeya Dwivedi <memxor@gmail.com>
Sat, 21 Aug 2021 00:19:58 +0000 (05:49 +0530)
committerAlexei Starovoitov <ast@kernel.org>
Tue, 24 Aug 2021 21:48:41 +0000 (14:48 -0700)
commitc73be1f7d4df2b524dabd349d411b3722663914b
treeef4db3627208ad4e9d9f81216c56ac8fa6b370fctree | snapshot
parenta9189e32924faf4559dd4a347ac7bd7ccbdc2c4ccommit | diff
samples: bpf: Add BPF support for devmap_xmit tracepoint

This adds support for the devmap_xmit tracepoint, and its multi device
variant that can be used to obtain streams for each individual
net_device to net_device redirection. This is useful for decomposing
total xmit stats in xdp_monitor.

Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20210821002010.845777-11-memxor@gmail.com
samples/bpf/xdp_sample.bpf.c diff | blob | history
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