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| author | Kumar Kartikeya Dwivedi <[email protected]> | 2021-08-21 05:49:56 +0530 |
|---|---|---|
| committer | Alexei Starovoitov <[email protected]> | 2021-08-24 14:48:41 -0700 |
| commit | 0cf3c2fc4b1afbd8d9c376754af34c1d2bd56de7 (patch) | |
| tree | d67677135ba59e0b9cf4614f11704f075d52e815 /tools/perf/scripts/python/stackcollapse.py | |
| parent | 82c450803a917da6edb34a0a769d0b5a0b10990c (diff) | |
samples: bpf: Add BPF support for cpumap tracepoints
These are invoked in two places, when the XDP frame or SKB (for generic
XDP) enqueued to the ptr_ring (cpumap_enqueue) and when kthread processes
the frame after invoking the CPUMAP program for it (returning stats for
the batch).
We use cpumap_map_id to filter on the map_id as a way to avoid printing
incorrect stats for parallel sessions of xdp_redirect_cpu.
Signed-off-by: Kumar Kartikeya Dwivedi <[email protected]>
Signed-off-by: Alexei Starovoitov <[email protected]>
Link: https://lore.kernel.org/bpf/[email protected]
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
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