On Sun, Feb 16, 2020 at 8:43 PM Hayden Livingston
<[email protected]> wrote:
>
> Imagine I have a per-cpu perf ring buffer for all my cpus.
>
> Now I have two eBPF programs.
>
> In both these eBPF programs I do bpf_update_elem(myFD, &cpunumberkey,
> &fdOfCPUspecificBuffer, BPF_ANY)
>
> Will this mean that multiple eBPF programs will be able to write their
> data into a single buffer (of course associated with cpu).
>
> This would be amazing if it is truly possible. It seems like it should
> be possible.

Yes, you can do this.

>
> I have not tried yet.
>
> 
>

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