Re: [PATCH v3 bpf-next 0/4] Add support for cgroup bpf_link

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On 3/31/20 3:51 PM, Edward Cree wrote:
> On 31/03/2020 04:54, Andrii Nakryiko wrote:
>> No need to kill random processes, you can kill only those that hold
>> bpf_link FD. You can find them using drgn tool with script like [0].
> For the record, I find the argument "we don't need a query feature,
>  because you can just use a kernel debugger" *utterly* *horrifying*.
> Now, it seems to be moot, because Alexei has given other, better
>  reasons why query doesn't need to land yet; but can we please not
>  ever treat debugging interfaces as a substitute for proper APIs?
> 
> </scream>
> -ed
> 

just about to send the same intent. Dev packages and processing
/proc/kcore is not a proper observability API for production systems.



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