Re: [RFC PATCH bpf-next v1 0/3] bpf: Add BPF program type for overriding tracepoint probes

[Fuyu Zhao]

On 9/18/2025 11:24 PM, Steven Rostedt wrote:
> On Thu, 18 Sep 2025 20:33:22 +0800
> Fuyu Zhao <zhaofuyu@xxxxxxxx> wrote:
> 
>> At the moment, I don’t have a solid real-world example to provide.
>> This work is still in an exploratory stage.
> 
> We shouldn't be in the business of "if you build it, they will come".
> Unless there is a concrete use case now, I would not be adding anything.
> 
> My entire workflow for what I created in the tracing system was "I have a
> need, I will implement it". The "need" came first. I then wrote code to
> satisfy that need. It should not be the other way around.
> 
> -- Steve

Thanks a lot for the feedback and guidance.

I understand your point that new functionality should be driven by real
needs rather than exploratory ideas.

I’ll keep looking into this. If I find a concrete use case that
demonstrates clear value, I’ll bring it back for discussion.

Thanks again.