On Thu, Sep 5, 2024 at 10:04 PM Viktor Malik <vmalik@xxxxxxxxxx> wrote:
>
> >
> > +1 to adding multi-attach fentry, even if it will have to duplicate trampolines
>
> That would resolve fentry but the same problem still exists for (raw)
> tracepoints. In bpftrace, you may want to do something like
> `tracepoint:syscalls:sys_enter_* { ... }` and at the moment, we still
> need to the cloning in such case.
Multi-tracepoint support in the kernel would be nice too.
Probably much easier to add than multi-fentry.
> But still, it does solve a part of the problem and could be useful for
> bpftrace to reduce the memory footprint for wildcarded fentry probes.
> I'll try to find some time to give this a shot (unless someone beats me
> to it).
Pls go ahead. I'm not aware of anyone working on it.
