Re: [RFC PATCH tip 0/5] tracing filters with BPF

[Ingo Molnar]

* Alexei Starovoitov <ast@xxxxxxxxxxxx> wrote:

> > I'm fine if it becomes a requirement to have a vmlinux built with 
> > DEBUG_INFO to use BPF and have a tool like perf to translate the 
> > filters. But it that must not replace what the current filters do 
> > now. That is, it can be an add on, but not a replacement.
> 
> Of course. tracing filters via bpf is an additional tool for kernel 
> debugging. bpf by itself has use cases beyond tracing.

Well, Steve has a point: forcing DEBUG_INFO is a big showstopper for 
most people.

Would it be possible to make BFP filters recognize exposed details 
like the current filters do, without depending on the vmlinux?

Thanks,

	Ingo
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