Messages in this thread | | | Date | Tue, 10 Dec 2013 16:47:48 +0100 | From | Ingo Molnar <> | Subject | Re: [RFC PATCH tip 0/5] tracing filters with BPF |
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* Alexei Starovoitov <ast@plumgrid.com> 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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