Re: [PATCH v6 bpf-next 08/11] bpf: introduce BPF_RAW_TRACEPOINT

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On Tue, 27 Mar 2018 13:02:11 -0400
Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:

> Honestly, I think this is too much of a short cut and a hack. I know
> you want to keep it "simple" and save space, but you really should do
> it the same way ftrace and perf do it. That is, create a section and
> have all tracepoints create a structure that holds a pointer to the
> tracepoint and to the bpf probe function. Then you don't even need the
> kernel_tracepoint_find_by_name(), you just iterate over your table and
> you get the tracepoint and the bpf function associated to it.

Also, if you do it the perf/ftrace way, you get support for module
tracepoints pretty much for free. Which would include tracepoints in
networking code that is loaded by a module.

-- Steve
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