Re: [PATCH 32/32] bpf: Introduce function for outputing data to perf event

[Wangnan (F)]

On 2015/8/29 10:22, Alexei Starovoitov wrote:
> On 8/28/15 7:15 PM, Wangnan (F) wrote:
> > I'd like to see whether it is possible to create dynamic tracepoints so
> > different receivers can listen on different tracepoints.
>
> see my proposal A. I think ftrace instances might work for this.
>
> I'm not sure about 'format' part though. Kernel side shouldn't be
> aware of it. It's only the contract between bpf program and user process
> that deals with it.
It is an option. Let's keep an open mind now :)

For current patch 32/32, I think it is useful enough for some simple cases,
and we have already start using it internally. What about keep it as what it
is now and create a independent method for your usecase?

Thank you.

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