Re: [PATCH v2 00/15] tracing: 'hist' triggers

[He Kuang]

hi, Tom

On 2015/3/3 3:55, Tom Zanussi wrote:
> BTW, I've actually tried to play around with the BPF samples/, but it 
> seems they're not actually hooked into the system i.e. the samples 
> Makefile doesn't build them, and it even looks for tools/llvm that's 
> not there. I got as far as getting the latest llvm from the location 
> mentioened in one of the bpf commit messages, but gave up after it 
> told me 'invalid target bpf'. And I couldn't find any documentation on 
> how to set it all up - did I just miss that? Tom 

I'd also encountered the same problem:

--enable-experimental-targets=BPF, 'BPF' letters must be uppercase. Have 
a try.
> > Thanks
>
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