linux-kernel - Re: [RFC 1/2] perf: support build BPF skeletons with perf

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Message-ID: <F035411D-BC52-4A65-97FE-D53120E06689@fb.com>
Date:   Tue, 24 Nov 2020 23:52:43 +0000
From:   Song Liu <songliubraving@...com>
To:     Jiri Olsa <jolsa@...hat.com>
CC:     open list <linux-kernel@...r.kernel.org>,
        Kernel Team <Kernel-team@...com>,
        "peterz@...radead.org" <peterz@...radead.org>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "acme@...nel.org" <acme@...nel.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "alexander.shishkin@...ux.intel.com" 
        <alexander.shishkin@...ux.intel.com>,
        "namhyung@...nel.org" <namhyung@...nel.org>
Subject: Re: [RFC 1/2] perf: support build BPF skeletons with perf



> On Nov 22, 2020, at 3:35 PM, Jiri Olsa <jolsa@...hat.com> wrote:
> 
> On Wed, Nov 18, 2020 at 08:50:45PM -0800, Song Liu wrote:
>> BPF programs are useful in perf to profile BPF programs. BPF skeleton is
>> by far the easiest way to write BPF tools. Enable building BPF skeletons
>> in util/bpf_skel. A dummy bpf skeleton is added. More bpf skeletons will
>> be added for different use cases.
> 
> I was just in a place adding bpf program to perf as well,
> so this will save me some time ;-) thanks!

I'd love to learn about your plan. Maybe we have some similar ideas, 
and could collaborate on them. 

Thanks,
Song