netdev - Re: [PATCH bpf-next 2/3] bpf: emit RECORD_MMAP events for bpf prog load/unload

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Message-ID: <20180921135949.GD24124@hirez.programming.kicks-ass.net>
Date:   Fri, 21 Sep 2018 15:59:49 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     Alexei Starovoitov <alexei.starovoitov@...il.com>,
        Alexei Starovoitov <ast@...nel.org>,
        "David S . Miller" <davem@...emloft.net>, daniel@...earbox.net,
        netdev@...r.kernel.org, kernel-team@...com
Subject: Re: [PATCH bpf-next 2/3] bpf: emit RECORD_MMAP events for bpf prog
 load/unload

On Fri, Sep 21, 2018 at 09:25:00AM -0300, Arnaldo Carvalho de Melo wrote:
> There is another longstanding TODO list entry: PERF_RECORD_MMAP records
> should include a build-id

I throught the problem was that the kernel doesn't have the build-id in
the first place. So it cannot hand them out.