netdev - Re: [PATCH 18/18] perf annotate: Add base support for bpf

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Message-ID: <CAPhsuW7QCFzUPKvLKa4gdzozSPpeAimzw8W5HQKKW6AH4rhTfQ@mail.gmail.com>
Date:   Wed, 26 Feb 2020 21:54:16 -0800
From:   Song Liu <song@...nel.org>
To:     Jiri Olsa <jolsa@...nel.org>
Cc:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Networking <netdev@...r.kernel.org>, bpf <bpf@...r.kernel.org>,
        Andrii Nakryiko <andriin@...com>, Yonghong Song <yhs@...com>,
        Song Liu <songliubraving@...com>,
        Martin KaFai Lau <kafai@...com>,
        Jakub Kicinski <kuba@...nel.org>,
        David Miller <davem@...hat.com>,
        Björn Töpel <bjorn.topel@...el.com>,
        John Fastabend <john.fastabend@...il.com>,
        Jesper Dangaard Brouer <hawk@...nel.org>,
        Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: Re: [PATCH 18/18] perf annotate: Add base support for bpf_image

On Wed, Feb 26, 2020 at 5:06 AM Jiri Olsa <jolsa@...nel.org> wrote:
>
> Adding the DSO_BINARY_TYPE__BPF_IMAGE dso binary type
> to recognize bpf images that carry trampoline or dispatcher.
>
> Upcoming patches will add support to read the image data,
> store it within the BPF feature in perf.data and display
> it for annotation purposes.
>
> Currently we only display following message:
>
>   # ./perf annotate bpf_trampoline_24456 --stdio
>    Percent |      Source code & Disassembly of . for cycles (504  ...
>   --------------------------------------------------------------- ...
>            :       to be implemented
>
> Signed-off-by: Jiri Olsa <jolsa@...nel.org>

Acked-by: Song Liu <songliubraving@...com>