From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AF45CC352A5 for ; Mon, 10 Feb 2020 15:51:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 885C12085B for ; Mon, 10 Feb 2020 15:51:21 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="DcElZ8Fk" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727695AbgBJPvU (ORCPT ); Mon, 10 Feb 2020 10:51:20 -0500 Received: from mail-qk1-f195.google.com ([209.85.222.195]:42064 "EHLO mail-qk1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727634AbgBJPvU (ORCPT ); Mon, 10 Feb 2020 10:51:20 -0500 Received: by mail-qk1-f195.google.com with SMTP id q15so6931702qke.9; Mon, 10 Feb 2020 07:51:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=YVjuzOjf5jIj1NQgZ5KfZIi1a0fBwZEsl9wI2Km+hW0=; b=DcElZ8FkTJSjTPoesg3yiaUvLuXZKrhCV8Y93Q4i7ckb//Kww1dVDRlPjO/AfDKzxB zkgNg1z94eXHlTZICKjPOvPOD3Xej/HFnPJiDJHSgLG11khSXjEyKYkdYJtfBEpJCpwR evuf7sNcAxh02SKkhshlmSSU3b3AuZiKkLJoBDbQQJJKIYsDZx4yeWK60T9BPChcsd11 YsTSsdlUvswUl6NRiPLgnem0+ntlIepvKxobZfJcVqWJ3FkCB+bHPvlnd8yH5vO4CBpD lzfl86hOo0JWmuKD7I7U/sINsjaQ085E4EUAyuhOKwK8HXe00aZ/65sIsNkBgwk7zmcL ZOsw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=YVjuzOjf5jIj1NQgZ5KfZIi1a0fBwZEsl9wI2Km+hW0=; b=VL06M8kMVNXnzako2yh2CDsaqhUO/htPNg9QpX0eJdHjSUhZwV1S1IVQpKt6Co7LGO rl4LyJ5BWQJOHLKHdLwITfCI2NuYAZ/y1qz3EHkvs7NcQpdwa1Mq5/odInulh7+tHa2V m/VCKoK9LmYAMOJNdMAyVsgDfULtbjmHLHKYWnx19X9PQgHEANelja0YDUJez16l4awz kG4dnEIBsJSf9pnRW21Mw6rlJ1AH/jGy281gL++rhT082AUUUU0U2dniKNEt3yplB2IU Tz8h4+9XL3Wy9Hx95yTIIvXxQB6trscMtNEUtVCODwCHRocvgX/3SKkZKNyFILzMuIga Dp5Q== X-Gm-Message-State: APjAAAXUmHtVHv3JWRUJKwgGezSz0W1IyEYgLh0yA84jVD7UlVOO9M4D kibcplwBHpGAmaTkPp9BR/44d7YBG/AkSalvgV0= X-Google-Smtp-Source: APXvYqw8zH1HreqSp2uI3VS9MsuFTrEZLbox+1tmNUYU7Th8P8emTHEfbeJNnQhk0hUJf8eEEa7umPpfdo6LSaiQomU= X-Received: by 2002:ae9:e10a:: with SMTP id g10mr1929397qkm.493.1581349879337; Mon, 10 Feb 2020 07:51:19 -0800 (PST) MIME-Version: 1.0 References: <20200208154209.1797988-1-jolsa@kernel.org> In-Reply-To: <20200208154209.1797988-1-jolsa@kernel.org> From: =?UTF-8?B?QmrDtnJuIFTDtnBlbA==?= Date: Mon, 10 Feb 2020 16:51:08 +0100 Message-ID: Subject: Re: [PATCH 00/14] bpf: Add trampoline and dispatcher to /proc/kallsyms To: Jiri Olsa Cc: Alexei Starovoitov , Daniel Borkmann , Netdev , bpf , Andrii Nakryiko , Yonghong Song , Song Liu , Martin KaFai Lau , Jakub Kicinski , David Miller , =?UTF-8?B?QmrDtnJuIFTDtnBlbA==?= , John Fastabend , Jesper Dangaard Brouer Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org On Sat, 8 Feb 2020 at 16:42, Jiri Olsa wrote: > > hi, > this patchset adds trampoline and dispatcher objects > to be visible in /proc/kallsyms. The last patch also > adds sorting for all bpf objects in /proc/kallsyms. > Thanks for working on this! I'm probably missing something with my perf setup; I've applied your patches, and everything seem to work fine from an kallsyms perspective: # grep bpf_dispatcher_xdp /proc/kallsyms ... ffffffffc0511000 t bpf_dispatcher_xdp [bpf] However, when I run # perf top I still see the undecorated one: 0.90% [unknown] [k] 0xffffffffc0511037 Any ideas? Bj=C3=B6rn