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=-3.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 934D9C5519F for ; Mon, 16 Nov 2020 23:29:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 33E9F241A3 for ; Mon, 16 Nov 2020 23:29:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="UzxYHWKs" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729464AbgKPX3S (ORCPT ); Mon, 16 Nov 2020 18:29:18 -0500 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:46516 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729188AbgKPX3S (ORCPT ); Mon, 16 Nov 2020 18:29:18 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1605569357; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=29i5jFbCpMBjOMLduGjN9Ff1FImT1jBsomcSSYB+Xa0=; b=UzxYHWKsuyjDQAEZkXhc/Iy6tgwKXuNz24sG21OXT+WJMETXCv0T9nFOBXpE6BD06J3ykC CNVqr5j5Yf4FxKa753r5OLpISGt61RFSjVa2dxlGDIC1i4xXRnIc/XJWjoPnem+H465Nkl 4fOkphZkB7UYVDmaHp8P0LC+RQ5arcY= Received: from mail-wr1-f70.google.com (mail-wr1-f70.google.com [209.85.221.70]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-512-vdpoBbgdOg2E0CPIkAYQ1w-1; Mon, 16 Nov 2020 18:29:14 -0500 X-MC-Unique: vdpoBbgdOg2E0CPIkAYQ1w-1 Received: by mail-wr1-f70.google.com with SMTP id c8so11821291wrh.16 for ; Mon, 16 Nov 2020 15:29:14 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:in-reply-to:references:date :message-id:mime-version; bh=29i5jFbCpMBjOMLduGjN9Ff1FImT1jBsomcSSYB+Xa0=; b=lW783AnBD7sXCdAEjQPPTqB6Ls04nBgSQQdFtY7En1g/iXPadWirvkOvat6Tn8KIxZ p7uASmR21j5AgIq/uzlN2Q7LJtKNogesQpz14RqCqkknJouPEahakvCjzdj+mOPRew1e 9g8omq9elLcdSB5F8ZlGV746FFRjJR4ffZpPU2Hdt7hownPMcwS2DyAYNJ/HpCvHBISW 4Ho/mXGLqsiOQsRft/tkQ4ujYjA8QAx+SkVDI47pFCeyPpTAQ3w7osSoly5EMzfbzV6z GxXx3Yj3RujMhqMMqBMJdaw24aLlP0v2TYO1dTsDsIRQk9SOYZ4nYmGh3ZXm/mElWMoM Qgqw== X-Gm-Message-State: AOAM530lruMVSKArZAcvm6Qa6IV8tNJaL4BnDrvSqyW9Xvx5zd2euPy2 uD00cm1H7fq+kajN4dsUDL6FBFfv9HQ/5rdAEN5aCx57yr0dM4B7LrYQ/V/LaJ/JPQqdYgBZIB7 OHWlaD+7WXLmT X-Received: by 2002:a1c:9a12:: with SMTP id c18mr1237666wme.22.1605569353687; Mon, 16 Nov 2020 15:29:13 -0800 (PST) X-Google-Smtp-Source: ABdhPJwWxGtBfVK/PtwsEclUDT2ZDsuscK/pAbuvbQtVTslUxVNOxAbVUElLBYTRnCOnIIhk1a8TsQ== X-Received: by 2002:a1c:9a12:: with SMTP id c18mr1237648wme.22.1605569353538; Mon, 16 Nov 2020 15:29:13 -0800 (PST) Received: from alrua-x1.borgediget.toke.dk ([45.145.92.2]) by smtp.gmail.com with ESMTPSA id f11sm24314892wrs.70.2020.11.16.15.29.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 16 Nov 2020 15:29:12 -0800 (PST) Received: by alrua-x1.borgediget.toke.dk (Postfix, from userid 1000) id 6DD6E1833E0; Tue, 17 Nov 2020 00:29:11 +0100 (CET) From: Toke =?utf-8?Q?H=C3=B8iland-J=C3=B8rgensen?= To: Jesper Dangaard Brouer , Alexei Starovoitov Cc: Hangbin Liu , Stephen Hemminger , David Ahern , Daniel Borkmann , Martin KaFai Lau , Song Liu , Yonghong Song , David Miller , Network Development , bpf , Jiri Benc , brouer@redhat.com Subject: Re: [PATCHv5 iproute2-next 0/5] iproute2: add libbpf support In-Reply-To: <20201116155446.16fe46cf@carbon> References: <20201109070802.3638167-1-haliu@redhat.com> <20201116065305.1010651-1-haliu@redhat.com> <20201116155446.16fe46cf@carbon> X-Clacks-Overhead: GNU Terry Pratchett Date: Tue, 17 Nov 2020 00:29:11 +0100 Message-ID: <87tuto3mpk.fsf@toke.dk> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Jesper Dangaard Brouer writes: > When compiled against dynamic libbpf, then I would use 'ldd' command to > see what libbpf lib version is used. When compiled/linked statically > against a custom libbpf version (already supported via LIBBPF_DIR) then > *I* think is difficult to figure out that version of libbpf I'm using. > Could we add the libbpf version info in 'tc -V', as then it would > remove one of my concerns with static linking. Agreed, I think we should definitely add the libbpf version to the tool version output. -Toke