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=-6.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 877B3C432C0 for ; Wed, 27 Nov 2019 09:48:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 57EE32071E for ; Wed, 27 Nov 2019 09:48:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1574848138; bh=ClCXA8Vpm0xxQuJZfbxQ7kVMSuQKf74mRfmBlPUVQ3o=; h=From:To:Cc:Subject:Date:List-ID:From; b=papWu/zNSCNqJIWZ+Lj378/nwpyjIDtGDBZllaHin9zkA9eBhDGcaSx6gy8+uSywJ k17bln0/ehWBxBhQRCYq2XQ4bxuTQUJz3NrcVsFTPM/7OCbQ+DR8YpNl0XGJD8pyYw QA1HKQzyfYOVVprnWpbFXEQ8PY8A14ezeq2YkGXI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726822AbfK0Jsy convert rfc822-to-8bit (ORCPT ); Wed, 27 Nov 2019 04:48:54 -0500 Received: from us-smtp-2.mimecast.com ([207.211.31.81]:24204 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726634AbfK0Jsx (ORCPT ); Wed, 27 Nov 2019 04:48:53 -0500 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-87-NFXHfLVYNiSAs2jPeVzGOA-1; Wed, 27 Nov 2019 04:48:49 -0500 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 1BD0380183D; Wed, 27 Nov 2019 09:48:47 +0000 (UTC) Received: from krava.redhat.com (unknown [10.43.17.48]) by smtp.corp.redhat.com (Postfix) with ESMTP id B627E5D6C8; Wed, 27 Nov 2019 09:48:38 +0000 (UTC) From: Jiri Olsa To: Arnaldo Carvalho de Melo Cc: lkml , netdev@vger.kernel.org, bpf@vger.kernel.org, Ingo Molnar , Namhyung Kim , Alexander Shishkin , Peter Zijlstra , Michael Petlan , =?UTF-8?q?Toke=20H=C3=B8iland-J=C3=B8rgensen?= , Jesper Dangaard Brouer , Daniel Borkmann , Alexei Starovoitov , Martin KaFai Lau , Song Liu , Yonghong Song , Andrii Nakryiko Subject: [PATCH 0/3] perf/bpftool: Allow to link libbpf dynamically Date: Wed, 27 Nov 2019 10:48:34 +0100 Message-Id: <20191127094837.4045-1-jolsa@kernel.org> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-MC-Unique: NFXHfLVYNiSAs2jPeVzGOA-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org hi, adding support to link bpftool with libbpf dynamically, and config change for perf. It's now possible to use: $ make -C tools/bpf/bpftool/ LIBBPF_DYNAMIC=1 which will detect libbpf devel package with needed version, and if found, link it with bpftool. It's possible to use arbitrary installed libbpf: $ make -C tools/bpf/bpftool/ LIBBPF_DYNAMIC=1 LIBBPF_DIR=/tmp/libbpf/ I based this change on top of Arnaldo's perf/core, because it contains libbpf feature detection code as dependency. It's now also synced with latest bpf-next, so Toke's change applies correctly. Also available in: git://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git libbpf/dyn thanks, jirka --- Jiri Olsa (2): perf tools: Allow to specify libbpf install directory bpftool: Allow to link libbpf dynamically Toke Høiland-Jørgensen (1): libbpf: Export netlink functions used by bpftool tools/bpf/bpftool/Makefile | 40 +++++++++++++++++++++++++++++++++++++++- tools/build/feature/test-libbpf.c | 9 +++++++++ tools/lib/bpf/libbpf.h | 22 +++++++++++++--------- tools/lib/bpf/libbpf.map | 7 +++++++ tools/lib/bpf/nlattr.h | 15 ++++++++++----- tools/perf/Makefile.config | 27 ++++++++++++++++++++------- 6 files changed, 98 insertions(+), 22 deletions(-)