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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 60711C10F11 for ; Wed, 10 Apr 2019 04:58:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3A9542064B for ; Wed, 10 Apr 2019 04:58:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727179AbfDJE6Q (ORCPT ); Wed, 10 Apr 2019 00:58:16 -0400 Received: from tama50.ecl.ntt.co.jp ([129.60.39.147]:39661 "EHLO tama50.ecl.ntt.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725999AbfDJE6Q (ORCPT ); Wed, 10 Apr 2019 00:58:16 -0400 Received: from vc2.ecl.ntt.co.jp (vc2.ecl.ntt.co.jp [129.60.86.154]) by tama50.ecl.ntt.co.jp (8.13.8/8.13.8) with ESMTP id x3A4voWP025487; Wed, 10 Apr 2019 13:57:50 +0900 Received: from vc2.ecl.ntt.co.jp (localhost [127.0.0.1]) by vc2.ecl.ntt.co.jp (Postfix) with ESMTP id 9F18D6399C0; Wed, 10 Apr 2019 13:57:50 +0900 (JST) Received: from jcms-pop21.ecl.ntt.co.jp (jcms-pop21.ecl.ntt.co.jp [129.60.87.134]) by vc2.ecl.ntt.co.jp (Postfix) with ESMTP id 933476399BE; Wed, 10 Apr 2019 13:57:50 +0900 (JST) Received: from jcms-pop21.ecl.ntt.co.jp (unknown [129.60.241.220]) by jcms-pop21.ecl.ntt.co.jp (Postfix) with ESMTPSA id 8A183400246; Wed, 10 Apr 2019 13:57:50 +0900 (JST) From: Prashant Bhole Subject: [PATCH bpf-next] tools/bpftool: show btf id in program information Date: Wed, 10 Apr 2019 13:56:42 +0900 Message-Id: <20190410045642.6584-1-bhole_prashant_q7@lab.ntt.co.jp> X-Mailer: git-send-email 2.14.2 X-CC-Mail-RelayStamp: 1 To: Alexei Starovoitov , Daniel Borkmann Cc: Prashant Bhole , Jakub Kicinski , Quentin Monnet , Martin KaFai Lau , Song Liu , Yonghong Song , netdev@vger.kernel.org X-TM-AS-MML: disable Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Let's add a way to know whether a program has btf context. Patch adds 'btf_id' in the output of program listing. When btf_id is present, it means program has btf context. Sample output: user@test# bpftool prog list 25: xdp name xdp_prog1 tag 539ec6ce11b52f98 gpl loaded_at 2019-04-10T11:44:20+0900 uid 0 xlated 488B not jited memlock 4096B map_ids 23 btf_id 1 Signed-off-by: Prashant Bhole --- tools/bpf/bpftool/prog.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/tools/bpf/bpftool/prog.c b/tools/bpf/bpftool/prog.c index d2be5a06c339..81067803189e 100644 --- a/tools/bpf/bpftool/prog.c +++ b/tools/bpf/bpftool/prog.c @@ -249,6 +249,9 @@ static void print_prog_json(struct bpf_prog_info *info, int fd) if (info->nr_map_ids) show_prog_maps(fd, info->nr_map_ids); + if (info->btf_id) + jsonw_int_field(json_wtr, "btf_id", info->btf_id); + if (!hash_empty(prog_table.table)) { struct pinned_obj *obj; @@ -319,6 +322,9 @@ static void print_prog_plain(struct bpf_prog_info *info, int fd) } } + if (info->btf_id) + printf("\n\tbtf_id %d\n", info->btf_id); + printf("\n"); } -- 2.17.2