From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753045AbdK3Nnw (ORCPT ); Thu, 30 Nov 2017 08:43:52 -0500 Received: from mx0a-00082601.pphosted.com ([67.231.145.42]:40118 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752410AbdK3Nnq (ORCPT ); Thu, 30 Nov 2017 08:43:46 -0500 From: Roman Gushchin To: CC: , , , , , , Subject: [PATCH net-next 0/5] bpftool: cgroup bpf operations Date: Thu, 30 Nov 2017 13:42:57 +0000 Message-ID: <20171130134302.2840-1-guro@fb.com> X-Mailer: git-send-email 2.14.3 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [2620:10d:c092:200::1:638c] X-ClientProxiedBy: VI1PR0602CA0010.eurprd06.prod.outlook.com (2603:10a6:800:bc::20) To CO1PR15MB1079.namprd15.prod.outlook.com (2a01:111:e400:7b66::9) X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 580c352b-6c56-49af-3ff4-08d537f8563d X-Microsoft-Antispam: UriScan:;BCL:0;PCL:0;RULEID:(4534020)(4602075)(4627115)(201703031133081)(201702281549075)(5600026)(4604075)(2017052603286);SRVR:CO1PR15MB1079; 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Right now there is no convenient way to perform these operations. The /samples/bpf/load_sock_ops.c implements attach/detacg operations, but only for BPF_CGROUP_SOCK_OPS programs. Bps (part of bcc) implements bpf introspection, but lacks any cgroup-related specific. I find having a tool to perform these basic operations in the kernel tree very useful, as it can be used in the corresponding bpf documentation without creating additional dependencies. And bpftool seems to be a right tool to extend with such functionality. Roman Gushchin (5): libbpf: add ability to guess program type based on section name libbpf: prefer global symbols as bpf program name source bpftool: implement cgattach command bpftool: implement cgdetach command bpftool: implement cglist command tools/bpf/bpftool/main.c | 209 ++++++++++++++++++++++++++++++++++++++++++++++- tools/lib/bpf/libbpf.c | 49 +++++++++++ 2 files changed, 257 insertions(+), 1 deletion(-) -- 2.14.3