From patchwork Wed Sep 23 01:28:38 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Song Liu X-Patchwork-Id: 260373 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=-8.3 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, 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 46E0BC4727D for ; Wed, 23 Sep 2020 01:28:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0BC2F2399A for ; Wed, 23 Sep 2020 01:28:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=fb.com header.i=@fb.com header.b="hBSWM5Y8" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726951AbgIWB2v (ORCPT ); Tue, 22 Sep 2020 21:28:51 -0400 Received: from mx0b-00082601.pphosted.com ([67.231.153.30]:10998 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726643AbgIWB2v (ORCPT ); Tue, 22 Sep 2020 21:28:51 -0400 Received: from pps.filterd (m0089730.ppops.net [127.0.0.1]) by m0089730.ppops.net (8.16.0.42/8.16.0.42) with SMTP id 08N1Onxe000564 for ; Tue, 22 Sep 2020 18:28:50 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.com; h=from : to : cc : subject : date : message-id : mime-version : content-transfer-encoding : content-type; s=facebook; bh=xuKEDs97NMxx+uHBINiygTqIXGTJcr7fafLB9xJvfgU=; b=hBSWM5Y8INBrzGRLPjWy1PLBlKwNLV7UkExwG/UK0tZDyy5aP+3qglnUPUUKkSXycWCd upaamppqK07t+7+fl/ZCufr3Zvwb+s2t6AKEGm4xCBAH0f2GK5l6ZssaHkgf/urWrcUj wvloRWdnajoEJiUhUKQ6Fmt5fxJi5t266k4= Received: from mail.thefacebook.com ([163.114.132.120]) by m0089730.ppops.net with ESMTP id 33qsp4rxbb-5 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Tue, 22 Sep 2020 18:28:50 -0700 Received: from intmgw002.08.frc2.facebook.com (2620:10d:c085:208::11) by mail.thefacebook.com (2620:10d:c085:21d::6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1979.3; Tue, 22 Sep 2020 18:28:49 -0700 Received: by devbig006.ftw2.facebook.com (Postfix, from userid 4523) id 3F37D62E50A7; Tue, 22 Sep 2020 18:28:46 -0700 (PDT) From: Song Liu To: , CC: , , , , , Song Liu Subject: [PATCH bpf-next 0/3] enable BPF_PROG_TEST_RUN for raw_tp Date: Tue, 22 Sep 2020 18:28:38 -0700 Message-ID: <20200923012841.2701378-1-songliubraving@fb.com> X-Mailer: git-send-email 2.24.1 MIME-Version: 1.0 X-FB-Internal: Safe X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235, 18.0.687 definitions=2020-09-22_21:2020-09-21,2020-09-22 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 suspectscore=0 spamscore=0 lowpriorityscore=0 impostorscore=0 malwarescore=0 clxscore=1015 mlxscore=0 mlxlogscore=855 bulkscore=0 adultscore=0 priorityscore=1501 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2009230005 X-FB-Internal: deliver Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This set enables BPF_PROG_TEST_RUN for raw_tracepoint type programs. This set also enables running the raw_tp program on a specific CPU. This feature can be used by user space to trigger programs that access percpu resources, e.g. perf_event, percpu variables. Song Liu (3): bpf: enable BPF_PROG_TEST_RUN for raw_tracepoint libbpf: introduce bpf_prog_test_run_xattr_opts selftests/bpf: add raw_tp_test_run include/linux/bpf.h | 3 + include/uapi/linux/bpf.h | 5 ++ kernel/bpf/syscall.c | 2 +- kernel/trace/bpf_trace.c | 1 + net/bpf/test_run.c | 90 +++++++++++++++++++ tools/include/uapi/linux/bpf.h | 5 ++ tools/lib/bpf/bpf.c | 13 ++- tools/lib/bpf/bpf.h | 11 +++ tools/lib/bpf/libbpf.map | 1 + .../bpf/prog_tests/raw_tp_test_run.c | 68 ++++++++++++++ .../bpf/progs/test_raw_tp_test_run.c | 26 ++++++ 11 files changed, 223 insertions(+), 2 deletions(-) create mode 100644 tools/testing/selftests/bpf/prog_tests/raw_tp_test_run.c create mode 100644 tools/testing/selftests/bpf/progs/test_raw_tp_test_run.c Acked-by: John Fastabend Acked-by: John Fastabend --- 2.24.1