From patchwork Fri Apr 24 06:17:54 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Song Liu X-Patchwork-Id: 1276177 X-Patchwork-Delegate: bpf@iogearbox.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=fb.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=fb.com header.i=@fb.com header.a=rsa-sha256 header.s=facebook header.b=LH8lp5U6; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 497kWC2nv1z9sSb for ; Fri, 24 Apr 2020 16:18:15 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726562AbgDXGSJ (ORCPT ); Fri, 24 Apr 2020 02:18:09 -0400 Received: from mx0a-00082601.pphosted.com ([67.231.145.42]:32810 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725868AbgDXGSH (ORCPT ); Fri, 24 Apr 2020 02:18:07 -0400 Received: from pps.filterd (m0044012.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 03O6GMmH008198 for ; Thu, 23 Apr 2020 23:18:07 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=facebook; bh=TUKBWJf/jG9LPRV1hQjqfOa4hgECIEQI5aegDKaPdu4=; b=LH8lp5U6kZZGXH9ENuJg5tTswA7/zhdG57ix2a+PczMX5u9x7hCr+gNfojuSqYKxSsk6 37+TDJnbLVh6Hw/Vx/6V7rtQ34GCHWcT1rQvKeKVcxsc8/L2dqJUeuNa2YHLdWt380/c h1AWhPUsB3nWEQKM3peQHfLuH0yIvPP67xc= Received: from maileast.thefacebook.com ([163.114.130.16]) by mx0a-00082601.pphosted.com with ESMTP id 30jwey1sa1-3 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Thu, 23 Apr 2020 23:18:07 -0700 Received: from intmgw001.03.ash8.facebook.com (2620:10d:c0a8:1b::d) by mail.thefacebook.com (2620:10d:c0a8:83::5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1847.3; Thu, 23 Apr 2020 23:18:06 -0700 Received: by devbig006.ftw2.facebook.com (Postfix, from userid 4523) id A6E0A62E4C20; Thu, 23 Apr 2020 23:18:02 -0700 (PDT) Smtp-Origin-Hostprefix: devbig From: Song Liu Smtp-Origin-Hostname: devbig006.ftw2.facebook.com To: , CC: , , , Song Liu Smtp-Origin-Cluster: ftw2c04 Subject: [PATCH v4 bpf-next 2/3] libbpf: add support for command BPF_ENABLE_STATS Date: Thu, 23 Apr 2020 23:17:54 -0700 Message-ID: <20200424061755.436559-3-songliubraving@fb.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200424061755.436559-1-songliubraving@fb.com> References: <20200424061755.436559-1-songliubraving@fb.com> MIME-Version: 1.0 X-FB-Internal: Safe X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138,18.0.676 definitions=2020-04-24_01:2020-04-23,2020-04-24 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 suspectscore=8 priorityscore=1501 mlxlogscore=838 mlxscore=0 bulkscore=0 lowpriorityscore=0 impostorscore=0 malwarescore=0 spamscore=0 adultscore=0 phishscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2004240047 X-FB-Internal: deliver Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org bpf_enable_stats() is added to enable given stats. Signed-off-by: Song Liu --- tools/lib/bpf/bpf.c | 9 +++++++++ tools/lib/bpf/bpf.h | 1 + tools/lib/bpf/libbpf.map | 5 +++++ 3 files changed, 15 insertions(+) diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c index 5cc1b0785d18..c06c25293ab7 100644 --- a/tools/lib/bpf/bpf.c +++ b/tools/lib/bpf/bpf.c @@ -826,3 +826,12 @@ int bpf_task_fd_query(int pid, int fd, __u32 flags, char *buf, __u32 *buf_len, return err; } + +int bpf_enable_stats(enum bpf_stats_type type) +{ + union bpf_attr attr = {}; + + attr.enable_stats.type = type; + + return sys_bpf(BPF_ENABLE_STATS, &attr, sizeof(attr)); +} diff --git a/tools/lib/bpf/bpf.h b/tools/lib/bpf/bpf.h index 46d47afdd887..5996e64d324c 100644 --- a/tools/lib/bpf/bpf.h +++ b/tools/lib/bpf/bpf.h @@ -229,6 +229,7 @@ LIBBPF_API int bpf_load_btf(void *btf, __u32 btf_size, char *log_buf, LIBBPF_API int bpf_task_fd_query(int pid, int fd, __u32 flags, char *buf, __u32 *buf_len, __u32 *prog_id, __u32 *fd_type, __u64 *probe_offset, __u64 *probe_addr); +LIBBPF_API int bpf_enable_stats(enum bpf_stats_type type); #ifdef __cplusplus } /* extern "C" */ diff --git a/tools/lib/bpf/libbpf.map b/tools/lib/bpf/libbpf.map index bb8831605b25..ebd946faada5 100644 --- a/tools/lib/bpf/libbpf.map +++ b/tools/lib/bpf/libbpf.map @@ -254,3 +254,8 @@ LIBBPF_0.0.8 { bpf_program__set_lsm; bpf_set_link_xdp_fd_opts; } LIBBPF_0.0.7; + +LIBBPF_0.0.9 { + global: + bpf_enable_stats; +} LIBBPF_0.0.8; \ No newline at end of file