From patchwork Tue May 12 19:24:41 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrii Nakryiko X-Patchwork-Id: 1288765 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=aPmwj2DD; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 49M7c71K6jz9sPF for ; Wed, 13 May 2020 05:47:03 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730999AbgELTrC (ORCPT ); Tue, 12 May 2020 15:47:02 -0400 Received: from mx0a-00082601.pphosted.com ([67.231.145.42]:30150 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725987AbgELTrB (ORCPT ); Tue, 12 May 2020 15:47:01 -0400 Received: from pps.filterd (m0044010.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 04CJjMdR021161 for ; Tue, 12 May 2020 12:47:01 -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-type : content-transfer-encoding; s=facebook; bh=UgE04U6IhngmVBWnVNaYINbDp7OgNY58I5uqal3oBxU=; b=aPmwj2DDO646UItxruF+avvPSd5HtXCzNEcj9qVDRrXbJiEuWWLcahLR+7lBcFWxgcGN C7JXf3U7bPH6IvVLKmzmKeq24eYJlaDM7QT0FdGY/I8U/zgv4tGqfWKFXaThOJWd2483 m4a7QeRGarHWihtgXES517WNo94VXZnHNY8= Received: from mail.thefacebook.com ([163.114.132.120]) by mx0a-00082601.pphosted.com with ESMTP id 3100xb0fcc-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Tue, 12 May 2020 12:47:00 -0700 Received: from intmgw004.03.ash8.facebook.com (2620:10d:c085:208::11) by mail.thefacebook.com (2620:10d:c085:11d::5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1847.3; Tue, 12 May 2020 12:47:00 -0700 Received: by devbig012.ftw2.facebook.com (Postfix, from userid 137359) id E1BA82EC317E; Tue, 12 May 2020 12:46:55 -0700 (PDT) Smtp-Origin-Hostprefix: devbig From: Andrii Nakryiko Smtp-Origin-Hostname: devbig012.ftw2.facebook.com To: , , , CC: , , Andrii Nakryiko Smtp-Origin-Cluster: ftw2c04 Subject: [PATCH v3 bpf-next 0/4] Add benchmark runner and few benchmarks Date: Tue, 12 May 2020 12:24:41 -0700 Message-ID: <20200512192445.2351848-1-andriin@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=2.50.10434:6.0.216,18.0.676 definitions=2020-05-12_07:2020-05-11,2020-05-12 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 phishscore=0 cotscore=-2147483648 mlxscore=0 suspectscore=9 lowpriorityscore=0 impostorscore=0 bulkscore=0 spamscore=0 priorityscore=1501 clxscore=1015 malwarescore=0 adultscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2005120149 X-FB-Internal: deliver Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Add generic benchmark runner framework which simplifies writing various performance benchmarks in a consistent fashion. This framework will be used in follow up patches to test performance of perf buffer and ring buffer as well. Patch #1 extracts parse_num_list to be re-used between test_progs and bench. Patch #2 adds generic runner implementation and atomic counter benchmarks to validate benchmark runner's behavior. Patch #3 implements test_overhead benchmark as part of bench runner. It also add fmod_ret BPF program type to a set of benchmarks. Patch #4 tests faster alternatives to set_task_comm() approach, tested in test_overhead, in search for minimal-overhead way to trigger BPF program execution from user-space on demand. v2->v3: - added --prod-affinity and --cons-affinity (Yonghong); - removed ringbuf-related options leftovers (Yonghong); - added more benchmarking results for test_overhead performance discrepancies; v1->v2: - moved benchmarks into benchs/ subdir (John); - added benchmark "suite" scripts (John); - few small clean ups, change defaults, etc. Andrii Nakryiko (4): selftests/bpf: extract parse_num_list into generic testing_helpers.c selftests/bpf: add benchmark runner infrastructure selftest/bpf: fmod_ret prog and implement test_overhead as part of bench selftest/bpf: add BPF triggering benchmark tools/testing/selftests/bpf/.gitignore | 1 + tools/testing/selftests/bpf/Makefile | 20 +- tools/testing/selftests/bpf/bench.c | 449 ++++++++++++++++++ tools/testing/selftests/bpf/bench.h | 81 ++++ .../selftests/bpf/benchs/bench_count.c | 91 ++++ .../selftests/bpf/benchs/bench_rename.c | 195 ++++++++ .../selftests/bpf/benchs/bench_trigger.c | 167 +++++++ .../selftests/bpf/benchs/run_bench_rename.sh | 9 + .../selftests/bpf/benchs/run_bench_trigger.sh | 9 + .../selftests/bpf/prog_tests/test_overhead.c | 14 +- .../selftests/bpf/progs/test_overhead.c | 6 + .../selftests/bpf/progs/trigger_bench.c | 47 ++ tools/testing/selftests/bpf/test_progs.c | 67 +-- tools/testing/selftests/bpf/test_progs.h | 1 + tools/testing/selftests/bpf/testing_helpers.c | 66 +++ tools/testing/selftests/bpf/testing_helpers.h | 5 + 16 files changed, 1162 insertions(+), 66 deletions(-) create mode 100644 tools/testing/selftests/bpf/bench.c create mode 100644 tools/testing/selftests/bpf/bench.h create mode 100644 tools/testing/selftests/bpf/benchs/bench_count.c create mode 100644 tools/testing/selftests/bpf/benchs/bench_rename.c create mode 100644 tools/testing/selftests/bpf/benchs/bench_trigger.c create mode 100755 tools/testing/selftests/bpf/benchs/run_bench_rename.sh create mode 100755 tools/testing/selftests/bpf/benchs/run_bench_trigger.sh create mode 100644 tools/testing/selftests/bpf/progs/trigger_bench.c create mode 100644 tools/testing/selftests/bpf/testing_helpers.c create mode 100644 tools/testing/selftests/bpf/testing_helpers.h