From patchwork Fri Nov 15 14:14:42 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vladimir Sementsov-Ogievskiy X-Patchwork-Id: 1195675 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=virtuozzo.com Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 47F1GR5r5dz9sPJ for ; Sat, 16 Nov 2019 01:39:59 +1100 (AEDT) Received: from localhost ([::1]:40064 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iVclM-0006iD-5K for incoming@patchwork.ozlabs.org; Fri, 15 Nov 2019 09:39:52 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:59399) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iVcNo-0005Dg-5T for qemu-devel@nongnu.org; Fri, 15 Nov 2019 09:15:33 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iVcNm-0002KQ-Ff for qemu-devel@nongnu.org; Fri, 15 Nov 2019 09:15:31 -0500 Received: from relay.sw.ru ([185.231.240.75]:47560) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iVcNd-0001wW-Hk; Fri, 15 Nov 2019 09:15:21 -0500 Received: from vovaso.qa.sw.ru ([10.94.3.0] helo=kvm.qa.sw.ru) by relay.sw.ru with esmtp (Exim 4.92.3) (envelope-from ) id 1iVcND-0006WW-4C; Fri, 15 Nov 2019 17:14:55 +0300 From: Vladimir Sementsov-Ogievskiy To: qemu-block@nongnu.org Subject: [RFC 22/24] python: add simplebench.py Date: Fri, 15 Nov 2019 17:14:42 +0300 Message-Id: <20191115141444.24155-23-vsementsov@virtuozzo.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191115141444.24155-1-vsementsov@virtuozzo.com> References: <20191115141444.24155-1-vsementsov@virtuozzo.com> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 185.231.240.75 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kwolf@redhat.com, vsementsov@virtuozzo.com, ehabkost@redhat.com, wencongyang2@huawei.com, xiechanglong.d@gmail.com, armbru@redhat.com, qemu-devel@nongnu.org, jsnow@redhat.com, crosa@redhat.com, den@openvz.org, mreitz@redhat.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Add simple benchmark table creator. Signed-off-by: Vladimir Sementsov-Ogievskiy --- python/simplebench.py | 122 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 122 insertions(+) create mode 100644 python/simplebench.py diff --git a/python/simplebench.py b/python/simplebench.py new file mode 100644 index 0000000000..b09c2cf40b --- /dev/null +++ b/python/simplebench.py @@ -0,0 +1,122 @@ +#!/usr/bin/env python +# +# Simple benchmarking framework +# +# Copyright (c) 2019 Virtuozzo International GmbH. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . +# + + +def bench_one(test_func, test_env, test_case, count=5, initial_run=True): + """Benchmark one test-case + + test_func -- benchmarking function with prototype + test_func(env, case), which takes test_env and test_case + arguments and returns {'seconds': int} (which is benchmark + result) on success and {'error': str} on error. Returned + dict may contain any other additional fields. + test_env -- test environment - opaque first argument for test_func + test_case -- test case - opaque second argument for test_func + count -- how many times to call test_func, to calculate average + initial_run -- do initial run of test_func, which don't get into result + + Returns dict with the following fields: + 'runs': list of test_func results + 'average': average seconds per run (exists only if at least one run + succeeded) + 'delta': maximum delta between test_func result and the average + (exists only if at least one run succeeded) + 'n-failed': number of failed runs (exists only if at least one run + failed) + """ + if initial_run: + test_func(test_env, test_case) + + runs = [test_func(test_env, test_case) for _ in range(count)] + + result = {'runs': runs} + + successed = [r for r in runs if ('seconds' in r)] + if successed: + avg = sum(r['seconds'] for r in successed) / len(successed) + result['average'] = avg + result['delta'] = max(abs(r['seconds'] - avg) for r in successed) + + if len(successed) < count: + result['n-failed'] = count - len(successed) + + return result + + +def ascii_one(result): + """Return ASCII representation of bench_one() returned dict.""" + if 'average' in result: + s = '{:.2f} +- {:.2f}'.format(result['average'], result['delta']) + if 'n-failed' in result: + s += '\n({} failed)'.format(result['n-failed']) + return s + else: + return 'FAILED' + + +def bench(test_func, test_envs, test_cases, *args, **vargs): + """Fill benchmark table + + test_func -- benchmarking function, see bench_one for description + test_envs -- list of test environments, see bench_one + test_cases -- list of test cases, see bench_one + args, vargs -- additional arguments for bench_one + + Returns dict with the following fields: + 'envs': test_envs + 'cases': test_cases + 'tab': filled 2D array, where cell [i][j] is bench_one result for + test_cases[i] for test_envs[j] (i.e., rows are test cases and + columns are test environments) + """ + tab = {} + results = { + 'envs': test_envs, + 'cases': test_cases, + 'tab': tab + } + n = 1 + n_tests = len(test_envs) * len(test_cases) + for env in test_envs: + for case in test_cases: + print('Testing {}/{}: {} :: {}'.format(n, n_tests, + env['id'], case['id'])) + if case['id'] not in tab: + tab[case['id']] = {} + tab[case['id']][env['id']] = bench_one(test_func, env, case, + *args, **vargs) + n += 1 + + print('Done') + return results + + +def ascii(results): + """Return ASCII representation of bench() returned dict.""" + from tabulate import tabulate + + tab = [[""] + [c['id'] for c in results['envs']]] + for case in results['cases']: + row = [case['id']] + for env in results['envs']: + row.append(ascii_one(results['tab'][case['id']][env['id']])) + tab.append(row) + + return tabulate(tab)