From mboxrd@z Thu Jan 1 00:00:00 1970 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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,MSGID_FROM_MTA_HEADER,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 2379CC433DB for ; Tue, 23 Mar 2021 13:53:42 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 158BF619C0 for ; Tue, 23 Mar 2021 13:53:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 158BF619C0 Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=virtuozzo.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:44324 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lOhTX-0007nr-UY for qemu-devel@archiver.kernel.org; Tue, 23 Mar 2021 09:53:39 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:35160) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lOhOX-0007GE-1f; Tue, 23 Mar 2021 09:48:29 -0400 Received: from mail-eopbgr130102.outbound.protection.outlook.com ([40.107.13.102]:31392 helo=EUR01-HE1-obe.outbound.protection.outlook.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lOhOU-0001rq-J9; Tue, 23 Mar 2021 09:48:28 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=lzqBpbS6EJ9++P86x2hQvLOtuJ+/Tkfj62NN9B92C5JYv2irWh+BFM2pbWgNtkNIpd1zDuu5o+dXgxnoQoiHAcDGPJAsrDbPnlU4C7x7KW+CzCkpaYEMCZ5sUJqoVi2MhXHjxXDfygle4mNMY2ty9ruECxoSLlZkMOVETqJs+2OCFawEAqDxgG6qkoRtFmVFFtpPDNCGGkaF2piBfaC46kgw4E3X5x7meqJDAIIEoq6E3EgEHPrchV/lk/JsnOG2RzWamHPNlDt8D1nO/QBIDKYlkvGxw0GX2sSWaO8rDANPG5AoE8NNLanp4CfROeJrg5/NihJudGt4gONoW18MyQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=ZQ8qAb8Ee1KlC8mBjDEKJ+xaN3/BIEq9d6ubMefqYDc=; b=WpAEpN37bVJFY1ZVi+I4dUCieHYmb1P/uS4a7EkOlGcVaoLlWVspAWqMZk3U/KDbZnogw622RJBfIxIFx/YVZfhLnH9TTPM0pKbA/+op+7+fxOk3TbdVRUmNXzbiLKdlB+kr995ydy8446kM3WNLVAeOopIVRz5MPm6thxendGE4GKbPq5cLv00tNHor8Vv2OBmmqCmdCmtFh9kY9f9SoadCkJVL+B0g/1yfkZFDdIFSsntIetyy0Nxo4+nc/rEKiq0ifP56XGmSsC+rxPlSU3Vg01PqbqChOPQde1JJyT5V8IvAfxJDk+ZBTez3jvmLOiabXv3eOYhr82BVZT69mg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=virtuozzo.com; dmarc=pass action=none header.from=virtuozzo.com; dkim=pass header.d=virtuozzo.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=virtuozzo.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=ZQ8qAb8Ee1KlC8mBjDEKJ+xaN3/BIEq9d6ubMefqYDc=; b=VWbwptPETd3LG5cwCG+3h0P1jtIqgtRAvtWGXQi8dKHL9Z8MNqn/ZeZIz6yfNN5mXqUt2z9WMGAs9SgfyCFmEQBNf0tC5OJIvra/KqNp3OKuBiClqlHEkmFy0YHIkJsKpnObJcEra4exvxi/qcfdlbJtv01HAmhSn5Qjz4bVxvY= Authentication-Results: nongnu.org; dkim=none (message not signed) header.d=none;nongnu.org; dmarc=none action=none header.from=virtuozzo.com; Received: from AM7PR08MB5494.eurprd08.prod.outlook.com (2603:10a6:20b:dc::15) by AM6PR08MB4070.eurprd08.prod.outlook.com (2603:10a6:20b:a3::25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3955.27; Tue, 23 Mar 2021 13:48:01 +0000 Received: from AM7PR08MB5494.eurprd08.prod.outlook.com ([fe80::f1f0:6610:11f5:5e4a]) by AM7PR08MB5494.eurprd08.prod.outlook.com ([fe80::f1f0:6610:11f5:5e4a%7]) with mapi id 15.20.3955.027; Tue, 23 Mar 2021 13:48:01 +0000 From: Vladimir Sementsov-Ogievskiy To: qemu-block@nongnu.org Cc: qemu-devel@nongnu.org, den@openvz.org, vsementsov@virtuozzo.com, mreitz@redhat.com, John Snow Subject: [PATCH v3 2/9] simplebench: bench_one(): support count=1 Date: Tue, 23 Mar 2021 16:47:27 +0300 Message-Id: <20210323134734.72930-3-vsementsov@virtuozzo.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210323134734.72930-1-vsementsov@virtuozzo.com> References: <20210323134734.72930-1-vsementsov@virtuozzo.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [185.215.60.202] X-ClientProxiedBy: HE1PR05CA0184.eurprd05.prod.outlook.com (2603:10a6:3:f8::32) To AM7PR08MB5494.eurprd08.prod.outlook.com (2603:10a6:20b:dc::15) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (185.215.60.202) by HE1PR05CA0184.eurprd05.prod.outlook.com (2603:10a6:3:f8::32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3955.18 via Frontend Transport; Tue, 23 Mar 2021 13:48:00 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 633aa85c-a91e-4299-0232-08d8ee024650 X-MS-TrafficTypeDiagnostic: AM6PR08MB4070: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:2043; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:AM7PR08MB5494.eurprd08.prod.outlook.com; PTR:; CAT:NONE; SFS:(4636009)(136003)(366004)(396003)(376002)(39830400003)(346002)(69590400012)(52116002)(8936002)(6916009)(8676002)(1076003)(66476007)(6506007)(956004)(83380400001)(66946007)(4326008)(6512007)(5660300002)(4744005)(2616005)(36756003)(38100700001)(478600001)(66556008)(316002)(26005)(16526019)(186003)(86362001)(6666004)(6486002)(2906002); DIR:OUT; SFP:1102; X-MS-Exchange-AntiSpam-MessageData: =?us-ascii?Q?lrwWtY5qYSHiyKTvHCDpVn5kzj152n9vj6i3Z8uUqx4gmh59d5vCDYqCRyiy?= =?us-ascii?Q?w9i23i15MJOhfcurJIQGIpxXGldbeafFgXf0nJohbGbt00LVaTZVTmk021R7?= =?us-ascii?Q?sCXTg8frAaiMmxwFTQkmSzFNqdZ3pjBWCggZRmmZRsJppwFZFZ54IK0AQO2w?= =?us-ascii?Q?+rp6GMnriLHTCNA72YE6DwdZdjM88m0NwRDQqNm5w2Eg510Z6LxtSBu6nwYm?= =?us-ascii?Q?ooUDck3YyGq+9mBSz2id3s8KtixkqGlDuPTQ9FSV/hOdYbFnwcC0AGMls6hA?= =?us-ascii?Q?fkcw8ds7K4biTvYi70+0U/QC2CMGPQ/0lxtERFwB9jpm4sirRYwf4HmUfSJ4?= =?us-ascii?Q?diAfeSmeh1jPfsBkinK6jKBPYhFFfRuG+HT9BOlNbiyNhbPryEfdIrnWwO2s?= =?us-ascii?Q?DYvtn2+3Ep7kR28FA7aeVPZaT3NrMyBmPdhUgVKkUZltEi1ffoLG44PNMY11?= =?us-ascii?Q?gNO2cOHptCKWFUrC6A2/Tpf38QiGB9Y0UUzuShocZqlUsCYPEKke5AOHSRNR?= =?us-ascii?Q?GGCyxf62rb096Cgn/aCF2n/IzV6GlI8KCnrkLDRh3T/lW06WtvquECIyjeEF?= =?us-ascii?Q?vxpqELjljE81TTsn9l/bJhnrg0mZcNDkH3Smq88ji9x/hQYqrDxG3MYftNSv?= =?us-ascii?Q?nc0/bjsGBszC9jg/18k7w2pn8H5YbxZ5Yhv8x0BQqKjVqimFv78D30axVmbe?= =?us-ascii?Q?3vecgQ7bw+Zmu6OOfHaigKwlSrw91PcXmYfjv2aLgS3j9YJ68rziFXMhT+bL?= =?us-ascii?Q?lky7kbCKA006gFNQttoRzs1GyQ49x2PPtN9Hz6wvZuuf9/2zxaSz7RWVV7Im?= =?us-ascii?Q?nBHLE0L6UlKlZJzSiLZQKyeErY5JU/rtHq5jmgZU3oAkDoeEr9PkGk5CiqFu?= =?us-ascii?Q?TA0sjTQaKVSziMkZHPc2UlJYDNPOaAN0bcemQpIEmkmNZ3ADc+w0gRzVIycU?= =?us-ascii?Q?eV9JT1ys9K7zUHGzJ0p9cn9DmL5eVObrqixg7Y8QBU5rr/R7IiRsPppbbydE?= =?us-ascii?Q?RWiaqZaMy9AgvbrEJ6oz2dGWE5l4uZkk6DW44Cf3WR2HIV7VwnvJTsPhw/Gs?= =?us-ascii?Q?BR+m4FtjdLgGKqlRfxGdmRRJhach09Gzwl/t13tAq+CfoZfw6If8Kwjn7MGo?= =?us-ascii?Q?qLQ17k8c5CfAMfTmMWkSQTPKs8+w2+nZlkOsZLx9ffm4vizktwdtxhNpy3rc?= =?us-ascii?Q?KyUd6F3MyUhCgxxrt7VCED+2iUM2BJiguA8VZ2y6BOcpv2Y5voeo0Eo4RMzB?= =?us-ascii?Q?v/A1crXl9CHSmhOBg8+GzJ4qQuQUMcZ1a+cBzC9EkUzO8Yf0Xohs5J2ma/zP?= =?us-ascii?Q?bsYcfr9GLQTHkEBHgVSHoc/L?= X-OriginatorOrg: virtuozzo.com X-MS-Exchange-CrossTenant-Network-Message-Id: 633aa85c-a91e-4299-0232-08d8ee024650 X-MS-Exchange-CrossTenant-AuthSource: AM7PR08MB5494.eurprd08.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Mar 2021 13:48:01.1601 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 0bc7f26d-0264-416e-a6fc-8352af79c58f X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 1I39fJfuzPLgsknEEvrwGIgbLnRZIiwcqfm5fKIQEZ4RvCLU2XJqUbdpI5kbLWyn0UrXmWHnF3X0hunYVdDCNsNe3PeYzIzYLUKVaY0eNuY= X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM6PR08MB4070 Received-SPF: pass client-ip=40.107.13.102; envelope-from=vsementsov@virtuozzo.com; helo=EUR01-HE1-obe.outbound.protection.outlook.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" statistics.stdev raises if sequence length is less than two. Support that case by hand. Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: John Snow --- scripts/simplebench/simplebench.py | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/scripts/simplebench/simplebench.py b/scripts/simplebench/simplebench.py index 0a3035732c..27bc4d4715 100644 --- a/scripts/simplebench/simplebench.py +++ b/scripts/simplebench/simplebench.py @@ -83,7 +83,10 @@ def bench_one(test_func, test_env, test_case, count=5, initial_run=True, dim = 'seconds' result['dimension'] = dim result['average'] = statistics.mean(r[dim] for r in succeeded) - result['stdev'] = statistics.stdev(r[dim] for r in succeeded) + if len(succeeded) == 1: + result['stdev'] = 0 + else: + result['stdev'] = statistics.stdev(r[dim] for r in succeeded) if len(succeeded) < count: result['n-failed'] = count - len(succeeded) -- 2.29.2