From patchwork Wed Apr 15 14:10:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Roger Pau Monne X-Patchwork-Id: 11491333 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5A43992C for ; Wed, 15 Apr 2020 14:12:50 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 3619E206D5 for ; Wed, 15 Apr 2020 14:12:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=citrix.com header.i=@citrix.com header.b="Fpet0uH6" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3619E206D5 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=citrix.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jOikP-0000Ca-JX; Wed, 15 Apr 2020 14:10:37 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jOikO-0000CP-35 for xen-devel@lists.xenproject.org; Wed, 15 Apr 2020 14:10:36 +0000 X-Inumbo-ID: dfe00890-7f22-11ea-83d8-bc764e2007e4 Received: from esa5.hc3370-68.iphmx.com (unknown [216.71.155.168]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id dfe00890-7f22-11ea-83d8-bc764e2007e4; Wed, 15 Apr 2020 14:10:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=citrix.com; s=securemail; t=1586959835; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=MCT9iaP9hqthD1TJioFT3LOvApm5sCvM4OiVAxcsBdg=; b=Fpet0uH6nscgqK9CPx2wg8TrVfWi9+3qr1iOiAn9vGnRnqEy5BA7XDbs PzGPVU6JE0M0dRiIc7f7wBOgtZPUmu5ZENYfrqBJZvRsEhoZKb2BO9/0w g4neEBvYzxdt8j+PjdEv3UPZ4/c41RIcqOBkqxkl+INSzvaxiurRqn9mU Y=; Authentication-Results: esa5.hc3370-68.iphmx.com; dkim=none (message not signed) header.i=none; spf=None smtp.pra=roger.pau@citrix.com; spf=Pass smtp.mailfrom=roger.pau@citrix.com; spf=None smtp.helo=postmaster@mail.citrix.com Received-SPF: None (esa5.hc3370-68.iphmx.com: no sender authenticity information available from domain of roger.pau@citrix.com) identity=pra; client-ip=162.221.158.21; receiver=esa5.hc3370-68.iphmx.com; envelope-from="roger.pau@citrix.com"; x-sender="roger.pau@citrix.com"; x-conformance=sidf_compatible Received-SPF: Pass (esa5.hc3370-68.iphmx.com: domain of roger.pau@citrix.com designates 162.221.158.21 as permitted sender) identity=mailfrom; client-ip=162.221.158.21; receiver=esa5.hc3370-68.iphmx.com; envelope-from="roger.pau@citrix.com"; x-sender="roger.pau@citrix.com"; x-conformance=sidf_compatible; x-record-type="v=spf1"; x-record-text="v=spf1 ip4:209.167.231.154 ip4:178.63.86.133 ip4:195.66.111.40/30 ip4:85.115.9.32/28 ip4:199.102.83.4 ip4:192.28.146.160 ip4:192.28.146.107 ip4:216.52.6.88 ip4:216.52.6.188 ip4:162.221.158.21 ip4:162.221.156.83 ip4:168.245.78.127 ~all" Received-SPF: None (esa5.hc3370-68.iphmx.com: no sender authenticity information available from domain of postmaster@mail.citrix.com) identity=helo; client-ip=162.221.158.21; receiver=esa5.hc3370-68.iphmx.com; envelope-from="roger.pau@citrix.com"; x-sender="postmaster@mail.citrix.com"; x-conformance=sidf_compatible IronPort-SDR: 3eXi28DNUq0OnBf5u457LPO/8hOfR6TZqOniFEe6ePFsY+cj/65VYIrGatTFqMNXUd/OxNc3xJ IHCxIl3GjCDUtIhOhqDX8s5qjz0Rvqp6Hw1TSleIT5EWvfeKvCVijLHTgRI0HDA1WDcy9tR2TL AX0qIrU9GvSioaS1Vv2TztXquGKYEaGCPzbX9IqhjAk7lcN+5yfZdGBhQq7QhN9JRmVPB5J7lj 1m8X/EAyF6gIMSQyU1Ji3BQxGv16LmlEd7LQbCHRR5Ohmr0I+UjPnJpeBabRH9FQSXiKn745yn TdY= X-SBRS: 2.7 X-MesageID: 16036222 X-Ironport-Server: esa5.hc3370-68.iphmx.com X-Remote-IP: 162.221.158.21 X-Policy: $RELAYED X-IronPort-AV: E=Sophos;i="5.72,387,1580792400"; d="scan'208";a="16036222" From: Roger Pau Monne To: Subject: [PATCH OSSTEST v3 1/2] exanime: test for SMT and add a host flag Date: Wed, 15 Apr 2020 16:10:08 +0200 Message-ID: <20200415141009.10912-1-roger.pau@citrix.com> X-Mailer: git-send-email 2.26.0 MIME-Version: 1.0 X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: ian.jackson@eu.citrix.com, Roger Pau Monne Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" Check if hosts have SMT based on the number of threads per core. A value of threads per core greater than 1 implies SMT support. Signed-off-by: Roger Pau Monné --- Changes since v2: - Use hw-smt. Changes since v1: - Fix regex and set SMT if number of threads per core is > 1. --- sg-run-job | 1 + ts-examine-cpu | 32 ++++++++++++++++++++++++++++++++ 2 files changed, 33 insertions(+) create mode 100755 ts-examine-cpu diff --git a/sg-run-job b/sg-run-job index 97011843..aa7953ac 100755 --- a/sg-run-job +++ b/sg-run-job @@ -679,6 +679,7 @@ proc examine-host-examine {install} { if {$ok} { run-ts -. = ts-examine-serial-post + host run-ts . = ts-examine-iommu + host + run-ts . = ts-examine-cpu + host run-ts . = ts-examine-logs-save + host run-ts . = ts-examine-hostprops-save } diff --git a/ts-examine-cpu b/ts-examine-cpu new file mode 100755 index 00000000..81cf7544 --- /dev/null +++ b/ts-examine-cpu @@ -0,0 +1,32 @@ +#!/usr/bin/perl -w +# This is part of "osstest", an automated testing framework for Xen. +# Copyright (C) 2009-2020 Citrix Inc. +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU Affero General Public License as published by +# the Free Software Foundation, either version 3 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 Affero General Public License for more details. +# +# You should have received a copy of the GNU Affero General Public License +# along with this program. If not, see . + +use strict qw(vars); +BEGIN { unshift @INC, qw(.); } +use Osstest; +use Osstest::TestSupport; + +tsreadconfig(); + +our ($whhost) = @ARGV; +$whhost ||= 'host'; +our $ho= selecthost($whhost); +our $info = target_cmd_output_root($ho, 'xl info', 10); +our $threads = $info =~ /^threads_per_core\s*:\s.*/m; + +logm("$ho->{Ident} threads per core: $threads"); +hostflag_putative_record($ho, "hw-smt", $threads > 1);