From patchwork Tue Jul 26 12:47:00 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Lezcano X-Patchwork-Id: 3142 Return-Path: X-Original-To: patchwork@peony.canonical.com Delivered-To: patchwork@peony.canonical.com Received: from fiordland.canonical.com (fiordland.canonical.com [91.189.94.145]) by peony.canonical.com (Postfix) with ESMTP id 07332241E0 for ; Tue, 26 Jul 2011 12:47:09 +0000 (UTC) Received: from mail-qy0-f180.google.com (mail-qy0-f180.google.com [209.85.216.180]) by fiordland.canonical.com (Postfix) with ESMTP id CB37CA1828C for ; Tue, 26 Jul 2011 12:47:08 +0000 (UTC) Received: by mail-qy0-f180.google.com with SMTP id 30so251153qyk.11 for ; Tue, 26 Jul 2011 05:47:08 -0700 (PDT) Received: by 10.229.68.200 with SMTP id w8mr602425qci.114.1311684426940; Tue, 26 Jul 2011 05:47:06 -0700 (PDT) X-Forwarded-To: linaro-patchwork@canonical.com X-Forwarded-For: patch@linaro.org linaro-patchwork@canonical.com Delivered-To: patches@linaro.org Received: by 10.229.217.78 with SMTP id hl14cs110981qcb; Tue, 26 Jul 2011 05:47:06 -0700 (PDT) Received: by 10.227.177.138 with SMTP id bi10mr3458569wbb.14.1311684423221; Tue, 26 Jul 2011 05:47:03 -0700 (PDT) Received: from mtagate3.uk.ibm.com (mtagate3.uk.ibm.com [194.196.100.163]) by mx.google.com with ESMTPS id e21si824277wbh.90.2011.07.26.05.47.02 (version=TLSv1/SSLv3 cipher=OTHER); Tue, 26 Jul 2011 05:47:03 -0700 (PDT) Received-SPF: neutral (google.com: 194.196.100.163 is neither permitted nor denied by best guess record for domain of daniel.lezcano@linaro.org) client-ip=194.196.100.163; Authentication-Results: mx.google.com; spf=neutral (google.com: 194.196.100.163 is neither permitted nor denied by best guess record for domain of daniel.lezcano@linaro.org) smtp.mail=daniel.lezcano@linaro.org Received: from d06nrmr1507.portsmouth.uk.ibm.com (d06nrmr1507.portsmouth.uk.ibm.com [9.149.38.233]) by mtagate3.uk.ibm.com (8.13.1/8.13.1) with ESMTP id p6QCl2BU012804; Tue, 26 Jul 2011 12:47:02 GMT Received: from d06av07.portsmouth.uk.ibm.com (d06av07.portsmouth.uk.ibm.com [9.149.37.248]) by d06nrmr1507.portsmouth.uk.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id p6QCl2ZD1515556; Tue, 26 Jul 2011 13:47:02 +0100 Received: from d06av07.portsmouth.uk.ibm.com (loopback [127.0.0.1]) by d06av07.portsmouth.uk.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id p6QCl1l9012637; Tue, 26 Jul 2011 06:47:01 -0600 Received: from smtp.lab.toulouse-stg.fr.ibm.com (srv01.lab.toulouse-stg.fr.ibm.com [9.101.4.1]) by d06av07.portsmouth.uk.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with ESMTP id p6QCl1Iw012630; Tue, 26 Jul 2011 06:47:01 -0600 Received: from mai.lab.toulouse-stg.fr.ibm.com (dhcp7.lab.toulouse-stg.fr.ibm.com [9.101.4.207]) by smtp.lab.toulouse-stg.fr.ibm.com (Postfix) with ESMTP id 206DD210FB8; Tue, 26 Jul 2011 14:47:01 +0200 (CEST) From: Daniel Lezcano To: linaro-dev@lists.linaro.org Cc: amit.kucheria@linaro.org Subject: [pm-qa 10/14] test the change of the frequencies affect the performances of a test program Date: Tue, 26 Jul 2011 14:47:00 +0200 Message-Id: <1311684424-8057-11-git-send-email-daniel.lezcano@linaro.org> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1311684424-8057-1-git-send-email-daniel.lezcano@linaro.org> References: <1311684424-8057-1-git-send-email-daniel.lezcano@linaro.org> Signed-off-by: Daniel Lezcano --- cpufreq/test_06.sh | 117 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 117 insertions(+), 0 deletions(-) create mode 100644 cpufreq/test_06.sh diff --git a/cpufreq/test_06.sh b/cpufreq/test_06.sh new file mode 100644 index 0000000..5e8256d --- /dev/null +++ b/cpufreq/test_06.sh @@ -0,0 +1,117 @@ +#!/bin/bash +# +# PM-QA validation test suite for the power management on ARM +# +# Copyright (C) 2011, Linaro Limited. +# +# 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, write to the Free Software +# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. +# +# Contributors: +# Daniel Lezcano (IBM Corporation) +# - initial API and implementation +# + +# URL : https://wiki.linaro.org/WorkingGroups/PowerManagement/Doc/QA/Scripts#test_06 + +source ../include/functions.sh + +CPUCYCLE=../utils/cpucycle + +compute_freq_ratio() { + + local cpu=$1 + local freq=$2 + + set_frequency $cpu $freq + + result=$($CPUCYCLE $cpu) + if [ $? != 0 ]; then + return 1 + fi + + results[$index]=$(echo "scale=3;($result / $freq)" | bc -l) + index=$((index + 1)) +} + +compute_freq_ratio_sum() { + + res=${results[$index]} + sum=$(echo "($sum + $res)" | bc -l) + index=$((index + 1)) + +} + +__check_freq_deviation() { + + res=${results[$index]} + + # compute deviation + dev=$(echo "scale=3;((( $res - $avg ) / $avg) * 100 )" | bc -l) + + # change to absolute + dev=$(echo $dev | awk '{ print ($1 >= 0) ? $1 : 0 - $1}') + + index=$((index + 1)) + + res=$(echo "($dev > 5.0)" | bc -l) + if [ "$res" = "1" ]; then + return 1 + fi + + return 0 +} + +check_freq_deviation() { + + local cpu=$1 + local freq=$2 + + check "deviation for frequency $(frequnit $freq)" __check_freq_deviation + +} + +check_deviation() { + + local cpu=$1 + + set_governor $cpu userspace + + for_each_frequency $cpu compute_freq_ratio + + index=0 + sum=0 + + for_each_frequency $cpu compute_freq_ratio_sum + + avg=$(echo "scale=3;($sum / $index)" | bc -l) + + index=0 + for_each_frequency $cpu check_freq_deviation +} + +if [ $(id -u) != 0 ]; then + log_skip "run as non-root" + exit 0 +fi + +save_governors +save_frequencies + +trap "restore_frequencies; restore_governors; sigtrap" SIGHUP SIGINT SIGTERM + +for_each_cpu check_deviation + +restore_frequencies +restore_governors