1#! /bin/sh 2# 3# Copyright (c) International Business Machines Corp., 2001 4# Author: Nageswara R Sastry <nasastry@in.ibm.com> 5# 6# This program is free software; you can redistribute it and#or modify 7# it under the terms of the GNU General Public License as published by 8# the Free Software Foundation; either version 2 of the License, or 9# (at your option) any later version. 10# 11# This program is distributed in the hope that it will be useful, but 12# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 13# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14# for more details. 15# 16# You should have received a copy of the GNU General Public License 17# along with this program; if not, write to the Free Software Foundation, 18# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19# 20 21export TCID="Power_Management_exclusive03" 22export TST_TOTAL=2 23 24. test.sh 25. pm_include.sh 26 27# Checking test environment 28check_kervel_arch 29 30if tst_kvcmp -gt "2.6.29"; then 31 max_sched_mc=2 32 max_sched_smt=2 33else 34 max_sched_mc=1 35 max_sched_smt=1 36fi 37 38tst_check_cmds python 39 40hyper_threaded=$(is_hyper_threaded) 41multi_socket=$(is_multi_socket) 42multi_core=$(is_multi_core) 43if [ $multi_socket -ne 0 -o $multi_core -ne 0 -o \ 44 $hyper_threaded -ne 0 ]; then 45 tst_brkm TCONF "System is not a multi socket & multi core" \ 46 "& hyper-threaded" 47fi 48 49# Verify threads consolidation stops when sched_mc &(/) sched_smt 50# is disabled. 51# Vary sched_mc from 1/2 to 0 when workload is running and 52# ensure that tasks do not consolidate to single package when 53# sched_mc is set to 0. 54RC=0 55for sched_mc in `seq 1 $max_sched_mc`; do 56 if pm_cpu_consolidation.py -v -c $sched_mc; then 57 echo "Test PASS: CPU consolidation test by varying" \ 58 "sched_mc $sched_mc to 0" 59 else 60 RC=1 61 echo "Test FAIL: CPU consolidation test by varying" \ 62 "sched_mc $sched_mc to 0" 63 fi 64done 65if [ $RC -eq 0 ]; then 66 tst_resm TPASS "CPU consolidation test by varying sched_mc" 67else 68 tst_resm TFAIL "CPU consolidation test by varying sched_mc" 69fi 70 71# Vary sched_mc & sched_smt from 1 to 0 & 2 to 0 when workload 72# is running and ensure that tasks do not consolidate to single 73# package when sched_mc is set to 0. 74RC=0 75for sched_mc in `seq 1 $max_sched_mc`; do 76 for sched_smt in `seq 1 $max_sched_smt`; do 77 if [ $sched_smt -eq $sched_mc ]; then 78 if pm_cpu_consolidation.py -v -c $sched_mc \ 79 -t $sched_smt; then 80 echo "Test PASS: CPU consolidation test by" \ 81 "varying sched_mc & sched_smt from" \ 82 "$sched_mc to 0" 83 else 84 RC=1 85 echo "Test FAIL: CPU consolidation test by" \ 86 "varying sched_mc & sched_smt from" \ 87 "$sched_mc to 0" 88 fi 89 fi 90 done 91done 92if [ $RC -eq 0 ]; then 93 tst_resm TPASS "CPU consolidation test by varying" \ 94 "sched_mc & sched_smt" 95else 96 tst_resm TFAIL "CPU consolidation test by varying" \ 97 "sched_mc & sched_smt" 98fi 99 100tst_exit 101