#! /bin/sh # # Copyright (c) International Business Machines Corp., 2001 # Author: Nageswara R Sastry # # 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 # export TCID="Power_Management_exclusive03" export TST_TOTAL=2 . test.sh . pm_include.sh # Checking test environment check_kervel_arch if tst_kvcmp -gt "2.6.29"; then max_sched_mc=2 max_sched_smt=2 else max_sched_mc=1 max_sched_smt=1 fi tst_require_cmds python3 hyper_threaded=$(is_hyper_threaded) multi_socket=$(is_multi_socket) multi_core=$(is_multi_core) if [ $multi_socket -ne 0 -o $multi_core -ne 0 -o \ $hyper_threaded -ne 0 ]; then tst_brkm TCONF "System is not a multi socket & multi core" \ "& hyper-threaded" fi # Verify threads consolidation stops when sched_mc &(/) sched_smt # is disabled. # Vary sched_mc from 1/2 to 0 when workload is running and # ensure that tasks do not consolidate to single package when # sched_mc is set to 0. RC=0 for sched_mc in `seq 1 $max_sched_mc`; do if pm_cpu_consolidation.py -v -c $sched_mc; then echo "Test PASS: CPU consolidation test by varying" \ "sched_mc $sched_mc to 0" else RC=1 echo "Test FAIL: CPU consolidation test by varying" \ "sched_mc $sched_mc to 0" fi done if [ $RC -eq 0 ]; then tst_resm TPASS "CPU consolidation test by varying sched_mc" else tst_resm TFAIL "CPU consolidation test by varying sched_mc" fi # Vary sched_mc & sched_smt from 1 to 0 & 2 to 0 when workload # is running and ensure that tasks do not consolidate to single # package when sched_mc is set to 0. RC=0 for sched_mc in `seq 1 $max_sched_mc`; do for sched_smt in `seq 1 $max_sched_smt`; do if [ $sched_smt -eq $sched_mc ]; then if pm_cpu_consolidation.py -v -c $sched_mc \ -t $sched_smt; then echo "Test PASS: CPU consolidation test by" \ "varying sched_mc & sched_smt from" \ "$sched_mc to 0" else RC=1 echo "Test FAIL: CPU consolidation test by" \ "varying sched_mc & sched_smt from" \ "$sched_mc to 0" fi fi done done if [ $RC -eq 0 ]; then tst_resm TPASS "CPU consolidation test by varying" \ "sched_mc & sched_smt" else tst_resm TFAIL "CPU consolidation test by varying" \ "sched_mc & sched_smt" fi tst_exit