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- #! /bin/sh
- #
- # Copyright (c) International Business Machines Corp., 2001
- # Author: Nageswara R Sastry <nasastry@in.ibm.com>
- #
- # 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
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