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101 lines
2.8 KiB
101 lines
2.8 KiB
#! /bin/sh
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#
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# Copyright (c) International Business Machines Corp., 2001
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# Author: Nageswara R Sastry <nasastry@in.ibm.com>
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#
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# This program is free software; you can redistribute it and#or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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# for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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#
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export TCID="Power_Management_exclusive03"
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export TST_TOTAL=2
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. test.sh
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. pm_include.sh
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# Checking test environment
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check_kervel_arch
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if tst_kvcmp -gt "2.6.29"; then
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max_sched_mc=2
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max_sched_smt=2
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else
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max_sched_mc=1
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max_sched_smt=1
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fi
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tst_require_cmds python3
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hyper_threaded=$(is_hyper_threaded)
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multi_socket=$(is_multi_socket)
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multi_core=$(is_multi_core)
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if [ $multi_socket -ne 0 -o $multi_core -ne 0 -o \
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$hyper_threaded -ne 0 ]; then
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tst_brkm TCONF "System is not a multi socket & multi core" \
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"& hyper-threaded"
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fi
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# Verify threads consolidation stops when sched_mc &(/) sched_smt
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# is disabled.
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# Vary sched_mc from 1/2 to 0 when workload is running and
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# ensure that tasks do not consolidate to single package when
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# sched_mc is set to 0.
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RC=0
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for sched_mc in `seq 1 $max_sched_mc`; do
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if pm_cpu_consolidation.py -v -c $sched_mc; then
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echo "Test PASS: CPU consolidation test by varying" \
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"sched_mc $sched_mc to 0"
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else
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RC=1
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echo "Test FAIL: CPU consolidation test by varying" \
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"sched_mc $sched_mc to 0"
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fi
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done
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if [ $RC -eq 0 ]; then
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tst_resm TPASS "CPU consolidation test by varying sched_mc"
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else
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tst_resm TFAIL "CPU consolidation test by varying sched_mc"
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fi
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# Vary sched_mc & sched_smt from 1 to 0 & 2 to 0 when workload
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# is running and ensure that tasks do not consolidate to single
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# package when sched_mc is set to 0.
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RC=0
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for sched_mc in `seq 1 $max_sched_mc`; do
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for sched_smt in `seq 1 $max_sched_smt`; do
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if [ $sched_smt -eq $sched_mc ]; then
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if pm_cpu_consolidation.py -v -c $sched_mc \
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-t $sched_smt; then
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echo "Test PASS: CPU consolidation test by" \
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"varying sched_mc & sched_smt from" \
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"$sched_mc to 0"
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else
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RC=1
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echo "Test FAIL: CPU consolidation test by" \
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"varying sched_mc & sched_smt from" \
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"$sched_mc to 0"
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fi
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fi
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done
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done
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if [ $RC -eq 0 ]; then
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tst_resm TPASS "CPU consolidation test by varying" \
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"sched_mc & sched_smt"
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else
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tst_resm TFAIL "CPU consolidation test by varying" \
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"sched_mc & sched_smt"
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fi
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tst_exit
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