1 #! /bin/sh 2 # 3 # Copyright (c) International Business Machines Corp., 2001 4 # Author: Nageswara R Sastry <nasastry (at] 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 21 export TCID="Power_Management02" 22 export TST_TOTAL=1 23 24 . test.sh 25 . pm_include.sh 26 27 test_sched_smt() { 28 get_kernel_version 29 get_valid_input $kernel_version 30 31 invalid_input="3 4 5 6 7 8 a abcefg x1999 xffff -1 -00000 32 2000000000000000000000000000000000000000000000000000000000000000000000 33 ox324 -0xfffffffffffffffffffff" 34 test_file="/sys/devices/system/cpu/sched_smt_power_savings" 35 if [ ! -f ${test_file} ] ; then 36 tst_brkm TBROK "MISSING_FILE: missing file ${test_file}" 37 fi 38 39 echo "${0}: ---Valid test cases---" 40 check_input "${valid_input}" valid $test_file 41 RC=$? 42 echo "${0}: ---Invalid test cases---" 43 check_input "${invalid_input}" invalid $test_file 44 RC=$(( RC | $? )) 45 return $RC 46 } 47 48 # Checking test environment 49 check_kervel_arch 50 51 # Check sched_smt_power_savings interface on HT machines 52 hyper_threaded=$(is_hyper_threaded) 53 if [ ! -f /sys/devices/system/cpu/sched_smt_power_savings ] ; then 54 tst_brkm TCONF "Required kernel configuration for SCHED_SMT NOT set" 55 else 56 if [ $hyper_threaded -ne 0 ]; then 57 tst_brkm TCONF "sched_smt_power_saving interface in system" \ 58 "not hyper-threaded" 59 fi 60 fi 61 62 if test_sched_smt ; then 63 tst_resm TPASS "SCHED_SMT sysfs test" 64 else 65 tst_resm TFAIL "SCHED_SMT sysfs test" 66 fi 67 68 tst_exit 69
