1 #!/bin/sh 2 # 3 # Test Case 5 - sar 4 # 5 6 export TCID="cpuhotplug05" 7 export TST_TOTAL=1 8 export LC_TIME="POSIX" 9 10 # Includes: 11 . test.sh 12 . cpuhotplug_testsuite.sh 13 . cpuhotplug_hotplug.sh 14 15 cat <<EOF 16 Name: $TCID 17 Date: `date` 18 Desc: Does sar behave properly during CPU hotplug events? 19 20 EOF 21 22 usage() 23 { 24 cat << EOF 25 usage: $0 -c cpu -l loop -d directory 26 27 OPTIONS 28 -c cpu which is specified for testing 29 -l number of cycle test 30 -d directory used to lay file 31 32 EOF 33 exit 1 34 } 35 36 do_clean() 37 { 38 pid_is_valid ${SAR_PID} && kill_pid ${SAR_PID} 39 } 40 41 while getopts c:l:d: OPTION; do 42 case $OPTION in 43 c) 44 CPU_TO_TEST=$OPTARG;; 45 l) 46 HOTPLUG05_LOOPS=$OPTARG;; 47 d) 48 TMP=$OPTARG;; 49 ?) 50 usage;; 51 esac 52 done 53 54 LOOP_COUNT=1 55 56 tst_check_cmds sar 57 58 if [ $(get_present_cpus_num) -lt 2 ]; then 59 tst_brkm TCONF "system doesn't have required CPU hotplug support" 60 fi 61 62 if [ -z "$CPU_TO_TEST" ]; then 63 tst_brkm TBROK "usage: ${0##*} <CPU to offline>" 64 fi 65 66 # Validate the specified CPU is available 67 if ! cpu_is_valid "${CPU_TO_TEST}" ; then 68 tst_brkm TCONF "cpu${CPU_TO_TEST} doesn't support hotplug" 69 fi 70 71 # Check that the specified CPU is offline; if not, offline it 72 if cpu_is_online "${CPU_TO_TEST}" ; then 73 if ! offline_cpu ${CPU_TO_TEST} ; then 74 tst_brkm TBROK "CPU${CPU_TO_TEST} cannot be offlined" 75 fi 76 fi 77 78 TST_CLEANUP=do_clean 79 80 until [ $LOOP_COUNT -gt $HOTPLUG05_LOOPS ]; do 81 82 # Start up SAR and give it a couple cycles to run 83 sar 1 0 &>/dev/null & 84 sleep 2 85 # "sar 1 0" is supported before 'sysstat-8.1.4(include sar)', 86 # after that use "sar 1" instead of. Use 'ps -C sar' to check. 87 if ps -C sar &>/dev/null; then 88 pkill sar 89 sar -P ALL 1 0 > $TMP/log_$$ & 90 else 91 sar -P ALL 1 > $TMP/log_$$ & 92 fi 93 sleep 2 94 SAR_PID=$! 95 96 # Verify that SAR has correctly listed the missing CPU 97 while ! awk '{print $8}' $TMP/log_$$ | grep -i "^0.00"; do 98 tst_brkm TBROK "CPU${CPU_TO_TEST} Not Found on SAR!" 99 done 100 time=`date +%X` 101 sleep .5 102 103 # Verify that at least some of the CPUs are offline 104 NUMBER_CPU_OFF=$(grep "$time" $TMP/log_$$ | awk '{print $8}' \ 105 |grep -i "^0.00" | wc -l) 106 if [ ${NUMBER_CPU_OFF} -eq 0 ]; then 107 tst_brkm TBROK "no CPUs found offline" 108 fi 109 110 # Online the CPU 111 if ! online_cpu ${CPU_TO_TEST}; then 112 tst_brkm TBROK "CPU${CPU_TO_TEST} cannot be onlined line" 113 fi 114 115 sleep 2 116 time=$(date +%T) 117 sleep .5 118 119 # Check that SAR registered the change in CPU online/offline states 120 NEW_NUMBER_CPU_OFF=$(grep "$time" $TMP/log_$$|awk '{print $8}' \ 121 | grep -i "^0.00"| wc -l) 122 NUMBER_CPU_OFF=$((NUMBER_CPU_OFF-1)) 123 if [ "$NUMBER_CPU_OFF" != "$NEW_NUMBER_CPU_OFF" ]; then 124 tst_resm TFAIL "no change in number of offline CPUs was found." 125 tst_exit 126 fi 127 128 offline_cpu ${CPU_TO_TEST} 129 kill_pid ${SAR_PID} 130 131 LOOP_COUNT=$((LOOP_COUNT+1)) 132 133 done 134 135 tst_resm TPASS "CPU was found after turned on." 136 137 tst_exit 138
