diff options
Diffstat (limited to 'tools/testing/selftests/cpu-hotplug/on-off-test.sh')
| -rw-r--r-- | tools/testing/selftests/cpu-hotplug/on-off-test.sh | 221 |
1 files changed, 0 insertions, 221 deletions
diff --git a/tools/testing/selftests/cpu-hotplug/on-off-test.sh b/tools/testing/selftests/cpu-hotplug/on-off-test.sh deleted file mode 100644 index bdde7cf428bb..000000000000 --- a/tools/testing/selftests/cpu-hotplug/on-off-test.sh +++ /dev/null @@ -1,221 +0,0 @@ -#!/bin/bash - -SYSFS= - -prerequisite() -{ - msg="skip all tests:" - - if [ $UID != 0 ]; then - echo $msg must be run as root >&2 - exit 0 - fi - - SYSFS=`mount -t sysfs | head -1 | awk '{ print $3 }'` - - if [ ! -d "$SYSFS" ]; then - echo $msg sysfs is not mounted >&2 - exit 0 - fi - - if ! ls $SYSFS/devices/system/cpu/cpu* > /dev/null 2>&1; then - echo $msg cpu hotplug is not supported >&2 - exit 0 - fi -} - -# -# list all hot-pluggable CPUs -# -hotpluggable_cpus() -{ - local state=${1:-.\*} - - for cpu in $SYSFS/devices/system/cpu/cpu*; do - if [ -f $cpu/online ] && grep -q $state $cpu/online; then - echo ${cpu##/*/cpu} - fi - done -} - -hotplaggable_offline_cpus() -{ - hotpluggable_cpus 0 -} - -hotpluggable_online_cpus() -{ - hotpluggable_cpus 1 -} - -cpu_is_online() -{ - grep -q 1 $SYSFS/devices/system/cpu/cpu$1/online -} - -cpu_is_offline() -{ - grep -q 0 $SYSFS/devices/system/cpu/cpu$1/online -} - -online_cpu() -{ - echo 1 > $SYSFS/devices/system/cpu/cpu$1/online -} - -offline_cpu() -{ - echo 0 > $SYSFS/devices/system/cpu/cpu$1/online -} - -online_cpu_expect_success() -{ - local cpu=$1 - - if ! online_cpu $cpu; then - echo $FUNCNAME $cpu: unexpected fail >&2 - elif ! cpu_is_online $cpu; then - echo $FUNCNAME $cpu: unexpected offline >&2 - fi -} - -online_cpu_expect_fail() -{ - local cpu=$1 - - if online_cpu $cpu 2> /dev/null; then - echo $FUNCNAME $cpu: unexpected success >&2 - elif ! cpu_is_offline $cpu; then - echo $FUNCNAME $cpu: unexpected online >&2 - fi -} - -offline_cpu_expect_success() -{ - local cpu=$1 - - if ! offline_cpu $cpu; then - echo $FUNCNAME $cpu: unexpected fail >&2 - elif ! cpu_is_offline $cpu; then - echo $FUNCNAME $cpu: unexpected offline >&2 - fi -} - -offline_cpu_expect_fail() -{ - local cpu=$1 - - if offline_cpu $cpu 2> /dev/null; then - echo $FUNCNAME $cpu: unexpected success >&2 - elif ! cpu_is_online $cpu; then - echo $FUNCNAME $cpu: unexpected offline >&2 - fi -} - -error=-12 -priority=0 - -while getopts e:hp: opt; do - case $opt in - e) - error=$OPTARG - ;; - h) - echo "Usage $0 [ -e errno ] [ -p notifier-priority ]" - exit - ;; - p) - priority=$OPTARG - ;; - esac -done - -if ! [ "$error" -ge -4095 -a "$error" -lt 0 ]; then - echo "error code must be -4095 <= errno < 0" >&2 - exit 1 -fi - -prerequisite - -# -# Online all hot-pluggable CPUs -# -for cpu in `hotplaggable_offline_cpus`; do - online_cpu_expect_success $cpu -done - -# -# Offline all hot-pluggable CPUs -# -for cpu in `hotpluggable_online_cpus`; do - offline_cpu_expect_success $cpu -done - -# -# Online all hot-pluggable CPUs again -# -for cpu in `hotplaggable_offline_cpus`; do - online_cpu_expect_success $cpu -done - -# -# Test with cpu notifier error injection -# - -DEBUGFS=`mount -t debugfs | head -1 | awk '{ print $3 }'` -NOTIFIER_ERR_INJECT_DIR=$DEBUGFS/notifier-error-inject/cpu - -prerequisite_extra() -{ - msg="skip extra tests:" - - /sbin/modprobe -q -r cpu-notifier-error-inject - /sbin/modprobe -q cpu-notifier-error-inject priority=$priority - - if [ ! -d "$DEBUGFS" ]; then - echo $msg debugfs is not mounted >&2 - exit 0 - fi - - if [ ! -d $NOTIFIER_ERR_INJECT_DIR ]; then - echo $msg cpu-notifier-error-inject module is not available >&2 - exit 0 - fi -} - -prerequisite_extra - -# -# Offline all hot-pluggable CPUs -# -echo 0 > $NOTIFIER_ERR_INJECT_DIR/actions/CPU_DOWN_PREPARE/error -for cpu in `hotpluggable_online_cpus`; do - offline_cpu_expect_success $cpu -done - -# -# Test CPU hot-add error handling (offline => online) -# -echo $error > $NOTIFIER_ERR_INJECT_DIR/actions/CPU_UP_PREPARE/error -for cpu in `hotplaggable_offline_cpus`; do - online_cpu_expect_fail $cpu -done - -# -# Online all hot-pluggable CPUs -# -echo 0 > $NOTIFIER_ERR_INJECT_DIR/actions/CPU_UP_PREPARE/error -for cpu in `hotplaggable_offline_cpus`; do - online_cpu_expect_success $cpu -done - -# -# Test CPU hot-remove error handling (online => offline) -# -echo $error > $NOTIFIER_ERR_INJECT_DIR/actions/CPU_DOWN_PREPARE/error -for cpu in `hotpluggable_online_cpus`; do - offline_cpu_expect_fail $cpu -done - -echo 0 > $NOTIFIER_ERR_INJECT_DIR/actions/CPU_DOWN_PREPARE/error -/sbin/modprobe -q -r cpu-notifier-error-inject |