[v2,11/19] selftests/memory-hotplug: add install target to enable installing test

Message ID	8cdb2abb6eaa794801548e04ee6b9f403778e126.1415735831.git.shuahkh@osg.samsung.com (mailing list archive)
State	New, archived
Headers	show Return-Path: <linux-kbuild-owner@kernel.org> field: "References" From: Shuah Khan <shuahkh@osg.samsung.com> To: gregkh@linuxfoundation.org, akpm@linux-foundation.org, mmarek@suse.cz, davem@davemloft.net, keescook@chromium.org, tranmanphong@gmail.com, dh.herrmann@gmail.com, hughd@google.com, bobby.prani@gmail.com, ebiederm@xmission.com, serge.hallyn@ubuntu.com Cc: Shuah Khan <shuahkh@osg.samsung.com>, linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, linux-api@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH v2 11/19] selftests/memory-hotplug: add install target to enable installing test Date: Tue, 11 Nov 2014 13:27:51 -0700 Message-Id: <8cdb2abb6eaa794801548e04ee6b9f403778e126.1415735831.git.shuahkh@osg.samsung.com> In-Reply-To: <cover.1415735831.git.shuahkh@osg.samsung.com> References: <cover.1415735831.git.shuahkh@osg.samsung.com> In-Reply-To: <cover.1415735831.git.shuahkh@osg.samsung.com> References: <cover.1415735831.git.shuahkh@osg.samsung.com> Sender: linux-kbuild-owner@vger.kernel.org Precedence: bulk

diff --git a/tools/testing/selftests/memory-hotplug/Makefile b/tools/testing/selftests/memory-hotplug/Makefile index d46b8d4..8921631 100644 --- a/tools/testing/selftests/memory-hotplug/Makefile +++ b/tools/testing/selftests/memory-hotplug/Makefile @@ -1,9 +1,22 @@ +TEST_STR=/bin/bash ./mem-on-off-test.sh -r 2 || echo memory-hotplug selftests: [FAIL] + all: +install: +ifdef INSTALL_KSFT_PATH + install ./mem-on-off-test.sh $(INSTALL_KSFT_PATH)/mem-on-off-test.sh + @echo echo Start memory hotplug test .... >> $(KSELFTEST) + @echo "$(TEST_STR)" >> $(KSELFTEST) >> $(KSELFTEST) + @echo echo End memory hotplug test .... >> $(KSELFTEST) + @echo echo ============================== >> $(KSELFTEST) +else + @echo Run make kselftest_install in top level source directory +endif + run_tests: - @/bin/bash ./on-off-test.sh -r 2 || echo "memory-hotplug selftests: [FAIL]" + @$(TEST_STR) run_full_test: - @/bin/bash ./on-off-test.sh || echo "memory-hotplug selftests: [FAIL]" + @/bin/bash ./mem-on-off-test.sh || echo "memory-hotplug selftests: [FAIL]" clean: diff --git a/tools/testing/selftests/memory-hotplug/mem-on-off-test.sh b/tools/testing/selftests/memory-hotplug/mem-on-off-test.sh new file mode 100644 index 0000000..6cddde0 --- /dev/null +++ b/tools/testing/selftests/memory-hotplug/mem-on-off-test.sh @@ -0,0 +1,238 @@ +#!/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/memory/memory* > /dev/null 2>&1; then + echo $msg memory hotplug is not supported >&2 + exit 0 + fi +} + +# +# list all hot-pluggable memory +# +hotpluggable_memory() +{ + local state=${1:-.\*} + + for memory in $SYSFS/devices/system/memory/memory*; do + if grep -q 1 $memory/removable && + grep -q $state $memory/state; then + echo ${memory##/*/memory} + fi + done +} + +hotplaggable_offline_memory() +{ + hotpluggable_memory offline +} + +hotpluggable_online_memory() +{ + hotpluggable_memory online +} + +memory_is_online() +{ + grep -q online $SYSFS/devices/system/memory/memory$1/state +} + +memory_is_offline() +{ + grep -q offline $SYSFS/devices/system/memory/memory$1/state +} + +online_memory() +{ + echo online > $SYSFS/devices/system/memory/memory$1/state +} + +offline_memory() +{ + echo offline > $SYSFS/devices/system/memory/memory$1/state +} + +online_memory_expect_success() +{ + local memory=$1 + + if ! online_memory $memory; then + echo $FUNCNAME $memory: unexpected fail >&2 + elif ! memory_is_online $memory; then + echo $FUNCNAME $memory: unexpected offline >&2 + fi +} + +online_memory_expect_fail() +{ + local memory=$1 + + if online_memory $memory 2> /dev/null; then + echo $FUNCNAME $memory: unexpected success >&2 + elif ! memory_is_offline $memory; then + echo $FUNCNAME $memory: unexpected online >&2 + fi +} + +offline_memory_expect_success() +{ + local memory=$1 + + if ! offline_memory $memory; then + echo $FUNCNAME $memory: unexpected fail >&2 + elif ! memory_is_offline $memory; then + echo $FUNCNAME $memory: unexpected offline >&2 + fi +} + +offline_memory_expect_fail() +{ + local memory=$1 + + if offline_memory $memory 2> /dev/null; then + echo $FUNCNAME $memory: unexpected success >&2 + elif ! memory_is_online $memory; then + echo $FUNCNAME $memory: unexpected offline >&2 + fi +} + +error=-12 +priority=0 +ratio=10 + +while getopts e:hp:r: opt; do + case $opt in + e) + error=$OPTARG + ;; + h) + echo "Usage $0 [ -e errno ] [ -p notifier-priority ] [ -r percent-of-memory-to-offline ]" + exit + ;; + p) + priority=$OPTARG + ;; + r) + ratio=$OPTARG + ;; + esac +done + +if ! [ "$error" -ge -4095 -a "$error" -lt 0 ]; then + echo "error code must be -4095 <= errno < 0" >&2 + exit 1 +fi + +prerequisite + +echo "Test scope: $ratio% hotplug memory" +echo -e "\t online all hotplug memory in offline state" +echo -e "\t offline $ratio% hotplug memory in online state" +echo -e "\t online all hotplug memory in offline state" + +# +# Online all hot-pluggable memory +# +for memory in `hotplaggable_offline_memory`; do + echo offline-online $memory + online_memory_expect_success $memory +done + +# +# Offline $ratio percent of hot-pluggable memory +# +for memory in `hotpluggable_online_memory`; do + if [ $((RANDOM % 100)) -lt $ratio ]; then + echo online-offline $memory + offline_memory_expect_success $memory + fi +done + +# +# Online all hot-pluggable memory again +# +for memory in `hotplaggable_offline_memory`; do + echo offline-online $memory + online_memory_expect_success $memory +done + +# +# Test with memory notifier error injection +# + +DEBUGFS=`mount -t debugfs | head -1 | awk '{ print $3 }'` +NOTIFIER_ERR_INJECT_DIR=$DEBUGFS/notifier-error-inject/memory + +prerequisite_extra() +{ + msg="skip extra tests:" + + /sbin/modprobe -q -r memory-notifier-error-inject + /sbin/modprobe -q memory-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 memory-notifier-error-inject module is not available >&2 + exit 0 + fi +} + +prerequisite_extra + +# +# Offline $ratio percent of hot-pluggable memory +# +echo 0 > $NOTIFIER_ERR_INJECT_DIR/actions/MEM_GOING_OFFLINE/error +for memory in `hotpluggable_online_memory`; do + if [ $((RANDOM % 100)) -lt $ratio ]; then + offline_memory_expect_success $memory + fi +done + +# +# Test memory hot-add error handling (offline => online) +# +echo $error > $NOTIFIER_ERR_INJECT_DIR/actions/MEM_GOING_ONLINE/error +for memory in `hotplaggable_offline_memory`; do + online_memory_expect_fail $memory +done + +# +# Online all hot-pluggable memory +# +echo 0 > $NOTIFIER_ERR_INJECT_DIR/actions/MEM_GOING_ONLINE/error +for memory in `hotplaggable_offline_memory`; do + online_memory_expect_success $memory +done + +# +# Test memory hot-remove error handling (online => offline) +# +echo $error > $NOTIFIER_ERR_INJECT_DIR/actions/MEM_GOING_OFFLINE/error +for memory in `hotpluggable_online_memory`; do + offline_memory_expect_fail $memory +done + +echo 0 > $NOTIFIER_ERR_INJECT_DIR/actions/MEM_GOING_OFFLINE/error +/sbin/modprobe -q -r memory-notifier-error-inject diff --git a/tools/testing/selftests/memory-hotplug/on-off-test.sh b/tools/testing/selftests/memory-hotplug/on-off-test.sh deleted file mode 100644 index 6cddde0..0000000 --- a/tools/testing/selftests/memory-hotplug/on-off-test.sh +++ /dev/null @@ -1,238 +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/memory/memory* > /dev/null 2>&1; then - echo $msg memory hotplug is not supported >&2 - exit 0 - fi -} - -# -# list all hot-pluggable memory -# -hotpluggable_memory() -{ - local state=${1:-.\*} - - for memory in $SYSFS/devices/system/memory/memory*; do - if grep -q 1 $memory/removable && - grep -q $state $memory/state; then - echo ${memory##/*/memory} - fi - done -} - -hotplaggable_offline_memory() -{ - hotpluggable_memory offline -} - -hotpluggable_online_memory() -{ - hotpluggable_memory online -} - -memory_is_online() -{ - grep -q online $SYSFS/devices/system/memory/memory$1/state -} - -memory_is_offline() -{ - grep -q offline $SYSFS/devices/system/memory/memory$1/state -} - -online_memory() -{ - echo online > $SYSFS/devices/system/memory/memory$1/state -} - -offline_memory() -{ - echo offline > $SYSFS/devices/system/memory/memory$1/state -} - -online_memory_expect_success() -{ - local memory=$1 - - if ! online_memory $memory; then - echo $FUNCNAME $memory: unexpected fail >&2 - elif ! memory_is_online $memory; then - echo $FUNCNAME $memory: unexpected offline >&2 - fi -} - -online_memory_expect_fail() -{ - local memory=$1 - - if online_memory $memory 2> /dev/null; then - echo $FUNCNAME $memory: unexpected success >&2 - elif ! memory_is_offline $memory; then - echo $FUNCNAME $memory: unexpected online >&2 - fi -} - -offline_memory_expect_success() -{ - local memory=$1 - - if ! offline_memory $memory; then - echo $FUNCNAME $memory: unexpected fail >&2 - elif ! memory_is_offline $memory; then - echo $FUNCNAME $memory: unexpected offline >&2 - fi -} - -offline_memory_expect_fail() -{ - local memory=$1 - - if offline_memory $memory 2> /dev/null; then - echo $FUNCNAME $memory: unexpected success >&2 - elif ! memory_is_online $memory; then - echo $FUNCNAME $memory: unexpected offline >&2 - fi -} - -error=-12 -priority=0 -ratio=10 - -while getopts e:hp:r: opt; do - case $opt in - e) - error=$OPTARG - ;; - h) - echo "Usage $0 [ -e errno ] [ -p notifier-priority ] [ -r percent-of-memory-to-offline ]" - exit - ;; - p) - priority=$OPTARG - ;; - r) - ratio=$OPTARG - ;; - esac -done - -if ! [ "$error" -ge -4095 -a "$error" -lt 0 ]; then - echo "error code must be -4095 <= errno < 0" >&2 - exit 1 -fi - -prerequisite - -echo "Test scope: $ratio% hotplug memory" -echo -e "\t online all hotplug memory in offline state" -echo -e "\t offline $ratio% hotplug memory in online state" -echo -e "\t online all hotplug memory in offline state" - -# -# Online all hot-pluggable memory -# -for memory in `hotplaggable_offline_memory`; do - echo offline-online $memory - online_memory_expect_success $memory -done - -# -# Offline $ratio percent of hot-pluggable memory -# -for memory in `hotpluggable_online_memory`; do - if [ $((RANDOM % 100)) -lt $ratio ]; then - echo online-offline $memory - offline_memory_expect_success $memory - fi -done - -# -# Online all hot-pluggable memory again -# -for memory in `hotplaggable_offline_memory`; do - echo offline-online $memory - online_memory_expect_success $memory -done - -# -# Test with memory notifier error injection -# - -DEBUGFS=`mount -t debugfs | head -1 | awk '{ print $3 }'` -NOTIFIER_ERR_INJECT_DIR=$DEBUGFS/notifier-error-inject/memory - -prerequisite_extra() -{ - msg="skip extra tests:" - - /sbin/modprobe -q -r memory-notifier-error-inject - /sbin/modprobe -q memory-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 memory-notifier-error-inject module is not available >&2 - exit 0 - fi -} - -prerequisite_extra - -# -# Offline $ratio percent of hot-pluggable memory -# -echo 0 > $NOTIFIER_ERR_INJECT_DIR/actions/MEM_GOING_OFFLINE/error -for memory in `hotpluggable_online_memory`; do - if [ $((RANDOM % 100)) -lt $ratio ]; then - offline_memory_expect_success $memory - fi -done - -# -# Test memory hot-add error handling (offline => online) -# -echo $error > $NOTIFIER_ERR_INJECT_DIR/actions/MEM_GOING_ONLINE/error -for memory in `hotplaggable_offline_memory`; do - online_memory_expect_fail $memory -done - -# -# Online all hot-pluggable memory -# -echo 0 > $NOTIFIER_ERR_INJECT_DIR/actions/MEM_GOING_ONLINE/error -for memory in `hotplaggable_offline_memory`; do - online_memory_expect_success $memory -done - -# -# Test memory hot-remove error handling (online => offline) -# -echo $error > $NOTIFIER_ERR_INJECT_DIR/actions/MEM_GOING_OFFLINE/error -for memory in `hotpluggable_online_memory`; do - offline_memory_expect_fail $memory -done - -echo 0 > $NOTIFIER_ERR_INJECT_DIR/actions/MEM_GOING_OFFLINE/error -/sbin/modprobe -q -r memory-notifier-error-inject

[v2,11/19] selftests/memory-hotplug: add install target to enable installing test

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