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-rw-r--r--tools/testing/selftests/pstore/.gitignore3
-rw-r--r--tools/testing/selftests/pstore/Makefile14
-rwxr-xr-xtools/testing/selftests/pstore/common_tests83
-rw-r--r--tools/testing/selftests/pstore/config5
-rwxr-xr-xtools/testing/selftests/pstore/pstore_crash_test30
-rwxr-xr-xtools/testing/selftests/pstore/pstore_post_reboot_tests80
-rwxr-xr-xtools/testing/selftests/pstore/pstore_tests30
7 files changed, 245 insertions, 0 deletions
diff --git a/tools/testing/selftests/pstore/.gitignore b/tools/testing/selftests/pstore/.gitignore
new file mode 100644
index 000000000..9938fb406
--- /dev/null
+++ b/tools/testing/selftests/pstore/.gitignore
@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+logs
+*uuid
diff --git a/tools/testing/selftests/pstore/Makefile b/tools/testing/selftests/pstore/Makefile
new file mode 100644
index 000000000..5ef57855a
--- /dev/null
+++ b/tools/testing/selftests/pstore/Makefile
@@ -0,0 +1,14 @@
+# SPDX-License-Identifier: GPL-2.0
+# Makefile for pstore selftests.
+# Expects pstore backend is registered.
+
+all:
+
+TEST_PROGS := pstore_tests pstore_post_reboot_tests
+TEST_FILES := common_tests pstore_crash_test
+EXTRA_CLEAN := logs/* *uuid
+
+include ../lib.mk
+
+run_crash:
+ @sh pstore_crash_test || { echo "pstore_crash_test: [FAIL]"; exit 1; }
diff --git a/tools/testing/selftests/pstore/common_tests b/tools/testing/selftests/pstore/common_tests
new file mode 100755
index 000000000..4509f0cc9
--- /dev/null
+++ b/tools/testing/selftests/pstore/common_tests
@@ -0,0 +1,83 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0-only
+
+# common_tests - Shell script commonly used by pstore test scripts
+#
+# Copyright (C) Hitachi Ltd., 2015
+# Written by Hiraku Toyooka <hiraku.toyooka.gu@hitachi.com>
+#
+
+# Utilities
+errexit() { # message
+ echo "Error: $1" 1>&2
+ exit 1
+}
+
+absdir() { # file_path
+ (cd `dirname $1`; pwd)
+}
+
+show_result() { # result_value
+ if [ $1 -eq 0 ]; then
+ prlog "ok"
+ else
+ prlog "FAIL"
+ rc=1
+ fi
+}
+
+check_files_exist() { # type of pstorefs file
+ if [ -e ${1}-${backend}-0 ]; then
+ prlog "ok"
+ for f in `ls ${1}-${backend}-*`; do
+ prlog -e "\t${f}"
+ done
+ else
+ prlog "FAIL"
+ rc=1
+ fi
+}
+
+operate_files() { # tested value, files, operation
+ if [ $1 -eq 0 ]; then
+ prlog
+ for f in $2; do
+ prlog -ne "\t${f} ... "
+ # execute operation
+ $3 $f
+ show_result $?
+ done
+ else
+ prlog " ... FAIL"
+ rc=1
+ fi
+}
+
+# Parameters
+TEST_STRING_PATTERN="Testing pstore: uuid="
+UUID=`cat /proc/sys/kernel/random/uuid`
+TOP_DIR=`absdir $0`
+LOG_DIR=$TOP_DIR/logs/`date +%Y%m%d-%H%M%S`_${UUID}/
+REBOOT_FLAG=$TOP_DIR/reboot_flag
+
+# Preparing logs
+LOG_FILE=$LOG_DIR/`basename $0`.log
+mkdir -p $LOG_DIR || errexit "Failed to make a log directory: $LOG_DIR"
+date > $LOG_FILE
+prlog() { # messages
+ /bin/echo "$@" | tee -a $LOG_FILE
+}
+
+# Starting tests
+rc=0
+prlog "=== Pstore unit tests (`basename $0`) ==="
+prlog "UUID="$UUID
+
+prlog -n "Checking pstore backend is registered ... "
+backend=`cat /sys/module/pstore/parameters/backend`
+show_result $?
+prlog -e "\tbackend=${backend}"
+prlog -e "\tcmdline=`cat /proc/cmdline`"
+if [ $rc -ne 0 ]; then
+ exit 1
+fi
diff --git a/tools/testing/selftests/pstore/config b/tools/testing/selftests/pstore/config
new file mode 100644
index 000000000..d148f9f89
--- /dev/null
+++ b/tools/testing/selftests/pstore/config
@@ -0,0 +1,5 @@
+CONFIG_MISC_FILESYSTEMS=y
+CONFIG_PSTORE=y
+CONFIG_PSTORE_PMSG=y
+CONFIG_PSTORE_CONSOLE=y
+CONFIG_PSTORE_RAM=m
diff --git a/tools/testing/selftests/pstore/pstore_crash_test b/tools/testing/selftests/pstore/pstore_crash_test
new file mode 100755
index 000000000..2a329bbb4
--- /dev/null
+++ b/tools/testing/selftests/pstore/pstore_crash_test
@@ -0,0 +1,30 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0-only
+
+# pstore_crash_test - Pstore test shell script which causes crash and reboot
+#
+# Copyright (C) Hitachi Ltd., 2015
+# Written by Hiraku Toyooka <hiraku.toyooka.gu@hitachi.com>
+#
+
+# exit if pstore backend is not registered
+. ./common_tests
+
+prlog "Causing kernel crash ..."
+
+# enable all functions triggered by sysrq
+echo 1 > /proc/sys/kernel/sysrq
+# setting to reboot in 3 seconds after panic
+echo 3 > /proc/sys/kernel/panic
+
+# save uuid file by different name because next test execution will replace it.
+mv $TOP_DIR/uuid $TOP_DIR/prev_uuid
+
+# create a file as reboot flag
+touch $REBOOT_FLAG
+sync
+
+# cause crash
+# Note: If you use kdump and want to see kmesg-* files after reboot, you should
+# specify 'crash_kexec_post_notifiers' in 1st kernel's cmdline.
+echo c > /proc/sysrq-trigger
diff --git a/tools/testing/selftests/pstore/pstore_post_reboot_tests b/tools/testing/selftests/pstore/pstore_post_reboot_tests
new file mode 100755
index 000000000..d6da5e86e
--- /dev/null
+++ b/tools/testing/selftests/pstore/pstore_post_reboot_tests
@@ -0,0 +1,80 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0-only
+
+# pstore_post_reboot_tests - Check pstore's behavior after crash/reboot
+#
+# Copyright (C) Hitachi Ltd., 2015
+# Written by Hiraku Toyooka <hiraku.toyooka.gu@hitachi.com>
+#
+
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
+. ./common_tests
+
+if [ -e $REBOOT_FLAG ]; then
+ rm $REBOOT_FLAG
+else
+ prlog "pstore_crash_test has not been executed yet. we skip further tests."
+ exit $ksft_skip
+fi
+
+prlog -n "Mounting pstore filesystem ... "
+mount_info=`grep pstore /proc/mounts`
+if [ $? -eq 0 ]; then
+ mount_point=`echo ${mount_info} | cut -d' ' -f2 | head -n1`
+ prlog "ok"
+else
+ mount none /sys/fs/pstore -t pstore
+ if [ $? -eq 0 ]; then
+ mount_point=`grep pstore /proc/mounts | cut -d' ' -f2 | head -n1`
+ prlog "ok"
+ else
+ prlog "FAIL"
+ exit 1
+ fi
+fi
+
+cd ${mount_point}
+
+prlog -n "Checking dmesg files exist in pstore filesystem ... "
+check_files_exist dmesg
+
+prlog -n "Checking console files exist in pstore filesystem ... "
+check_files_exist console
+
+prlog -n "Checking pmsg files exist in pstore filesystem ... "
+check_files_exist pmsg
+
+prlog -n "Checking dmesg files contain oops end marker"
+grep_end_trace() {
+ grep -q "\---\[ end trace" $1
+}
+files=`ls dmesg-${backend}-*`
+operate_files $? "$files" grep_end_trace
+
+prlog -n "Checking console file contains oops end marker ... "
+grep -q "\---\[ end trace" console-${backend}-0
+show_result $?
+
+prlog -n "Checking pmsg file properly keeps the content written before crash ... "
+prev_uuid=`cat $TOP_DIR/prev_uuid`
+if [ $? -eq 0 ]; then
+ nr_matched=`grep -c "$TEST_STRING_PATTERN" pmsg-${backend}-0`
+ if [ $nr_matched -eq 1 ]; then
+ grep -q "$TEST_STRING_PATTERN"$prev_uuid pmsg-${backend}-0
+ show_result $?
+ else
+ prlog "FAIL"
+ rc=1
+ fi
+else
+ prlog "FAIL"
+ rc=1
+fi
+
+prlog -n "Removing all files in pstore filesystem "
+files=`ls *-${backend}-*`
+operate_files $? "$files" rm
+
+exit $rc
diff --git a/tools/testing/selftests/pstore/pstore_tests b/tools/testing/selftests/pstore/pstore_tests
new file mode 100755
index 000000000..2aa9a3852
--- /dev/null
+++ b/tools/testing/selftests/pstore/pstore_tests
@@ -0,0 +1,30 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0-only
+
+# pstore_tests - Check pstore's behavior before crash/reboot
+#
+# Copyright (C) Hitachi Ltd., 2015
+# Written by Hiraku Toyooka <hiraku.toyooka.gu@hitachi.com>
+#
+
+. ./common_tests
+
+prlog -n "Checking pstore console is registered ... "
+dmesg | grep -Eq "console \[(pstore|${backend})"
+show_result $?
+
+prlog -n "Checking /dev/pmsg0 exists ... "
+test -e /dev/pmsg0
+show_result $?
+
+prlog -n "Writing unique string to /dev/pmsg0 ... "
+if [ -e "/dev/pmsg0" ]; then
+ echo "${TEST_STRING_PATTERN}""$UUID" > /dev/pmsg0
+ show_result $?
+ echo "$UUID" > $TOP_DIR/uuid
+else
+ prlog "FAIL"
+ rc=1
+fi
+
+exit $rc
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-30 00:44:02 +0000