tools/testing/selftests/pstore/pstore_post_reboot_tests

   1 #!/bin/sh
   2 # SPDX-License-Identifier: GPL-2.0-only
   3
   4 # pstore_post_reboot_tests - Check pstore's behavior after crash/reboot
   5 #
   6 # Copyright (C) Hitachi Ltd., 2015
   7 #  Written by Hiraku Toyooka <hiraku.toyooka.gu@hitachi.com>
   8 #
   9
  10 # Kselftest framework requirement - SKIP code is 4.
  11 ksft_skip=4
  12
  13 . ./common_tests
  14
  15 if [ -e $REBOOT_FLAG  ]; then
  16     rm $REBOOT_FLAG
  17 else
  18     prlog "pstore_crash_test has not been executed yet. we skip further tests."
  19     exit $ksft_skip
  20 fi
  21
  22 prlog -n "Mounting pstore filesystem ... "
  23 mount_info=`grep pstore /proc/mounts`
  24 if [ $? -eq 0 ]; then
  25     mount_point=`echo ${mount_info} | cut -d' ' -f2 | head -n1`
  26     prlog "ok"
  27 else
  28     mount none /sys/fs/pstore -t pstore
  29     if [ $? -eq 0 ]; then
  30         mount_point=`grep pstore /proc/mounts | cut -d' ' -f2 | head -n1`
  31         prlog "ok"
  32     else
  33         prlog "FAIL"
  34         exit 1
  35     fi
  36 fi
  37
  38 cd ${mount_point}
  39
  40 prlog -n "Checking dmesg files exist in pstore filesystem ... "
  41 check_files_exist dmesg
  42
  43 prlog -n "Checking console files exist in pstore filesystem ... "
  44 check_files_exist console
  45
  46 prlog -n "Checking pmsg files exist in pstore filesystem ... "
  47 check_files_exist pmsg
  48
  49 prlog -n "Checking dmesg files contain oops end marker"
  50 grep_end_trace() {
  51     grep -q "\---\[ end trace" $1
  52 }
  53 files=`ls dmesg-${backend}-*`
  54 operate_files $? "$files" grep_end_trace
  55
  56 prlog -n "Checking console file contains oops end marker ... "
  57 grep -q "\---\[ end trace" console-${backend}-0
  58 show_result $?
  59
  60 prlog -n "Checking pmsg file properly keeps the content written before crash ... "
  61 prev_uuid=`cat $TOP_DIR/prev_uuid`
  62 if [ $? -eq 0 ]; then
  63     nr_matched=`grep -c "$TEST_STRING_PATTERN" pmsg-${backend}-0`
  64     if [ $nr_matched -eq 1 ]; then
  65         grep -q "$TEST_STRING_PATTERN"$prev_uuid pmsg-${backend}-0
  66         show_result $?
  67     else
  68         prlog "FAIL"
  69         rc=1
  70     fi
  71 else
  72     prlog "FAIL"
  73     rc=1
  74 fi
  75
  76 prlog -n "Removing all files in pstore filesystem "
  77 files=`ls *-${backend}-*`
  78 operate_files $? "$files" rm
  79
  80 exit $rc