tools/testing/selftests/damon/_debugfs_common.sh

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4 test_write_result() {
   5         file=$1
   6         content=$2
   7         orig_content=$3
   8         expect_reason=$4
   9         expected=$5
  10
  11         if [ "$expected" = "0" ]
  12         then
  13                 echo "$content" > "$file"
  14         else
  15                 echo "$content" > "$file" 2> /dev/null
  16         fi
  17         if [ $? -ne "$expected" ]
  18         then
  19                 echo "writing $content to $file doesn't return $expected"
  20                 echo "expected because: $expect_reason"
  21                 echo "$orig_content" > "$file"
  22                 exit 1
  23         fi
  24 }
  25
  26 test_write_succ() {
  27         test_write_result "$1" "$2" "$3" "$4" 0
  28 }
  29
  30 test_write_fail() {
  31         test_write_result "$1" "$2" "$3" "$4" 1
  32 }
  33
  34 test_content() {
  35         file=$1
  36         orig_content=$2
  37         expected=$3
  38         expect_reason=$4
  39
  40         content=$(cat "$file")
  41         if [ "$content" != "$expected" ]
  42         then
  43                 echo "reading $file expected $expected but $content"
  44                 echo "expected because: $expect_reason"
  45                 echo "$orig_content" > "$file"
  46                 exit 1
  47         fi
  48 }
  49
  50 source ./_chk_dependency.sh
  51
  52 damon_onoff="$DBGFS/monitor_on"
  53 if [ -f "$DBGFS/monitor_on_DEPRECATED" ]
  54 then
  55         damon_onoff="$DBGFS/monitor_on_DEPRECATED"
  56 else
  57         damon_onoff="$DBGFS/monitor_on"
  58 fi
  59
  60 if [ $(cat "$damon_onoff") = "on" ]
  61 then
  62         echo "monitoring is on"
  63         exit $ksft_skip
  64 fi