kernel/tools/testing/selftests/damon/debugfs_attrs.sh

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2024-07-22 17:22:30 +08:00
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
test_write_result() {
file=$1
content=$2
orig_content=$3
expect_reason=$4
expected=$5
echo "$content" > "$file"
if [ $? -ne "$expected" ]
then
echo "writing $content to $file doesn't return $expected"
echo "expected because: $expect_reason"
echo "$orig_content" > "$file"
exit 1
fi
}
test_write_succ() {
test_write_result "$1" "$2" "$3" "$4" 0
}
test_write_fail() {
test_write_result "$1" "$2" "$3" "$4" 1
}
test_content() {
file=$1
orig_content=$2
expected=$3
expect_reason=$4
content=$(cat "$file")
if [ "$content" != "$expected" ]
then
echo "reading $file expected $expected but $content"
echo "expected because: $expect_reason"
echo "$orig_content" > "$file"
exit 1
fi
}
source ./_chk_dependency.sh
# Test attrs file
# ===============
file="$DBGFS/attrs"
orig_content=$(cat "$file")
test_write_succ "$file" "1 2 3 4 5" "$orig_content" "valid input"
test_write_fail "$file" "1 2 3 4" "$orig_content" "no enough fields"
test_write_fail "$file" "1 2 3 5 4" "$orig_content" \
"min_nr_regions > max_nr_regions"
test_content "$file" "$orig_content" "1 2 3 4 5" "successfully written"
echo "$orig_content" > "$file"
# Test target_ids file
# ====================
file="$DBGFS/target_ids"
orig_content=$(cat "$file")
test_write_succ "$file" "1 2 3 4" "$orig_content" "valid input"
test_write_succ "$file" "1 2 abc 4" "$orig_content" "still valid input"
test_content "$file" "$orig_content" "1 2" "non-integer was there"
test_write_succ "$file" "abc 2 3" "$orig_content" "the file allows wrong input"
test_content "$file" "$orig_content" "" "wrong input written"
test_write_succ "$file" "" "$orig_content" "empty input"
test_content "$file" "$orig_content" "" "empty input written"
echo "$orig_content" > "$file"
# Test huge count read write
# ==========================
dmesg -C
for file in "$DBGFS/"*
do
./huge_count_read_write "$file"
done
if dmesg | grep -q WARNING
then
dmesg
exit 1
else
exit 0
fi
echo "PASS"