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selftests/damon: remove the remaining test scripts for DAMON debugfs interface

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DAMON has dropped debugfs support; therefore, remove these unused scripts.

Link: https://lkml.kernel.org/r/20250411024332.1373861-1-enze.li@linux.dev
Fixes: 5ec4333b19 ("mm/damon: remove DAMON debugfs interface")
Signed-off-by: Enze Li <lienze@kylinos.cn>
Reviewed-by: SeongJae Park <sj@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Enze Li
2025-04-11 10:43:32 +08:00
committed by Andrew Morton
parent 60cada258d
commit f736953e2b
3 changed files with 1 additions and 117 deletions
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2
tools/testing/selftests/damon/Makefile
View File

@@ -3,7 +3,7 @@
TEST_GEN_FILES += access_memory access_memory_even
TEST_FILES = _chk_dependency.sh _damon_sysfs.py
TEST_FILES = _damon_sysfs.py
# functionality tests
TEST_PROGS += sysfs.sh

52
tools/testing/selftests/damon/_chk_dependency.sh
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@@ -1,52 +0,0 @@
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# Kselftest framework requirement - SKIP code is 4.
ksft_skip=4
DBGFS=$(grep debugfs /proc/mounts --max-count 1 | awk '{print $2}')
if [ "$DBGFS" = "" ]
then
echo "debugfs not mounted"
exit $ksft_skip
fi
DBGFS+="/damon"
if [ $EUID -ne 0 ];
then
echo "Run as root"
exit $ksft_skip
fi
if [ ! -d "$DBGFS" ]
then
echo "$DBGFS not found"
exit $ksft_skip
fi
if [ -f "$DBGFS/monitor_on_DEPRECATED" ]
then
monitor_on_file="monitor_on_DEPRECATED"
else
monitor_on_file="monitor_on"
fi
for f in attrs target_ids "$monitor_on_file"
do
if [ ! -f "$DBGFS/$f" ]
then
echo "$f not found"
exit 1
fi
done
permission_error="Operation not permitted"
for f in attrs target_ids "$monitor_on_file"
do
status=$( cat "$DBGFS/$f" 2>&1 )
if [ "${status#*$permission_error}" != "$status" ]; then
echo "Permission for reading $DBGFS/$f denied; maybe secureboot enabled?"
exit $ksft_skip
fi
done

64
tools/testing/selftests/damon/_debugfs_common.sh
View File

@@ -1,64 +0,0 @@
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
test_write_result() {
file=$1
content=$2
orig_content=$3
expect_reason=$4
expected=$5
if [ "$expected" = "0" ]
then
echo "$content" > "$file"
else
echo "$content" > "$file" 2> /dev/null
fi
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" > "$file"
exit 1
fi
}
source ./_chk_dependency.sh
damon_onoff="$DBGFS/monitor_on"
if [ -f "$DBGFS/monitor_on_DEPRECATED" ]
then
damon_onoff="$DBGFS/monitor_on_DEPRECATED"
else
damon_onoff="$DBGFS/monitor_on"
fi
if [ $(cat "$damon_onoff") = "on" ]
then
echo "monitoring is on"
exit $ksft_skip
fi