Commit f736953e authored by Enze Li's avatar Enze Li Committed by Andrew Morton
Browse files

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

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

Link: https://lkml.kernel.org/r/20250411024332.1373861-1-enze.li@linux.dev


Fixes: 5ec4333b ("mm/damon: remove DAMON debugfs interface")
Signed-off-by: default avatarEnze Li <lienze@kylinos.cn>
Reviewed-by: default avatarSeongJae Park <sj@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 60cada25
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+1 −1
Original line number Diff line number Diff line
@@ -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
+0 −52
Original line number Diff line number Diff line
#!/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
+0 −64
Original line number Diff line number Diff line
#!/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