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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
source _common.sh
# Kselftest framework requirement - SKIP code is 4.
ksft_skip=4
check_dependencies
damon_lru_sort_enabled="/sys/module/damon_lru_sort/parameters/enabled"
if [ ! -f "$damon_lru_sort_enabled" ]
then
echo "No 'enabled' file. Maybe DAMON_LRU_SORT not built"
exit $ksft_skip
fi
nr_kdamonds=$(pgrep kdamond | wc -l)
if [ "$nr_kdamonds" -ne 0 ]
then
echo "Another kdamond is running"
exit $ksft_skip
fi
echo Y > "$damon_lru_sort_enabled"
nr_kdamonds=$(pgrep kdamond | wc -l)
if [ "$nr_kdamonds" -ne 1 ]
then
echo "kdamond is not turned on"
exit 1
fi
echo N > "$damon_lru_sort_enabled"
nr_kdamonds=$(pgrep kdamond | wc -l)
if [ "$nr_kdamonds" -ne 0 ]
then
echo "kdamond is not turned off"
exit 1
fi
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