1 #!/bin/bash
2 # SPDX-License-Identifier: GPL-2.0
3
4 # Kselftest framework requirement - SKIP code
5 ksft_skip=4
6
7 if [ $EUID -ne 0 ]
8 then
9 echo "Run as root"
10 exit $ksft_skip
11 fi
12
13 damon_reclaim_enabled="/sys/module/damon_recla
14 if [ ! -f "$damon_reclaim_enabled" ]
15 then
16 echo "No 'enabled' file. Maybe DAMON_
17 exit $ksft_skip
18 fi
19
20 nr_kdamonds=$(pgrep kdamond | wc -l)
21 if [ "$nr_kdamonds" -ne 0 ]
22 then
23 echo "Another kdamond is running"
24 exit $ksft_skip
25 fi
26
27 echo Y > "$damon_reclaim_enabled"
28
29 nr_kdamonds=$(pgrep kdamond | wc -l)
30 if [ "$nr_kdamonds" -ne 1 ]
31 then
32 echo "kdamond is not turned on"
33 exit 1
34 fi
35
36 echo N > "$damon_reclaim_enabled"
37 nr_kdamonds=$(pgrep kdamond | wc -l)
38 if [ "$nr_kdamonds" -ne 0 ]
39 then
40 echo "kdamond is not turned off"
41 exit 1
42 fi
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