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