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-rw-r--r--tools/testing/selftests/damon/reclaim.sh42
1 files changed, 42 insertions, 0 deletions
diff --git a/tools/testing/selftests/damon/reclaim.sh b/tools/testing/selftests/damon/reclaim.sh
new file mode 100644
index 0000000000..78dbc2334c
--- /dev/null
+++ b/tools/testing/selftests/damon/reclaim.sh
@@ -0,0 +1,42 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
+if [ $EUID -ne 0 ]
+then
+ echo "Run as root"
+ exit $ksft_skip
+fi
+
+damon_reclaim_enabled="/sys/module/damon_reclaim/parameters/enabled"
+if [ ! -f "$damon_reclaim_enabled" ]
+then
+ echo "No 'enabled' file. Maybe DAMON_RECLAIM 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_reclaim_enabled"
+
+nr_kdamonds=$(pgrep kdamond | wc -l)
+if [ "$nr_kdamonds" -ne 1 ]
+then
+ echo "kdamond is not turned on"
+ exit 1
+fi
+
+echo N > "$damon_reclaim_enabled"
+nr_kdamonds=$(pgrep kdamond | wc -l)
+if [ "$nr_kdamonds" -ne 0 ]
+then
+ echo "kdamond is not turned off"
+ exit 1
+fi