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4cc0ee7787
Add simple test cases for DAMON_RECLAIM's 'enabled' parameter. Those tests are focusing on the synchronous behavior of DAMON_RECLAIM enabling and disabling. Link: https://lkml.kernel.org/r/20221025173650.90624-3-sj@kernel.org Signed-off-by: SeongJae Park <sj@kernel.org> Cc: Shuah Khan <shuah@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
42 lines
793 B
Bash
42 lines
793 B
Bash
#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Kselftest framework requirement - SKIP code is 4.
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ksft_skip=4
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if [ $EUID -ne 0 ]
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then
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echo "Run as root"
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exit $ksft_skip
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fi
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damon_reclaim_enabled="/sys/module/damon_reclaim/parameters/enabled"
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if [ ! -f "$damon_reclaim_enabled" ]
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then
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echo "No 'enabled' file. Maybe DAMON_RECLAIM not built"
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exit $ksft_skip
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fi
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nr_kdamonds=$(pgrep kdamond | wc -l)
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if [ "$nr_kdamonds" -ne 0 ]
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then
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echo "Another kdamond is running"
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exit $ksft_skip
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fi
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echo Y > "$damon_reclaim_enabled"
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nr_kdamonds=$(pgrep kdamond | wc -l)
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if [ "$nr_kdamonds" -ne 1 ]
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then
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echo "kdamond is not turned on"
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exit 1
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fi
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echo N > "$damon_reclaim_enabled"
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nr_kdamonds=$(pgrep kdamond | wc -l)
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if [ "$nr_kdamonds" -ne 0 ]
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then
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echo "kdamond is not turned off"
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exit 1
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fi
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