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| author | SeongJae Park <sj@kernel.org> | 2022-10-25 17:36:50 +0000 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-11-30 15:01:27 -0800 |
| commit | 9cd6ffa60256e931503d347006049b8bef508203 (patch) | |
| tree | 420442941782cef55e3f68af629fa838597ef3a3 | |
| parent | 7a034fbba3361e94956431d17660d7c5674d13c3 (diff) | |
| download | linux-stable-9cd6ffa60256e931503d347006049b8bef508203.tar.gz linux-stable-9cd6ffa60256e931503d347006049b8bef508203.tar.bz2 linux-stable-9cd6ffa60256e931503d347006049b8bef508203.zip | |
selftests/damon: add tests for DAMON_LRU_SORT's enabled parameter
Add simple test cases for DAMON_LRU_SORT's 'enabled' parameter. Those
tests are focusing on the synchronous behavior of DAMON_RECLAIM enabling
and disabling.
Link: https://lkml.kernel.org/r/20221025173650.90624-5-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>
| -rw-r--r-- | tools/testing/selftests/damon/Makefile | 2 | ||||
| -rw-r--r-- | tools/testing/selftests/damon/lru_sort.sh | 41 |
2 files changed, 42 insertions, 1 deletions
diff --git a/tools/testing/selftests/damon/Makefile b/tools/testing/selftests/damon/Makefile index dbbf18cb3e6b..af490acc5348 100644 --- a/tools/testing/selftests/damon/Makefile +++ b/tools/testing/selftests/damon/Makefile @@ -8,6 +8,6 @@ TEST_PROGS = debugfs_attrs.sh debugfs_schemes.sh debugfs_target_ids.sh TEST_PROGS += debugfs_empty_targets.sh debugfs_huge_count_read_write.sh TEST_PROGS += debugfs_duplicate_context_creation.sh TEST_PROGS += sysfs.sh -TEST_PROGS += reclaim.sh +TEST_PROGS += reclaim.sh lru_sort.sh include ../lib.mk diff --git a/tools/testing/selftests/damon/lru_sort.sh b/tools/testing/selftests/damon/lru_sort.sh new file mode 100644 index 000000000000..61b80197c896 --- /dev/null +++ b/tools/testing/selftests/damon/lru_sort.sh @@ -0,0 +1,41 @@ +#!/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 $ksft_skip +fi + +damon_lru_sort_enabled="/sys/module/damon_lru_sort/parameters/enabled" +if [ ! -f "$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 |