The quilt patch titled Subject: selftests/damon: add tests for DAMON_LRU_SORT's enabled parameter has been removed from the -mm tree. Its filename was selftests-damon-add-tests-for-damon_lru_sorts-enabled-parameter.patch This patch was dropped because it was merged into the mm-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: SeongJae Park <sj@xxxxxxxxxx> Subject: selftests/damon: add tests for DAMON_LRU_SORT's enabled parameter Date: Tue, 25 Oct 2022 17:36:50 +0000 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@xxxxxxxxxx Signed-off-by: SeongJae Park <sj@xxxxxxxxxx> Cc: Shuah Khan <shuah@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- tools/testing/selftests/damon/Makefile | 2 tools/testing/selftests/damon/lru_sort.sh | 41 ++++++++++++++++++++ 2 files changed, 42 insertions(+), 1 deletion(-) --- /dev/null +++ a/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 --- a/tools/testing/selftests/damon/Makefile~selftests-damon-add-tests-for-damon_lru_sorts-enabled-parameter +++ a/tools/testing/selftests/damon/Makefile @@ -8,6 +8,6 @@ TEST_PROGS = debugfs_attrs.sh debugfs_sc 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 _ Patches currently in -mm which might be from sj@xxxxxxxxxx are docs-admin-guide-mm-damon-usage-describe-the-rules-of-sysfs-region-directories.patch docs-admin-guide-mm-damon-usage-fix-wrong-usage-example-of-init_regions-file.patch mm-damon-core-add-a-callback-for-scheme-target-regions-check.patch mm-damon-sysfs-schemes-implement-schemes-tried_regions-directory.patch mm-damon-sysfs-schemes-implement-scheme-region-directory.patch mm-damon-sysfs-implement-damos-tried-regions-update-command.patch mm-damon-sysfs-schemes-implement-damos-tried-regions-clear-command.patch tools-selftets-damon-sysfs-test-tried_regions-directory-existence.patch docs-admin-guide-mm-damon-usage-document-schemes-s-tried_regions-sysfs-directory.patch docs-abi-damon-document-schemes-s-tried_regions-sysfs-directory.patch selftests-damon-test-non-context-inputs-to-rm_contexts-file.patch