UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

selftests/damon: add tests for DAMON_RECLAIM's enabled parameter 

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>
This commit is contained in:
SeongJae Park 2022-10-25 17:36:48 +00:00 committed by Andrew Morton
parent 04e98764be
commit 4cc0ee7787
2 changed files with 43 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
tools/testing/selftests/damon/Makefile
View File

@ -8,5 +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
include ../lib.mk

42
tools/testing/selftests/damon/reclaim.sh Normal file
View File

@ -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