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2025-07-26selftests/damon/sysfs.py: test runtime reduction of DAMON parametersSeongJae Park1-0/+14
sysfs.py is testing if non-default additional parameters can be committed. Add a test case for further reducing the parameters to the default set. Link: https://lkml.kernel.org/r/20250720171652.92309-23-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>
2025-07-26selftests/damon/sysfs.py: test non-default parameters runtime commitSeongJae Park1-0/+53
sysfs.py is testing only the default and minimum DAMON parameters. Add another test case for more non-default additional DAMON parameters commitment on runtime. Link: https://lkml.kernel.org/r/20250720171652.92309-22-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>
2025-07-26selftests/damon/sysfs.py: generalize DAMON context commit assertionSeongJae Park1-12/+16
DAMON context commitment assertion is hard-coded for a specific test case. Split it out into a general version that can be reused for different test cases. Link: https://lkml.kernel.org/r/20250720171652.92309-21-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>
2025-07-26selftests/damon/sysfs.py: generalize monitoring attributes commit assertionSeongJae Park1-17/+25
DAMON monitoring attributes commitment assertion is hard-coded for a specific test case. Split it out into a general version that can be reused for different test cases. Link: https://lkml.kernel.org/r/20250720171652.92309-20-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>
2025-07-26selftests/damon/sysfs.py: generalize DAMOS schemes commit assertionSeongJae Park1-4/+6
DAMOS schemes commitment assertion is hard-coded for a specific test case. Split it out into a general version that can be reused for different test cases. Link: https://lkml.kernel.org/r/20250720171652.92309-19-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>
2025-07-26selftests/damon/sysfs.py: test DAMOS filters commitmentSeongJae Park1-0/+20
Current DAMOS scheme commitment assertion is not testing DAMOS filters. Add the test. Link: https://lkml.kernel.org/r/20250720171652.92309-18-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>
2025-07-26selftests/damon/sysfs.py: generalize DAMOS scheme commit assertionSeongJae Park1-22/+37
DAMOS scheme commitment assertion is hard-coded for a specific test case. Split it out into a general version that can be reused for different test cases. Link: https://lkml.kernel.org/r/20250720171652.92309-17-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>
2025-07-26selftests/damon/sysfs.py: test DAMOS destinations commitmentSeongJae Park1-8/+9
Current DAMOS commitment assertion is not testing quota destinations commitment. Add the test. Link: https://lkml.kernel.org/r/20250720171652.92309-16-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>
2025-07-26selftests/damon/sysfs.py: test quota goal commitmentSeongJae Park1-1/+17
Current DAMOS quota commitment assertion is not testing quota goal commitment. Add the test. Link: https://lkml.kernel.org/r/20250720171652.92309-15-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>
2025-07-26selftests/damon/sysfs.py: generalize DamosQuota commit assertionSeongJae Park1-11/+20
DamosQuota commitment assertion is hard-coded for a specific test case. Split it out into a general version that can be reused for different test cases. Link: https://lkml.kernel.org/r/20250720171652.92309-14-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>
2025-07-26selftests/damon/sysfs.py: generalize DAMOS Watermarks commit assertionSeongJae Park1-8/+18
DamosWatermarks commitment assertion is hard-coded for a specific test case. Split it out into a general version that can be reused for different test cases. Link: https://lkml.kernel.org/r/20250720171652.92309-13-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>
2025-07-26selftests/damon/sysfs.py: stop DAMON for dumping failuresSeongJae Park1-0/+5
Commit 4ece01897627 ("selftests/damon: add python and drgn-based DAMON sysfs test") in mm-stable tree introduced sysfs.py that runs drgn for dumping DAMON status. When the DAMON status dumping fails for reasons including drgn uninstalled environment, the test fails without stopping DAMON. Following DAMON selftests that assumes DAMON is not running when they executed therefore fail. Catch dumping failures and stop DAMON for that case. Link: https://lkml.kernel.org/r/20250722060330.56068-1-sj@kernel.org Fixes: 4ece01897627 ("selftests/damon: add python and drgn-based DAMON sysfs test") Signed-off-by: SeongJae Park <sj@kernel.org> Reported-by: kernel test robot <oliver.sang@intel.com> Closes: https://lore.kernel.org/oe-lkp/202507220707.9c5d6247-lkp@intel.com Cc: Shuah Khan <shuah@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-07-13selftests/damon/sysfs.py: test DAMOS schemes parameters setupSeongJae Park1-3/+43
Add DAMON sysfs interface functionality tests for basic DAMOS schemes parameters setup. Link: https://lkml.kernel.org/r/20250628160428.53115-7-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>
2025-07-13selftests/damon/sysfs.py: test adaptive targets parameterSeongJae Park1-3/+6
Add DAMON sysfs interface functionality tests for setup of basic adaptive targets parameters. Link: https://lkml.kernel.org/r/20250628160428.53115-6-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>
2025-07-13selftests/damon/sysfs.py: test monitoring attribute parametersSeongJae Park1-2/+32
Add DAMON sysfs interface functionality tests for DAMON monitoring attribute parameters, including intervals, intervals tuning goals, and min/max number of regions. Link: https://lkml.kernel.org/r/20250628160428.53115-5-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>
2025-07-13selftests/damon: add python and drgn-based DAMON sysfs testSeongJae Park1-0/+42
Add a python-written DAMON sysfs functionality selftest. It sets DAMON parameters using Python module _damon_sysfs, reads updated kernel internal DAMON status and parameters using a 'drgn' script, namely drgn_dump_damon_status.py, and compare if the resulted DAMON internal status is as expected. The test is very minimum at the moment. Link: https://lkml.kernel.org/r/20250628160428.53115-4-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>
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