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fd2f556c |
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21-Feb-2024 |
Vincenzo Mezzela <vincenzo.mezzela@gmail.com> |
selftest: damon: fix minor typos in test logs Patch series "selftests/damon: misc fixes". Misc fixes for DAMON selftets on behalf of the original authors. This patch (of 2): This patch resolves a spelling error in the test log, preventing potential confusion. It is submitted as part of my application to the "Linux Kernel Bug Fixing Spring Unpaid 2024" mentorship program of the Linux Foundation. Link: https://lore.kernel.org/r/20240204122523.14160-1-vincenzo.mezzela@gmail.com Link: https://lkml.kernel.org/r/20240221211148.46522-2-sj@kernel.org Signed-off-by: Vincenzo Mezzela <vincenzo.mezzela@gmail.com> Signed-off-by: SeongJae Park <sj@kernel.org> Reviewed-by: SeongJae Park <sj@kernel.org> Cc: Bernd Edlinger <bernd.edlinger@hotmail.de> Cc: Javier Carrasco <javier.carrasco.cruz@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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b5906f5f |
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12-Dec-2023 |
SeongJae Park <sj@kernel.org> |
selftests/damon: add a test for update_schemes_tried_regions sysfs command Add a selftest for verifying the accuracy of DAMON's access monitoring functionality. The test starts a program of artificial access pattern, monitor the access pattern using DAMON, and check if DAMON finds expected amount of hot data region (working set size) with only acceptable error rate. Note that the acceptable error rate is set with only naive assumptions and small number of tests. Hence failures of the test may not always mean DAMON is broken. Rather than that, those could be a signal to better understand the real accuracy level of DAMON in wider environments. Based on further finding, we could optimize DAMON or adjust the expectation of the test. Link: https://lkml.kernel.org/r/20231212194810.54457-5-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>
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