f04b0fedbe
Implement the DAMON sampling and aggregation intervals auto-tuning mechanism as briefly described on 'struct damon_intervals_goal'. The core part for deciding the direction and amount of the changes is implemented reusing the feedback loop function which is being used for DAMOS quotas auto-tuning. Unlike the DAMOS quotas auto-tuning use case, limit the maximum decreasing amount after the adjustment to 50% of the current value, though. This is because the intervals have no good merits at rapid reductions since it could unnecessarily increase the monitoring overhead. Link: https://lkml.kernel.org/r/20250303221726.484227-3-sj@kernel.org Signed-off-by: SeongJae Park <sj@kernel.org> Cc: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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