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| author | SeongJae Park <sj@kernel.org> | 2026-05-19 02:40:55 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2026-06-03 01:22:26 +0300 |
| commit | 9b1f8c8d015bc92cab358f1395ee053fd01d7b89 (patch) | |
| tree | f50bb9eb1cbce1558877c34feedfa9c2575c178e | |
| parent | 1a9e847589180359be4198c7d2a3d2ea15b2ddd0 (diff) | |
| download | linux-9b1f8c8d015bc92cab358f1395ee053fd01d7b89.tar.xz | |
mm/damon/core: do data attributes monitoring
Implement the data attributes monitoring execution. Update kdamond to
invoke the probes application callback, and reset the aggregated number of
per-region per-probe positive samples for every aggregation interval.
Link: https://lore.kernel.org/20260518234119.97569-8-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: David Hildenbrand <david@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Liam R. Howlett <liam@infradead.org>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | mm/damon/core.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/mm/damon/core.c b/mm/damon/core.c index 0f6b3b66d1de..500e8b08d441 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -1910,10 +1910,14 @@ static void kdamond_reset_aggregated(struct damon_ctx *c) struct damon_region *r; damon_for_each_region(r, t) { + int i; + trace_damon_aggregated(ti, r, damon_nr_regions(t)); damon_warn_fix_nr_accesses_corruption(r); r->last_nr_accesses = r->nr_accesses; r->nr_accesses = 0; + for (i = 0; i < DAMON_MAX_PROBES; i++) + r->probe_hits[i] = 0; damon_verify_reset_aggregated(r, c); } ti++; @@ -3407,6 +3411,8 @@ static int kdamond_fn(void *data) if (ctx->ops.check_accesses) max_nr_accesses = ctx->ops.check_accesses(ctx); + if (ctx->ops.apply_probes) + ctx->ops.apply_probes(ctx); if (time_after_eq(ctx->passed_sample_intervals, next_aggregation_sis)) { |