diff options
| author | SeongJae Park <sj@kernel.org> | 2025-07-12 12:50:08 -0700 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-07-19 18:59:55 -0700 |
| commit | a6c33f1054e3c717ef001d292b6f0350c6388308 (patch) | |
| tree | 4daad8320919654fef500a4ef92c3993b4227d6a /samples | |
| parent | 9cc8f00e527b37f001e6003ce26108fe111ec418 (diff) | |
samples/damon/prcl: use damon_call() repeat mode instead of damon_callback
prcl uses damon_callback for periodically reading DAMON internal data.
Use its alternative, damon_call() repeat mode.
Link: https://lkml.kernel.org/r/20250712195016.151108-7-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'samples')
| -rw-r--r-- | samples/damon/prcl.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/samples/damon/prcl.c b/samples/damon/prcl.c index 8a312dba7691..25a751a67b2d 100644 --- a/samples/damon/prcl.c +++ b/samples/damon/prcl.c @@ -34,8 +34,9 @@ MODULE_PARM_DESC(enabled, "Enable or disable DAMON_SAMPLE_PRCL"); static struct damon_ctx *ctx; static struct pid *target_pidp; -static int damon_sample_prcl_after_aggregate(struct damon_ctx *c) +static int damon_sample_prcl_repeat_call_fn(void *data) { + struct damon_ctx *c = data; struct damon_target *t; damon_for_each_target(t, c) { @@ -51,10 +52,16 @@ static int damon_sample_prcl_after_aggregate(struct damon_ctx *c) return 0; } +static struct damon_call_control repeat_call_control = { + .fn = damon_sample_prcl_repeat_call_fn, + .repeat = true, +}; + static int damon_sample_prcl_start(void) { struct damon_target *target; struct damos *scheme; + int err; pr_info("start\n"); @@ -79,8 +86,6 @@ static int damon_sample_prcl_start(void) } target->pid = target_pidp; - ctx->callback.after_aggregation = damon_sample_prcl_after_aggregate; - scheme = damon_new_scheme( &(struct damos_access_pattern) { .min_sz_region = PAGE_SIZE, @@ -100,7 +105,12 @@ static int damon_sample_prcl_start(void) } damon_set_schemes(ctx, &scheme, 1); - return damon_start(&ctx, 1, true); + err = damon_start(&ctx, 1, true); + if (err) + return err; + + repeat_call_control.data = ctx; + return damon_call(ctx, &repeat_call_control); } static void damon_sample_prcl_stop(void) |