diff options
| author | SeongJae Park <sj@kernel.org> | 2025-07-12 12:50:09 -0700 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-07-19 18:59:55 -0700 |
| commit | cc9c1b8c205beda5915ce935463f15cc05ff9f49 (patch) | |
| tree | bfc19e3643c3b1c31f5952df53f98b3cc4d39a75 /samples | |
| parent | a6c33f1054e3c717ef001d292b6f0350c6388308 (diff) | |
samples/damon/wsse: use damon_call() repeat mode instead of damon_callback
wsse uses damon_callback for periodically reading DAMON internal data.
Use its alternative, damon_call() repeat mode.
Link: https://lkml.kernel.org/r/20250712195016.151108-8-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/wsse.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/samples/damon/wsse.c b/samples/damon/wsse.c index d87b3b0801d2..a250e86b24a5 100644 --- a/samples/damon/wsse.c +++ b/samples/damon/wsse.c @@ -35,8 +35,9 @@ MODULE_PARM_DESC(enabled, "Enable or disable DAMON_SAMPLE_WSSE"); static struct damon_ctx *ctx; static struct pid *target_pidp; -static int damon_sample_wsse_after_aggregate(struct damon_ctx *c) +static int damon_sample_wsse_repeat_call_fn(void *data) { + struct damon_ctx *c = data; struct damon_target *t; damon_for_each_target(t, c) { @@ -52,9 +53,15 @@ static int damon_sample_wsse_after_aggregate(struct damon_ctx *c) return 0; } +static struct damon_call_control repeat_call_control = { + .fn = damon_sample_wsse_repeat_call_fn, + .repeat = true, +}; + static int damon_sample_wsse_start(void) { struct damon_target *target; + int err; pr_info("start\n"); @@ -79,8 +86,11 @@ static int damon_sample_wsse_start(void) } target->pid = target_pidp; - ctx->callback.after_aggregation = damon_sample_wsse_after_aggregate; - 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_wsse_stop(void) |