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samples/damon/wsse: use damon_call() repeat mode instead of damon_callback

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wsse uses damon_callback for periodically reading DAMON internal data. 
Use its alternative, damon_call() repeat mode.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: SeongJae Park <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
This commit is contained in:
SeongJae Park authored and Andrew Morton committed 2025-07-19 18:59:55 -07:00
1 parent a6c33f1054
commit cc9c1b8c20
1 file changed
+13 -3
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samples/damon/wsse.c
+13 -3
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@@ -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)