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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>
This commit is contained in:
SeongJae Park 2025-07-12 12:50:09 -07:00 committed by Andrew Morton
parent a6c33f1054
commit cc9c1b8c20
1 changed files with 13 additions and 3 deletions
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16
samples/damon/wsse.c
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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)