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clutter/frame-clock: Log by how much a missed frame was off the target

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v2:
* Tweak coding style to address check-c-code-style CI job failure.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/4282>
This commit is contained in:
Michel Dänzer 2025-02-15 17:14:37 +01:00 committed by Marge Bot
parent a5d2eeaa9f
commit e105533730
1 changed files with 23 additions and 0 deletions
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23
clutter/clutter/clutter-frame-clock.c
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@ -556,6 +556,29 @@ clutter_frame_clock_notify_presented (ClutterFrameClock *frame_clock,
presented_frame->dispatch_lateness_us); presented_frame->dispatch_lateness_us);
} }
if (G_UNLIKELY (CLUTTER_HAS_DEBUG (FRAME_TIMINGS)) &&
frame_info->target_presentation_time > 0 &&
frame_info->presentation_time > 0)
{
int64_t diff_us;
int n_missed_cycles;
diff_us =
frame_info->presentation_time - frame_info->target_presentation_time;
n_missed_cycles = (int) roundf ((float) llabs (diff_us) /
(float) frame_clock->refresh_interval_us);
if (n_missed_cycles)
{
CLUTTER_NOTE (FRAME_TIMINGS,
"Frame presented %" G_GINT64_FORMAT "µs "
"(%d refresh cycle%s) %s",
(int64_t)llabs (diff_us), n_missed_cycles,
n_missed_cycles > 1 ? "s" : "",
diff_us > 0 ? "late" : "early");
}
}
if (frame_info->refresh_rate > 1.0) if (frame_info->refresh_rate > 1.0)
{ {
clutter_frame_clock_set_refresh_rate (frame_clock, clutter_frame_clock_set_refresh_rate (frame_clock,