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kms.timings.presented: print debug msg when frame time is overflowing

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Also see: #1062
This commit is contained in:
Clayton Craft 2025-03-19 09:47:47 -07:00 • committed by Victoria Brekenfeld
parent 8f40fc7a1b
commit 29a649541d
1 changed files with 10 additions and 3 deletions
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13
src/backend/kms/surface/timings.rs
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@ -1,7 +1,7 @@
use std::{collections::VecDeque, num::NonZeroU64, time::Duration}; use std::{collections::VecDeque, num::NonZeroU64, time::Duration};
use smithay::utils::{Clock, Monotonic, Time}; use smithay::utils::{Clock, Monotonic, Time};
use tracing::error; use tracing::{debug, error};
const FRAME_TIME_BUFFER: Duration = Duration::from_millis(1); const FRAME_TIME_BUFFER: Duration = Duration::from_millis(1);
const FRAME_TIME_WINDOW: usize = 3; const FRAME_TIME_WINDOW: usize = 3;
@ -138,13 +138,20 @@ impl Timings {
pub fn presented(&mut self, value: Time<Monotonic>) { pub fn presented(&mut self, value: Time<Monotonic>) {
if let Some(frame) = self.pending_frame.take() { if let Some(frame) = self.pending_frame.take() {
self.previous_frames.push_back(Frame { let new_frame = Frame {
render_start: frame.render_start, render_start: frame.render_start,
render_duration_elements: frame.render_duration_elements.unwrap_or_default(), render_duration_elements: frame.render_duration_elements.unwrap_or_default(),
render_duration_draw: frame.render_duration_draw.unwrap_or_default(), render_duration_draw: frame.render_duration_draw.unwrap_or_default(),
presentation_submitted: frame.presentation_submitted.unwrap(), presentation_submitted: frame.presentation_submitted.unwrap(),
presentation_presented: value, presentation_presented: value,
}); };
if new_frame.render_start > new_frame.presentation_submitted {
debug!(
"frame time overflowed: {}",
new_frame.frame_time().as_millis()
);
}
self.previous_frames.push_back(new_frame);
while self.previous_frames.len() > Self::WINDOW_SIZE { while self.previous_frames.len() > Self::WINDOW_SIZE {
self.previous_frames.pop_front(); self.previous_frames.pop_front();
} }