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feat: enhance profiling with tick-based timing management and zero-padding for skipped frames

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This commit is contained in:
Ryan Walters
2025-09-05 18:45:43 -05:00
parent a38423f006
commit 42e309a46b
5 changed files with 182 additions and 83 deletions
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35
tests/profiling.rs
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@@ -22,18 +22,18 @@ macro_rules! assert_close {
fn test_timing_statistics() {
let timings = SystemTimings::default();
// 10ms average, 2ms std dev
timings.add_timing(SystemId::PlayerControls, Duration::from_millis(10));
timings.add_timing(SystemId::PlayerControls, Duration::from_millis(12));
timings.add_timing(SystemId::PlayerControls, Duration::from_millis(8));
// Add consecutive timing measurements (no skipped ticks to avoid zero padding)
timings.add_timing(SystemId::PlayerControls, Duration::from_millis(10), 1);
timings.add_timing(SystemId::PlayerControls, Duration::from_millis(12), 2);
timings.add_timing(SystemId::PlayerControls, Duration::from_millis(8), 3);
// 2ms average, 1ms std dev
timings.add_timing(SystemId::Blinking, Duration::from_millis(3));
timings.add_timing(SystemId::Blinking, Duration::from_millis(2));
timings.add_timing(SystemId::Blinking, Duration::from_millis(1));
// Add consecutive timing measurements for another system
timings.add_timing(SystemId::Blinking, Duration::from_millis(3), 1);
timings.add_timing(SystemId::Blinking, Duration::from_millis(2), 2);
timings.add_timing(SystemId::Blinking, Duration::from_millis(1), 3);
{
let stats = timings.get_stats();
let stats = timings.get_stats(3);
let (avg, std_dev) = stats.get(&SystemId::PlayerControls).unwrap();
assert_close!(*avg, Duration::from_millis(10), "PlayerControls average timing");
@@ -49,9 +49,9 @@ fn test_default_zero_timing_for_unused_systems() {
let timings = SystemTimings::default();
// Add timing data for only one system
timings.add_timing(SystemId::PlayerControls, Duration::from_millis(5));
timings.add_timing(SystemId::PlayerControls, Duration::from_millis(5), 1);
let stats = timings.get_stats();
let stats = timings.get_stats(1);
// Verify all SystemId variants are present in the stats
let expected_count = SystemId::iter().count();
@@ -86,12 +86,13 @@ fn test_pre_populated_timing_entries() {
// Verify that we can add timing to any SystemId without panicking
// (this would fail with the old implementation if the entry didn't exist)
// Use the same tick for all systems to avoid zero-padding
for id in SystemId::iter() {
timings.add_timing(id, Duration::from_nanos(1));
timings.add_timing(id, Duration::from_nanos(1), 1);
}
// Verify all systems now have non-zero timing
let stats = timings.get_stats();
let stats = timings.get_stats(1);
for id in SystemId::iter() {
let (avg, _) = stats.get(&id).unwrap();
assert!(
@@ -107,11 +108,11 @@ fn test_total_system_timing() {
let timings = SystemTimings::default();
// Add some timing data to the Total system
timings.add_total_timing(Duration::from_millis(16));
timings.add_total_timing(Duration::from_millis(18));
timings.add_total_timing(Duration::from_millis(14));
timings.add_total_timing(Duration::from_millis(16), 1);
timings.add_total_timing(Duration::from_millis(18), 2);
timings.add_total_timing(Duration::from_millis(14), 3);
let stats = timings.get_stats();
let stats = timings.get_stats(3);
let (avg, std_dev) = stats.get(&SystemId::Total).unwrap();
// Should have 16ms average (16+18+14)/3 = 16ms