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Detect and warn slow Debug implementations for Message

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Héctor Ramón Jiménez 2025-04-07 20:02:39 +02:00
parent 08f1133a03
commit dd6c99e1a4
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3 changed files with 11 additions and 0 deletions
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9
debug/src/lib.rs
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@ -135,7 +135,16 @@ mod internal {
pub fn update(message: &impl std::fmt::Debug) -> Span {
let span = span(span::Stage::Update);
let start = Instant::now();
let message = format!("{message:?}");
let elapsed = start.elapsed();
if elapsed.as_millis() >= 1 {
log::warn!(
"Slow `Debug` implementation of `Message` (took {elapsed:?})!"
);
}
BEACON.log(client::Event::MessageLogged(if message.len() > 49 {
format!("{}...", &message[..49])