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Tracing chrome span names (#979)

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* Update tracing-chrome to 0.3.0

* bevy_log: Add fields to span names for tracing-chrome

* Conditionally import tracing_subscriber modules based on feature
This commit is contained in:
Robert Swain 2020-12-03 01:14:02 +01:00 committed by GitHub
parent c097af49f3
commit 59010caff5
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 17 additions and 2 deletions
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2
crates/bevy_log/Cargo.toml
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@ -18,7 +18,7 @@ bevy_app = { path = "../bevy_app", version = "0.3.0" }
bevy_utils = { path = "../bevy_utils", version = "0.3.0" }
tracing-subscriber = {version = "0.2.15", features = ["registry"]}
tracing-chrome = { version = "0.2.0", optional = true }
tracing-chrome = { version = "0.3.0", optional = true }
[target.'cfg(target_os = "android")'.dependencies]
android_log-sys = "0.2.0"

17
crates/bevy_log/src/lib.rs
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@ -12,6 +12,8 @@ pub use bevy_utils::tracing::{
};
use bevy_app::{AppBuilder, Plugin};
#[cfg(feature = "tracing-chrome")]
use tracing_subscriber::fmt::{format::DefaultFields, FormattedFields};
use tracing_subscriber::{prelude::*, registry::Registry, EnvFilter};
/// Adds logging to Apps.
@ -55,7 +57,20 @@ impl Plugin for LogPlugin {
let subscriber = subscriber.with(fmt_layer);
#[cfg(feature = "tracing-chrome")]
{
let (chrome_layer, guard) = tracing_chrome::ChromeLayerBuilder::new().build();
let (chrome_layer, guard) = tracing_chrome::ChromeLayerBuilder::new()
.name_fn(Box::new(|event_or_span| match event_or_span {
tracing_chrome::EventOrSpan::Event(event) => event.metadata().name().into(),
tracing_chrome::EventOrSpan::Span(span) => {
if let Some(fields) =
span.extensions().get::<FormattedFields<DefaultFields>>()
{
format!("{}: {}", span.metadata().name(), fields.fields.as_str())
} else {
span.metadata().name().into()
}
}
}))
.build();
app.resources_mut().insert_thread_local(guard);
let subscriber = subscriber.with(chrome_layer);
bevy_utils::tracing::subscriber::set_global_default(subscriber)