async_llm/utils.rs
#[cfg(feature = "tracing")]
pub fn init_tracing() {
use tracing_subscriber::{fmt, prelude::*, EnvFilter, Registry};
tracing_log::LogTracer::init().expect("Failed to set up LogTracer");
let subscriber = Registry::default()
.with(EnvFilter::try_from_default_env().unwrap_or_else(|_| EnvFilter::new("info")))
.with(
fmt::layer()
.compact()
.with_file(true)
.with_line_number(true)
.with_target(false),
);
tracing::subscriber::set_global_default(subscriber).expect("Failed to set up subscriber")
}