use criterion::{criterion_group, criterion_main, Criterion}; use tracing::{span, Level}; mod shared; fn bench(c: &mut Criterion) { shared::for_all_recording(&mut c.benchmark_group("span_fields"), |b| { b.iter(|| { let span = span!( Level::TRACE, "span", foo = "foo", bar = "bar", baz = 3, quuux = tracing::field::debug(0.99) ); criterion::black_box(span) }) }); } criterion_group!(benches, bench); criterion_main!(benches);