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use criterion::{black_box, 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_repeated"), |b| {
let n = black_box(N_SPANS);
b.iter(|| (0..n).fold(mk_span(0), |_, i| mk_span(i as u64)))
});
}
#[inline]
fn mk_span(i: u64) -> tracing::Span {
span!(Level::TRACE, "span", i = i)
}
const N_SPANS: usize = 100;
criterion_group!(benches, bench);
criterion_main!(benches);
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