| 1 | use criterion::{black_box, criterion_group, criterion_main, Criterion}; |
| 2 | use tracing::{span, Level}; |
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| 3 | |
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| 4 | mod shared; |
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| 5 | |
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| 6 | fn bench(c: &mut Criterion) { |
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| 7 | shared::for_all_recording(&mut c.benchmark_group("span_repeated" ), |b| { |
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| 8 | let n = black_box(N_SPANS); |
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| 9 | b.iter(|| (0..n).fold(mk_span(0), |_, i| mk_span(i as u64))) |
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| 10 | }); |
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| 11 | } |
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| 12 | |
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| 13 | #[inline ] |
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| 14 | fn mk_span(i: u64) -> tracing::Span { |
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| 15 | span!(Level::TRACE, "span" , i = i) |
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| 16 | } |
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| 17 | |
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| 18 | const N_SPANS: usize = 100; |
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| 19 | criterion_group!(benches, bench); |
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| 20 | criterion_main!(benches); |
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| 21 | |
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