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// Copyright 2016 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.
use criterion::{criterion_group, criterion_main, Criterion};
use prometheus::{Gauge, GaugeVec, IntGauge, Opts};
fn bench_gauge_with_label_values(c: &mut Criterion) {
let gauge = GaugeVec::new(
Opts::new("benchmark_gauge", "A gauge to benchmark it."),
&["one", "two", "three"],
)
.unwrap();
c.bench_function("gauge_with_label_values", |b| {
b.iter(|| gauge.with_label_values(&["eins", "zwei", "drei"]).inc())
});
}
fn bench_gauge_no_labels(c: &mut Criterion) {
let gauge = Gauge::new("benchmark_gauge", "A gauge to benchmark.").unwrap();
c.bench_function("gauge_no_labels", |b| b.iter(|| gauge.inc()));
}
fn bench_int_gauge_no_labels(c: &mut Criterion) {
let gauge = IntGauge::new("benchmark_int_gauge", "A int_gauge to benchmark.").unwrap();
c.bench_function("int_gauge_no_labels", |b| b.iter(|| gauge.inc()));
}
criterion_group!(
benches,
bench_gauge_with_label_values,
bench_gauge_no_labels,
bench_int_gauge_no_labels,
);
criterion_main!(benches);
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