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// Copyright 2025 The Prometheus Authors
// 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,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package otlptranslator
import (
"fmt"
"testing"
)
var benchmarkInputs = []struct {
name string
metricName string
unit string
metricType MetricType
}{
{
name: "simple_metric",
metricName: "http_requests",
unit: "",
metricType: MetricTypeGauge,
},
{
name: "compound_unit",
metricName: "request_throughput",
unit: "By/s",
metricType: MetricTypeMonotonicCounter,
},
{
name: "complex_unit",
metricName: "disk_usage",
unit: "KiBy/m",
metricType: MetricTypeGauge,
},
{
name: "ratio_metric",
metricName: "cpu_utilization",
unit: "1",
metricType: MetricTypeGauge,
},
{
name: "metric_with_dots",
metricName: "system.cpu.usage.idle",
unit: "%",
metricType: MetricTypeGauge,
},
{
name: "metric_with_unicode",
metricName: "メモリ使用率",
unit: "By",
metricType: MetricTypeGauge,
},
{
name: "metric_with_special_chars",
metricName: "error-rate@host{instance}/service#component",
unit: "ms",
metricType: MetricTypeMonotonicCounter,
},
{
name: "metric_with_multiple_slashes",
metricName: "network/throughput/total",
unit: "By/s/min",
metricType: MetricTypeGauge,
},
{
name: "metric_with_spaces",
metricName: "api response time total",
unit: "ms",
metricType: MetricTypeMonotonicCounter,
},
{
name: "metric_with_curly_braces",
metricName: "custom_{tag}_metric",
unit: "{custom}/s",
metricType: MetricTypeGauge,
},
{
name: "metric_starting_with_digit",
metricName: "5xx_error_count",
unit: "1",
metricType: MetricTypeMonotonicCounter,
},
{
name: "empty_metric",
metricName: "",
unit: "",
metricType: MetricTypeGauge,
},
{
name: "metric_with_SI_units",
metricName: "power_consumption",
unit: "W",
metricType: MetricTypeGauge,
},
{
name: "metric_with_temperature",
metricName: "server_temperature",
unit: "Cel",
metricType: MetricTypeGauge,
},
}
func BenchmarkBuildMetricName(b *testing.B) {
for _, addSuffixes := range []bool{true, false} {
b.Run(fmt.Sprintf("with_metric_suffixes=%t", addSuffixes), func(b *testing.B) {
for _, input := range benchmarkInputs {
for i := 0; i < b.N; i++ {
BuildMetricName(input.metricName, input.unit, input.metricType, addSuffixes)
}
}
})
}
}
func BenchmarkBuildCompliantMetricName(b *testing.B) {
for _, addSuffixes := range []bool{true, false} {
b.Run(fmt.Sprintf("with_metric_suffixes=%t", addSuffixes), func(b *testing.B) {
for _, input := range benchmarkInputs {
for i := 0; i < b.N; i++ {
BuildCompliantMetricName(input.metricName, input.unit, input.metricType, addSuffixes)
}
}
})
}
}
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