42 lines
830 B
Go
42 lines
830 B
Go
package metrics_test
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import (
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"fmt"
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"github.com/VictoriaMetrics/metrics"
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)
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func ExampleCounter() {
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// Define a counter in global scope.
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var c = metrics.NewCounter(`metric_total{label1="value1", label2="value2"}`)
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// Increment the counter when needed.
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for i := 0; i < 10; i++ {
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c.Inc()
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}
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n := c.Get()
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fmt.Println(n)
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// Output:
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// 10
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}
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func ExampleCounter_vec() {
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for i := 0; i < 3; i++ {
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// Dynamically construct metric name and pass it to GetOrCreateCounter.
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name := fmt.Sprintf(`metric_total{label1=%q, label2="%d"}`, "value1", i)
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metrics.GetOrCreateCounter(name).Add(i + 1)
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}
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// Read counter values.
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for i := 0; i < 3; i++ {
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name := fmt.Sprintf(`metric_total{label1=%q, label2="%d"}`, "value1", i)
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n := metrics.GetOrCreateCounter(name).Get()
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fmt.Println(n)
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}
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// Output:
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// 1
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// 2
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// 3
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}
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