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metrics: add handler performance metrics (#22581)

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This commit is contained in:
Daniel Liu 2024-12-13 14:00:12 +08:00
parent ec0ae4965d
commit 5e9cb5d758
1 changed files with 9 additions and 0 deletions
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9
metrics/histogram.go
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@ -26,6 +26,15 @@ func GetOrRegisterHistogram(name string, r Registry, s Sample) Histogram {
return r.GetOrRegister(name, func() Histogram { return NewHistogram(s) }).(Histogram) return r.GetOrRegister(name, func() Histogram { return NewHistogram(s) }).(Histogram)
} }
// GetOrRegisterHistogramLazy returns an existing Histogram or constructs and
// registers a new StandardHistogram.
func GetOrRegisterHistogramLazy(name string, r Registry, s func() Sample) Histogram {
if nil == r {
r = DefaultRegistry
}
return r.GetOrRegister(name, func() Histogram { return NewHistogram(s()) }).(Histogram)
}
// NewHistogram constructs a new StandardHistogram from a Sample. // NewHistogram constructs a new StandardHistogram from a Sample.
func NewHistogram(s Sample) Histogram { func NewHistogram(s Sample) Histogram {
if !Enabled { if !Enabled {