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Merge pull request #54 from unistack-org/optimization

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use newMetric helper in all places
This commit is contained in:
Василий Толстов 2022-03-13 11:25:46 +03:00 committed by GitHub
commit 9afed0bfb0
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1 changed files with 28 additions and 49 deletions
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77
prometheus.go
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@ -87,9 +87,8 @@ func (m *prometheusMeter) buildMetric(name string, labels ...string) string {
return meter.BuildName(name, nlabels...)
}
for idx := 0; idx < nl; idx++ {
for idx := 0; idx < nl; idx += 2 {
nlabels[idx] = m.opts.LabelPrefix + nlabels[idx]
idx++
}
return meter.BuildName(name, nlabels...)
}
@ -109,10 +108,9 @@ func (m *prometheusMeter) buildLabels(labels ...string) []string {
nlabels := make([]string, 0, nl)
for idx := 0; idx < nl; idx++ {
for idx := 0; idx < nl; idx += 2 {
nlabels = append(nlabels, m.opts.LabelPrefix+labels[idx])
nlabels = append(nlabels, labels[idx+1])
idx++
}
return nlabels
}
@ -304,15 +302,9 @@ func (m *prometheusMeter) Write(w io.Writer, opts ...meter.Option) error {
Metric: make([]*dto.Metric, 0, len(metrics.cs)),
}
for _, c := range metrics.cs {
m := &dto.Metric{Label: make([]*dto.LabelPair, 0, len(c.labels)/2)}
c.c.Write(m)
for idx := 0; idx < len(c.labels); idx++ {
m.Label = append(m.Label, &dto.LabelPair{
Name: &c.labels[idx],
Value: &c.labels[idx+1],
})
idx++
}
m := &dto.Metric{}
_ = c.c.Write(m)
fillMetric(m, c.labels)
mf.Metric = append(mf.Metric, m)
}
mfs = append(mfs, mf)
@ -325,15 +317,9 @@ func (m *prometheusMeter) Write(w io.Writer, opts ...meter.Option) error {
Metric: make([]*dto.Metric, 0, len(metrics.cs)),
}
for _, c := range metrics.cs {
m := &dto.Metric{Label: make([]*dto.LabelPair, 0, len(c.labels)/2)}
c.c.Write(m)
for idx := 0; idx < len(c.labels); idx++ {
m.Label = append(m.Label, &dto.LabelPair{
Name: &c.labels[idx],
Value: &c.labels[idx+1],
})
idx++
}
m := &dto.Metric{}
_ = c.c.Write(m)
fillMetric(m, c.labels)
mf.Metric = append(mf.Metric, m)
}
mfs = append(mfs, mf)
@ -346,15 +332,9 @@ func (m *prometheusMeter) Write(w io.Writer, opts ...meter.Option) error {
Metric: make([]*dto.Metric, 0, len(metrics.cs)),
}
for _, c := range metrics.cs {
m := &dto.Metric{Label: make([]*dto.LabelPair, 0, len(c.labels)/2)}
c.c.Write(m)
for idx := 0; idx < len(c.labels); idx++ {
m.Label = append(m.Label, &dto.LabelPair{
Name: &c.labels[idx],
Value: &c.labels[idx+1],
})
idx++
}
m := &dto.Metric{}
_ = c.c.Write(m)
fillMetric(m, c.labels)
mf.Metric = append(mf.Metric, m)
}
mfs = append(mfs, mf)
@ -367,15 +347,9 @@ func (m *prometheusMeter) Write(w io.Writer, opts ...meter.Option) error {
Metric: make([]*dto.Metric, 0, len(metrics.cs)),
}
for _, c := range metrics.cs {
m := &dto.Metric{Label: make([]*dto.LabelPair, 0, len(c.labels)/2)}
c.c.Write(m)
for idx := 0; idx < len(c.labels); idx++ {
m.Label = append(m.Label, &dto.LabelPair{
Name: &c.labels[idx],
Value: &c.labels[idx+1],
})
idx++
}
m := &dto.Metric{}
_ = c.c.Write(m)
fillMetric(m, c.labels)
mf.Metric = append(mf.Metric, m)
}
mfs = append(mfs, mf)
@ -388,15 +362,9 @@ func (m *prometheusMeter) Write(w io.Writer, opts ...meter.Option) error {
Metric: make([]*dto.Metric, 0, len(metrics.cs)),
}
for _, c := range metrics.cs {
m := &dto.Metric{Label: make([]*dto.LabelPair, 0, len(c.labels)/2)}
c.c.Write(m)
for idx := 0; idx < len(c.labels); idx++ {
m.Label = append(m.Label, &dto.LabelPair{
Name: &c.labels[idx],
Value: &c.labels[idx+1],
})
idx++
}
m := &dto.Metric{}
_ = c.c.Write(m)
fillMetric(m, c.labels)
mf.Metric = append(mf.Metric, m)
}
mfs = append(mfs, mf)
@ -550,3 +518,14 @@ func newHash(labels []string) uint64 {
}
return h.Sum64()
}
func fillMetric(m *dto.Metric, labels []string) *dto.Metric {
m.Label = make([]*dto.LabelPair, 0, len(labels)/2)
for idx := 0; idx < len(labels); idx += 2 {
m.Label = append(m.Label, &dto.LabelPair{
Name: newString(labels[idx]),
Value: newString(labels[idx+1]),
})
}
return m
}