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experimental race free labels

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Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
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Василий Толстов 2024-11-07 16:49:16 +03:00
parent dd71d9ec59
commit 8c4a73ddfa
1 changed files with 6 additions and 4 deletions
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10
prometheus.go
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@ -328,11 +328,13 @@ func (m *prometheusMeter) Set(opts ...meter.Option) meter.Meter {
} }
func labelMetric(labels []string) []*dto.LabelPair { func labelMetric(labels []string) []*dto.LabelPair {
dtoLabels := make([]*dto.LabelPair, 0, len(labels)/2) nl := make([]string, len(labels))
for idx := 0; idx < len(labels); idx += 2 { copy(nl, labels)
dtoLabels := make([]*dto.LabelPair, 0, len(nl)/2)
for idx := 0; idx < len(nl); idx += 2 {
dtoLabels = append(dtoLabels, &dto.LabelPair{ dtoLabels = append(dtoLabels, &dto.LabelPair{
Name: &(labels[idx]), Name: &(nl[idx]),
Value: &(labels[idx+1]), Value: &(nl[idx+1]),
}) })
} }
return dtoLabels return dtoLabels