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Support floats in statsd percentiles (#5572)

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This commit is contained in:
Pitxyoki
2019-07-10 00:50:20 +01:00
committed by Daniel Nelson
parent 70e2ccce75
commit 72c2ac9648
6 changed files with 45 additions and 15 deletions
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12
plugins/inputs/statsd/running_stats.go
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@@ -99,7 +99,7 @@ func (rs *RunningStats) Count() int64 {
return rs.n
}
func (rs *RunningStats) Percentile(n int) float64 {
func (rs *RunningStats) Percentile(n float64) float64 {
if n > 100 {
n = 100
}
@@ -109,16 +109,16 @@ func (rs *RunningStats) Percentile(n int) float64 {
rs.sorted = true
}
i := int(float64(len(rs.perc)) * float64(n) / float64(100))
i := float64(len(rs.perc)) * n / float64(100)
return rs.perc[clamp(i, 0, len(rs.perc)-1)]
}
func clamp(i int, min int, max int) int {
if i < min {
func clamp(i float64, min int, max int) int {
if i < float64(min) {
return min
}
if i > max {
if i > float64(max) {
return max
}
return i
return int(i)
}