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Resync oxy with original repository

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SALLEYRON Julien 2017-11-22 18:20:03 +01:00 • committed by Traefiker
parent da5e4a13bf
commit bee8ebb00b
31 changed files with 650 additions and 808 deletions
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33
vendor/github.com/vulcand/oxy/memmetrics/histogram.go generated vendored
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@ -34,6 +34,15 @@ func NewHDRHistogram(low, high int64, sigfigs int) (h *HDRHistogram, err error)
}, nil
}
func (r *HDRHistogram) Export() *HDRHistogram {
var hist *hdrhistogram.Histogram = nil
if r.h != nil {
snapshot := r.h.Export()
hist = hdrhistogram.Import(snapshot)
}
return &HDRHistogram{low: r.low, high: r.high, sigfigs: r.sigfigs, h: hist}
}
// Returns latency at quantile with microsecond precision
func (h *HDRHistogram) LatencyAtQuantile(q float64) time.Duration {
return time.Duration(h.ValueAtQuantile(q)) * time.Microsecond
@ -118,6 +127,26 @@ func NewRollingHDRHistogram(low, high int64, sigfigs int, period time.Duration,
return rh, nil
}
func (r *RollingHDRHistogram) Export() *RollingHDRHistogram {
export := &RollingHDRHistogram{}
export.idx = r.idx
export.lastRoll = r.lastRoll
export.period = r.period
export.bucketCount = r.bucketCount
export.low = r.low
export.high = r.high
export.sigfigs = r.sigfigs
export.clock = r.clock
exportBuckets := make([]*HDRHistogram, len(r.buckets))
for i, hist := range r.buckets {
exportBuckets[i] = hist.Export()
}
export.buckets = exportBuckets
return export
}
func (r *RollingHDRHistogram) Append(o *RollingHDRHistogram) error {
if r.bucketCount != o.bucketCount || r.period != o.period || r.low != o.low || r.high != o.high || r.sigfigs != o.sigfigs {
return fmt.Errorf("can't merge")
@ -150,8 +179,8 @@ func (r *RollingHDRHistogram) Merged() (*HDRHistogram, error) {
return m, err
}
for _, h := range r.buckets {
if m.Merge(h); err != nil {
return nil, err
if errMerge := m.Merge(h); errMerge != nil {
return nil, errMerge
}
}
return m, nil