mirror of
https://github.com/hanzoai/telemetry.git
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This changes how to handle optional primitive fields, instead of using a
"oneof" like style, define a metadata for each message that for the
moment only contains information if the optional fields are present of
not.
Alternative considered to use a pointer to the value instead of "any"
that would reduce the size of the field from 16B to 8B but would keep an
extra allocation.
**Before:**
```
BenchmarkMarshalAndUnmarshal/empty
BenchmarkMarshalAndUnmarshal/empty-12 16115462 73.64 ns/op 224 B/op 1 allocs/op
BenchmarkMarshalAndUnmarshal/all
BenchmarkMarshalAndUnmarshal/all-12 1844172 641.0 ns/op 800 B/op 21 allocs/op
```
**After:**
```
BenchmarkMarshalAndUnmarshal/empty
BenchmarkMarshalAndUnmarshal/empty-12 18948967 62.91 ns/op 208 B/op 1 allocs/op
BenchmarkMarshalAndUnmarshal/all
BenchmarkMarshalAndUnmarshal/all-12 1914825 624.3 ns/op 760 B/op 18 allocs/op
```
**Bechmark code:**
```golang
func BenchmarkMarshalAndUnmarshal(b *testing.B) {
tests := map[string]*ExponentialHistogramDataPoint{
"empty": NewExponentialHistogramDataPoint(),
"all": GenTestExponentialHistogramDataPoint(),
}
for name, src := range tests {
b.Run(name, func(b *testing.B) {
buf := make([]byte, src.SizeProto())
b.ReportAllocs()
b.ResetTimer()
for b.Loop() {
gotSize := src.MarshalProto(buf)
if len(buf) != gotSize {
b.Fatalf("size mismatch: %d vs %d", len(buf), gotSize)
}
dest := NewExponentialHistogramDataPoint()
if err := dest.UnmarshalProto(buf); err != nil {
b.Fatal(err)
}
}
})
}
}
```
Signed-off-by: Bogdan Drutu <[email protected]>
189 lines
6.1 KiB
Go
189 lines
6.1 KiB
Go
// Copyright The OpenTelemetry Authors
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// SPDX-License-Identifier: Apache-2.0
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// Code generated by "internal/cmd/pdatagen/main.go". DO NOT EDIT.
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// To regenerate this file run "make genpdata".
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package pmetric
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import (
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"go.opentelemetry.io/collector/pdata/internal"
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"go.opentelemetry.io/collector/pdata/pcommon"
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)
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// HistogramDataPoint is a single data point in a timeseries that describes the time-varying values of a Histogram of values.
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//
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// This is a reference type, if passed by value and callee modifies it the
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// caller will see the modification.
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//
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// Must use NewHistogramDataPoint function to create new instances.
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// Important: zero-initialized instance is not valid for use.
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type HistogramDataPoint struct {
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orig *internal.HistogramDataPoint
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state *internal.State
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}
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func newHistogramDataPoint(orig *internal.HistogramDataPoint, state *internal.State) HistogramDataPoint {
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return HistogramDataPoint{orig: orig, state: state}
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}
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// NewHistogramDataPoint creates a new empty HistogramDataPoint.
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//
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// This must be used only in testing code. Users should use "AppendEmpty" when part of a Slice,
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// OR directly access the member if this is embedded in another struct.
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func NewHistogramDataPoint() HistogramDataPoint {
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return newHistogramDataPoint(internal.NewHistogramDataPoint(), internal.NewState())
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}
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// MoveTo moves all properties from the current struct overriding the destination and
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// resetting the current instance to its zero value
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func (ms HistogramDataPoint) MoveTo(dest HistogramDataPoint) {
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ms.state.AssertMutable()
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dest.state.AssertMutable()
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// If they point to the same data, they are the same, nothing to do.
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if ms.orig == dest.orig {
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return
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}
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internal.DeleteHistogramDataPoint(dest.orig, false)
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*dest.orig, *ms.orig = *ms.orig, *dest.orig
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}
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// Attributes returns the Attributes associated with this HistogramDataPoint.
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func (ms HistogramDataPoint) Attributes() pcommon.Map {
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return pcommon.Map(internal.NewMapWrapper(&ms.orig.Attributes, ms.state))
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}
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// StartTimestamp returns the starttimestamp associated with this HistogramDataPoint.
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func (ms HistogramDataPoint) StartTimestamp() pcommon.Timestamp {
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return pcommon.Timestamp(ms.orig.StartTimeUnixNano)
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}
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// SetStartTimestamp replaces the starttimestamp associated with this HistogramDataPoint.
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func (ms HistogramDataPoint) SetStartTimestamp(v pcommon.Timestamp) {
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ms.state.AssertMutable()
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ms.orig.StartTimeUnixNano = uint64(v)
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}
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// Timestamp returns the timestamp associated with this HistogramDataPoint.
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func (ms HistogramDataPoint) Timestamp() pcommon.Timestamp {
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return pcommon.Timestamp(ms.orig.TimeUnixNano)
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}
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// SetTimestamp replaces the timestamp associated with this HistogramDataPoint.
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func (ms HistogramDataPoint) SetTimestamp(v pcommon.Timestamp) {
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ms.state.AssertMutable()
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ms.orig.TimeUnixNano = uint64(v)
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}
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// Count returns the count associated with this HistogramDataPoint.
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func (ms HistogramDataPoint) Count() uint64 {
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return ms.orig.Count
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}
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// SetCount replaces the count associated with this HistogramDataPoint.
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func (ms HistogramDataPoint) SetCount(v uint64) {
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ms.state.AssertMutable()
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ms.orig.Count = v
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}
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// Sum returns the sum associated with this HistogramDataPoint.
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func (ms HistogramDataPoint) Sum() float64 {
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return ms.orig.Sum
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}
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// HasSum returns true if the HistogramDataPoint contains a
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// Sum value otherwise.
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func (ms HistogramDataPoint) HasSum() bool {
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return ms.orig.HasSum()
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}
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// SetSum replaces the sum associated with this HistogramDataPoint.
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func (ms HistogramDataPoint) SetSum(v float64) {
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ms.state.AssertMutable()
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ms.orig.SetSum(v)
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}
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// RemoveSum removes the sum associated with this HistogramDataPoint.
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func (ms HistogramDataPoint) RemoveSum() {
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ms.state.AssertMutable()
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ms.orig.RemoveSum()
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}
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// BucketCounts returns the BucketCounts associated with this HistogramDataPoint.
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func (ms HistogramDataPoint) BucketCounts() pcommon.UInt64Slice {
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return pcommon.UInt64Slice(internal.NewUInt64SliceWrapper(&ms.orig.BucketCounts, ms.state))
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}
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// ExplicitBounds returns the ExplicitBounds associated with this HistogramDataPoint.
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func (ms HistogramDataPoint) ExplicitBounds() pcommon.Float64Slice {
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return pcommon.Float64Slice(internal.NewFloat64SliceWrapper(&ms.orig.ExplicitBounds, ms.state))
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}
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// Exemplars returns the Exemplars associated with this HistogramDataPoint.
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func (ms HistogramDataPoint) Exemplars() ExemplarSlice {
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return newExemplarSlice(&ms.orig.Exemplars, ms.state)
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}
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// Flags returns the flags associated with this HistogramDataPoint.
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func (ms HistogramDataPoint) Flags() DataPointFlags {
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return DataPointFlags(ms.orig.Flags)
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}
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// SetFlags replaces the flags associated with this HistogramDataPoint.
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func (ms HistogramDataPoint) SetFlags(v DataPointFlags) {
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ms.state.AssertMutable()
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ms.orig.Flags = uint32(v)
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}
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// Min returns the min associated with this HistogramDataPoint.
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func (ms HistogramDataPoint) Min() float64 {
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return ms.orig.Min
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}
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// HasMin returns true if the HistogramDataPoint contains a
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// Min value otherwise.
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func (ms HistogramDataPoint) HasMin() bool {
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return ms.orig.HasMin()
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}
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// SetMin replaces the min associated with this HistogramDataPoint.
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func (ms HistogramDataPoint) SetMin(v float64) {
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ms.state.AssertMutable()
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ms.orig.SetMin(v)
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}
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// RemoveMin removes the min associated with this HistogramDataPoint.
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func (ms HistogramDataPoint) RemoveMin() {
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ms.state.AssertMutable()
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ms.orig.RemoveMin()
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}
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// Max returns the max associated with this HistogramDataPoint.
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func (ms HistogramDataPoint) Max() float64 {
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return ms.orig.Max
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}
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// HasMax returns true if the HistogramDataPoint contains a
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// Max value otherwise.
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func (ms HistogramDataPoint) HasMax() bool {
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return ms.orig.HasMax()
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}
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// SetMax replaces the max associated with this HistogramDataPoint.
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func (ms HistogramDataPoint) SetMax(v float64) {
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ms.state.AssertMutable()
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ms.orig.SetMax(v)
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}
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// RemoveMax removes the max associated with this HistogramDataPoint.
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func (ms HistogramDataPoint) RemoveMax() {
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ms.state.AssertMutable()
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ms.orig.RemoveMax()
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}
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// CopyTo copies all properties from the current struct overriding the destination.
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func (ms HistogramDataPoint) CopyTo(dest HistogramDataPoint) {
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dest.state.AssertMutable()
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internal.CopyHistogramDataPoint(dest.orig, ms.orig)
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}
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