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internal/telemetry: add a stats benchmark

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Change-Id: I9cb1459a8589cec75ae29d0e53f044c6489b1ea2
Reviewed-on: https://go-review.googlesource.com/c/tools/+/222537
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
This commit is contained in:
Ian Cottrell 2020-03-06 13:40:47 -05:00
parent 71bfc1b943
commit e8dd451b4b
1 changed files with 24 additions and 0 deletions
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24
internal/telemetry/bench_test.go
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@ -9,8 +9,10 @@ import (
"golang.org/x/tools/internal/telemetry"
"golang.org/x/tools/internal/telemetry/export"
tellog "golang.org/x/tools/internal/telemetry/log"
"golang.org/x/tools/internal/telemetry/stats"
"golang.org/x/tools/internal/telemetry/tag"
teltrace "golang.org/x/tools/internal/telemetry/trace"
"golang.org/x/tools/internal/telemetry/unit"
)
type Hooks struct {
@ -19,6 +21,11 @@ type Hooks struct {
}
var (
aCount = stats.Int64("aCount", "Count of time A is called.", unit.Dimensionless)
aValue = stats.Int64("aValue", "A value.", unit.Dimensionless)
bCount = stats.Int64("B", "Count of time B is called.", unit.Dimensionless)
bLength = stats.Int64("BLen", "B length.", unit.Dimensionless)
Baseline = Hooks{
A: func(ctx context.Context, a *int) (context.Context, func()) {
return ctx, func() {}
@ -66,6 +73,21 @@ var (
return teltrace.StartSpan(ctx, "B")
},
}
Stats = Hooks{
A: func(ctx context.Context, a *int) (context.Context, func()) {
aCount.Record(ctx, 1)
return ctx, func() {
aValue.Record(ctx, int64(*a))
}
},
B: func(ctx context.Context, b *string) (context.Context, func()) {
bCount.Record(ctx, 1)
return ctx, func() {
bLength.Record(ctx, int64(len(*b)))
}
},
}
)
func Benchmark(b *testing.B) {
@ -74,10 +96,12 @@ func Benchmark(b *testing.B) {
export.SetExporter(nil)
b.Run("LogNoExporter", Log.runBenchmark)
b.Run("TraceNoExporter", Trace.runBenchmark)
b.Run("StatsNoExporter", Stats.runBenchmark)
export.SetExporter(newExporter())
b.Run("Log", Log.runBenchmark)
b.Run("Trace", Trace.runBenchmark)
b.Run("Stats", Stats.runBenchmark)
}
func A(ctx context.Context, hooks Hooks, a int) int {