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53 lines
1.4 KiB
53 lines
1.4 KiB
// Copyright 2018 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package tracing
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import (
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"context"
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"fmt"
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"testing"
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)
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// BenchmarkNoopLogKV benchs the cost of noop's `LogKV`.
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func BenchmarkNoopLogKV(b *testing.B) {
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sp := noopSpan()
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for i := 0; i < b.N; i++ {
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sp.LogKV("event", "noop is finished")
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}
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}
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// BenchmarkNoopLogKVWithF benchs the the cosst of noop's `LogKV` when
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// used with `fmt.Sprintf`
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func BenchmarkNoopLogKVWithF(b *testing.B) {
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sp := noopSpan()
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for i := 0; i < b.N; i++ {
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sp.LogKV("event", fmt.Sprintf("this is format %s", "noop is finished"))
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}
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}
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// BenchmarkSpanFromContext benchs the cost of `SpanFromContext`.
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func BenchmarkSpanFromContext(b *testing.B) {
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ctx := context.TODO()
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for i := 0; i < b.N; i++ {
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SpanFromContext(ctx)
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}
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}
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// BenchmarkChildFromContext benchs the cost of `ChildSpanFromContxt`.
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func BenchmarkChildFromContext(b *testing.B) {
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ctx := context.TODO()
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for i := 0; i < b.N; i++ {
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ChildSpanFromContxt(ctx, "child")
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}
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}
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