github.com/m3db/m3@v1.5.1-0.20231129193456-75a402aa583b/src/x/instrument/methods_benchmark_test.go (about)

     1  // Copyright (c) 2021 Uber Technologies, Inc.
     2  //
     3  // Permission is hereby granted, free of charge, to any person obtaining a copy
     4  // of this software and associated documentation files (the "Software"), to deal
     5  // in the Software without restriction, including without limitation the rights
     6  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     7  // copies of the Software, and to permit persons to whom the Software is
     8  // furnished to do so, subject to the following conditions:
     9  //
    10  // The above copyright notice and this permission notice shall be included in
    11  // all copies or substantial portions of the Software.
    12  //
    13  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    14  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    15  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    16  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    17  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    18  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    19  // THE SOFTWARE.
    20  
    21  package instrument
    22  
    23  import (
    24  	"runtime"
    25  	"testing"
    26  	"time"
    27  
    28  	"github.com/uber-go/tally"
    29  )
    30  
    31  func BenchmarkSampledTimer(b *testing.B) {
    32  	tm := MustCreateSampledTimer(tally.NoopScope.Timer("test"), 0.5)
    33  	benchRecord(b, tm)
    34  	runtime.KeepAlive(tm)
    35  }
    36  
    37  func BenchmarkSampledTimerLowRate(b *testing.B) {
    38  	tm := MustCreateSampledTimer(tally.NoopScope.Timer("test"), 0.5)
    39  	benchRecord(b, tm)
    40  	runtime.KeepAlive(tm)
    41  }
    42  
    43  func BenchmarkSampledTimerStopwatch(b *testing.B) {
    44  	tm := MustCreateSampledTimer(tally.NoopScope.Timer("test"), 0.5)
    45  	benchStopwatch(b, tm)
    46  	runtime.KeepAlive(tm)
    47  }
    48  
    49  func BenchmarkSampledTimerStopwatchLowRate(b *testing.B) {
    50  	tm := MustCreateSampledTimer(tally.NoopScope.Timer("test"), 0.01)
    51  	benchStopwatch(b, tm)
    52  	runtime.KeepAlive(tm)
    53  }
    54  
    55  func benchStopwatch(b *testing.B, tm tally.Timer) {
    56  	b.RunParallel(func(pb *testing.PB) {
    57  		var sw tally.Stopwatch
    58  		for pb.Next() {
    59  			sw = tm.Start()
    60  			sw.Stop()
    61  		}
    62  		runtime.KeepAlive(sw)
    63  	})
    64  }
    65  
    66  func benchRecord(b *testing.B, tm tally.Timer) {
    67  	b.RunParallel(func(pb *testing.PB) {
    68  		for pb.Next() {
    69  			tm.Record(1 * time.Second)
    70  		}
    71  	})
    72  }