Created
July 21, 2021 13:38
-
-
Save pior/f72219a1496d44fb3a26d2ecce4fb8a0 to your computer and use it in GitHub Desktop.
Benchmark tools
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
package badger | |
import ( | |
"fmt" | |
"os" | |
"path/filepath" | |
"time" | |
"github.com/montanaflynn/stats" | |
) | |
func DirSize(path string) (int64, error) { | |
var size int64 | |
err := filepath.Walk(path, func(_ string, info os.FileInfo, err error) error { | |
if err != nil { | |
return err | |
} | |
if !info.IsDir() { | |
size += info.Size() | |
} | |
return err | |
}) | |
return size, err | |
} | |
type timer struct { | |
start time.Time | |
lapStart time.Time | |
laps []time.Duration | |
lapCount int | |
} | |
func Timer() *timer { | |
t := &timer{} | |
t.Reset() | |
return t | |
} | |
func (t *timer) Reset() { | |
t.start = time.Now() | |
t.lapStart = t.start | |
t.laps = []time.Duration{} | |
} | |
func (t *timer) LapTime() { | |
t.laps = append(t.laps, time.Since(t.lapStart)) | |
t.lapStart = time.Now() | |
} | |
func (t *timer) Lap() { | |
t.lapCount++ | |
} | |
func (t *timer) ReportLaps() { | |
total := time.Since(t.lapStart) | |
avgTime := total / time.Duration(t.lapCount) | |
fmt.Printf("Laps=%d avgLapTime=%s avgLapRate=%.1f/s\n", t.lapCount, avgTime, 1/avgTime.Seconds()) | |
t.lapStart = time.Now() | |
t.lapCount = 0 | |
} | |
func (t *timer) Report(title string) { | |
total := time.Since(t.start) | |
var statsStr string | |
if t.lapCount != 0 { | |
statsStr = fmt.Sprintf(" laps=%d avgLapTime=%s", t.lapCount, total/time.Duration(t.lapCount)) | |
} | |
if len(t.laps) != 0 { | |
data := make(stats.Float64Data, len(t.laps)) | |
for i, lap := range t.laps { | |
data[i] = lap.Seconds() | |
} | |
toDuration := func(value float64, _ error) time.Duration { | |
return time.Duration(float64(time.Second) * value) | |
} | |
statsStr = fmt.Sprintf(" min=%s median=%s p95=%s max=%s", | |
toDuration(stats.Min(data)), | |
toDuration(stats.Median(data)), | |
toDuration(stats.Percentile(data, 95)), | |
toDuration(stats.Max(data)), | |
) | |
} | |
fmt.Printf("Timer %s: total=%s%s\n", title, total, statsStr) | |
t.Reset() | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment