85 lines
1.6 KiB
Go
85 lines
1.6 KiB
Go
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package crono
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import (
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"fmt"
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"os"
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"time"
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"github.com/jedib0t/go-pretty/v6/table"
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)
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type Timing struct {
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Msg string
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Elapsed time.Duration
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}
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type Crono struct {
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Begin time.Time
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Cursor time.Time
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Timings []Timing
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}
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// new cronograph with autostart.
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func New() *Crono {
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c := new(Crono)
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c.Timings = make([]Timing, 0)
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c.Begin = time.Now()
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c.Cursor = c.Begin
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return c
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}
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// restart the crono
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// keeps the begin time.
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func (c *Crono) Restart() {
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c.Cursor = time.Now()
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}
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// push a mark.
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func (c *Crono) Mark(msg string) {
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c.Timings = append(c.Timings, Timing{msg, c.GetElapsed()})
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}
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// push a mark and restart the cursor time.
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func (c *Crono) MarkAndRestart(msg string) {
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c.Mark(msg)
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c.Restart()
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}
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// time in seconds since last start
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// it doesn't restart the crono.
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func (c *Crono) GetElapsed() time.Duration {
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return time.Since(c.Cursor)
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}
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// total time sice start.
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func (c *Crono) Total() time.Duration {
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return time.Since(c.Begin)
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}
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func (c *Crono) Table() {
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t := table.NewWriter()
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t.SetOutputMirror(os.Stdout)
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t.AppendHeader(table.Row{"#", "Description", "Elapsed"})
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for i, e := range c.Timings {
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t.AppendRow([]interface{}{i, e.Msg, durationToString(e.Elapsed)})
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}
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t.AppendSeparator()
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t.AppendFooter(table.Row{"", "Total", durationToString(c.Total())})
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t.Render()
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}
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func durationToString(t time.Duration) string {
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timeString := fmt.Sprintf("%dms", t.Milliseconds())
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if t.Seconds() > 3 {
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timeString += " !!!"
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} else if t.Seconds() > 2 {
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timeString += " .!!"
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} else if t.Seconds() > 1 {
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timeString += " ..!"
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} else {
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timeString += " ..."
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}
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return timeString
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}
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