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36 lines
809 B
36 lines
809 B
package udptransfer
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import (
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"fmt"
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"os"
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"time"
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)
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type watch struct {
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label string
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t1 time.Time
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}
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func StartWatch(s string) *watch {
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return &watch{
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label: s,
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t1: time.Now(),
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}
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}
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func (w *watch) StopLoops(loop int, size int) {
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tu := time.Now().Sub(w.t1).Nanoseconds()
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timePerLoop := float64(tu) / float64(loop)
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throughput := float64(loop*size) * 1e6 / float64(tu)
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tu_ms := float64(tu) / 1e6
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fmt.Fprintf(os.Stderr, "%s tu=%.2f ms tpl=%.0f ns throughput=%.2f K/s\n", w.label, tu_ms, timePerLoop, throughput)
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}
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var _kt = float64(1e9 / 1024)
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func (w *watch) Stop(size int) {
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tu := time.Now().Sub(w.t1).Nanoseconds()
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throughput := float64(size) * _kt / float64(tu)
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tu_ms := float64(tu) / 1e6
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fmt.Fprintf(os.Stderr, "%s tu=%.2f ms throughput=%.2f K/s\n", w.label, tu_ms, throughput)
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}
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