/
writer.go
49 lines (42 loc) · 1.2 KB
/
writer.go
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package main
import (
"fmt"
"os"
"strings"
"github.com/olekukonko/tablewriter"
)
var oneFileHeaders = []string{"Metric", "Group", "Quantile", "Unit", "Median"}
var twoFilesHeaders = []string{"Metric", "Group", "Quantile", "Unit", "Old", "New", "Diff"}
func FormatText(t *Table) {
table := tablewriter.NewWriter(os.Stdout)
if t.Mode == Old {
table.SetHeader(oneFileHeaders)
} else if t.Mode == New {
table.SetHeader(twoFilesHeaders)
}
for _, row := range t.Rows {
var data []string
data = append(data, strings.TrimSuffix(row.Metric, "_duration_seconds"))
// Shorten name field.
sections := strings.Split(row.Group, "/")
data = append(data, strings.Join(sections[1:len(sections)-1], "/"))
data = append(data, row.Quantizer)
data = append(data, row.Unit)
// Discard outliers.
row.Old.compute()
data = append(data, fmt.Sprintf("%.2f", row.Old.Mean))
if row.New != nil {
row.New.compute()
data = append(data, fmt.Sprintf("%.2f", row.New.Mean))
x, y := row.Old.Mean, row.New.Mean
diff := y/x - 1
diffStr := fmt.Sprintf("%.2f%%", diff*100)
if diff >= 0 {
diffStr = fmt.Sprintf("+%s", diffStr)
}
data = append(data, diffStr)
}
table.Append(data)
}
table.Render()
}