47 lines
1.0 KiB
Go
47 lines
1.0 KiB
Go
// Copyright (C) 2015 The Syncthing Authors.
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this file,
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// You can obtain one at https://mozilla.org/MPL/2.0/.
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// +build ignore
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// Neatly format benchmarking output which otherwise looks like crap.
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package main
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import (
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"bufio"
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"fmt"
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"os"
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"regexp"
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"strings"
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"text/tabwriter"
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)
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var (
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benchRe = regexp.MustCompile(`^(Bench[^\s]+)\s+(\d+)\s+(\d+ ns/op)\s*(\d+ B/op)?\s*(\d+ allocs/op)?`)
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)
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func main() {
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tw := tabwriter.NewWriter(os.Stdout, 1, 1, 1, ' ', 0)
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br := bufio.NewScanner(os.Stdin)
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n := 0
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for br.Scan() {
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line := br.Text()
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if match := benchRe.FindStringSubmatch(line); match != nil {
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n++
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for i := range match[2:] {
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match[2+i] = fmt.Sprintf("%16s", match[2+i])
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}
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tw.Write([]byte(strings.Join(match[1:], "\t") + "\n"))
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} else if n > 0 && strings.HasPrefix(line, "ok") {
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n = 0
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tw.Flush()
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fmt.Printf("%s\n\n", line)
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}
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}
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tw.Flush()
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}
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