Add generated file
This PR adds generated files under pkg/client and vendor folder.
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131
vendor/golang.org/x/tools/benchmark/parse/parse.go
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vendored
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131
vendor/golang.org/x/tools/benchmark/parse/parse.go
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// Copyright 2014 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Package parse provides support for parsing benchmark results as
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// generated by 'go test -bench'.
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package parse // import "golang.org/x/tools/benchmark/parse"
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import (
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"bufio"
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"bytes"
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"fmt"
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"io"
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"strconv"
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"strings"
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)
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// Flags used by Benchmark.Measured to indicate
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// which measurements a Benchmark contains.
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const (
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NsPerOp = 1 << iota
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MBPerS
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AllocedBytesPerOp
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AllocsPerOp
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)
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// Benchmark is one run of a single benchmark.
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type Benchmark struct {
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Name string // benchmark name
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N int // number of iterations
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NsPerOp float64 // nanoseconds per iteration
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AllocedBytesPerOp uint64 // bytes allocated per iteration
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AllocsPerOp uint64 // allocs per iteration
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MBPerS float64 // MB processed per second
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Measured int // which measurements were recorded
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Ord int // ordinal position within a benchmark run
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}
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// ParseLine extracts a Benchmark from a single line of testing.B
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// output.
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func ParseLine(line string) (*Benchmark, error) {
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fields := strings.Fields(line)
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// Two required, positional fields: Name and iterations.
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if len(fields) < 2 {
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return nil, fmt.Errorf("two fields required, have %d", len(fields))
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}
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if !strings.HasPrefix(fields[0], "Benchmark") {
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return nil, fmt.Errorf(`first field does not start with "Benchmark"`)
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}
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n, err := strconv.Atoi(fields[1])
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if err != nil {
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return nil, err
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}
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b := &Benchmark{Name: fields[0], N: n}
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// Parse any remaining pairs of fields; we've parsed one pair already.
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for i := 1; i < len(fields)/2; i++ {
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b.parseMeasurement(fields[i*2], fields[i*2+1])
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}
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return b, nil
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}
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func (b *Benchmark) parseMeasurement(quant string, unit string) {
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switch unit {
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case "ns/op":
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if f, err := strconv.ParseFloat(quant, 64); err == nil {
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b.NsPerOp = f
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b.Measured |= NsPerOp
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}
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case "MB/s":
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if f, err := strconv.ParseFloat(quant, 64); err == nil {
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b.MBPerS = f
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b.Measured |= MBPerS
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}
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case "B/op":
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if i, err := strconv.ParseUint(quant, 10, 64); err == nil {
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b.AllocedBytesPerOp = i
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b.Measured |= AllocedBytesPerOp
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}
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case "allocs/op":
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if i, err := strconv.ParseUint(quant, 10, 64); err == nil {
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b.AllocsPerOp = i
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b.Measured |= AllocsPerOp
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}
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}
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}
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func (b *Benchmark) String() string {
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buf := new(bytes.Buffer)
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fmt.Fprintf(buf, "%s %d", b.Name, b.N)
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if (b.Measured & NsPerOp) != 0 {
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fmt.Fprintf(buf, " %.2f ns/op", b.NsPerOp)
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}
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if (b.Measured & MBPerS) != 0 {
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fmt.Fprintf(buf, " %.2f MB/s", b.MBPerS)
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}
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if (b.Measured & AllocedBytesPerOp) != 0 {
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fmt.Fprintf(buf, " %d B/op", b.AllocedBytesPerOp)
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}
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if (b.Measured & AllocsPerOp) != 0 {
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fmt.Fprintf(buf, " %d allocs/op", b.AllocsPerOp)
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}
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return buf.String()
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}
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// Set is a collection of benchmarks from one
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// testing.B run, keyed by name to facilitate comparison.
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type Set map[string][]*Benchmark
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// ParseSet extracts a Set from testing.B output.
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// ParseSet preserves the order of benchmarks that have identical
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// names.
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func ParseSet(r io.Reader) (Set, error) {
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bb := make(Set)
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scan := bufio.NewScanner(r)
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ord := 0
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for scan.Scan() {
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if b, err := ParseLine(scan.Text()); err == nil {
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b.Ord = ord
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ord++
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bb[b.Name] = append(bb[b.Name], b)
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}
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}
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if err := scan.Err(); err != nil {
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return nil, err
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}
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return bb, nil
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}
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