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Tool for benchmarking compression of wire messages
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‎tools/protobench/README.md‎

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The idea is to record the wire messages of the profiling agent and see how well they compress using different
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compressors and what the CPU impact is.
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To record the wire messages, you need to run the profiling agent with the `-bench-proto-dir` flag.
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This will write the wire messages into the given directory. The directory will be created if it does not exist.
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You can then use the `protobench` tool to compress the wire messages and see how well they compress and how much
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CPU time it takes to compress them.
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To run the profiling agent, first have a receiving endpoint, e.g. `devfiler` listening on localhost:11000.
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Then run the profiling agent with the `-bench-proto-dir` flag:
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```shell
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sudo ./opentelemetry-ebpf-profiler -bench-proto-dir=/tmp/protobuf -collection-agent=127.0.0.1:11000 -disable-tls
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```
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The wire messages are written to `protobuf/`, one file per message.
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To compress the wire messages and generate a bar chart, run the `protobench` tool:
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```shell
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cd tools/protobench
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go run ./... -bench-proto-dir=/tmp/protobuf -output-file=results.png
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```
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If you don't see any errors, the tool will generate a PNG file with a bar chart showing the compression ratio and
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compression time for each compressor.
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The extension `.csv` can be used to generate a CSV file with the raw data instead of a PNG file.
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No `-output-file` flag will display the results in the terminal.
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Of course, you can also use the `protobench` tool to compare compression of any other files.
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### Example PNG output
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![Example output](example.png)

‎tools/protobench/cli_flags.go‎

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/*
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* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
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* or more contributor license agreements. Licensed under the Apache License 2.0.
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* See the file "LICENSE" for details.
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*/
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package main
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import (
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"errors"
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"flag"
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"os"
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"path/filepath"
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"github.com/peterbourgon/ff/v3"
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)
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const (
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defaultArgBenchProtoDir = ""
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defaultArgOutputFile = ""
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)
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// Help strings for command line arguments
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var (
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benchProtoDirHelp = "Directory to store raw protobuf wire messages."
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outputFileHelp = "Output file to store the benchmark results (*.csv or *.png)."
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)
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type arguments struct {
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benchProtoDir string
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outputFile string
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fs *flag.FlagSet
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}
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func (args *arguments) SanityCheck() error {
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if args.benchProtoDir == "" {
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return errors.New("no protobuf message directory specified")
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}
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if args.outputFile != "" {
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switch filepath.Ext(args.outputFile) {
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case ".csv", ".png":
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default:
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return errors.New("output file must be either a .csv or .png file")
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}
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}
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return nil
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}
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// Package-scope variable, so that conditionally compiled other components can refer
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// to the same flagset.
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func parseArgs() (*arguments, error) {
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var args arguments
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fs := flag.NewFlagSet("protobench", flag.ExitOnError)
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fs.StringVar(&args.benchProtoDir, "bench-proto-dir", defaultArgBenchProtoDir,
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benchProtoDirHelp)
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fs.StringVar(&args.outputFile, "output-file", defaultArgOutputFile,
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outputFileHelp)
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fs.Usage = func() {
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fs.PrintDefaults()
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}
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args.fs = fs
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return &args, ff.Parse(fs, os.Args[1:],
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ff.WithEnvVarPrefix("OTEL_PROTOBENCH"),
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ff.WithConfigFileFlag("config"),
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ff.WithConfigFileParser(ff.PlainParser),
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ff.WithAllowMissingConfigFile(true),
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)
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}

‎tools/protobench/compressor.go‎

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package main
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import (
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"bytes"
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"github.com/andybalholm/brotli"
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"github.com/klauspost/compress/gzip"
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"github.com/klauspost/compress/s2"
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"github.com/klauspost/compress/zstd"
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"github.com/pierrec/lz4/v4"
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)
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type compressor interface {
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// compress compresses the content and writes it to the pre-allocated buffer.
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compress([]byte, *bytes.Buffer) (int64, error)
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id() string
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}
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type noneCompressor struct {
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name string
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}
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func (n noneCompressor) id() string { return n.name }
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func (noneCompressor) compress(content []byte, _ *bytes.Buffer) (int64, error) {
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return int64(len(content)), nil
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}
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type gzipCompressor struct {
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name string
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level int
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}
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func (g gzipCompressor) id() string { return g.name }
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func (g gzipCompressor) compress(content []byte, buf *bytes.Buffer) (int64, error) {
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encoder, err := gzip.NewWriterLevel(buf, g.level)
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if err != nil {
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return 0, err
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}
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defer encoder.Close()
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if _, err = encoder.Write(content); err != nil {
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return 0, err
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}
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if err := encoder.Close(); err != nil {
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return 0, err
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}
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encoder.Flush()
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return int64(buf.Len()), nil
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}
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type zstdCompressor struct {
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name string
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level zstd.EncoderLevel
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}
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func (z zstdCompressor) id() string { return z.name }
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func (z zstdCompressor) compress(content []byte, buf *bytes.Buffer) (int64, error) {
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encoder, err := zstd.NewWriter(buf, zstd.WithEncoderLevel(z.level))
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if err != nil {
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return 0, err
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}
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defer encoder.Close()
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if _, err = encoder.Write(content); err != nil {
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return 0, err
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}
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encoder.Flush()
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return int64(buf.Len()), nil
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}
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type brotliCompressor struct {
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name string
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level int
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}
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func (b brotliCompressor) id() string { return b.name }
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func (b brotliCompressor) compress(content []byte, buf *bytes.Buffer) (int64, error) {
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encoder := brotli.NewWriterLevel(buf, b.level)
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defer encoder.Close()
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if _, err := encoder.Write(content); err != nil {
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return 0, err
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}
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encoder.Flush()
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return int64(buf.Len()), nil
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}
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type s2Compressor struct {
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name string
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level s2.WriterOption
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}
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func (s s2Compressor) id() string { return s.name }
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func (s s2Compressor) compress(content []byte, buf *bytes.Buffer) (int64, error) {
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encoder := s2.NewWriter(buf, s.level)
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defer encoder.Close()
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if _, err := encoder.Write(content); err != nil {
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return 0, err
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}
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encoder.Flush()
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return int64(buf.Len()), nil
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}
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type lz4Compressor struct {
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name string
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level lz4.CompressionLevel
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}
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func (l lz4Compressor) id() string { return l.name }
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func (l lz4Compressor) compress(content []byte, buf *bytes.Buffer) (int64, error) {
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encoder := lz4.NewWriter(buf)
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defer encoder.Close()
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err := encoder.Apply(lz4.CompressionLevelOption(l.level))
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if err != nil {
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return 0, err
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}
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if _, err = encoder.Write(content); err != nil {
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return 0, err
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}
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encoder.Flush()
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return int64(buf.Len()), nil
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}

‎tools/protobench/example.png‎

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‎tools/protobench/go.mod‎

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module github.com/open-telemetry/opentelemetry-ebpf-profiler/tools/protobench
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go 1.22.6
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require (
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github.com/andybalholm/brotli v1.1.0
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github.com/klauspost/compress v1.17.9
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github.com/peterbourgon/ff/v3 v3.4.0
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github.com/pierrec/lz4/v4 v4.1.21
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gonum.org/v1/plot v0.14.0
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)
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require (
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git.sr.ht/~sbinet/gg v0.5.0 // indirect
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github.com/ajstarks/svgo v0.0.0-20211024235047-1546f124cd8b // indirect
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github.com/campoy/embedmd v1.0.0 // indirect
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github.com/go-fonts/liberation v0.3.1 // indirect
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github.com/go-latex/latex v0.0.0-20230307184459-12ec69307ad9 // indirect
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github.com/go-pdf/fpdf v0.8.0 // indirect
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github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 // indirect
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github.com/pmezard/go-difflib v1.0.0 // indirect
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golang.org/x/image v0.11.0 // indirect
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golang.org/x/text v0.12.0 // indirect
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)

‎tools/protobench/go.sum‎

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git.sr.ht/~sbinet/cmpimg v0.1.0 h1:E0zPRk2muWuCqSKSVZIWsgtU9pjsw3eKHi8VmQeScxo=
2+
git.sr.ht/~sbinet/cmpimg v0.1.0/go.mod h1:FU12psLbF4TfNXkKH2ZZQ29crIqoiqTZmeQ7dkp/pxE=
3+
git.sr.ht/~sbinet/gg v0.5.0 h1:6V43j30HM623V329xA9Ntq+WJrMjDxRjuAB1LFWF5m8=
4+
git.sr.ht/~sbinet/gg v0.5.0/go.mod h1:G2C0eRESqlKhS7ErsNey6HHrqU1PwsnCQlekFi9Q2Oo=
5+
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
6+
github.com/ajstarks/deck v0.0.0-20200831202436-30c9fc6549a9/go.mod h1:JynElWSGnm/4RlzPXRlREEwqTHAN3T56Bv2ITsFT3gY=
7+
github.com/ajstarks/deck/generate v0.0.0-20210309230005-c3f852c02e19/go.mod h1:T13YZdzov6OU0A1+RfKZiZN9ca6VeKdBdyDV+BY97Tk=
8+
github.com/ajstarks/svgo v0.0.0-20211024235047-1546f124cd8b h1:slYM766cy2nI3BwyRiyQj/Ud48djTMtMebDqepE95rw=
9+
github.com/ajstarks/svgo v0.0.0-20211024235047-1546f124cd8b/go.mod h1:1KcenG0jGWcpt8ov532z81sp/kMMUG485J2InIOyADM=
10+
github.com/andybalholm/brotli v1.1.0 h1:eLKJA0d02Lf0mVpIDgYnqXcUn0GqVmEFny3VuID1U3M=
11+
github.com/andybalholm/brotli v1.1.0/go.mod h1:sms7XGricyQI9K10gOSf56VKKWS4oLer58Q+mhRPtnY=
12+
github.com/campoy/embedmd v1.0.0 h1:V4kI2qTJJLf4J29RzI/MAt2c3Bl4dQSYPuflzwFH2hY=
13+
github.com/campoy/embedmd v1.0.0/go.mod h1:oxyr9RCiSXg0M3VJ3ks0UGfp98BpSSGr0kpiX3MzVl8=
14+
github.com/go-fonts/dejavu v0.1.0 h1:JSajPXURYqpr+Cu8U9bt8K+XcACIHWqWrvWCKyeFmVQ=
15+
github.com/go-fonts/dejavu v0.1.0/go.mod h1:4Wt4I4OU2Nq9asgDCteaAaWZOV24E+0/Pwo0gppep4g=
16+
github.com/go-fonts/latin-modern v0.3.1 h1:/cT8A7uavYKvglYXvrdDw4oS5ZLkcOU22fa2HJ1/JVM=
17+
github.com/go-fonts/latin-modern v0.3.1/go.mod h1:ysEQXnuT/sCDOAONxC7ImeEDVINbltClhasMAqEtRK0=
18+
github.com/go-fonts/liberation v0.3.1 h1:9RPT2NhUpxQ7ukUvz3jeUckmN42T9D9TpjtQcqK/ceM=
19+
github.com/go-fonts/liberation v0.3.1/go.mod h1:jdJ+cqF+F4SUL2V+qxBth8fvBpBDS7yloUL5Fi8GTGY=
20+
github.com/go-latex/latex v0.0.0-20230307184459-12ec69307ad9 h1:NxXI5pTAtpEaU49bpLpQoDsu1zrteW/vxzTz8Cd2UAs=
21+
github.com/go-latex/latex v0.0.0-20230307184459-12ec69307ad9/go.mod h1:gWuR/CrFDDeVRFQwHPvsv9soJVB/iqymhuZQuJ3a9OM=
22+
github.com/go-pdf/fpdf v0.8.0 h1:IJKpdaagnWUeSkUFUjTcSzTppFxmv8ucGQyNPQWxYOQ=
23+
github.com/go-pdf/fpdf v0.8.0/go.mod h1:gfqhcNwXrsd3XYKte9a7vM3smvU/jB4ZRDrmWSxpfdc=
24+
github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 h1:DACJavvAHhabrF08vX0COfcOBJRhZ8lUbR+ZWIs0Y5g=
25+
github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0/go.mod h1:E/TSTwGwJL78qG/PmXZO1EjYhfJinVAhrmmHX6Z8B9k=
26+
github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
27+
github.com/klauspost/compress v1.17.9 h1:6KIumPrER1LHsvBVuDa0r5xaG0Es51mhhB9BQB2qeMA=
28+
github.com/klauspost/compress v1.17.9/go.mod h1:Di0epgTjJY877eYKx5yC51cX2A2Vl2ibi7bDH9ttBbw=
29+
github.com/peterbourgon/ff/v3 v3.4.0 h1:QBvM/rizZM1cB0p0lGMdmR7HxZeI/ZrBWB4DqLkMUBc=
30+
github.com/peterbourgon/ff/v3 v3.4.0/go.mod h1:zjJVUhx+twciwfDl0zBcFzl4dW8axCRyXE/eKY9RztQ=
31+
github.com/pierrec/lz4/v4 v4.1.21 h1:yOVMLb6qSIDP67pl/5F7RepeKYu/VmTyEXvuMI5d9mQ=
32+
github.com/pierrec/lz4/v4 v4.1.21/go.mod h1:gZWDp/Ze/IJXGXf23ltt2EXimqmTUXEy0GFuRQyBid4=
33+
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
34+
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
35+
github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
36+
github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
37+
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
38+
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
39+
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
40+
golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
41+
golang.org/x/exp v0.0.0-20230801115018-d63ba01acd4b h1:r+vk0EmXNmekl0S0BascoeeoHk/L7wmaW2QF90K+kYI=
42+
golang.org/x/exp v0.0.0-20230801115018-d63ba01acd4b/go.mod h1:FXUEEKJgO7OQYeo8N01OfiKP8RXMtf6e8aTskBGqWdc=
43+
golang.org/x/image v0.11.0 h1:ds2RoQvBvYTiJkwpSFDwCcDFNX7DqjL2WsUgTNk0Ooo=
44+
golang.org/x/image v0.11.0/go.mod h1:bglhjqbqVuEb9e9+eNR45Jfu7D+T4Qan+NhQk8Ck2P8=
45+
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
46+
golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
47+
golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
48+
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
49+
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
50+
golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
51+
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
52+
golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
53+
golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
54+
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
55+
golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
56+
golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
57+
golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
58+
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
59+
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
60+
golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
61+
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
62+
golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
63+
golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
64+
golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
65+
golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
66+
golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
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golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
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golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
70+
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
71+
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
72+
golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
73+
golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
74+
golang.org/x/text v0.12.0 h1:k+n5B8goJNdU7hSvEtMUz3d1Q6D/XW4COJSJR6fN0mc=
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golang.org/x/text v0.12.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
76+
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
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golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
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golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0=
79+
golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
80+
golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
81+
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
82+
golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
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golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
84+
gonum.org/v1/gonum v0.14.0 h1:2NiG67LD1tEH0D7kM+ps2V+fXmsAnpUeec7n8tcr4S0=
85+
gonum.org/v1/gonum v0.14.0/go.mod h1:AoWeoz0becf9QMWtE8iWXNXc27fK4fNeHNf/oMejGfU=
86+
gonum.org/v1/plot v0.14.0 h1:+LBDVFYwFe4LHhdP8coW6296MBEY4nQ+Y4vuUpJopcE=
87+
gonum.org/v1/plot v0.14.0/go.mod h1:MLdR9424SJed+5VqC6MsouEpig9pZX2VZ57H9ko2bXU=
88+
honnef.co/go/tools v0.1.3/go.mod h1:NgwopIslSNH47DimFoV78dnkksY2EFtX0ajyb3K/las=
89+
rsc.io/pdf v0.1.1 h1:k1MczvYDUvJBe93bYd7wrZLLUEcLZAuF824/I4e5Xr4=
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rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=

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