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feat: add stats collector for pretty printing (#74)
Signed-off-by: Gaius <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,166 @@ | ||
| /* | ||
| * Copyright 2024 The Dragonfly Authors | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package stats | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "net/url" | ||
| "os" | ||
| "sync" | ||
| "time" | ||
|
|
||
| "github.com/dragonflyoss/perf-tests/benchmark/pkg/backend" | ||
| "github.com/dragonflyoss/perf-tests/benchmark/pkg/config" | ||
| "github.com/google/uuid" | ||
| "github.com/olekukonko/tablewriter" | ||
| ) | ||
|
|
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| // Stats represents the statistics of the benchmark. | ||
| type Stats interface { | ||
| // AddDownload adds a download record to the statistics. | ||
| AddDownload(*url.URL, string, backend.FileSizeLevel, time.Time, time.Time) | ||
|
|
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| // GetDownloads returns all download records. | ||
| GetDownloads() []*Download | ||
|
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| // PrettyPrint prints the statistics in a pretty format. | ||
| PrettyPrint() | ||
| } | ||
|
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| // stats implements the Stats interface. | ||
| type stats struct { | ||
| // downloads stores the download statistics. | ||
| downloads *sync.Map | ||
| } | ||
|
|
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| // Download represents the download statistics. | ||
| type Download struct { | ||
| // url is the URL of the file. | ||
| url *url.URL | ||
|
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| // downloader is the downloader used to download the file. | ||
| downloader string | ||
|
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| // fileSizeLevel is the file size level of the file. | ||
| fileSizeLevel backend.FileSizeLevel | ||
|
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| // cost is the time cost of downloading the file. | ||
| cost time.Duration | ||
|
|
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| // createdAt is the time when the download started. | ||
| createdAt time.Time | ||
|
|
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| // finishedAt is the time when the download finished. | ||
| finishedAt time.Time | ||
| } | ||
|
|
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| // New creates a new Stats instance. | ||
| func New() Stats { | ||
| return &stats{downloads: &sync.Map{}} | ||
| } | ||
|
|
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| // AddDownload adds a download record to the statistics. | ||
| func (s *stats) AddDownload(url *url.URL, downloader string, fileSizeLevel backend.FileSizeLevel, createdAt time.Time, finishedAt time.Time) { | ||
| s.downloads.Store(uuid.New().String(), &Download{ | ||
| url: url, | ||
| downloader: downloader, | ||
| fileSizeLevel: fileSizeLevel, | ||
| cost: finishedAt.Sub(createdAt), | ||
| createdAt: createdAt, | ||
| finishedAt: finishedAt, | ||
| }) | ||
| } | ||
|
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| func (s *stats) GetDownloads() []*Download { | ||
| downloads := make([]*Download, 0) | ||
| s.downloads.Range(func(key, value interface{}) bool { | ||
| downloads = append(downloads, value.(*Download)) | ||
| return true | ||
| }) | ||
|
|
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| return downloads | ||
| } | ||
|
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| // PrettyPrint prints the statistics in a pretty format. | ||
| func (s *stats) PrettyPrint() { | ||
| downloads := s.GetDownloads() | ||
|
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| proxyDownloads := make(map[backend.FileSizeLevel][]*Download) | ||
| dfgetDownloads := make(map[backend.FileSizeLevel][]*Download) | ||
|
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| for _, download := range downloads { | ||
| switch download.downloader { | ||
| case config.DownloaderDfget: | ||
| dfgetDownloads[download.fileSizeLevel] = append(dfgetDownloads[download.fileSizeLevel], download) | ||
| case config.DownloaderProxy: | ||
| proxyDownloads[download.fileSizeLevel] = append(proxyDownloads[download.fileSizeLevel], download) | ||
| } | ||
| } | ||
|
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| if len(dfgetDownloads) != 0 { | ||
| printTable(dfgetDownloads) | ||
| } | ||
|
|
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| if len(proxyDownloads) != 0 { | ||
| printTable(proxyDownloads) | ||
| } | ||
| } | ||
|
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| // printTable prints the download statistics in a table format. | ||
| func printTable(downloads map[backend.FileSizeLevel][]*Download) { | ||
| table := tablewriter.NewWriter(os.Stdout) | ||
| table.SetHeader([]string{"File Size Level", "Times", "Min Cost", "Max Cost", "Avg Cost"}) | ||
|
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| for fileSizeLevel, records := range downloads { | ||
| var minCost, maxCost, totalCost time.Duration | ||
| if len(records) > 0 { | ||
| minCost = records[0].cost | ||
| maxCost = records[0].cost | ||
| } | ||
|
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| for _, record := range records { | ||
| if record.cost < minCost { | ||
| minCost = record.cost | ||
| } | ||
|
|
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| if record.cost > maxCost { | ||
| maxCost = record.cost | ||
| } | ||
|
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| totalCost += record.cost | ||
| } | ||
|
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| avgCost := totalCost / time.Duration(len(records)) | ||
| table.Append([]string{ | ||
| fmt.Sprintf("%s", fileSizeLevel), | ||
| fmt.Sprintf("%d", len(records)), | ||
| formatDuration(minCost), | ||
| formatDuration(maxCost), | ||
| formatDuration(avgCost), | ||
| }) | ||
| } | ||
|
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| table.SetAlignment(tablewriter.ALIGN_LEFT) | ||
| table.SetRowLine(true) | ||
| table.Render() | ||
| } | ||
|
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| // formatDuration formats the duration to a string. | ||
| func formatDuration(d time.Duration) string { | ||
| ms := float64(d) / float64(time.Millisecond) | ||
| return fmt.Sprintf("%.2fms", ms) | ||
| } |