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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "context" | ||
| "encoding/json" | ||
| "fmt" | ||
| "log" | ||
| "os" | ||
|
|
||
| "github.com/docker/docker/client" | ||
| "github.com/mitchellh/cli" | ||
| "github.com/pkg/errors" | ||
| "github.com/schattian/bencher/internal/bencher" | ||
| "go.etcd.io/bbolt" | ||
| "golang.org/x/perf/benchstat" | ||
| ) | ||
|
|
||
| type cmpCmd struct { | ||
| docker *client.Client | ||
| } | ||
|
|
||
| func prepareCmp() (cli.Command, error) { | ||
| docker, err := client.NewClientWithOpts(client.FromEnv) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| pruneContainers(context.Background(), docker) | ||
| return &cmpCmd{docker: docker}, nil | ||
| } | ||
|
|
||
| func (cmd *cmpCmd) Run(args []string) int { | ||
| if len(args) < 2 { | ||
| return cli.RunResultHelp | ||
| } | ||
| db, err := initDB() | ||
| if err != nil { | ||
| fmt.Printf("err initDB: %v", err) | ||
| return 1 | ||
| } | ||
| defer db.Close() | ||
| err = cmd.cmp(db, args...) | ||
| if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
| return 0 | ||
| } | ||
|
|
||
| func getJobs(db *bbolt.DB, versions ...string) (jobs []*bencher.Job, err error) { | ||
| err = db.View(func(tx *bbolt.Tx) error { | ||
| bJobs := tx.Bucket(bencher.KeyJob) | ||
| if bJobs == nil { | ||
| return nil | ||
| } | ||
| for _, v := range versions { | ||
| b := bJobs.Get([]byte(v)) | ||
| if b == nil { | ||
| continue | ||
| } | ||
| j := &bencher.Job{} | ||
| json.Unmarshal(b, j) | ||
| jobs = append(jobs, j) | ||
| } | ||
| return nil | ||
| }) | ||
| return | ||
| } | ||
|
|
||
| func (cmd *cmpCmd) cmp(db *bbolt.DB, versions ...string) error { | ||
| jobs, err := getJobs(db, versions...) | ||
| if err != nil { | ||
| return errors.Wrap(err, "getJobs") | ||
| } | ||
| c := &benchstat.Collection{} | ||
| for _, job := range jobs { | ||
| if job.Status() != "done" { | ||
| continue | ||
| } | ||
| fmt.Println(job.Stdout) | ||
| err := c.AddFile(job.Version, bytes.NewBufferString(job.Stdout)) | ||
| if err != nil { | ||
| return errors.Wrap(err, "benchstat.Collection.AddFile: %v") | ||
| } | ||
| } | ||
| var buf bytes.Buffer | ||
| benchstat.FormatText(&buf, c.Tables()) | ||
| _, err = os.Stdout.Write(buf.Bytes()) | ||
| return errors.Wrap(err, "os.Stdout.Write") | ||
| } | ||
|
|
||
| func (cmd *cmpCmd) Synopsis() string { | ||
| return `compare two or more versions` | ||
| } | ||
|
|
||
| func (cmd *cmpCmd) Help() string { | ||
| return `Usage: bencher cmp <version1> <version2> [version3] [...] | ||
| Compare two or more versions with benchstat` | ||
| } |