Ejemplo n.º 1
0
func generate(interactive bool, prof *profile.Profile, obj plugin.ObjTool, ui plugin.UI, f *flags) error {
	o, postProcess, err := parseOptions(f)
	if err != nil {
		return err
	}

	var w io.Writer
	if *f.flagOutput == "" {
		w = os.Stdout
	} else {
		ui.PrintErr("Generating report in ", *f.flagOutput)
		outputFile, err := os.Create(*f.flagOutput)
		if err != nil {
			return err
		}
		defer outputFile.Close()
		w = outputFile
	}

	if prof.Empty() {
		return fmt.Errorf("profile is empty")
	}

	value, stype, unit := sampleFormat(prof, f)
	o.SampleType = stype
	rpt := report.New(prof, *o, value, unit)

	// Do not apply filters if we're just generating a proto, so we
	// still have all the data.
	if o.OutputFormat != report.Proto {
		// Delay applying focus/ignore until after creating the report so
		// the report reflects the total number of samples.
		if err := preprocess(prof, ui, f); err != nil {
			return err
		}
	}

	if postProcess == nil {
		return report.Generate(w, rpt, obj)
	}

	var dot bytes.Buffer
	if err = report.Generate(&dot, rpt, obj); err != nil {
		return err
	}

	return postProcess(&dot, w, ui)
}
Ejemplo n.º 2
0
// filter filters the report with a focus regex. If no focus is provided,
// it reports back with the entire set of calls.
// Focus regex works on the package, type and function names. Filtered
// results will include parent samples from the call graph.
func (r *report) filter(cum bool, focus *regexp.Regexp) []string {
	r.mu.Lock()
	defer r.mu.Unlock()
	if r.p == nil {
		return nil
	}
	c := r.p.Copy()
	c.FilterSamplesByName(focus, nil, nil)
	rpt := goreport.NewDefault(c, goreport.Options{
		OutputFormat:   goreport.Text,
		CumSort:        cum,
		PrintAddresses: true,
	})
	buf := bytes.NewBuffer(nil)
	goreport.Generate(buf, rpt, nil)
	return strings.Split(buf.String(), "\n")
}