Esempio n. 1
0
File: pprof.go Progetto: gmwu/go
// symbolize attempts to symbolize profile p.
// If the source is a local binary, it tries using symbolizer and obj.
// If the source is a URL, it fetches symbol information using symbolz.
func symbolize(mode, source string, p *profile.Profile, obj plugin.ObjTool, ui plugin.UI) error {
	remote, local := true, true
	for _, o := range strings.Split(strings.ToLower(mode), ":") {
		switch o {
		case "none", "no":
			return nil
		case "local":
			remote, local = false, true
		case "remote":
			remote, local = true, false
		default:
			ui.PrintErr("ignoring unrecognized symbolization option: " + mode)
			ui.PrintErr("expecting -symbolize=[local|remote|none][:force]")
			fallthrough
		case "", "force":
			// Ignore these options, -force is recognized by symbolizer.Symbolize
		}
	}

	var err error
	if local {
		// Symbolize using binutils.
		if err = symbolizer.Symbolize(mode, p, obj, ui); err == nil {
			return nil
		}
	}
	if remote {
		err = symbolz.Symbolize(source, fetch.PostURL, p)
	}
	return err
}
Esempio n. 2
0
// symbolize attempts to symbolize profile p.
// If the source is a local binary, it tries using symbolizer and obj.
// If the source is a URL, it fetches symbol information using symbolz.
func symbolize(mode, source string, p *profile.Profile, obj plugin.ObjTool, ui plugin.UI) error {
	remote, local := true, true
	for _, o := range strings.Split(strings.ToLower(mode), ":") {
		switch o {
		case "none", "no":
			return nil
		case "local":
			remote, local = false, true
		case "remote":
			remote, local = true, false
		default:
			ui.PrintErr("ignoring unrecognized symbolization option: " + mode)
			ui.PrintErr("expecting -symbolize=[local|remote|none][:force]")
			fallthrough
		case "", "force":
			// -force is recognized by symbolizer.Symbolize.
			// If the source is remote, and the mapping file
			// does not exist, don't use local symbolization.
			if isRemote(source) {
				if len(p.Mapping) == 0 {
					local = false
				} else if _, err := os.Stat(p.Mapping[0].File); err != nil {
					local = false
				}
			}
		}
	}

	var err error
	if local {
		// Symbolize using binutils.
		if err = symbolizer.Symbolize(mode, p, obj, ui); err == nil {
			return nil
		}
	}
	if remote {
		err = symbolz.Symbolize(source, fetch.PostURL, p)
	}
	return err
}