grafana/k6 · error

invalid summary time unit '%s', use 's', 'ms' or 'us'

Error message

invalid summary time unit '%s', use 's', 'ms' or 'us'

What it means

Error "invalid summary time unit '%s', use 's', 'ms' or 'us'" thrown in grafana/k6.

Source

Thrown at internal/cmd/options.go:208

	if flags.Changed("summary-trend-stats") {
		trendStats, errSts := flags.GetStringSlice("summary-trend-stats")
		if errSts != nil {
			return opts, errSts
		}
		if _, errSts = metrics.GetResolversForTrendColumns(trendStats); errSts != nil {
			return opts, errSts
		}
		opts.SummaryTrendStats = trendStats
	}

	summaryTimeUnit, err := flags.GetString("summary-time-unit")
	if err != nil {
		return opts, err
	}
	if summaryTimeUnit != "" {
		if summaryTimeUnit != "s" && summaryTimeUnit != "ms" && summaryTimeUnit != "us" {
			return opts, fmt.Errorf("invalid summary time unit '%s', use 's', 'ms' or 'us'", summaryTimeUnit)
		}
		opts.SummaryTimeUnit = null.StringFrom(summaryTimeUnit)
	}

	runTags, err := flags.GetStringArray("tag")
	if err != nil {
		return opts, err
	}

	if len(runTags) > 0 {
		parsedRunTags := make(map[string]string, len(runTags))
		for _, s := range runTags {
			var name, value string
			name, value, err = parseTagNameValue(s)
			if err != nil {
				return opts, fmt.Errorf("error parsing tag '%s': %w", s, err)
			}
			parsedRunTags[name] = value

View on GitHub (pinned to 93accf6570)

When it happens

Trigger: Thrown at internal/cmd/options.go:208 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of grafana/k6@93accf6570 (2026-08-15). Data as JSON: /api/errors/2a096d9dbd3e513e. Report an issue: GitHub.