grafana/k6 · error

invalid summary mode

Error message

invalid summary mode

What it means

Error "invalid summary mode" thrown in grafana/k6.

Source

Thrown at internal/lib/summary/summary.go:22

	"errors"
	"time"

	"go.k6.io/k6/v2/metrics"
)

// A Mode specifies the mode of the Summary,
// which defines how the end-of-test summary will be rendered.
type Mode int

// Possible values for SummaryMode.
const (
	ModeCompact  = Mode(iota) // Compact mode that only displays the total results.
	ModeFull                  // Extended mode that displays total and partial results.
	ModeDisabled              // Disabled. Can be used with --summary-mode=disabled.
)

// ErrInvalidSummaryMode indicates the serialized summary mode is invalid.
var ErrInvalidSummaryMode = errors.New("invalid summary mode")

const (
	compactString  = "compact"
	fullString     = "full"
	disabledString = "disabled"
)

// MarshalJSON serializes a Mode as a human-readable string.
func (m Mode) MarshalJSON() ([]byte, error) {
	txt, err := m.MarshalText()
	if err != nil {
		return nil, err
	}
	return []byte(`"` + string(txt) + `"`), nil
}

// MarshalText serializes a Mode as a human-readable string.
func (m Mode) MarshalText() ([]byte, error) {

View on GitHub (pinned to 93accf6570)

When it happens

Trigger: Thrown at internal/lib/summary/summary.go:22 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/722054d5beda7a2d. Report an issue: GitHub.