// in the trace.
	markWorkerLabels [2][len(gcMarkWorkerModeStrings)]traceArg
	goStopReasons    [2][len(traceGoStopReasonStrings)]traceArg
	goBlockReasons   [2][len(traceBlockReasonStrings)]traceArg

	// enabled indicates whether tracing is enabled, but it is only an optimization,
	// NOT the source of truth on whether tracing is enabled. Tracing is only truly

	traceBlockChanRecv
	traceBlockGCMarkAssist
	traceBlockGCSweep
	traceBlockSystemGoroutine
	traceBlockPreempted
	traceBlockDebugCall
	traceBlockUntilGCEnds
	traceBlockSleep
)

var traceBlockReasonStrings = [...]string{
	traceBlockGeneric:         "unspecified",
	traceBlockForever:         "forever",
	traceBlockNet:             "network",
	traceBlockSelect:          "select",