const runtime.traceEvGCMarkAssistBegin

2 uses

	runtime (current package)
		traceevent.go#L71: 	traceEvGCMarkAssistBegin  // GC mark assist start [timestamp, stack ID]
		traceruntime.go#L429: 	tl.eventWriter(traceGoRunning, traceProcRunning).commit(traceEvGCMarkAssistBegin, tl.stack(1))