const internal/trace/tracev2.EvSpan

3 uses

	internal/trace/tracev2 (current package)
		events.go#L125: 	EvSpan      // heap span exists [timestamp, id, npages, type/class]
		events.go#L444: 	EvSpan: {

	runtime
		traceallocfree.go#L94: 	tl.eventWriter(tracev2.GoRunning, tracev2.ProcRunning).event(tracev2.EvSpan, traceSpanID(s), traceArg(s.npages), traceSpanTypeAndClass(s))