const runtime.traceEvExperimentalBatch

2 uses

	runtime (current package)
		tracebuf.go#L192: 		w.byte(byte(traceEvExperimentalBatch))
		traceevent.go#L93: 	traceEvExperimentalBatch // start of extra data [experiment ID, generation, M ID, timestamp, batch length, batch data...]

The pages are generated with Golds v0.7.6. (GOOS=linux GOARCH=amd64)