const runtime.traceEvGCEnd

2 uses

	runtime (current package)
		traceevent.go#L66: 	traceEvGCEnd              // GC done [timestamp, seq]
		traceruntime.go#L334: 	tl.eventWriter(traceGoRunning, traceProcRunning).event(traceEvGCEnd, traceArg(trace.seqGC))

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