const runtime.traceBlockGCSweep

4 uses

	runtime (current package)
		mgcsweep.go#L279: 	goparkunlock(&sweep.lock, waitReasonGCSweepWait, traceBlockGCSweep, 1)
		mgcsweep.go#L323: 		goparkunlock(&sweep.lock, waitReasonGCSweepWait, traceBlockGCSweep, 1)
		traceruntime.go#L99: 	traceBlockGCSweep
		traceruntime.go#L119: 	traceBlockGCSweep:            "GC background sweeper wait",

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