const runtime.gcTriggerTime

4 uses

	runtime (current package)
		mgc.go#L534: 	gcTriggerTime
		mgc.go#L556: 	case gcTriggerTime:
		proc.go#L307: 		gcStart(gcTrigger{kind: gcTriggerTime, now: nanotime()})
		proc.go#L5177: 		if t := (gcTrigger{kind: gcTriggerTime, now: now}); t.test() && atomic.Load(&forcegc.idle) != 0 {