const runtime.gcBackgroundUtilization

5 uses

	runtime (current package)
		mgclimit.go#L232: 		windowGCTime += int64(float64(windowTotalTime) * gcBackgroundUtilization)
		mgcpacer.go#L21: 	gcGoalUtilization = gcBackgroundUtilization
		mgcpacer.go#L37: 	gcBackgroundUtilization = 0.25
		mgcpacer.go#L401: 	totalUtilizationGoal := float64(procs) * gcBackgroundUtilization
		mgcpacer.go#L607: 	utilization := gcBackgroundUtilization