for _, e := range t {
			if e.Flat != 0 {
				count++
			}
		}
	}
	return count
}

// RemoveRedundantEdges removes residual edges if the destination can
// be reached through another path. This is done to simplify the graph
// while preserving connectivity.
func (g *Graph) RemoveRedundantEdges() {
	// Walk the nodes and outgoing edges in reverse order to prefer
	// removing edges with the lowest weight.

	// the graph.
	g.TrimLowFrequencyTags(nodeCutoff)
	droppedEdges = g.TrimLowFrequencyEdges(edgeCutoff)
	if visualMode {
		g.RemoveRedundantEdges()
	}
	return
}

func (rpt *Report) selectOutputUnit(g *graph.Graph) {
	o := rpt.options

	// Select best unit for profile output.
	// Find the appropriate units for the smallest non-zero sample