// interpolateCounts compensates for sampling by artificially inflating counts
// throughout the report. It should be run once for each report, within the
// probe, before it gets emitted into the rest of the system.
func interpolateCounts(r report.Report) {
rate := r.Sampling.Rate()
if rate >= 1.0 {
return
}
factor := 1.0 / rate
for _, topology := range r.Topologies() {
for _, nmd := range topology.Nodes {
nmd.Edges.ForEach(func(_ string, emd report.EdgeMetadata) {
if emd.EgressPacketCount != nil {
*emd.EgressPacketCount = uint64(float64(*emd.EgressPacketCount) * factor)
}
if emd.IngressPacketCount != nil {
*emd.IngressPacketCount = uint64(float64(*emd.IngressPacketCount) * factor)
}
if emd.EgressByteCount != nil {
*emd.EgressByteCount = uint64(float64(*emd.EgressByteCount) * factor)
}
if emd.IngressByteCount != nil {
*emd.IngressByteCount = uint64(float64(*emd.IngressByteCount) * factor)
}
})
}
}
}
