func (c *Config) SetTopologySingleVirtualNUMA(numas host.NUMANodes, singleNuma bool) error {
// file, _ := os.Create("/tmp/1SetTopologyMultipleVirtualNUMAs.txt")
// defer file.Close()
// file.WriteString("SetTopologySingleVirtualNUMA\n")
if c.CPUs == 0 {
return errors.New("A data memeber (CPUs) is not initialized")
}
if c.RamMb == 0 {
return errors.New("A data memeber (RamMb) is not initialized")
}
c.NUMAs = nil
gn := new(NUMA)
gn.CellID = 0
gn.MemoryMb = c.RamMb
gn.NICs = nil
gn.CPUPin = make(map[int][]int, 0)
nicNumaMapping, _ := numaNicsMapping(c, numas)
for _, n := range numas {
l, ok := nicNumaMapping[n.CellID]
if ok {
gn.NICs.AppendList(l)
}
}
if singleNuma {
// file.WriteString("SetTopologySingleVirtualNUMA singleNuma\n")
cpusNuma0, err := numas.CpusOnNUMA(0)
if err != nil {
// file.WriteString("SetTopologySingleVirtualNUMA cpusNuma0 err: " + err.Error() + "\n")
return err
}
// file.WriteString("SetTopologySingleVirtualNUMA len(cpusNuma0): " + strconv.Itoa(len(cpusNuma0)) + "\n")
// file.WriteString("SetTopologySingleVirtualNUMA c.CPUs: " + strconv.Itoa(c.CPUs) + "\n")
if c.CPUs <= len(cpusNuma0) {
// file.WriteString("c.CPUs <= len(cpusNuma0) \n")
for i := 0; i < c.CPUs; i++ {
gn.CPUPin[i] = append(gn.CPUPin[i], i)
}
} else {
// file.WriteString("c.CPUs > len(cpusNuma0) \n")
for i := 0; i < c.CPUs; i++ {
gn.CPUPin[i] = append(gn.CPUPin[i], i)
}
}
c.HostNUMAIds = []int{0}
} else {
// file.WriteString("SetTopologySingleVirtualNUMA not singleNuma\n")
// file.WriteString("SetTopologySingleVirtualNUMA c.CPUs " + strconv.Itoa(c.CPUs) + "\n")
for i := 0; i < c.CPUs; i++ {
// file.WriteString("SetTopologySingleVirtualNUMA i: " + strconv.Itoa(i) + "\n")
for _, n := range numas {
gn.CPUPin[i] = append(gn.CPUPin[i], n.CPUs...)
c.HostNUMAIds = append(c.HostNUMAIds, n.CellID)
}
}
}
c.NUMAs = append(c.NUMAs, gn)
return nil
}
