func getBlockStats(domain *libvirtgo.VirDomain, virDomain *VirDomain) (types.BlkioStats, error) {
stats := types.BlkioStats{
IoServiceBytesRecursive: make([]types.BlkioStatEntry, 0, 1),
IoServicedRecursive: make([]types.BlkioStatEntry, 0, 1),
}
for _, blk := range virDomain.Devices.Disks {
blkStats, err := domain.BlockStats(blk.Target.Dev)
if err != nil {
return stats, err
}
major, minor, err := getBlockNumber(blk.Source.File)
if err != nil {
return stats, err
}
sourceDevice := blk.Source.File
if len(sourceDevice) == 0 {
sourceDevice = blk.Source.Name
}
stats.IoServiceBytesRecursive = append(stats.IoServiceBytesRecursive, types.BlkioStatEntry{
Name: blk.Target.Dev,
Type: blk.Type,
Source: sourceDevice,
Major: major,
Minor: minor,
Stat: map[string]uint64{
"Read": uint64(blkStats.RdBytes),
"Write": uint64(blkStats.WrBytes),
},
})
stats.IoServicedRecursive = append(stats.IoServicedRecursive, types.BlkioStatEntry{
Name: blk.Target.Dev,
Type: blk.Type,
Source: sourceDevice,
Major: major,
Minor: minor,
Stat: map[string]uint64{
"Read": uint64(blkStats.RdReq),
"Write": uint64(blkStats.WrReq),
},
})
}
return stats, nil
}
