working support for non-node scoped metrics; caching

This commit is contained in:
Lou Knauer
2022-01-17 13:33:35 +01:00
parent 7f3bbdd576
commit ef91f862c9
7 changed files with 293 additions and 133 deletions

View File

@@ -21,7 +21,7 @@ type MetricDataRepository struct {
// If no hwthreads other than those in the argument list are assigned to
// one of the sockets in the first return value, return true as the second value.
// TODO: Optimize this, there must be a more efficient way/algorithm.
func (topo *Topology) GetSockets(hwthreads []int) (sockets []int, exclusive bool) {
func (topo *Topology) GetSocketsFromHWThreads(hwthreads []int) (sockets []int, exclusive bool) {
socketsMap := map[int]int{}
for _, hwthread := range hwthreads {
for socket, hwthreadsInSocket := range topo.Socket {
@@ -43,3 +43,31 @@ func (topo *Topology) GetSockets(hwthreads []int) (sockets []int, exclusive bool
return sockets, exclusive
}
// Return a list of core IDs given a list of hwthread IDs.
// Even if just one hwthread is in that core, add it to the list.
// If no hwthreads other than those in the argument list are assigned to
// one of the cores in the first return value, return true as the second value.
// TODO: Optimize this, there must be a more efficient way/algorithm.
func (topo *Topology) GetCoresFromHWThreads(hwthreads []int) (cores []int, exclusive bool) {
coresMap := map[int]int{}
for _, hwthread := range hwthreads {
for core, hwthreadsInCore := range topo.Core {
for _, hwthreadInCore := range hwthreadsInCore {
if hwthread == hwthreadInCore {
coresMap[core] += 1
}
}
}
}
exclusive = true
hwthreadsPerCore := len(topo.Node) / len(topo.Core)
cores = make([]int, 0, len(coresMap))
for core, count := range coresMap {
cores = append(cores, core)
exclusive = exclusive && count == hwthreadsPerCore
}
return cores, exclusive
}