func getTasks(vm models.VirtualMachine) {
folder := fmt.Sprint("/proc/", vm.Ppid(), "/task/")
files, _ := ioutil.ReadDir(folder)
for _, f := range files {
taskId := f.Name()
fmt.Printf("%s ", taskId)
}
}
func (collector CpuCollector) Collect(vm models.VirtualMachine) (string, error) {
// new current CPU counters
newSchedStat, err := lookupStats(vm)
if err != nil {
return "", err
}
// get old CPU counters
if oldSchedStat, exists := cpustats[vm.Ppid()]; exists {
// set new stats as old stats for next run
cpustats[vm.Ppid()] = newSchedStat
// calculate diff between new and old counters
cpu_utilisation := newSchedStat.calculateDiff(oldSchedStat)
vCores := len(vm.VCpuTasks())
result := fmt.Sprintf("%d\t%.0f%%\t%.0f%%\t%.0f%%\t%.0f%%",
vCores,
(cpu_utilisation.Avg.Inside * 100),
(cpu_utilisation.Avg.Outside * 100),
(cpu_utilisation.Avg.Steal * 100),
(cpu_utilisation.Avg_other * 100))
return result, nil
} else {
// no measurement yet
// set new stats as old stats for next run
cpustats[vm.Ppid()] = newSchedStat
return "-", nil
}
}