// Fetch fetches memory metrics from the OS.
func (m *MetricSet) Fetch(host string) (event common.MapStr, err error) {
memStat, err := system.GetMemory()
if err != nil {
return nil, errors.Wrap(err, "memory")
}
system.AddMemPercentage(memStat)
swapStat, err := system.GetSwap()
if err != nil {
return nil, errors.Wrap(err, "swap")
}
system.AddSwapPercentage(swapStat)
return common.MapStr{
"mem": system.GetMemoryEvent(memStat),
"swap": system.GetSwapEvent(swapStat),
}, nil
}
func (m *MetricSeter) Fetch(ms *helper.MetricSet, host string) (event common.MapStr, err error) {
memStat, err := system.GetMemory()
if err != nil {
logp.Warn("Getting memory details: %v", err)
return nil, err
}
swapStat, err := system.GetSwap()
if err != nil {
logp.Warn("Getting swap details: %v", err)
return nil, err
}
event = common.MapStr{
"mem": system.GetMemoryEvent(memStat),
"swap": system.GetSwapEvent(swapStat),
}
return event, nil
}