// Fetch fetches CPU metrics from the OS.
func (m *MetricSet) Fetch() (common.MapStr, error) {
stat, err := system.GetCpuTimes()
if err != nil {
return nil, errors.Wrap(err, "cpu times")
}
m.cpu.AddCpuPercentage(stat)
loadStat, err := system.GetSystemLoad()
if err != nil {
return nil, errors.Wrap(err, "load statistics")
}
cpuStat := common.MapStr{
"user": common.MapStr{
"pct": stat.UserPercent,
},
"system": common.MapStr{
"pct": stat.SystemPercent,
},
"idle": common.MapStr{
"pct": stat.IdlePercent,
},
"iowait": common.MapStr{
"pct": stat.IOwaitPercent,
},
"irq": common.MapStr{
"pct": stat.IrqPercent,
},
"nice": common.MapStr{
"pct": stat.NicePercent,
},
"softirq": common.MapStr{
"pct": stat.SoftIrqPercent,
},
"steal": common.MapStr{
"pct": stat.StealPercent,
},
}
if m.cpu.CpuTicks {
cpuStat["user"].(common.MapStr)["ticks"] = stat.User
cpuStat["system"].(common.MapStr)["ticks"] = stat.Sys
cpuStat["nice"].(common.MapStr)["ticks"] = stat.Nice
cpuStat["idle"].(common.MapStr)["ticks"] = stat.Idle
cpuStat["iowait"].(common.MapStr)["ticks"] = stat.Wait
cpuStat["irq"].(common.MapStr)["ticks"] = stat.Irq
cpuStat["softirq"].(common.MapStr)["ticks"] = stat.SoftIrq
cpuStat["steal"].(common.MapStr)["ticks"] = stat.Stolen
}
cpuStat["load"] = common.MapStr{
"1": loadStat.Load1,
"5": loadStat.Load5,
"15": loadStat.Load15,
}
return cpuStat, nil
}
// Fetch fetches CPU metrics from the OS.
func (m *MetricSet) Fetch() (common.MapStr, error) {
cpuStat, err := system.GetCpuTimes()
if err != nil {
return nil, errors.Wrap(err, "cpu times")
}
m.cpu.AddCpuPercentage(cpuStat)
loadStat, err := system.GetSystemLoad()
if err != nil {
return nil, errors.Wrap(err, "load statistics")
}
event := system.GetCpuStatEvent(cpuStat)
event["load"] = loadStat
return event, nil
}