376 lines
11 KiB
Go
376 lines
11 KiB
Go
// +build windows
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package collector
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import (
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"strings"
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"github.com/prometheus/client_golang/prometheus"
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)
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func init() {
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var deps string
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// See below for 6.05 magic value
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if getWindowsVersion() > 6.05 {
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deps = "Processor Information"
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} else {
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deps = "Processor"
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}
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registerCollector("cpu", newCPUCollector, deps)
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}
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type cpuCollectorBasic struct {
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CStateSecondsTotal *prometheus.Desc
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TimeTotal *prometheus.Desc
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InterruptsTotal *prometheus.Desc
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DPCsTotal *prometheus.Desc
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}
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type cpuCollectorFull struct {
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CStateSecondsTotal *prometheus.Desc
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TimeTotal *prometheus.Desc
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InterruptsTotal *prometheus.Desc
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DPCsTotal *prometheus.Desc
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ClockInterruptsTotal *prometheus.Desc
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IdleBreakEventsTotal *prometheus.Desc
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ParkingStatus *prometheus.Desc
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ProcessorFrequencyMHz *prometheus.Desc
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ProcessorMaxFrequencyMHz *prometheus.Desc
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ProcessorPerformance *prometheus.Desc
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}
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// newCPUCollector constructs a new cpuCollector, appropriate for the running OS
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func newCPUCollector() (Collector, error) {
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const subsystem = "cpu"
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version := getWindowsVersion()
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// For Windows 2008 (version 6.0) or earlier we only have the "Processor"
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// class. As of Windows 2008 R2 (version 6.1) the more detailed
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// "Processor Information" set is available (although some of the counters
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// are added in later versions, so we aren't guaranteed to get all of
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// them).
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// Value 6.05 was selected to split between Windows versions.
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if version < 6.05 {
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return &cpuCollectorBasic{
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CStateSecondsTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "cstate_seconds_total"),
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"Time spent in low-power idle state",
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[]string{"core", "state"},
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nil,
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),
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TimeTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "time_total"),
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"Time that processor spent in different modes (idle, user, system, ...)",
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[]string{"core", "mode"},
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nil,
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),
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InterruptsTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "interrupts_total"),
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"Total number of received and serviced hardware interrupts",
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[]string{"core"},
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nil,
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),
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DPCsTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "dpcs_total"),
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"Total number of received and serviced deferred procedure calls (DPCs)",
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[]string{"core"},
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nil,
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),
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}, nil
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}
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return &cpuCollectorFull{
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CStateSecondsTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "cstate_seconds_total"),
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"Time spent in low-power idle state",
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[]string{"core", "state"},
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nil,
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),
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TimeTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "time_total"),
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"Time that processor spent in different modes (idle, user, system, ...)",
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[]string{"core", "mode"},
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nil,
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),
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InterruptsTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "interrupts_total"),
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"Total number of received and serviced hardware interrupts",
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[]string{"core"},
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nil,
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),
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DPCsTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "dpcs_total"),
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"Total number of received and serviced deferred procedure calls (DPCs)",
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[]string{"core"},
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nil,
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),
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ClockInterruptsTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "clock_interrupts_total"),
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"Total number of received and serviced clock tick interrupts",
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[]string{"core"},
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nil,
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),
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IdleBreakEventsTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "idle_break_events_total"),
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"Total number of time processor was woken from idle",
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[]string{"core"},
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nil,
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),
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ParkingStatus: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "parking_status"),
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"Parking Status represents whether a processor is parked or not",
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[]string{"core"},
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nil,
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),
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ProcessorFrequencyMHz: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "core_frequency_mhz"),
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"Core frequency in megahertz",
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[]string{"core"},
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nil,
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),
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ProcessorPerformance: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "processor_performance"),
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"Processor Performance is the average performance of the processor while it is executing instructions, as a percentage of the nominal performance of the processor. On some processors, Processor Performance may exceed 100%",
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[]string{"core"},
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nil,
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),
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}, nil
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}
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type perflibProcessor struct {
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Name string
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C1Transitions float64 `perflib:"C1 Transitions/sec"`
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C2Transitions float64 `perflib:"C2 Transitions/sec"`
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C3Transitions float64 `perflib:"C3 Transitions/sec"`
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DPCRate float64 `perflib:"DPC Rate"`
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DPCsQueued float64 `perflib:"DPCs Queued/sec"`
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Interrupts float64 `perflib:"Interrupts/sec"`
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PercentC2Time float64 `perflib:"% C1 Time"`
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PercentC3Time float64 `perflib:"% C2 Time"`
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PercentC1Time float64 `perflib:"% C3 Time"`
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PercentDPCTime float64 `perflib:"% DPC Time"`
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PercentIdleTime float64 `perflib:"% Idle Time"`
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PercentInterruptTime float64 `perflib:"% Interrupt Time"`
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PercentPrivilegedTime float64 `perflib:"% Privileged Time"`
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PercentProcessorTime float64 `perflib:"% Processor Time"`
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PercentUserTime float64 `perflib:"% User Time"`
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}
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func (c *cpuCollectorBasic) Collect(ctx *ScrapeContext, ch chan<- prometheus.Metric) error {
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data := make([]perflibProcessor, 0)
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err := unmarshalObject(ctx.perfObjects["Processor"], &data)
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if err != nil {
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return err
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}
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for _, cpu := range data {
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if strings.Contains(strings.ToLower(cpu.Name), "_total") {
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continue
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}
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core := cpu.Name
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ch <- prometheus.MustNewConstMetric(
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c.CStateSecondsTotal,
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prometheus.CounterValue,
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cpu.PercentC1Time,
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core, "c1",
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)
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ch <- prometheus.MustNewConstMetric(
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c.CStateSecondsTotal,
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prometheus.CounterValue,
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cpu.PercentC2Time,
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core, "c2",
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)
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ch <- prometheus.MustNewConstMetric(
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c.CStateSecondsTotal,
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prometheus.CounterValue,
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cpu.PercentC3Time,
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core, "c3",
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)
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ch <- prometheus.MustNewConstMetric(
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c.TimeTotal,
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prometheus.CounterValue,
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cpu.PercentIdleTime,
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core, "idle",
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)
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ch <- prometheus.MustNewConstMetric(
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c.TimeTotal,
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prometheus.CounterValue,
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cpu.PercentInterruptTime,
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core, "interrupt",
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)
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ch <- prometheus.MustNewConstMetric(
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c.TimeTotal,
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prometheus.CounterValue,
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cpu.PercentDPCTime,
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core, "dpc",
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)
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ch <- prometheus.MustNewConstMetric(
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c.TimeTotal,
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prometheus.CounterValue,
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cpu.PercentPrivilegedTime,
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core, "privileged",
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)
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ch <- prometheus.MustNewConstMetric(
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c.TimeTotal,
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prometheus.CounterValue,
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cpu.PercentUserTime,
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core, "user",
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)
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ch <- prometheus.MustNewConstMetric(
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c.InterruptsTotal,
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prometheus.CounterValue,
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cpu.Interrupts,
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core,
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)
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ch <- prometheus.MustNewConstMetric(
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c.DPCsTotal,
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prometheus.CounterValue,
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cpu.DPCsQueued,
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core,
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)
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}
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return nil
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}
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type perflibProcessorInformation struct {
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Name string
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C1TimeSeconds float64 `perflib:"% C1 Time"`
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C2TimeSeconds float64 `perflib:"% C2 Time"`
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C3TimeSeconds float64 `perflib:"% C3 Time"`
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C1TransitionsTotal float64 `perflib:"C1 Transitions/sec"`
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C2TransitionsTotal float64 `perflib:"C2 Transitions/sec"`
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C3TransitionsTotal float64 `perflib:"C3 Transitions/sec"`
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ClockInterruptsTotal float64 `perflib:"Clock Interrupts/sec"`
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DPCsQueuedTotal float64 `perflib:"DPCs Queued/sec"`
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DPCTimeSeconds float64 `perflib:"% DPC Time"`
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IdleBreakEventsTotal float64 `perflib:"Idle Break Events/sec"`
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IdleTimeSeconds float64 `perflib:"% Idle Time"`
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InterruptsTotal float64 `perflib:"Interrupts/sec"`
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InterruptTimeSeconds float64 `perflib:"% Interrupt Time"`
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ParkingStatus float64 `perflib:"Parking Status"`
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PerformanceLimitPercent float64 `perflib:"% Performance Limit"`
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PriorityTimeSeconds float64 `perflib:"% Priority Time"`
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PrivilegedTimeSeconds float64 `perflib:"% Privileged Time"`
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PrivilegedUtilitySeconds float64 `perflib:"% Privileged Utility"`
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ProcessorFrequencyMHz float64 `perflib:"Processor Frequency"`
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ProcessorPerformance float64 `perflib:"% Processor Performance"`
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ProcessorTimeSeconds float64 `perflib:"% Processor Time"`
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ProcessorUtilityRate float64 `perflib:"% Processor Utility"`
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UserTimeSeconds float64 `perflib:"% User Time"`
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}
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func (c *cpuCollectorFull) Collect(ctx *ScrapeContext, ch chan<- prometheus.Metric) error {
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data := make([]perflibProcessorInformation, 0)
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err := unmarshalObject(ctx.perfObjects["Processor Information"], &data)
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if err != nil {
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return err
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}
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for _, cpu := range data {
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if strings.Contains(strings.ToLower(cpu.Name), "_total") {
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continue
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}
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core := cpu.Name
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ch <- prometheus.MustNewConstMetric(
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c.CStateSecondsTotal,
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prometheus.CounterValue,
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cpu.C1TimeSeconds,
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core, "c1",
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)
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ch <- prometheus.MustNewConstMetric(
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c.CStateSecondsTotal,
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prometheus.CounterValue,
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cpu.C2TimeSeconds,
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core, "c2",
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)
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ch <- prometheus.MustNewConstMetric(
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c.CStateSecondsTotal,
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prometheus.CounterValue,
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cpu.C3TimeSeconds,
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core, "c3",
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)
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ch <- prometheus.MustNewConstMetric(
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c.TimeTotal,
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prometheus.CounterValue,
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cpu.IdleTimeSeconds,
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core, "idle",
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)
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ch <- prometheus.MustNewConstMetric(
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c.TimeTotal,
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prometheus.CounterValue,
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cpu.InterruptTimeSeconds,
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core, "interrupt",
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)
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ch <- prometheus.MustNewConstMetric(
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c.TimeTotal,
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prometheus.CounterValue,
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cpu.DPCTimeSeconds,
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core, "dpc",
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)
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ch <- prometheus.MustNewConstMetric(
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c.TimeTotal,
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prometheus.CounterValue,
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cpu.PrivilegedTimeSeconds,
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core, "privileged",
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)
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ch <- prometheus.MustNewConstMetric(
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c.TimeTotal,
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prometheus.CounterValue,
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cpu.UserTimeSeconds,
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core, "user",
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)
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ch <- prometheus.MustNewConstMetric(
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c.InterruptsTotal,
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prometheus.CounterValue,
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cpu.InterruptsTotal,
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core,
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)
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ch <- prometheus.MustNewConstMetric(
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c.DPCsTotal,
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prometheus.CounterValue,
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cpu.DPCsQueuedTotal,
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core,
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)
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ch <- prometheus.MustNewConstMetric(
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c.ClockInterruptsTotal,
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prometheus.CounterValue,
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cpu.ClockInterruptsTotal,
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core,
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)
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ch <- prometheus.MustNewConstMetric(
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c.IdleBreakEventsTotal,
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prometheus.CounterValue,
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cpu.IdleBreakEventsTotal,
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core,
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)
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ch <- prometheus.MustNewConstMetric(
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c.ParkingStatus,
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prometheus.GaugeValue,
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cpu.ParkingStatus,
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core,
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)
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ch <- prometheus.MustNewConstMetric(
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c.ProcessorFrequencyMHz,
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prometheus.GaugeValue,
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cpu.ProcessorFrequencyMHz,
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core,
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)
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ch <- prometheus.MustNewConstMetric(
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c.ProcessorPerformance,
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prometheus.GaugeValue,
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cpu.ProcessorPerformance,
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core,
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)
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}
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return nil
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}
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