mirror of
https://github.com/prometheus-community/windows_exporter
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os: expose Win32_ComputerSystem and Win32_PerfRawData_PerfOS_System
This commit is contained in:
Martin Lindhe
parent
29beaa6c3b
commit
52592bb097
77
collector/cs.go
Normal file
77
collector/cs.go
Normal file
@ -0,0 +1,77 @@
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// returns data points from Win32_ComputerSystem
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// https://msdn.microsoft.com/en-us/library/aa394102 - Win32_ComputerSystem class
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package collector
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import (
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"log"
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"github.com/StackExchange/wmi"
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"github.com/prometheus/client_golang/prometheus"
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)
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func init() {
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Factories["cs"] = NewCSCollector
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}
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// A CSCollector is a Prometheus collector for WMI metrics
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type CSCollector struct {
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PhysicalMemoryBytes *prometheus.Desc
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LogicalProcessors *prometheus.Desc
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}
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// NewCSCollector ...
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func NewCSCollector() (Collector, error) {
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const subsystem = "cs"
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return &CSCollector{
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LogicalProcessors: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "logical_processors"),
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"ComputerSystem.NumberOfLogicalProcessors",
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nil,
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nil,
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),
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PhysicalMemoryBytes: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "physical_memory_bytes"),
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"ComputerSystem.TotalPhysicalMemory",
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nil,
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nil,
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),
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}, nil
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}
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// Collect sends the metric values for each metric
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// to the provided prometheus Metric channel.
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func (c *CSCollector) Collect(ch chan<- prometheus.Metric) error {
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if desc, err := c.collect(ch); err != nil {
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log.Println("[ERROR] failed collecting cs metrics:", desc, err)
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return err
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}
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return nil
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}
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type Win32_ComputerSystem struct {
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NumberOfLogicalProcessors uint32
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TotalPhysicalMemory uint64
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}
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func (c *CSCollector) collect(ch chan<- prometheus.Metric) (*prometheus.Desc, error) {
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var dst []Win32_ComputerSystem
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if err := wmi.Query(wmi.CreateQuery(&dst, ""), &dst); err != nil {
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return nil, err
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}
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ch <- prometheus.MustNewConstMetric(
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c.LogicalProcessors,
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prometheus.GaugeValue,
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float64(dst[0].NumberOfLogicalProcessors),
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)
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ch <- prometheus.MustNewConstMetric(
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c.PhysicalMemoryBytes,
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prometheus.GaugeValue,
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float64(dst[0].TotalPhysicalMemory),
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)
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return nil, nil
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}
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@ -14,93 +14,82 @@ func init() {
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Factories["os"] = NewOSCollector
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}
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// A OSCollector is a Prometheus collector for WMI Win32_OperatingSystem metrics
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// A OSCollector is a Prometheus collector for WMI metrics
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type OSCollector struct {
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PhysicalMemoryFreeBytes *prometheus.Desc
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PagingFreeBytes *prometheus.Desc
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VirtualMemoryFreeBytes *prometheus.Desc
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ProcessesMax *prometheus.Desc
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ProcessMemoryMaxBytes *prometheus.Desc
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ProcessesLimit *prometheus.Desc
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ProcessMemoryLimitBytes *prometheus.Desc
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Processes *prometheus.Desc
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Users *prometheus.Desc
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PagingMaxBytes *prometheus.Desc
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PagingLimitBytes *prometheus.Desc
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VirtualMemoryBytes *prometheus.Desc
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VisibleMemoryBytes *prometheus.Desc
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}
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// NewOSCollector ...
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func NewOSCollector() (Collector, error) {
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const subsystem = "os"
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return &OSCollector{
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PagingMaxBytes: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "paging_max_bytes"),
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"SizeStoredInPagingFiles",
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PagingLimitBytes: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "paging_limit_bytes"),
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"OperatingSystem.SizeStoredInPagingFiles",
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nil,
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nil,
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),
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PagingFreeBytes: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "paging_free_bytes"),
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"FreeSpaceInPagingFiles",
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"OperatingSystem.FreeSpaceInPagingFiles",
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nil,
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nil,
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),
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PhysicalMemoryFreeBytes: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "physical_memory_free_bytes"),
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"FreePhysicalMemory",
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"OperatingSystem.FreePhysicalMemory",
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nil,
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nil,
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),
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Processes: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "processes"),
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"NumberOfProcesses",
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"OperatingSystem.NumberOfProcesses",
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nil,
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nil,
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),
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ProcessesMax: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "processes_max"),
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"MaxNumberOfProcesses",
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ProcessesLimit: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "processes_limit"),
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"OperatingSystem.MaxNumberOfProcesses",
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nil,
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nil,
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),
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ProcessMemoryMaxBytes: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "process_memory_max_bytes"),
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"MaxProcessMemorySize",
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ProcessMemoryLimitBytes: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "process_memory_limix_bytes"),
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"OperatingSystem.MaxProcessMemorySize",
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nil,
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nil,
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),
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Users: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "users"),
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"NumberOfUsers",
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"OperatingSystem.NumberOfUsers",
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nil,
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nil,
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),
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VirtualMemoryBytes: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "virtual_memory_bytes"),
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"TotalVirtualMemorySize",
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"OperatingSystem.TotalVirtualMemorySize",
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nil,
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nil,
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),
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VisibleMemoryBytes: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "visible_memory_bytes"),
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"TotalVisibleMemorySize",
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"OperatingSystem.TotalVisibleMemorySize",
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nil,
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nil,
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),
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VirtualMemoryFreeBytes: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "virtual_memory_free_bytes"),
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"FreeVirtualMemory",
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"OperatingSystem.FreeVirtualMemory",
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nil,
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nil,
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),
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@ -132,8 +121,7 @@ type Win32_OperatingSystem struct {
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func (c *OSCollector) collect(ch chan<- prometheus.Metric) (*prometheus.Desc, error) {
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var dst []Win32_OperatingSystem
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q := wmi.CreateQuery(&dst, "")
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if err := wmi.Query(q, &dst); err != nil {
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if err := wmi.Query(wmi.CreateQuery(&dst, ""), &dst); err != nil {
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return nil, err
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}
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@ -156,13 +144,13 @@ func (c *OSCollector) collect(ch chan<- prometheus.Metric) (*prometheus.Desc, er
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)
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ch <- prometheus.MustNewConstMetric(
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c.ProcessesMax,
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c.ProcessesLimit,
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prometheus.GaugeValue,
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float64(dst[0].MaxNumberOfProcesses),
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)
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ch <- prometheus.MustNewConstMetric(
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c.ProcessMemoryMaxBytes,
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c.ProcessMemoryLimitBytes,
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prometheus.GaugeValue,
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float64(dst[0].MaxProcessMemorySize*1024), // KiB -> bytes
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)
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@ -180,7 +168,7 @@ func (c *OSCollector) collect(ch chan<- prometheus.Metric) (*prometheus.Desc, er
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)
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ch <- prometheus.MustNewConstMetric(
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c.PagingMaxBytes,
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c.PagingLimitBytes,
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prometheus.GaugeValue,
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float64(dst[0].SizeStoredInPagingFiles*1024), // KiB -> bytes
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)
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125
collector/system.go
Normal file
125
collector/system.go
Normal file
@ -0,0 +1,125 @@
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// returns data points from Win32_PerfRawData_PerfOS_System class (undocumented)
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package collector
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import (
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"log"
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"github.com/StackExchange/wmi"
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"github.com/prometheus/client_golang/prometheus"
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)
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func init() {
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Factories["perfos"] = NewSystemCollector
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}
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// A PerfOSCollector is a Prometheus collector for WMI metrics
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type SystemCollector struct {
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ContextSwitchesTotal *prometheus.Desc
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ExceptionDispatchesTotal *prometheus.Desc
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ProcessorQueueLength *prometheus.Desc
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SystemCallsTotal *prometheus.Desc
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SystemUpTime *prometheus.Desc
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Threads *prometheus.Desc
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}
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// NewSystemCollector ...
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func NewSystemCollector() (Collector, error) {
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const subsystem = "system"
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return &SystemCollector{
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ContextSwitchesTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "context_switches_total"),
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"PerfOS_System.ContextSwitchesPersec",
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nil,
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nil,
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),
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ExceptionDispatchesTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "exception_dispatches_total"),
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"PerfOS_System.ExceptionDispatchesPersec",
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nil,
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nil,
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),
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ProcessorQueueLength: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "processor_queue_length"),
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"PerfOS_System.ProcessorQueueLength",
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nil,
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nil,
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),
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SystemCallsTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "system_calls_total"),
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"PerfOS_System.SystemCallsPersec",
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nil,
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nil,
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),
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SystemUpTime: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "system_up_time"),
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"PerfOS_System.SystemUpTime",
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nil,
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nil,
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),
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Threads: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "threads"),
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"PerfOS_System.Threads",
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nil,
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nil,
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),
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}, nil
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}
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// Collect sends the metric values for each metric
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// to the provided prometheus Metric channel.
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func (c *SystemCollector) Collect(ch chan<- prometheus.Metric) error {
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if desc, err := c.collect(ch); err != nil {
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log.Println("[ERROR] failed collecting os metrics:", desc, err)
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return err
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}
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return nil
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}
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type Win32_PerfRawData_PerfOS_System struct {
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ContextSwitchesPersec uint32
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ExceptionDispatchesPersec uint32
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ProcessorQueueLength uint32
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SystemCallsPersec uint32
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SystemUpTime uint64
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Threads uint32
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}
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func (c *SystemCollector) collect(ch chan<- prometheus.Metric) (*prometheus.Desc, error) {
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var dst []Win32_PerfRawData_PerfOS_System
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if err := wmi.Query(wmi.CreateQuery(&dst, ""), &dst); err != nil {
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return nil, err
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}
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ch <- prometheus.MustNewConstMetric(
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c.ContextSwitchesTotal,
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prometheus.GaugeValue,
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float64(dst[0].ContextSwitchesPersec),
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)
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ch <- prometheus.MustNewConstMetric(
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c.ExceptionDispatchesTotal,
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prometheus.GaugeValue,
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float64(dst[0].ExceptionDispatchesPersec),
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)
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ch <- prometheus.MustNewConstMetric(
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c.ProcessorQueueLength,
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prometheus.GaugeValue,
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float64(dst[0].ProcessorQueueLength),
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)
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ch <- prometheus.MustNewConstMetric(
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c.SystemCallsTotal,
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prometheus.GaugeValue,
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float64(dst[0].SystemCallsPersec),
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)
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ch <- prometheus.MustNewConstMetric(
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c.SystemUpTime,
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prometheus.GaugeValue,
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float64(dst[0].SystemUpTime),
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)
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ch <- prometheus.MustNewConstMetric(
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c.Threads,
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prometheus.GaugeValue,
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float64(dst[0].Threads),
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)
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return nil, nil
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}
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