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system: Metric windows_system_boot_time_timestamp returns a UNIX timestamp again. (#1967)
Signed-off-by: Jan-Otto Kröpke <mail@jkroepke.de> Signed-off-by: Jan-Otto Kröpke <github@jkroepke.de>
This commit is contained in:
Jan-Otto Kröpke
GitHub
parent
bf56e99ad2
commit
ba605cffcc
@ -16,7 +16,7 @@ None
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| Name | Description | Type | Labels |
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|----------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------|--------|
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| `windows_system_boot_time_timestamp_seconds` | Unix timestamp of last system boot | gauge | None |
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| `windows_system_boot_time_timestamp` | Unix timestamp of last system boot | gauge | None |
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| `windows_system_context_switches_total` | Total number of [context switches](https://en.wikipedia.org/wiki/Context_switch) | counter | None |
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| `windows_system_exception_dispatches_total` | Total exceptions dispatched by the system | counter | None |
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| `windows_system_processes` | Number of process contexts currently loaded or running on the operating system | gauge | None |
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@ -41,7 +41,7 @@ windows_system_processes{instance="localhost"}
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## Useful queries
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Find hosts that have rebooted in the last 24 hours
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```
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time() - windows_system_boot_time_timestamp_seconds < 86400
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time() - windows_system_boot_time_timestamp < 86400
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```
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## Alerting examples
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@ -20,8 +20,10 @@ package system
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import (
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"fmt"
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"log/slog"
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"time"
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"github.com/alecthomas/kingpin/v2"
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"github.com/prometheus-community/windows_exporter/internal/headers/kernel32"
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"github.com/prometheus-community/windows_exporter/internal/mi"
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"github.com/prometheus-community/windows_exporter/internal/pdh"
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"github.com/prometheus-community/windows_exporter/internal/types"
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@ -39,6 +41,8 @@ var ConfigDefaults = Config{}
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type Collector struct {
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config Config
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bootTimeTimestamp float64
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perfDataCollector *pdh.Collector
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perfDataObject []perfDataCounterValues
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@ -48,8 +52,10 @@ type Collector struct {
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processes *prometheus.Desc
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processesLimit *prometheus.Desc
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systemCallsTotal *prometheus.Desc
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bootTime *prometheus.Desc
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threads *prometheus.Desc
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// Deprecated: Use windows_system_boot_time_timestamp instead
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bootTimeSeconds *prometheus.Desc
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bootTime *prometheus.Desc
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threads *prometheus.Desc
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}
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func New(config *Config) *Collector {
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@ -80,11 +86,17 @@ func (c *Collector) Close() error {
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func (c *Collector) Build(_ *slog.Logger, _ *mi.Session) error {
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c.bootTime = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "boot_time_timestamp_seconds"),
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prometheus.BuildFQName(types.Namespace, Name, "boot_time_timestamp"),
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"Unix timestamp of system boot time",
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nil,
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nil,
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)
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c.bootTimeSeconds = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "boot_time_timestamp_seconds"),
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"Deprecated: Use windows_system_boot_time_timestamp instead",
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nil,
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nil,
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)
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c.contextSwitchesTotal = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "context_switches_total"),
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"Total number of context switches (WMI source: PerfOS_System.ContextSwitchesPersec)",
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@ -129,6 +141,8 @@ func (c *Collector) Build(_ *slog.Logger, _ *mi.Session) error {
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nil,
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)
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c.bootTimeTimestamp = float64(time.Now().Unix() - int64(kernel32.GetTickCount64()/1000))
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var err error
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c.perfDataCollector, err = pdh.NewCollector[perfDataCounterValues](pdh.CounterTypeRaw, "System", nil)
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@ -172,17 +186,24 @@ func (c *Collector) Collect(ch chan<- prometheus.Metric) error {
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prometheus.CounterValue,
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c.perfDataObject[0].SystemCallsPerSec,
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)
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ch <- prometheus.MustNewConstMetric(
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c.bootTime,
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prometheus.GaugeValue,
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c.perfDataObject[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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c.perfDataObject[0].Threads,
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)
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ch <- prometheus.MustNewConstMetric(
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c.bootTimeSeconds,
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prometheus.GaugeValue,
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c.bootTimeTimestamp,
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)
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ch <- prometheus.MustNewConstMetric(
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c.bootTime,
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prometheus.GaugeValue,
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c.bootTimeTimestamp,
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)
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// Windows has no defined limit, and is based off available resources. This currently isn't calculated by WMI and is set to default value.
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// https://techcommunity.microsoft.com/t5/windows-blog-archive/pushing-the-limits-of-windows-processes-and-threads/ba-p/723824
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// https://docs.microsoft.com/en-us/windows/win32/cimwin32prov/win32-operatingsystem
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@ -22,7 +22,6 @@ type perfDataCounterValues struct {
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ExceptionDispatchesPerSec float64 `perfdata:"Exception Dispatches/sec"`
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ProcessorQueueLength float64 `perfdata:"Processor Queue Length"`
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SystemCallsPerSec float64 `perfdata:"System Calls/sec"`
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SystemUpTime float64 `perfdata:"System Up Time"`
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Processes float64 `perfdata:"Processes"`
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Threads float64 `perfdata:"Threads"`
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}
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@ -25,10 +25,11 @@ import (
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//nolint:gochecknoglobals
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var (
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kernel32 = windows.NewLazySystemDLL("kernel32.dll")
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modkernel32 = windows.NewLazySystemDLL("kernel32.dll")
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procGetDynamicTimeZoneInformationSys = kernel32.NewProc("GetDynamicTimeZoneInformation")
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kernelLocalFileTimeToFileTime = kernel32.NewProc("LocalFileTimeToFileTime")
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procGetDynamicTimeZoneInformationSys = modkernel32.NewProc("GetDynamicTimeZoneInformation")
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procKernelLocalFileTimeToFileTime = modkernel32.NewProc("LocalFileTimeToFileTime")
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procGetTickCount = modkernel32.NewProc("GetTickCount64")
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)
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// SYSTEMTIME contains a date and time.
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@ -72,9 +73,15 @@ func GetDynamicTimeZoneInformation() (DynamicTimezoneInformation, error) {
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}
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func LocalFileTimeToFileTime(localFileTime, utcFileTime *windows.Filetime) uint32 {
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ret, _, _ := kernelLocalFileTimeToFileTime.Call(
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ret, _, _ := procKernelLocalFileTimeToFileTime.Call(
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uintptr(unsafe.Pointer(localFileTime)),
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uintptr(unsafe.Pointer(utcFileTime)))
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return uint32(ret)
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}
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func GetTickCount64() uint64 {
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ret, _, _ := procGetTickCount.Call()
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return uint64(ret)
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}
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@ -393,7 +393,9 @@ windows_service_state{name="Themes",state="running"} 1
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windows_service_state{name="Themes",state="start pending"} 0
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windows_service_state{name="Themes",state="stop pending"} 0
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windows_service_state{name="Themes",state="stopped"} 0
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# HELP windows_system_boot_time_timestamp_seconds Unix timestamp of system boot time
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# HELP windows_system_boot_time_timestamp Unix timestamp of system boot time
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# TYPE windows_system_boot_time_timestamp gauge
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# HELP windows_system_boot_time_timestamp_seconds Deprecated: Use windows_system_boot_time_timestamp instead
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# TYPE windows_system_boot_time_timestamp_seconds gauge
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# HELP windows_system_context_switches_total Total number of context switches (WMI source: PerfOS_System.ContextSwitchesPersec)
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# TYPE windows_system_context_switches_total counter
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