118 lines
3.7 KiB
Go
118 lines
3.7 KiB
Go
// +build windows
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package collector
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import (
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"github.com/StackExchange/wmi"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/common/log"
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)
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func init() {
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registerCollector("netframework_clrexceptions", NewNETFramework_NETCLRExceptionsCollector)
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}
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// A NETFramework_NETCLRExceptionsCollector is a Prometheus collector for WMI Win32_PerfRawData_NETFramework_NETCLRExceptions metrics
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type NETFramework_NETCLRExceptionsCollector struct {
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NumberofExcepsThrown *prometheus.Desc
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NumberofFilters *prometheus.Desc
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NumberofFinallys *prometheus.Desc
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ThrowToCatchDepth *prometheus.Desc
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}
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// NewNETFramework_NETCLRExceptionsCollector ...
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func NewNETFramework_NETCLRExceptionsCollector() (Collector, error) {
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const subsystem = "netframework_clrexceptions"
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return &NETFramework_NETCLRExceptionsCollector{
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NumberofExcepsThrown: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "exceptions_thrown_total"),
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"Displays the total number of exceptions thrown since the application started. This includes both .NET exceptions and unmanaged exceptions that are converted into .NET exceptions.",
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[]string{"process"},
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nil,
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),
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NumberofFilters: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "exceptions_filters_total"),
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"Displays the total number of .NET exception filters executed. An exception filter evaluates regardless of whether an exception is handled.",
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[]string{"process"},
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nil,
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),
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NumberofFinallys: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "exceptions_finallys_total"),
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"Displays the total number of finally blocks executed. Only the finally blocks executed for an exception are counted; finally blocks on normal code paths are not counted by this counter.",
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[]string{"process"},
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nil,
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),
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ThrowToCatchDepth: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "throw_to_catch_depth_total"),
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"Displays the total number of stack frames traversed, from the frame that threw the exception to the frame that handled the exception.",
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[]string{"process"},
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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 *NETFramework_NETCLRExceptionsCollector) Collect(ctx *ScrapeContext, ch chan<- prometheus.Metric) error {
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if desc, err := c.collect(ch); err != nil {
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log.Error("failed collecting win32_perfrawdata_netframework_netclrexceptions 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_NETFramework_NETCLRExceptions struct {
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Name string
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NumberofExcepsThrown uint32
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NumberofExcepsThrownPersec uint32
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NumberofFiltersPersec uint32
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NumberofFinallysPersec uint32
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ThrowToCatchDepthPersec uint32
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}
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func (c *NETFramework_NETCLRExceptionsCollector) collect(ch chan<- prometheus.Metric) (*prometheus.Desc, error) {
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var dst []Win32_PerfRawData_NETFramework_NETCLRExceptions
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q := queryAll(&dst)
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if err := wmi.Query(q, &dst); err != nil {
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return nil, err
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}
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for _, process := range dst {
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if process.Name == "_Global_" {
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continue
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}
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ch <- prometheus.MustNewConstMetric(
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c.NumberofExcepsThrown,
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prometheus.CounterValue,
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float64(process.NumberofExcepsThrown),
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process.Name,
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)
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ch <- prometheus.MustNewConstMetric(
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c.NumberofFilters,
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prometheus.CounterValue,
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float64(process.NumberofFiltersPersec),
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process.Name,
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)
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ch <- prometheus.MustNewConstMetric(
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c.NumberofFinallys,
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prometheus.CounterValue,
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float64(process.NumberofFinallysPersec),
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process.Name,
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)
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ch <- prometheus.MustNewConstMetric(
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c.ThrowToCatchDepth,
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prometheus.CounterValue,
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float64(process.ThrowToCatchDepthPersec),
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process.Name,
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)
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}
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return nil, nil
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}
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