windows_exporter/collector/netframework_clrexceptions.go

119 lines
3.7 KiB
Go

//go:build windows
// +build windows
package collector
import (
"github.com/StackExchange/wmi"
"github.com/prometheus-community/windows_exporter/log"
"github.com/prometheus/client_golang/prometheus"
)
func init() {
registerCollector("netframework_clrexceptions", NewNETFramework_NETCLRExceptionsCollector)
}
// A NETFramework_NETCLRExceptionsCollector is a Prometheus collector for WMI Win32_PerfRawData_NETFramework_NETCLRExceptions metrics
type NETFramework_NETCLRExceptionsCollector struct {
NumberofExcepsThrown *prometheus.Desc
NumberofFilters *prometheus.Desc
NumberofFinallys *prometheus.Desc
ThrowToCatchDepth *prometheus.Desc
}
// NewNETFramework_NETCLRExceptionsCollector ...
func NewNETFramework_NETCLRExceptionsCollector() (Collector, error) {
const subsystem = "netframework_clrexceptions"
return &NETFramework_NETCLRExceptionsCollector{
NumberofExcepsThrown: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "exceptions_thrown_total"),
"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.",
[]string{"process"},
nil,
),
NumberofFilters: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "exceptions_filters_total"),
"Displays the total number of .NET exception filters executed. An exception filter evaluates regardless of whether an exception is handled.",
[]string{"process"},
nil,
),
NumberofFinallys: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "exceptions_finallys_total"),
"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.",
[]string{"process"},
nil,
),
ThrowToCatchDepth: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "throw_to_catch_depth_total"),
"Displays the total number of stack frames traversed, from the frame that threw the exception to the frame that handled the exception.",
[]string{"process"},
nil,
),
}, nil
}
// Collect sends the metric values for each metric
// to the provided prometheus Metric channel.
func (c *NETFramework_NETCLRExceptionsCollector) Collect(ctx *ScrapeContext, ch chan<- prometheus.Metric) error {
if desc, err := c.collect(ch); err != nil {
log.Error("failed collecting win32_perfrawdata_netframework_netclrexceptions metrics:", desc, err)
return err
}
return nil
}
type Win32_PerfRawData_NETFramework_NETCLRExceptions struct {
Name string
NumberofExcepsThrown uint32
NumberofExcepsThrownPersec uint32
NumberofFiltersPersec uint32
NumberofFinallysPersec uint32
ThrowToCatchDepthPersec uint32
}
func (c *NETFramework_NETCLRExceptionsCollector) collect(ch chan<- prometheus.Metric) (*prometheus.Desc, error) {
var dst []Win32_PerfRawData_NETFramework_NETCLRExceptions
q := queryAll(&dst)
if err := wmi.Query(q, &dst); err != nil {
return nil, err
}
for _, process := range dst {
if process.Name == "_Global_" {
continue
}
ch <- prometheus.MustNewConstMetric(
c.NumberofExcepsThrown,
prometheus.CounterValue,
float64(process.NumberofExcepsThrown),
process.Name,
)
ch <- prometheus.MustNewConstMetric(
c.NumberofFilters,
prometheus.CounterValue,
float64(process.NumberofFiltersPersec),
process.Name,
)
ch <- prometheus.MustNewConstMetric(
c.NumberofFinallys,
prometheus.CounterValue,
float64(process.NumberofFinallysPersec),
process.Name,
)
ch <- prometheus.MustNewConstMetric(
c.ThrowToCatchDepth,
prometheus.CounterValue,
float64(process.ThrowToCatchDepthPersec),
process.Name,
)
}
return nil, nil
}