windows_exporter/collector/netframework_clrinterop.go

105 lines
3.2 KiB
Go

//go:build windows
// +build windows
package collector
import (
"github.com/go-kit/log"
"github.com/go-kit/log/level"
"github.com/prometheus/client_golang/prometheus"
"github.com/yusufpapurcu/wmi"
)
// A NETFramework_NETCLRInteropCollector is a Prometheus collector for WMI Win32_PerfRawData_NETFramework_NETCLRInterop metrics
type NETFramework_NETCLRInteropCollector struct {
logger log.Logger
NumberofCCWs *prometheus.Desc
Numberofmarshalling *prometheus.Desc
NumberofStubs *prometheus.Desc
}
// newNETFramework_NETCLRInteropCollector ...
func newNETFramework_NETCLRInteropCollector(logger log.Logger) (Collector, error) {
const subsystem = "netframework_clrinterop"
return &NETFramework_NETCLRInteropCollector{
logger: log.With(logger, "collector", subsystem),
NumberofCCWs: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "com_callable_wrappers_total"),
"Displays the current number of COM callable wrappers (CCWs). A CCW is a proxy for a managed object being referenced from an unmanaged COM client.",
[]string{"process"},
nil,
),
Numberofmarshalling: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "interop_marshalling_total"),
"Displays the total number of times arguments and return values have been marshaled from managed to unmanaged code, and vice versa, since the application started.",
[]string{"process"},
nil,
),
NumberofStubs: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "interop_stubs_created_total"),
"Displays the current number of stubs created by the common language runtime. Stubs are responsible for marshaling arguments and return values from managed to unmanaged code, and vice versa, during a COM interop call or a platform invoke call.",
[]string{"process"},
nil,
),
}, nil
}
// Collect sends the metric values for each metric
// to the provided prometheus Metric channel.
func (c *NETFramework_NETCLRInteropCollector) Collect(ctx *ScrapeContext, ch chan<- prometheus.Metric) error {
if desc, err := c.collect(ch); err != nil {
level.Error(c.logger).Log("failed collecting win32_perfrawdata_netframework_netclrinterop metrics", "desc", desc, "err", err)
return err
}
return nil
}
type Win32_PerfRawData_NETFramework_NETCLRInterop struct {
Name string
NumberofCCWs uint32
Numberofmarshalling uint32
NumberofStubs uint32
NumberofTLBexportsPersec uint32
NumberofTLBimportsPersec uint32
}
func (c *NETFramework_NETCLRInteropCollector) collect(ch chan<- prometheus.Metric) (*prometheus.Desc, error) {
var dst []Win32_PerfRawData_NETFramework_NETCLRInterop
q := queryAll(&dst, c.logger)
if err := wmi.Query(q, &dst); err != nil {
return nil, err
}
for _, process := range dst {
if process.Name == "_Global_" {
continue
}
ch <- prometheus.MustNewConstMetric(
c.NumberofCCWs,
prometheus.CounterValue,
float64(process.NumberofCCWs),
process.Name,
)
ch <- prometheus.MustNewConstMetric(
c.Numberofmarshalling,
prometheus.CounterValue,
float64(process.Numberofmarshalling),
process.Name,
)
ch <- prometheus.MustNewConstMetric(
c.NumberofStubs,
prometheus.CounterValue,
float64(process.NumberofStubs),
process.Name,
)
}
return nil, nil
}