windows_exporter/collector/netframework_clrmemory.go

304 lines
9.5 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_clrmemory", NewNETFramework_NETCLRMemoryCollector)
}
// A NETFramework_NETCLRMemoryCollector is a Prometheus collector for WMI Win32_PerfRawData_NETFramework_NETCLRMemory metrics
type NETFramework_NETCLRMemoryCollector struct {
AllocatedBytes *prometheus.Desc
FinalizationSurvivors *prometheus.Desc
HeapSize *prometheus.Desc
PromotedBytes *prometheus.Desc
NumberGCHandles *prometheus.Desc
NumberCollections *prometheus.Desc
NumberInducedGC *prometheus.Desc
NumberofPinnedObjects *prometheus.Desc
NumberofSinkBlocksinuse *prometheus.Desc
NumberTotalCommittedBytes *prometheus.Desc
NumberTotalreservedBytes *prometheus.Desc
TimeinGC *prometheus.Desc
PromotedFinalizationMemoryfromGen0 *prometheus.Desc
PromotedMemoryfromGen0 *prometheus.Desc
PromotedMemoryfromGen1 *prometheus.Desc
}
// NewNETFramework_NETCLRMemoryCollector ...
func NewNETFramework_NETCLRMemoryCollector() (Collector, error) {
const subsystem = "netframework_clrmemory"
return &NETFramework_NETCLRMemoryCollector{
AllocatedBytes: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "allocated_bytes_total"),
"Displays the total number of bytes allocated on the garbage collection heap.",
[]string{"process"},
nil,
),
FinalizationSurvivors: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "finalization_survivors"),
"Displays the number of garbage-collected objects that survive a collection because they are waiting to be finalized.",
[]string{"process"},
nil,
),
HeapSize: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "heap_size_bytes"),
"Displays the maximum bytes that can be allocated; it does not indicate the current number of bytes allocated.",
[]string{"process", "area"},
nil,
),
PromotedBytes: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "promoted_bytes"),
"Displays the bytes that were promoted from the generation to the next one during the last GC. Memory is promoted when it survives a garbage collection.",
[]string{"process", "area"},
nil,
),
NumberGCHandles: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "number_gc_handles"),
"Displays the current number of garbage collection handles in use. Garbage collection handles are handles to resources external to the common language runtime and the managed environment.",
[]string{"process"},
nil,
),
NumberCollections: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "collections_total"),
"Displays the number of times the generation objects are garbage collected since the application started.",
[]string{"process", "area"},
nil,
),
NumberInducedGC: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "induced_gc_total"),
"Displays the peak number of times garbage collection was performed because of an explicit call to GC.Collect.",
[]string{"process"},
nil,
),
NumberofPinnedObjects: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "number_pinned_objects"),
"Displays the number of pinned objects encountered in the last garbage collection.",
[]string{"process"},
nil,
),
NumberofSinkBlocksinuse: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "number_sink_blocksinuse"),
"Displays the current number of synchronization blocks in use. Synchronization blocks are per-object data structures allocated for storing synchronization information. They hold weak references to managed objects and must be scanned by the garbage collector.",
[]string{"process"},
nil,
),
NumberTotalCommittedBytes: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "committed_bytes"),
"Displays the amount of virtual memory, in bytes, currently committed by the garbage collector. Committed memory is the physical memory for which space has been reserved in the disk paging file.",
[]string{"process"},
nil,
),
NumberTotalreservedBytes: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "reserved_bytes"),
"Displays the amount of virtual memory, in bytes, currently reserved by the garbage collector. Reserved memory is the virtual memory space reserved for the application when no disk or main memory pages have been used.",
[]string{"process"},
nil,
),
TimeinGC: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "gc_time_percent"),
"Displays the percentage of time that was spent performing a garbage collection in the last sample.",
[]string{"process"},
nil,
),
}, nil
}
// Collect sends the metric values for each metric
// to the provided prometheus Metric channel.
func (c *NETFramework_NETCLRMemoryCollector) Collect(ctx *ScrapeContext, ch chan<- prometheus.Metric) error {
if desc, err := c.collect(ch); err != nil {
log.Error("failed collecting win32_perfrawdata_netframework_netclrmemory metrics:", desc, err)
return err
}
return nil
}
type Win32_PerfRawData_NETFramework_NETCLRMemory struct {
Name string
AllocatedBytesPersec uint64
FinalizationSurvivors uint64
Frequency_PerfTime uint64
Gen0heapsize uint64
Gen0PromotedBytesPerSec uint64
Gen1heapsize uint64
Gen1PromotedBytesPerSec uint64
Gen2heapsize uint64
LargeObjectHeapsize uint64
NumberBytesinallHeaps uint64
NumberGCHandles uint64
NumberGen0Collections uint64
NumberGen1Collections uint64
NumberGen2Collections uint64
NumberInducedGC uint64
NumberofPinnedObjects uint64
NumberofSinkBlocksinuse uint64
NumberTotalcommittedBytes uint64
NumberTotalreservedBytes uint64
PercentTimeinGC uint32
ProcessID uint64
PromotedFinalizationMemoryfromGen0 uint64
PromotedMemoryfromGen0 uint64
PromotedMemoryfromGen1 uint64
}
func (c *NETFramework_NETCLRMemoryCollector) collect(ch chan<- prometheus.Metric) (*prometheus.Desc, error) {
var dst []Win32_PerfRawData_NETFramework_NETCLRMemory
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.AllocatedBytes,
prometheus.CounterValue,
float64(process.AllocatedBytesPersec),
process.Name,
)
ch <- prometheus.MustNewConstMetric(
c.FinalizationSurvivors,
prometheus.GaugeValue,
float64(process.FinalizationSurvivors),
process.Name,
)
ch <- prometheus.MustNewConstMetric(
c.HeapSize,
prometheus.GaugeValue,
float64(process.Gen0heapsize),
process.Name,
"Gen0",
)
ch <- prometheus.MustNewConstMetric(
c.PromotedBytes,
prometheus.GaugeValue,
float64(process.Gen0PromotedBytesPerSec),
process.Name,
"Gen0",
)
ch <- prometheus.MustNewConstMetric(
c.HeapSize,
prometheus.GaugeValue,
float64(process.Gen1heapsize),
process.Name,
"Gen1",
)
ch <- prometheus.MustNewConstMetric(
c.PromotedBytes,
prometheus.GaugeValue,
float64(process.Gen1PromotedBytesPerSec),
process.Name,
"Gen1",
)
ch <- prometheus.MustNewConstMetric(
c.HeapSize,
prometheus.GaugeValue,
float64(process.Gen2heapsize),
process.Name,
"Gen2",
)
ch <- prometheus.MustNewConstMetric(
c.HeapSize,
prometheus.GaugeValue,
float64(process.LargeObjectHeapsize),
process.Name,
"LOH",
)
ch <- prometheus.MustNewConstMetric(
c.NumberGCHandles,
prometheus.GaugeValue,
float64(process.NumberGCHandles),
process.Name,
)
ch <- prometheus.MustNewConstMetric(
c.NumberCollections,
prometheus.CounterValue,
float64(process.NumberGen0Collections),
process.Name,
"Gen0",
)
ch <- prometheus.MustNewConstMetric(
c.NumberCollections,
prometheus.CounterValue,
float64(process.NumberGen1Collections),
process.Name,
"Gen1",
)
ch <- prometheus.MustNewConstMetric(
c.NumberCollections,
prometheus.CounterValue,
float64(process.NumberGen2Collections),
process.Name,
"Gen2",
)
ch <- prometheus.MustNewConstMetric(
c.NumberInducedGC,
prometheus.CounterValue,
float64(process.NumberInducedGC),
process.Name,
)
ch <- prometheus.MustNewConstMetric(
c.NumberofPinnedObjects,
prometheus.GaugeValue,
float64(process.NumberofPinnedObjects),
process.Name,
)
ch <- prometheus.MustNewConstMetric(
c.NumberofSinkBlocksinuse,
prometheus.GaugeValue,
float64(process.NumberofSinkBlocksinuse),
process.Name,
)
ch <- prometheus.MustNewConstMetric(
c.NumberTotalCommittedBytes,
prometheus.GaugeValue,
float64(process.NumberTotalcommittedBytes),
process.Name,
)
ch <- prometheus.MustNewConstMetric(
c.NumberTotalreservedBytes,
prometheus.GaugeValue,
float64(process.NumberTotalreservedBytes),
process.Name,
)
ch <- prometheus.MustNewConstMetric(
c.TimeinGC,
prometheus.GaugeValue,
float64(process.PercentTimeinGC)/float64(process.Frequency_PerfTime),
process.Name,
)
}
return nil, nil
}