windows_exporter/collector/cache.go

454 lines
12 KiB
Go

//go:build windows
// +build windows
package collector
import (
"github.com/prometheus-community/windows_exporter/log"
"github.com/prometheus/client_golang/prometheus"
)
func init() {
registerCollector("cache", newCacheCollector, "Cache")
}
// A CacheCollector is a Prometheus collector for Perflib Cache metrics
type CacheCollector struct {
AsyncCopyReadsTotal *prometheus.Desc
AsyncDataMapsTotal *prometheus.Desc
AsyncFastReadsTotal *prometheus.Desc
AsyncMDLReadsTotal *prometheus.Desc
AsyncPinReadsTotal *prometheus.Desc
CopyReadHitsTotal *prometheus.Desc
CopyReadsTotal *prometheus.Desc
DataFlushesTotal *prometheus.Desc
DataFlushPagesTotal *prometheus.Desc
DataMapHitsPercent *prometheus.Desc
DataMapPinsTotal *prometheus.Desc
DataMapsTotal *prometheus.Desc
DirtyPages *prometheus.Desc
DirtyPageThreshold *prometheus.Desc
FastReadNotPossiblesTotal *prometheus.Desc
FastReadResourceMissesTotal *prometheus.Desc
FastReadsTotal *prometheus.Desc
LazyWriteFlushesTotal *prometheus.Desc
LazyWritePagesTotal *prometheus.Desc
MDLReadHitsTotal *prometheus.Desc
MDLReadsTotal *prometheus.Desc
PinReadHitsTotal *prometheus.Desc
PinReadsTotal *prometheus.Desc
ReadAheadsTotal *prometheus.Desc
SyncCopyReadsTotal *prometheus.Desc
SyncDataMapsTotal *prometheus.Desc
SyncFastReadsTotal *prometheus.Desc
SyncMDLReadsTotal *prometheus.Desc
SyncPinReadsTotal *prometheus.Desc
}
// NewCacheCollector ...
func newCacheCollector() (Collector, error) {
const subsystem = "cache"
return &CacheCollector{
AsyncCopyReadsTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "async_copy_reads_total"),
"(AsyncCopyReadsTotal)",
nil,
nil,
),
AsyncDataMapsTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "async_data_maps_total"),
"(AsyncDataMapsTotal)",
nil,
nil,
),
AsyncFastReadsTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "async_fast_reads_total"),
"(AsyncFastReadsTotal)",
nil,
nil,
),
AsyncMDLReadsTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "async_mdl_reads_total"),
"(AsyncMDLReadsTotal)",
nil,
nil,
),
AsyncPinReadsTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "async_pin_reads_total"),
"(AsyncPinReadsTotal)",
nil,
nil,
),
CopyReadHitsTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "copy_read_hits_total"),
"(CopyReadHitsTotal)",
nil,
nil,
),
CopyReadsTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "copy_reads_total"),
"(CopyReadsTotal)",
nil,
nil,
),
DataFlushesTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "data_flushes_total"),
"(DataFlushesTotal)",
nil,
nil,
),
DataFlushPagesTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "data_flush_pages_total"),
"(DataFlushPagesTotal)",
nil,
nil,
),
DataMapHitsPercent: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "data_map_hits_percent"),
"(DataMapHitsPercent)",
nil,
nil,
),
DataMapPinsTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "data_map_pins_total"),
"(DataMapPinsTotal)",
nil,
nil,
),
DataMapsTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "data_maps_total"),
"(DataMapsTotal)",
nil,
nil,
),
DirtyPages: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "dirty_pages"),
"(DirtyPages)",
nil,
nil,
),
DirtyPageThreshold: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "dirty_page_threshold"),
"(DirtyPageThreshold)",
nil,
nil,
),
FastReadNotPossiblesTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "fast_read_not_possibles_total"),
"(FastReadNotPossiblesTotal)",
nil,
nil,
),
FastReadResourceMissesTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "fast_read_resource_misses_total"),
"(FastReadResourceMissesTotal)",
nil,
nil,
),
FastReadsTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "fast_reads_total"),
"(FastReadsTotal)",
nil,
nil,
),
LazyWriteFlushesTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "lazy_write_flushes_total"),
"(LazyWriteFlushesTotal)",
nil,
nil,
),
LazyWritePagesTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "lazy_write_pages_total"),
"(LazyWritePagesTotal)",
nil,
nil,
),
MDLReadHitsTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "mdl_read_hits_total"),
"(MDLReadHitsTotal)",
nil,
nil,
),
MDLReadsTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "mdl_reads_total"),
"(MDLReadsTotal)",
nil,
nil,
),
PinReadHitsTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "pin_read_hits_total"),
"(PinReadHitsTotal)",
nil,
nil,
),
PinReadsTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "pin_reads_total"),
"(PinReadsTotal)",
nil,
nil,
),
ReadAheadsTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "read_aheads_total"),
"(ReadAheadsTotal)",
nil,
nil,
),
SyncCopyReadsTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "sync_copy_reads_total"),
"(SyncCopyReadsTotal)",
nil,
nil,
),
SyncDataMapsTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "sync_data_maps_total"),
"(SyncDataMapsTotal)",
nil,
nil,
),
SyncFastReadsTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "sync_fast_reads_total"),
"(SyncFastReadsTotal)",
nil,
nil,
),
SyncMDLReadsTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "sync_mdl_reads_total"),
"(SyncMDLReadsTotal)",
nil,
nil,
),
SyncPinReadsTotal: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, subsystem, "sync_pin_reads_total"),
"(SyncPinReadsTotal)",
nil,
nil,
),
}, nil
}
// Collect implements the Collector interface
func (c *CacheCollector) Collect(ctx *ScrapeContext, ch chan<- prometheus.Metric) error {
if desc, err := c.collect(ctx, ch); err != nil {
log.Error("failed collecting cache metrics:", desc, err)
return err
}
return nil
}
// Perflib "Cache":
// - https://docs.microsoft.com/en-us/previous-versions/aa394267(v=vs.85)
type perflibCache struct {
AsyncCopyReadsTotal float64 `perflib:"Async Copy Reads/sec"`
AsyncDataMapsTotal float64 `perflib:"Async Data Maps/sec"`
AsyncFastReadsTotal float64 `perflib:"Async Fast Reads/sec"`
AsyncMDLReadsTotal float64 `perflib:"Async MDL Reads/sec"`
AsyncPinReadsTotal float64 `perflib:"Async Pin Reads/sec"`
CopyReadHitsTotal float64 `perflib:"Copy Read Hits %"`
CopyReadsTotal float64 `perflib:"Copy Reads/sec"`
DataFlushesTotal float64 `perflib:"Data Flushes/sec"`
DataFlushPagesTotal float64 `perflib:"Data Flush Pages/sec"`
DataMapHitsPercent float64 `perflib:"Data Map Hits %"`
DataMapPinsTotal float64 `perflib:"Data Map Pins/sec"`
DataMapsTotal float64 `perflib:"Data Maps/sec"`
DirtyPages float64 `perflib:"Dirty Pages"`
DirtyPageThreshold float64 `perflib:"Dirty Page Threshold"`
FastReadNotPossiblesTotal float64 `perflib:"Fast Read Not Possibles/sec"`
FastReadResourceMissesTotal float64 `perflib:"Fast Read Resource Misses/sec"`
FastReadsTotal float64 `perflib:"Fast Reads/sec"`
LazyWriteFlushesTotal float64 `perflib:"Lazy Write Flushes/sec"`
LazyWritePagesTotal float64 `perflib:"Lazy Write Pages/sec"`
MDLReadHitsTotal float64 `perflib:"MDL Read Hits %"`
MDLReadsTotal float64 `perflib:"MDL Reads/sec"`
PinReadHitsTotal float64 `perflib:"Pin Read Hits %"`
PinReadsTotal float64 `perflib:"Pin Reads/sec"`
ReadAheadsTotal float64 `perflib:"Read Aheads/sec"`
SyncCopyReadsTotal float64 `perflib:"Sync Copy Reads/sec"`
SyncDataMapsTotal float64 `perflib:"Sync Data Maps/sec"`
SyncFastReadsTotal float64 `perflib:"Sync Fast Reads/sec"`
SyncMDLReadsTotal float64 `perflib:"Sync MDL Reads/sec"`
SyncPinReadsTotal float64 `perflib:"Sync Pin Reads/sec"`
}
func (c *CacheCollector) collect(ctx *ScrapeContext, ch chan<- prometheus.Metric) (*prometheus.Desc, error) {
var dst []perflibCache // Single-instance class, array is required but will have single entry.
if err := unmarshalObject(ctx.perfObjects["Cache"], &dst); err != nil {
return nil, err
}
ch <- prometheus.MustNewConstMetric(
c.AsyncCopyReadsTotal,
prometheus.CounterValue,
dst[0].AsyncCopyReadsTotal,
)
ch <- prometheus.MustNewConstMetric(
c.AsyncDataMapsTotal,
prometheus.CounterValue,
dst[0].AsyncDataMapsTotal,
)
ch <- prometheus.MustNewConstMetric(
c.AsyncFastReadsTotal,
prometheus.CounterValue,
dst[0].AsyncFastReadsTotal,
)
ch <- prometheus.MustNewConstMetric(
c.AsyncMDLReadsTotal,
prometheus.CounterValue,
dst[0].AsyncMDLReadsTotal,
)
ch <- prometheus.MustNewConstMetric(
c.AsyncPinReadsTotal,
prometheus.CounterValue,
dst[0].AsyncPinReadsTotal,
)
ch <- prometheus.MustNewConstMetric(
c.CopyReadHitsTotal,
prometheus.GaugeValue,
dst[0].CopyReadHitsTotal,
)
ch <- prometheus.MustNewConstMetric(
c.CopyReadsTotal,
prometheus.CounterValue,
dst[0].CopyReadsTotal,
)
ch <- prometheus.MustNewConstMetric(
c.DataFlushesTotal,
prometheus.CounterValue,
dst[0].DataFlushesTotal,
)
ch <- prometheus.MustNewConstMetric(
c.DataFlushPagesTotal,
prometheus.CounterValue,
dst[0].DataFlushPagesTotal,
)
ch <- prometheus.MustNewConstMetric(
c.DataMapHitsPercent,
prometheus.GaugeValue,
dst[0].DataMapHitsPercent,
)
ch <- prometheus.MustNewConstMetric(
c.DataMapPinsTotal,
prometheus.CounterValue,
dst[0].DataMapPinsTotal,
)
ch <- prometheus.MustNewConstMetric(
c.DataMapsTotal,
prometheus.CounterValue,
dst[0].DataMapsTotal,
)
ch <- prometheus.MustNewConstMetric(
c.DirtyPages,
prometheus.GaugeValue,
dst[0].DirtyPages,
)
ch <- prometheus.MustNewConstMetric(
c.DirtyPageThreshold,
prometheus.GaugeValue,
dst[0].DirtyPageThreshold,
)
ch <- prometheus.MustNewConstMetric(
c.FastReadNotPossiblesTotal,
prometheus.CounterValue,
dst[0].FastReadNotPossiblesTotal,
)
ch <- prometheus.MustNewConstMetric(
c.FastReadResourceMissesTotal,
prometheus.CounterValue,
dst[0].FastReadResourceMissesTotal,
)
ch <- prometheus.MustNewConstMetric(
c.FastReadsTotal,
prometheus.CounterValue,
dst[0].FastReadsTotal,
)
ch <- prometheus.MustNewConstMetric(
c.LazyWriteFlushesTotal,
prometheus.CounterValue,
dst[0].LazyWriteFlushesTotal,
)
ch <- prometheus.MustNewConstMetric(
c.LazyWritePagesTotal,
prometheus.CounterValue,
dst[0].LazyWritePagesTotal,
)
ch <- prometheus.MustNewConstMetric(
c.MDLReadHitsTotal,
prometheus.CounterValue,
dst[0].MDLReadHitsTotal,
)
ch <- prometheus.MustNewConstMetric(
c.MDLReadsTotal,
prometheus.CounterValue,
dst[0].MDLReadsTotal,
)
ch <- prometheus.MustNewConstMetric(
c.PinReadHitsTotal,
prometheus.CounterValue,
dst[0].PinReadHitsTotal,
)
ch <- prometheus.MustNewConstMetric(
c.PinReadsTotal,
prometheus.CounterValue,
dst[0].PinReadsTotal,
)
ch <- prometheus.MustNewConstMetric(
c.ReadAheadsTotal,
prometheus.CounterValue,
dst[0].ReadAheadsTotal,
)
ch <- prometheus.MustNewConstMetric(
c.SyncCopyReadsTotal,
prometheus.CounterValue,
dst[0].SyncCopyReadsTotal,
)
ch <- prometheus.MustNewConstMetric(
c.SyncDataMapsTotal,
prometheus.CounterValue,
dst[0].SyncDataMapsTotal,
)
ch <- prometheus.MustNewConstMetric(
c.SyncFastReadsTotal,
prometheus.CounterValue,
dst[0].SyncFastReadsTotal,
)
ch <- prometheus.MustNewConstMetric(
c.SyncMDLReadsTotal,
prometheus.CounterValue,
dst[0].SyncMDLReadsTotal,
)
ch <- prometheus.MustNewConstMetric(
c.SyncPinReadsTotal,
prometheus.CounterValue,
dst[0].SyncPinReadsTotal,
)
return nil, nil
}