505 lines
15 KiB
Go
505 lines
15 KiB
Go
// returns data points from Win32_PerfRawData_PerfOS_Memory
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// <add link to documentation here> - Win32_PerfRawData_PerfOS_Memory class
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// +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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Factories["memory"] = NewMemoryCollector
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}
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// A MemoryCollector is a Prometheus collector for WMI Win32_PerfRawData_PerfOS_Memory metrics
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type MemoryCollector struct {
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AvailableBytes *prometheus.Desc
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CacheBytes *prometheus.Desc
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CacheBytesPeak *prometheus.Desc
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CacheFaultsTotal *prometheus.Desc
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CommitLimit *prometheus.Desc
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CommittedBytes *prometheus.Desc
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DemandZeroFaultsTotal *prometheus.Desc
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FreeAndZeroPageListBytes *prometheus.Desc
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FreeSystemPageTableEntries *prometheus.Desc
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ModifiedPageListBytes *prometheus.Desc
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PageFaultsTotal *prometheus.Desc
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SwapPageReadsTotal *prometheus.Desc
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SwapPagesReadTotal *prometheus.Desc
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SwapPagesWrittenTotal *prometheus.Desc
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SwapPageOperationsTotal *prometheus.Desc
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SwapPageWritesTotal *prometheus.Desc
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PoolNonpagedAllocsTotal *prometheus.Desc
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PoolNonpagedBytes *prometheus.Desc
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PoolPagedAllocsTotal *prometheus.Desc
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PoolPagedBytes *prometheus.Desc
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PoolPagedResidentBytes *prometheus.Desc
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StandbyCacheCoreBytes *prometheus.Desc
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StandbyCacheNormalPriorityBytes *prometheus.Desc
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StandbyCacheReserveBytes *prometheus.Desc
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SystemCacheResidentBytes *prometheus.Desc
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SystemCodeResidentBytes *prometheus.Desc
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SystemCodeTotalBytes *prometheus.Desc
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SystemDriverResidentBytes *prometheus.Desc
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SystemDriverTotalBytes *prometheus.Desc
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TransitionFaultsTotal *prometheus.Desc
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TransitionPagesRepurposedTotal *prometheus.Desc
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WriteCopiesTotal *prometheus.Desc
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}
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// NewMemoryCollector ...
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func NewMemoryCollector() (Collector, error) {
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const subsystem = "memory"
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return &MemoryCollector{
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AvailableBytes: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "available_bytes"),
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"The amount of physical memory immediately available for allocation to a process or for system use. It is equal to the sum of memory assigned to"+
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" the standby (cached), free and zero page lists (AvailableBytes)",
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nil,
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nil,
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),
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CacheBytes: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "cache_bytes"),
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"(CacheBytes)",
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nil,
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nil,
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),
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CacheBytesPeak: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "cache_bytes_peak"),
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"(CacheBytesPeak)",
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nil,
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nil,
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),
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CacheFaultsTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "cache_faults_total"),
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"(CacheFaultsPersec)",
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nil,
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nil,
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),
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CommitLimit: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "commit_limit"),
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"(CommitLimit)",
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nil,
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nil,
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),
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CommittedBytes: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "committed_bytes"),
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"(CommittedBytes)",
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nil,
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nil,
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),
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DemandZeroFaultsTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "demand_zero_faults_total"),
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"The number of zeroed pages required to satisfy faults. Zeroed pages, pages emptied of previously stored data and filled with zeros, are a security"+
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" feature of Windows that prevent processes from seeing data stored by earlier processes that used the memory space (DemandZeroFaults)",
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nil,
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nil,
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),
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FreeAndZeroPageListBytes: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "free_and_zero_page_list_bytes"),
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"(FreeAndZeroPageListBytes)",
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nil,
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nil,
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),
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FreeSystemPageTableEntries: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "free_system_page_table_entries"),
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"(FreeSystemPageTableEntries)",
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nil,
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nil,
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),
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ModifiedPageListBytes: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "modified_page_list_bytes"),
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"(ModifiedPageListBytes)",
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nil,
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nil,
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),
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PageFaultsTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "page_faults_total"),
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"(PageFaultsPersec)",
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nil,
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nil,
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),
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SwapPageReadsTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "swap_page_reads_total"),
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"Number of disk page reads (a single read operation reading several pages is still only counted once) (PageReadsPersec)",
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nil,
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nil,
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),
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SwapPagesReadTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "swap_pages_read_total"),
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"Number of pages read across all page reads (ie counting all pages read even if they are read in a single operation) (PagesInputPersec)",
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nil,
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nil,
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),
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SwapPagesWrittenTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "swap_pages_written_total"),
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"Number of pages written across all page writes (ie counting all pages written even if they are written in a single operation) (PagesOutputPersec)",
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nil,
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nil,
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),
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SwapPageOperationsTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "swap_page_operations_total"),
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"Total number of swap page read and writes (PagesPersec)",
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nil,
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nil,
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),
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SwapPageWritesTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "swap_page_writes_total"),
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"Number of disk page writes (a single write operation writing several pages is still only counted once) (PageWritesPersec)",
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nil,
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nil,
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),
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PoolNonpagedAllocsTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "pool_nonpaged_allocs_total"),
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"The number of calls to allocate space in the nonpaged pool. The nonpaged pool is an area of system memory area for objects that cannot be written"+
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" to disk, and must remain in physical memory as long as they are allocated (PoolNonpagedAllocs)",
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nil,
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nil,
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),
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PoolNonpagedBytes: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "pool_nonpaged_bytes_total"),
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"(PoolNonpagedBytes)",
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nil,
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nil,
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),
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PoolPagedAllocsTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "pool_paged_allocs_total"),
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"(PoolPagedAllocs)",
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nil,
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nil,
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),
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PoolPagedBytes: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "pool_paged_bytes"),
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"(PoolPagedBytes)",
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nil,
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nil,
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),
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PoolPagedResidentBytes: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "pool_paged_resident_bytes"),
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"(PoolPagedResidentBytes)",
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nil,
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nil,
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),
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StandbyCacheCoreBytes: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "standby_cache_core_bytes"),
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"(StandbyCacheCoreBytes)",
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nil,
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nil,
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),
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StandbyCacheNormalPriorityBytes: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "standby_cache_normal_priority_bytes"),
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"(StandbyCacheNormalPriorityBytes)",
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nil,
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nil,
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),
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StandbyCacheReserveBytes: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "standby_cache_reserve_bytes"),
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"(StandbyCacheReserveBytes)",
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nil,
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nil,
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),
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SystemCacheResidentBytes: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "system_cache_resident_bytes"),
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"(SystemCacheResidentBytes)",
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nil,
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nil,
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),
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SystemCodeResidentBytes: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "system_code_resident_bytes"),
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"(SystemCodeResidentBytes)",
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nil,
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nil,
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),
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SystemCodeTotalBytes: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "system_code_total_bytes"),
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"(SystemCodeTotalBytes)",
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nil,
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nil,
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),
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SystemDriverResidentBytes: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "system_driver_resident_bytes"),
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"(SystemDriverResidentBytes)",
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nil,
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nil,
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),
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SystemDriverTotalBytes: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "system_driver_total_bytes"),
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"(SystemDriverTotalBytes)",
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nil,
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nil,
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),
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TransitionFaultsTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "transition_faults_total"),
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"(TransitionFaultsPersec)",
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nil,
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nil,
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),
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TransitionPagesRepurposedTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "transition_pages_repurposed_total"),
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"(TransitionPagesRePurposedPersec)",
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nil,
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nil,
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),
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WriteCopiesTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "write_copies_total"),
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"The number of page faults caused by attempting to write that were satisfied by copying the page from elsewhere in physical memory (WriteCopiesPersec)",
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nil,
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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 *MemoryCollector) Collect(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 memory 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_PerfOS_Memory struct {
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AvailableBytes uint64
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AvailableKBytes uint64
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AvailableMBytes uint64
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CacheBytes uint64
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CacheBytesPeak uint64
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CacheFaultsPersec uint32
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CommitLimit uint64
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CommittedBytes uint64
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DemandZeroFaultsPersec uint32
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FreeAndZeroPageListBytes uint64
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FreeSystemPageTableEntries uint32
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ModifiedPageListBytes uint64
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PageFaultsPersec uint32
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PageReadsPersec uint32
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PagesInputPersec uint32
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PagesOutputPersec uint32
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PagesPersec uint32
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PageWritesPersec uint32
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PoolNonpagedAllocs uint32
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PoolNonpagedBytes uint64
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PoolPagedAllocs uint32
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PoolPagedBytes uint64
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PoolPagedResidentBytes uint64
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StandbyCacheCoreBytes uint64
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StandbyCacheNormalPriorityBytes uint64
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StandbyCacheReserveBytes uint64
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SystemCacheResidentBytes uint64
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SystemCodeResidentBytes uint64
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SystemCodeTotalBytes uint64
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SystemDriverResidentBytes uint64
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SystemDriverTotalBytes uint64
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TransitionFaultsPersec uint32
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TransitionPagesRePurposedPersec uint32
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WriteCopiesPersec uint32
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}
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func (c *MemoryCollector) collect(ch chan<- prometheus.Metric) (*prometheus.Desc, error) {
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var dst []Win32_PerfRawData_PerfOS_Memory
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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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ch <- prometheus.MustNewConstMetric(
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c.AvailableBytes,
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prometheus.GaugeValue,
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float64(dst[0].AvailableBytes),
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)
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ch <- prometheus.MustNewConstMetric(
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c.CacheBytes,
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prometheus.GaugeValue,
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float64(dst[0].CacheBytes),
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)
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ch <- prometheus.MustNewConstMetric(
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c.CacheBytesPeak,
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prometheus.GaugeValue,
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float64(dst[0].CacheBytesPeak),
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)
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ch <- prometheus.MustNewConstMetric(
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c.CacheFaultsTotal,
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prometheus.GaugeValue,
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float64(dst[0].CacheFaultsPersec),
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)
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ch <- prometheus.MustNewConstMetric(
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c.CommitLimit,
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prometheus.GaugeValue,
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float64(dst[0].CommitLimit),
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)
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ch <- prometheus.MustNewConstMetric(
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c.CommittedBytes,
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prometheus.GaugeValue,
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float64(dst[0].CommittedBytes),
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)
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ch <- prometheus.MustNewConstMetric(
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c.DemandZeroFaultsTotal,
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prometheus.GaugeValue,
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float64(dst[0].DemandZeroFaultsPersec),
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)
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ch <- prometheus.MustNewConstMetric(
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c.FreeAndZeroPageListBytes,
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prometheus.GaugeValue,
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float64(dst[0].FreeAndZeroPageListBytes),
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)
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ch <- prometheus.MustNewConstMetric(
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c.FreeSystemPageTableEntries,
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prometheus.GaugeValue,
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float64(dst[0].FreeSystemPageTableEntries),
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)
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ch <- prometheus.MustNewConstMetric(
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c.ModifiedPageListBytes,
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prometheus.GaugeValue,
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float64(dst[0].ModifiedPageListBytes),
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)
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ch <- prometheus.MustNewConstMetric(
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c.PageFaultsTotal,
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prometheus.GaugeValue,
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float64(dst[0].PageFaultsPersec),
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)
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ch <- prometheus.MustNewConstMetric(
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c.SwapPageReadsTotal,
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prometheus.GaugeValue,
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float64(dst[0].PageReadsPersec),
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)
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ch <- prometheus.MustNewConstMetric(
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c.SwapPagesReadTotal,
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prometheus.GaugeValue,
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float64(dst[0].PagesInputPersec),
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)
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ch <- prometheus.MustNewConstMetric(
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c.SwapPagesWrittenTotal,
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prometheus.GaugeValue,
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float64(dst[0].PagesOutputPersec),
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)
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ch <- prometheus.MustNewConstMetric(
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c.SwapPageOperationsTotal,
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prometheus.GaugeValue,
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float64(dst[0].PagesPersec),
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)
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ch <- prometheus.MustNewConstMetric(
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c.SwapPageWritesTotal,
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prometheus.GaugeValue,
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float64(dst[0].PageWritesPersec),
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)
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ch <- prometheus.MustNewConstMetric(
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c.PoolNonpagedAllocsTotal,
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prometheus.GaugeValue,
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float64(dst[0].PoolNonpagedAllocs),
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)
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ch <- prometheus.MustNewConstMetric(
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c.PoolNonpagedBytes,
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prometheus.GaugeValue,
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float64(dst[0].PoolNonpagedBytes),
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)
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ch <- prometheus.MustNewConstMetric(
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c.PoolPagedAllocsTotal,
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prometheus.GaugeValue,
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float64(dst[0].PoolPagedAllocs),
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)
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ch <- prometheus.MustNewConstMetric(
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c.PoolPagedBytes,
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prometheus.GaugeValue,
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float64(dst[0].PoolPagedBytes),
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)
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ch <- prometheus.MustNewConstMetric(
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c.PoolPagedResidentBytes,
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prometheus.GaugeValue,
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float64(dst[0].PoolPagedResidentBytes),
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)
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ch <- prometheus.MustNewConstMetric(
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c.StandbyCacheCoreBytes,
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prometheus.GaugeValue,
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float64(dst[0].StandbyCacheCoreBytes),
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)
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ch <- prometheus.MustNewConstMetric(
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c.StandbyCacheNormalPriorityBytes,
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prometheus.GaugeValue,
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float64(dst[0].StandbyCacheNormalPriorityBytes),
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)
|
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ch <- prometheus.MustNewConstMetric(
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c.StandbyCacheReserveBytes,
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prometheus.GaugeValue,
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float64(dst[0].StandbyCacheReserveBytes),
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)
|
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ch <- prometheus.MustNewConstMetric(
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c.SystemCacheResidentBytes,
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prometheus.GaugeValue,
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float64(dst[0].SystemCacheResidentBytes),
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)
|
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|
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ch <- prometheus.MustNewConstMetric(
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c.SystemCodeResidentBytes,
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prometheus.GaugeValue,
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float64(dst[0].SystemCodeResidentBytes),
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)
|
|
|
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ch <- prometheus.MustNewConstMetric(
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c.SystemCodeTotalBytes,
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prometheus.GaugeValue,
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float64(dst[0].SystemCodeTotalBytes),
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)
|
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ch <- prometheus.MustNewConstMetric(
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c.SystemDriverResidentBytes,
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prometheus.GaugeValue,
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float64(dst[0].SystemDriverResidentBytes),
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)
|
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ch <- prometheus.MustNewConstMetric(
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c.SystemDriverTotalBytes,
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prometheus.GaugeValue,
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float64(dst[0].SystemDriverTotalBytes),
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)
|
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ch <- prometheus.MustNewConstMetric(
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c.TransitionFaultsTotal,
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prometheus.GaugeValue,
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float64(dst[0].TransitionFaultsPersec),
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)
|
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ch <- prometheus.MustNewConstMetric(
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c.TransitionPagesRepurposedTotal,
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prometheus.GaugeValue,
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float64(dst[0].TransitionPagesRePurposedPersec),
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)
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ch <- prometheus.MustNewConstMetric(
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c.WriteCopiesTotal,
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prometheus.GaugeValue,
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float64(dst[0].WriteCopiesPersec),
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)
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return nil, nil
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}
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