os: further improve naming. use original WMI names as help text
This commit is contained in:
Martin Lindhe
parent
7a8add3bd8
commit
92744d71fb
113
collectors/os.go
113
collectors/os.go
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@ -13,88 +13,89 @@ import (
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// A OSCollector is a Prometheus collector for WMI Win32_OperatingSystem metrics
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type OSCollector struct {
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FreePhysicalMemoryBytes *prometheus.Desc
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FreeSpaceInPagingFilesBytes *prometheus.Desc
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FreeVirtualMemoryBytes *prometheus.Desc
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PhysicalMemoryFreeBytes *prometheus.Desc
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PagingFreeBytes *prometheus.Desc
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VirtualMemoryFreeBytes *prometheus.Desc
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ProcessesMax *prometheus.Desc
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ProcessMemoryBytesBytes *prometheus.Desc
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ProcessMemoryMaxBytes *prometheus.Desc
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Processes *prometheus.Desc
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Users *prometheus.Desc
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SizeStoredInPagingFilesBytes *prometheus.Desc
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VirtualMemoryBytesTotal *prometheus.Desc
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VisibleMemoryBytesTotal *prometheus.Desc
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PagingMaxBytes *prometheus.Desc
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VirtualMemoryBytes *prometheus.Desc
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VisibleMemoryBytes *prometheus.Desc
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}
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// NewOSCollector ...
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func NewOSCollector() *OSCollector {
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return &OSCollector{
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FreePhysicalMemoryBytes: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "free_physical_memory_bytes"),
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"Physical memory currently unused and available.",
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PagingMaxBytes: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "paging_max_bytes"),
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"SizeStoredInPagingFiles",
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nil,
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nil,
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),
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FreeSpaceInPagingFilesBytes: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "free_space_in_paging_files_bytes"),
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"Number of bytes that can be mapped into the operating system paging files without causing any other pages to be swapped out.",
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PagingFreeBytes: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "paging_free_bytes"),
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"FreeSpaceInPagingFiles",
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nil,
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nil,
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),
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FreeVirtualMemoryBytes: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "free_virtual_memory_bytes"),
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"Virtual memory currently unused and available.",
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nil,
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nil,
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),
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ProcessesMax: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "processes_max"),
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"Maximum number of process contexts the operating system can support.",
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nil,
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nil,
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),
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ProcessMemoryBytesBytes: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "process_memory_bytes_max"),
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"Maximum bytes of memory that can be allocated to a process.",
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PhysicalMemoryFreeBytes: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "physical_memory_free_bytes"),
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"FreePhysicalMemory",
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nil,
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nil,
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),
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Processes: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "processes"),
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"Number of process contexts currently loaded or running on the operating system.",
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"NumberOfProcesses",
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nil,
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nil,
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),
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ProcessesMax: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "processes_max"),
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"MaxNumberOfProcesses",
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nil,
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nil,
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),
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ProcessMemoryMaxBytes: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "process_memory_max_bytes"),
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"MaxProcessMemorySize",
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nil,
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nil,
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),
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Users: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "users"),
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"Number of user sessions for which the operating system is storing state information currently.",
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"NumberOfUsers",
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nil,
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nil,
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),
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SizeStoredInPagingFilesBytes: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "size_stored_in_paging_files_bytes"),
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"Total number of bytes that can be stored in the operating system paging files.",
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VirtualMemoryBytes: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "virtual_memory_bytes"),
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"TotalVirtualMemorySize",
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nil,
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nil,
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),
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VirtualMemoryBytesTotal: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "virtual_memory_bytes_total"),
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"Total amount of virtual memory.",
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VisibleMemoryBytes: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "visible_memory_bytes"),
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"TotalVisibleMemorySize",
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nil,
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nil,
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),
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VisibleMemoryBytesTotal: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "visible_memory_bytes_total"),
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"Total amount of physical memory available to the operating system.",
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VirtualMemoryFreeBytes: prometheus.NewDesc(
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prometheus.BuildFQName(wmiNamespace, "os", "virtual_memory_free_bytes"),
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"FreeVirtualMemory",
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nil,
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nil,
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),
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@ -114,16 +115,16 @@ func (c *OSCollector) Collect(ch chan<- prometheus.Metric) {
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// The corresponding metric values are sent separately.
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func (c *OSCollector) Describe(ch chan<- *prometheus.Desc) {
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ch <- c.FreePhysicalMemoryBytes
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ch <- c.FreeSpaceInPagingFilesBytes
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ch <- c.FreeVirtualMemoryBytes
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ch <- c.PhysicalMemoryFreeBytes
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ch <- c.PagingFreeBytes
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ch <- c.VirtualMemoryFreeBytes
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ch <- c.ProcessesMax
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ch <- c.ProcessMemoryBytesBytes
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ch <- c.ProcessMemoryMaxBytes
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ch <- c.Processes
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ch <- c.Users
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ch <- c.SizeStoredInPagingFilesBytes
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ch <- c.VirtualMemoryBytesTotal
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ch <- c.VisibleMemoryBytesTotal
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ch <- c.PagingMaxBytes
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ch <- c.VirtualMemoryBytes
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ch <- c.VisibleMemoryBytes
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}
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type Win32_OperatingSystem struct {
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@ -137,8 +138,6 @@ type Win32_OperatingSystem struct {
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SizeStoredInPagingFiles uint64
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TotalVirtualMemorySize uint64
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TotalVisibleMemorySize uint64
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//NumberOfLicensedUsers *uint32 // XXX returns 0 on Win7
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//TotalSwapSpaceSize *uint64 // XXX returns 0 on Win7
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}
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func (c *OSCollector) collect(ch chan<- prometheus.Metric) (*prometheus.Desc, error) {
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@ -149,19 +148,19 @@ func (c *OSCollector) collect(ch chan<- prometheus.Metric) (*prometheus.Desc, er
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}
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ch <- prometheus.MustNewConstMetric(
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c.FreePhysicalMemoryBytes,
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c.PhysicalMemoryFreeBytes,
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prometheus.GaugeValue,
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float64(dst[0].FreePhysicalMemory*1024), // KiB -> bytes
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)
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ch <- prometheus.MustNewConstMetric(
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c.FreeSpaceInPagingFilesBytes,
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c.PagingFreeBytes,
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prometheus.GaugeValue,
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float64(dst[0].FreeSpaceInPagingFiles*1024), // KiB -> bytes
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)
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ch <- prometheus.MustNewConstMetric(
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c.FreeVirtualMemoryBytes,
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c.VirtualMemoryFreeBytes,
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prometheus.GaugeValue,
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float64(dst[0].FreeVirtualMemory*1024), // KiB -> bytes
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)
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@ -173,7 +172,7 @@ func (c *OSCollector) collect(ch chan<- prometheus.Metric) (*prometheus.Desc, er
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)
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ch <- prometheus.MustNewConstMetric(
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c.ProcessMemoryBytesBytes,
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c.ProcessMemoryMaxBytes,
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prometheus.GaugeValue,
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float64(dst[0].MaxProcessMemorySize*1024), // KiB -> bytes
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)
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@ -191,19 +190,19 @@ func (c *OSCollector) collect(ch chan<- prometheus.Metric) (*prometheus.Desc, er
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)
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ch <- prometheus.MustNewConstMetric(
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c.SizeStoredInPagingFilesBytes,
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c.PagingMaxBytes,
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prometheus.GaugeValue,
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float64(dst[0].SizeStoredInPagingFiles*1024), // KiB -> bytes
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)
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ch <- prometheus.MustNewConstMetric(
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c.VirtualMemoryBytesTotal,
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c.VirtualMemoryBytes,
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prometheus.GaugeValue,
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float64(dst[0].TotalVirtualMemorySize*1024), // KiB -> bytes
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)
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ch <- prometheus.MustNewConstMetric(
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c.VisibleMemoryBytesTotal,
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c.VisibleMemoryBytes,
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prometheus.GaugeValue,
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float64(dst[0].TotalVisibleMemorySize*1024), // KiB -> bytes
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)
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@ -1,3 +1,4 @@
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// returns data points from Win32_PerfRawData_PerfDisk_LogicalDisk
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// https://msdn.microsoft.com/en-us/windows/hardware/aa394307(v=vs.71) - Win32_PerfRawData_PerfDisk_LogicalDisk class
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package collectors
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