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os: expose MaxNumberOfProcesses, MaxProcessMemorySize

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This commit is contained in:
Martin Lindhe 2016-08-26 10:23:41 +02:00
parent 03a1f294ab
commit 3c5adcc5fc
1 changed files with 36 additions and 1 deletions
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37
collectors/os.go
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@ -1,5 +1,6 @@
// returns data points from Win32_OperatingSystem
// https://msdn.microsoft.com/en-us/library/aa394239(v=vs.85).aspx
// https://msdn.microsoft.com/en-us/library/aa394239(v=vs.85).aspx - Win32_OperatingSystem class
// https://msdn.microsoft.com/en-us/library/aa387937(v=vs.85).aspx - CIM_OperatingSystem class
package collectors
@ -15,6 +16,8 @@ type OSCollector struct {
FreePhysicalMemory *prometheus.Desc
FreeSpaceInPagingFiles *prometheus.Desc
FreeVirtualMemory *prometheus.Desc
MaxNumberOfProcesses *prometheus.Desc
MaxProcessMemorySize *prometheus.Desc
NumberOfProcesses *prometheus.Desc
NumberOfUsers *prometheus.Desc
SizeStoredInPagingFiles *prometheus.Desc
@ -47,6 +50,20 @@ func NewOSCollector() *OSCollector {
nil,
),
MaxNumberOfProcesses: prometheus.NewDesc(
prometheus.BuildFQName(wmiNamespace, "os", "max_number_of_processes"),
"Maximum number of process contexts the operating system can support.",
nil,
nil,
),
MaxProcessMemorySize: prometheus.NewDesc(
prometheus.BuildFQName(wmiNamespace, "os", "max_process_memory_size"),
"Maximum number, in kilobytes, of memory that can be allocated to a process.",
nil,
nil,
),
NumberOfProcesses: prometheus.NewDesc(
prometheus.BuildFQName(wmiNamespace, "os", "number_of_processes"),
"Number of process contexts currently loaded or running on the operating system.",
@ -100,6 +117,8 @@ func (c *OSCollector) Describe(ch chan<- *prometheus.Desc) {
ch <- c.FreePhysicalMemory
ch <- c.FreeSpaceInPagingFiles
ch <- c.FreeVirtualMemory
ch <- c.MaxNumberOfProcesses
ch <- c.MaxProcessMemorySize
ch <- c.NumberOfProcesses
ch <- c.NumberOfUsers
ch <- c.SizeStoredInPagingFiles
@ -111,11 +130,15 @@ type Win32_OperatingSystem struct {
FreePhysicalMemory uint64
FreeSpaceInPagingFiles uint64
FreeVirtualMemory uint64
MaxNumberOfProcesses uint32
MaxProcessMemorySize uint64
NumberOfProcesses uint32
NumberOfUsers uint32
SizeStoredInPagingFiles uint64
TotalVirtualMemorySize uint64
TotalVisibleMemorySize uint64
//NumberOfLicensedUsers *uint32 // XXX returns 0 on Win7
//TotalSwapSpaceSize *uint64 // XXX returns 0 on Win7
}
func (c *OSCollector) collect(ch chan<- prometheus.Metric) (*prometheus.Desc, error) {
@ -143,6 +166,18 @@ func (c *OSCollector) collect(ch chan<- prometheus.Metric) (*prometheus.Desc, er
float64(dst[0].FreeVirtualMemory),
)
ch <- prometheus.MustNewConstMetric(
c.MaxNumberOfProcesses,
prometheus.GaugeValue,
float64(dst[0].MaxNumberOfProcesses),
)
ch <- prometheus.MustNewConstMetric(
c.MaxProcessMemorySize,
prometheus.GaugeValue,
float64(dst[0].MaxProcessMemorySize),
)
ch <- prometheus.MustNewConstMetric(
c.NumberOfProcesses,
prometheus.GaugeValue,