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Add Hyper-V VM Memory metrics

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Signed-off-by: Andrew Banman <abanman@pnri.org>
This commit is contained in:
Andrew Banman
2022-04-08 09:01:06 -07:00
parent aaf202236d
commit 09ec6e68ad
1 changed files with 181 additions and 0 deletions
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181
collector/hyperv.go
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@@ -111,6 +111,18 @@ type HyperVCollector struct {
VMNetworkDroppedPacketsOutgoing *prometheus.Desc
VMNetworkPacketsReceived *prometheus.Desc
VMNetworkPacketsSent *prometheus.Desc
// Win32_PerfRawData_BalancerStats_HyperVDynamicMemoryVM
VMMemoryAddedMemory *prometheus.Desc
VMMemoryAveragePressure *prometheus.Desc
VMMemoryCurrentPressure *prometheus.Desc
VMMemoryGuestVisiblePhysicalMemory *prometheus.Desc
VMMemoryMaximumPressure *prometheus.Desc
VMMemoryMemoryAddOperations *prometheus.Desc
VMMemoryMemoryRemoveOperations *prometheus.Desc
VMMemoryMinimumPressure *prometheus.Desc
VMMemoryPhysicalMemory *prometheus.Desc
VMMemoryRemovedMemory *prometheus.Desc
}
// NewHyperVCollector ...
@@ -593,6 +605,69 @@ func NewHyperVCollector() (Collector, error) {
[]string{"vm_interface"},
nil,
),
//
VMMemoryAddedMemory: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, buildSubsystemName("vm_memory"), "added"),
"",
[]string{"vm"},
nil,
),
VMMemoryAveragePressure: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, buildSubsystemName("vm_memory"), "pressure_average"),
"This counter represents the average pressure in the VM.",
[]string{"vm"},
nil,
),
VMMemoryCurrentPressure: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, buildSubsystemName("vm_memory"), "pressure_current"),
"This counter represents the current pressure in the VM.",
[]string{"vm"},
nil,
),
VMMemoryGuestVisiblePhysicalMemory: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, buildSubsystemName("vm_memory"), "physical_guest_visible"),
"'This counter represents the amount of memory visible in the VM.'",
[]string{"vm"},
nil,
),
VMMemoryMaximumPressure: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, buildSubsystemName("vm_memory"), "pressure_maximum"),
"This counter represents the maximum pressure band in the VM.",
[]string{"vm"},
nil,
),
VMMemoryMemoryAddOperations: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, buildSubsystemName("vm_memory"), "add_operations"),
"",
[]string{"vm"},
nil,
),
VMMemoryMemoryRemoveOperations: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, buildSubsystemName("vm_memory"), "remove_operations"),
"",
[]string{"vm"},
nil,
),
VMMemoryMinimumPressure: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, buildSubsystemName("vm_memory"), "pressure_minimum"),
"This counter represents the minmum pressure band in the VM.",
[]string{"vm"},
nil,
),
VMMemoryPhysicalMemory: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, buildSubsystemName("vm_memory"), "physical_memory"),
"This counter represents the current amount of memory in the VM.",
[]string{"vm"},
nil,
),
VMMemoryRemovedMemory: prometheus.NewDesc(
prometheus.BuildFQName(Namespace, buildSubsystemName("vm_memory"), "removed"),
"",
[]string{"vm"},
nil,
),
}, nil
}
@@ -649,6 +724,11 @@ func (c *HyperVCollector) Collect(ctx *ScrapeContext, ch chan<- prometheus.Metri
return err
}
if desc, err := c.collectVmMemory(ch); err != nil {
log.Error("failed collecting hyperV virtual memory metrics:", desc, err)
return err
}
return nil
}
@@ -1431,3 +1511,104 @@ func (c *HyperVCollector) collectVmNetwork(ch chan<- prometheus.Metric) (*promet
return nil, nil
}
// Win32_PerfRawData_BalancerStats_HyperVDynamicMemoryVM ...
type Win32_PerfRawData_BalancerStats_HyperVDynamicMemoryVM struct {
Name string
AddedMemory uint64
AveragePressure uint64
CurrentPressure uint64
GuestVisiblePhysicalMemory uint64
MaximumPressure uint64
MemoryAddOperations uint64
MemoryRemoveOperations uint64
MinimumPressure uint64
PhysicalMemory uint64
RemovedMemory uint64
}
func (c *HyperVCollector) collectVmMemory(ch chan<- prometheus.Metric) (*prometheus.Desc, error) {
var dst []Win32_PerfRawData_BalancerStats_HyperVDynamicMemoryVM
q := queryAll(&dst)
if err := wmi.Query(q, &dst); err != nil {
return nil, err
}
for _, obj := range dst {
if strings.Contains(obj.Name, "_Total") {
continue
}
ch <- prometheus.MustNewConstMetric(
c.VMMemoryAddedMemory,
prometheus.CounterValue,
float64(obj.AddedMemory),
obj.Name,
)
ch <- prometheus.MustNewConstMetric(
c.VMMemoryAveragePressure,
prometheus.CounterValue,
float64(obj.AveragePressure),
obj.Name,
)
ch <- prometheus.MustNewConstMetric(
c.VMMemoryCurrentPressure,
prometheus.CounterValue,
float64(obj.CurrentPressure),
obj.Name,
)
ch <- prometheus.MustNewConstMetric(
c.VMMemoryGuestVisiblePhysicalMemory,
prometheus.CounterValue,
float64(obj.GuestVisiblePhysicalMemory),
obj.Name,
)
ch <- prometheus.MustNewConstMetric(
c.VMMemoryMaximumPressure,
prometheus.CounterValue,
float64(obj.MaximumPressure),
obj.Name,
)
ch <- prometheus.MustNewConstMetric(
c.VMMemoryMemoryAddOperations,
prometheus.CounterValue,
float64(obj.MemoryAddOperations),
obj.Name,
)
ch <- prometheus.MustNewConstMetric(
c.VMMemoryMemoryRemoveOperations,
prometheus.CounterValue,
float64(obj.MemoryRemoveOperations),
obj.Name,
)
ch <- prometheus.MustNewConstMetric(
c.VMMemoryMinimumPressure,
prometheus.CounterValue,
float64(obj.MinimumPressure),
obj.Name,
)
ch <- prometheus.MustNewConstMetric(
c.VMMemoryPhysicalMemory,
prometheus.CounterValue,
float64(obj.PhysicalMemory),
obj.Name,
)
ch <- prometheus.MustNewConstMetric(
c.VMMemoryRemovedMemory,
prometheus.CounterValue,
float64(obj.RemovedMemory),
obj.Name,
)
}
return nil, nil
}