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memory: expose virtual totals / avail values on windows #1588

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memory: expose virtual totals / avail values on windows #1588

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5 changes: 5 additions & 0 deletions mem/mem.go
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Expand Up @@ -80,6 +80,11 @@ type VirtualMemoryStat struct {
HugePagesSurp uint64 `json:"hugePagesSurp"`
HugePageSize uint64 `json:"hugePageSize"`
AnonHugePages uint64 `json:"anonHugePages"`

// Windows specific numbers
// https://learn.microsoft.com/en-us/windows/win32/api/sysinfoapi/ns-sysinfoapi-memorystatusex
VirtualTotal uint64 `json:"virtualTotal"`
VirtualAvail uint64 `json:"virtualAvail"`
}

type SwapMemoryStat struct {
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10 changes: 6 additions & 4 deletions mem/mem_windows.go
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Expand Up @@ -45,10 +45,12 @@ func VirtualMemoryWithContext(ctx context.Context) (*VirtualMemoryStat, error) {
}

ret := &VirtualMemoryStat{
Total: memInfo.ullTotalPhys,
Available: memInfo.ullAvailPhys,
Free: memInfo.ullAvailPhys,
UsedPercent: float64(memInfo.dwMemoryLoad),
Total: memInfo.ullTotalPhys,
Available: memInfo.ullAvailPhys,
Free: memInfo.ullAvailPhys,
UsedPercent: float64(memInfo.dwMemoryLoad),
VirtualTotal: memInfo.ullTotalVirtual,
VirtualAvail: memInfo.ullAvailVirtual,
}

ret.Used = ret.Total - ret.Available
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