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IVMAccountant::CPUUtilizationHistory property

  • Άρθρο

[Windows Virtual PC is no longer available for use as of Windows 8. Instead, use the Hyper-V WMI provider (V2).]

Retrieves the recent CPU utilization of this virtual machine (as an array of percentage values).

This property is read-only.

Syntax

HRESULT get_CPUUtilizationHistory(
  [out, retval] VARIANT *percentageUtilization
);

Property value

The recent CPU use of this virtual machine. This data is returned as an array of 60 elements that represent the percentage of CPU use at each second over the past minute. Variant type is VT_ARRAY|VT_UI1.

Error codes

Name/value Meaning
S_OK
0
 The operation was successful.
E_POINTER
0x80004003
 The parameter is NULL.
S_FALSE
1
 The virtual machine is not running. All 60 array elements are set to 0.
DISP_E_EXCEPTION
0x80020009
 An unexpected error has occurred.

Requirements

Requirement Value
Minimum supported client
 Windows 7 [desktop apps only]
Minimum supported server
 None supported
End of client support
 Windows 7
Product
 Windows Virtual PC
Header
VPCCOMInterfaces.h
IID
 IID_IVMAccountant is defined as 6376c067-7f57-4d63-b754-06e2e4f51d73

See also

IVMAccountant