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PsQueryTotalCycleTimeProcess function (wdm.h)

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The PsQueryTotalCycleTimeProcess routine returns the accumulated cycle time for the specified process.

Syntax

ULONG64 PsQueryTotalCycleTimeProcess(
  [in, out] PEPROCESS Process,
  [out]     PULONG64  CycleTimeStamp
);

Parameters

[in, out] Process

A pointer to an EPROCESS structure that serves as the kernel object for the process.

[out] CycleTimeStamp

A pointer to a ULONG64 variable to which the routine writes the current cycle counter value for the process.

Return value

PsQueryTotalCycleTimeProcess returns the accumulated cycle time for the specified process.

Remarks

This routine uses the time stamp counter to get the number of processor clock cycles used by the specified process.

Requirements

Requirement Value
Minimum supported client Available in Windows 8 and later versions of Windows.
Target Platform Universal
Header wdm.h
Library Ntoskrnl.lib
IRQL PASSIVE_LEVEL

See also

EPROCESS