HalFreeHardwareCounters - NtDoc
Native API online documentation, based on the System Informer
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headers
// ntddk.h
NTSTATUS HalFreeHardwareCounters(
_In_ HANDLE CounterSetHandle
);
View the official Windows Driver Kit DDI referenceNo description available.
The HalFreeHardwareCounters routine frees a set of hardware performance counter resources that was acquired in a previous call to HalAllocateHardwareCounters routine.
CounterSetHandle [in]A handle to the allocated counter resources. The caller acquired this handle in a previous call to HalAllocateHardwareCounters.
HalFreeHardwareCounters returns STATUS_SUCCESS if the call was successful. Possible error return values include the following:
| Return code | Description |
|---|---|
| STATUS_INVALID_PARAMETER | Parameter CounterSetHandle is not a valid counter resources handle. |
NTSTATUS HalFreeHardwareCounters(
_In_ HANDLE CounterSetHandle
);
Before calling this function, the client driver is expected to stop and clear the associated counter resources.