QueryPerformanceCounter() kernel mode equivalent

Is there a QueryPerformanceCounter() equivalent function that copies the
CPU's free running 64-bit counter to a memory location? Have used it in DLLs
for years, but not certain if this function is okay in the kernel. Searched
the online references for an hour now... thanks in advance. JB
--
Mr. Fixit needs your help! - John Bond , LLC

KeQueryPerformanceCounter

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"John Bond" <> wrote in message
news304670B-9CFE-47DB-B38D-...
> Is there a QueryPerformanceCounter() equivalent function that copies the
> CPU's free running 64-bit counter to a memory location? Have used it in
> DLLs
> for years, but not certain if this function is okay in the kernel.
> Searched
> the online references for an hour now... thanks in advance. JB
> --
> Mr. Fixit needs your help! - John Bond , LLC