On 05/18/2014 08:10 PM, Graeme Geldenhuys wrote:
{$IFDEF Windows}
begin
QueryPerformanceCounter(Result);
Did you check that this is a low overhead function ?
{$ELSE}
do_syscall(syscall_nr_clock_gettime,TSysParam(CLOCK_MONOTONIC),TSysParam(@ts))
It seems that a syscall is not necessary with some / many environments.
vDSO seems to provide a user-land implementation in (many) current
Kernel versions.
Maybe directly accessing the appropriate CPU registers is possible /
viable in some architectures
-Michael
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