RE: cpu not detected(x86)

From: Petr Vandrovec (VANDROVE@vc.cvut.cz)
Date: Tue Aug 07 2001 - 15:24:48 EST


On 7 Aug 01 at 22:09, Dave Jones wrote:
>
> "The counter is incremented on every processor clock cycle,
> even when the processor is halted by the HLT instruction or
> the external STPCLK# pin"

But not if clocks are completely stopped, not through STPCLK, but
just stopped.
 
> "The RDTSC instruction reads the time-stamp counter and is
> _guaranteed_ to return a monotonically increasing unique value
> _whenever_ executed, except for 64-bit wraparound".

This only says that two consecutive RDTSC do not return same value.
                                            Best regards,
                                                    Petr Vandrovec
                                                    vandrove@vc.cvut.cz
                                                    
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