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  1. skorman00

    using RDTSC - when is the timestamp register incrimented?

    @cpjust RDMSR uses the value in ecx to determine what to look at. @Salem much obliged for the input. The doc I read made it sound like RDTSC is quite unreliable (at least that's what I got from it).
  2. skorman00

    using RDTSC - when is the timestamp register incrimented?

    rewording of question 2) would it be better to use RDMSR with 10h in the ecx register?
  3. skorman00

    using RDTSC - when is the timestamp register incrimented?

    I'm trying to write some code that will keep track of how many ticks my proc has gone through from a given point in time. This is the most useful documentation I've been able to find on the RDTSC op: http://faydoc.tripod.com/cpu/rdtsc.htm After reading this, I still have some questions 1) if...

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