Software Tuning, Performance Optimization & Platform Monitoring
Discussion regarding monitoring and software tuning methodologies, Performance Monitoring Unit (PMU) of Intel microprocessors, and platform updating.

rdtsc cycle count bclk

daniel02
Beginner
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I'm overclocking my BCLK to 130MHz. How can I determine my CPU frequency and make sure that rdtsc is cycling at 130MHz?

 

reading like this is the correct approach?

 

tsc_hz = __readmsr(0xCE);

return ((tsc_hz >> & 0xff) * 130 * 1E6;

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