topic rdtsc cycle count bclk in Software Tuning, Performance Optimization & Platform Monitoring

topic rdtsc cycle count bclk in Software Tuning, Performance Optimization & Platform Monitoring https://community.intel.com/t5/Software-Tuning-Performance/rdtsc-cycle-count-bclk/m-p/1529045#M8223 <P class=""><SPAN class="">I'm overclocking my BCLK to 130MHz. How can I determine my CPU frequency and make sure that rdtsc is cycling at 130MHz?</SPAN></P><P class=""> </P><P class=""><SPAN class="">reading like this is the correct approach?</SPAN></P><P class=""> </P><P class=""><SPAN class="">tsc_hz = __readmsr(0xCE);</SPAN></P><P class=""><SPAN class="">return ((tsc_hz >> </SPAN><LI-EMOJI id="lia_smiling-face-with-sunglasses" title=":smiling_face_with_sunglasses:"></LI-EMOJI><SPAN class="">& 0xff) * 130 * 1E6;</SPAN></P> Sat, 30 Sep 2023 01:43:26 GMT daniel02 2023-09-30T01:43:26Z rdtsc cycle count bclk https://community.intel.com/t5/Software-Tuning-Performance/rdtsc-cycle-count-bclk/m-p/1529045#M8223 <P class=""><SPAN class="">I'm overclocking my BCLK to 130MHz. How can I determine my CPU frequency and make sure that rdtsc is cycling at 130MHz?</SPAN></P><P class=""> </P><P class=""><SPAN class="">reading like this is the correct approach?</SPAN></P><P class=""> </P><P class=""><SPAN class="">tsc_hz = __readmsr(0xCE);</SPAN></P><P class=""><SPAN class="">return ((tsc_hz >> </SPAN><LI-EMOJI id="lia_smiling-face-with-sunglasses" title=":smiling_face_with_sunglasses:"></LI-EMOJI><SPAN class="">& 0xff) * 130 * 1E6;</SPAN></P> Sat, 30 Sep 2023 01:43:26 GMT https://community.intel.com/t5/Software-Tuning-Performance/rdtsc-cycle-count-bclk/m-p/1529045#M8223 daniel02 2023-09-30T01:43:26Z