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    The system gives only the base frequency

    Scheduled Pinned Locked Moved Compute
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    • N Offline
      NikFer
      last edited by

      Re: xcp-ng CPU low performance issue

      Hi all! There are 2*xeon 8360y on Supermicro 12dai-n6.!Снимок экрана 2023-11-12 135117.png Снимок экрана 2023-11-12 140015.png Снимок экрана 2023-11-12 140036.png
      The system gives only the base frequency in both the BIOS and the hypervisor. Tell me how to overclock?

      lawrencesystemsL tjkreidlT 2 Replies Last reply Reply Quote 0
      • lawrencesystemsL Offline
        lawrencesystems Ambassador @NikFer
        last edited by

        @NikFer
        I don't see this as an XCP-NG issue. A hardware forum where someone can help with overclocking would be a better place to post.

        N 1 Reply Last reply Reply Quote 0
        • tjkreidlT Offline
          tjkreidl Ambassador @NikFer
          last edited by

          @NikFer This is very likely a BIOS setting. My experience has been with Dell hardware, so I cannot speak specifically to SuperMicro configurations, but see if this might help or check one of the SuperMicro forums: https://www.supermicro.com/support/faqs/faq.cfm?faq=21555

          K 1 Reply Last reply Reply Quote 0
          • K Offline
            KPS Top contributor @tjkreidl
            last edited by

            Are you talking about "base clock" vs "turbo clock"?

            If yes, you can try:

            xenpm get-cpufreq-para | fgrep turbo

            --> To see, if turbo is possible

            xenpm start 1|grep "Avg freq"

            --> To see the average frequency

            xenpm set-scaling-governor performance

            --> To force Turbo-Mode

            Stress the CPU and check, if the clock is above "base clock"...

            N 5 Replies Last reply Reply Quote 0
            • N Offline
              NikFer @KPS
              last edited by

              @KPS [13:46 xcp-ng cpu]# xenpm get-cpufreq-para | fgrep turbo
              turbo mode : enabled
              turbo mode : enabled
              turbo mode : enabled
              turbo mode : enabled
              turbo mode : enabled
              turbo mode : enabled
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              turbo mode : enabled
              turbo mode : enabled
              [13:46 xcp-ng cpu]# xenpm start 1|grep "Avg freq"
              Avg freq 5180000 KHz
              Avg freq 5217000 KHz
              Avg freq 4477000 KHz
              Avg freq 3330000 KHz
              Avg freq 4477000 KHz
              Avg freq 5143000 KHz
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              Avg freq 5291000 KHz
              Avg freq 5328000 KHz
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              Avg freq 5106000 KHz
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              N 1 Reply Last reply Reply Quote 0
              • N Offline
                NikFer @KPS
                last edited by

                @KPS seems to show that you can make a turbo! But for some reason, in guest operating systems everything is 2.2 GHz

                1 Reply Last reply Reply Quote 0
                • N Offline
                  NikFer @NikFer
                  last edited by

                  @NikFer 2023-11-14_13-58-57.png

                  1 Reply Last reply Reply Quote 0
                  • N Offline
                    NikFer @KPS
                    last edited by

                    @KPS In guest VM with CentOS7:
                    lscpu | grep "MHz"
                    CPU MHz: 2200.217

                    K 1 Reply Last reply Reply Quote 0
                    • N Offline
                      NikFer @KPS
                      last edited by

                      @KPS
                      [14:21 xcp-ng ~]# lscpu | grep "MHz"
                      CPU MHz: 2200.096
                      [14:21 xcp-ng ~]#

                      1 Reply Last reply Reply Quote 0
                      • K Offline
                        KPS Top contributor @NikFer
                        last edited by

                        @NikFer
                        This is common for all virtualization products, I have ever been using.

                        https://communities.vmware.com/t5/VMware-Workstation-Pro/CPU-frequency-setting-in-VM/td-p/1856672
                        https://communities.vmware.com/t5/VMware-Workstation-Pro/Guest-cpu-frequency-shows-base-speed/td-p/492350

                        But: Do you think, the community will get motivated by finding your "I will just post lots of screenshots and uncommented output and you are free to find out, what I want"?

                        N 1 Reply Last reply Reply Quote 0
                        • N Offline
                          NikFer @KPS
                          last edited by

                          @KPS Good day. I'll try to explain in more detail. For the above processors, I set turbo mode in the BIOS and want to get turbo frequency in guest virtual machines. but if I use command xenpm, I can see that there is a turbo frequency. But the hymervisor itself in the xen center does not show the turbo frequency. And the same in guest VMs.

                          1 Reply Last reply Reply Quote 0
                          • N Offline
                            NikFer @lawrencesystems
                            last edited by

                            @lawrencesystems Hello! This question is directly related to the hypervisor.

                            1 Reply Last reply Reply Quote 0
                            • N Offline
                              NikFer @KPS
                              last edited by

                              @KPS And I’m also trying to install the oops utility cpupowerutils, but nothing works - Epel release is not installed. Is it worth installing? Will it help me?

                              1 Reply Last reply Reply Quote 0
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