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【aDesk】 Lenovo SR650 aDesk vdi, Warning: host CPU Usage frequency reduction Warning

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Byadmin
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Problem Description

Behavior:
Host CPU Usage frequency reduction Warning

Time:
2020-11-20 05:45:36

Object Type:
Host

Target:
192.168.24.6

Description:
The host found that the CPU Usage frequency was reduced. The most recent Time was 2020-11-20, 5:45. Please check the host heat dissipation, room temperature, and BIOS CPU Usage performance Settings options.

Warning Details

You can see that the Alerts is very regular, times Mon 10 min.

531835fb778fb87165.png (180 KB)

846055fb77de88ea18.png (23.21 KB)

Process——

  1. The energy-saving Mode has been Close Auto unlock after BIOS. When the energy-saving Mode Close CPU Usage high-performance Mode turned on Default default.
  2. Contact 400 for investigation. Check the CPU Usage in the background to View if there is any frequency reduction.

    365915fb77dbe2ffaa.png (185.86 KB)
    There is indeed a problem of frequency reduction

Root cause

CPU Usage Bzy_MHz is lower than the standard clock. This is Connected Auto unlock after pstate is turned on. The CPU Usage will dynamically determine the CPU Usage frequency according to the load situation.

solution

  1. If the customer needs to keep Bzy_MHz at the standard clock, pstate can be Close;
  2. Close method: Processors.CPUPstateControl=None, Reset Effective;
    Auto unlock after BIOS, set UEFI Setup – System Settings – Operating Modes, and set CPU Usage-state control to None.

    7715fb77b3d19f4a.png (77.63 KB)
  3. After Change, View background View whether Yes CPU Usage is stable


68805fb77dafee2fd.png (901.04 KB)

Suggestions and Conclusion

  1. CPU Usage frequency reduction may cause instability in the use of VM. Service from Other manufacturers may also have frequency reduction problems Install aDesk vdi platforms. You can directly contact the corresponding manufacturer's 400 support. You don’t need to find a Company. Even if you do, they won’t be able to help you solve the problem because it’s not a Software problem.
  2. Lenovo's SR650 also has a frequency reduction problem Install on a hyper-converged platform, but there Yes no Warning Details on the hyper-converged platform. You need to go to the backend to query. (Hyper-converged platforms can also be modified as above.)

Original Link

https://support.sangfor.com.cn/cases/list?product_id=26&type=1&category_id=10993&isOpen=true