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Tackwin
Journeyman III

IBS is disabled Ryzen 5 3600, Windows, TUF B450

Hello,

  When trying to profile my application on a windows 10 system with a ryzen 5 3600 cpu I am told that ibs is disabled in my BIOS.

  As there is no IBS option on the bios I have contacted my motherboard vendor (ASUS TUF-B450) and they told me that IBS is enabled by default on matisse cpu.

  Should I press my vendor for more information or is there a problem on uProf's side of things ?

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3 Replies
swarup
Staff
Staff

Re: IBS is disabled Ryzen 5 3600, Windows, TUF B450

Hi @Tackwin ,

In the command prompt, please run the below command and let us know the output you get:

C:\> cd C:\Program Files\AMD\AMDuProf\bin

C:\Program Files\AMD\AMDuProf\bin> AMDuProfCLI.exe info --system

This can show if IBS enabled/disabled in the processor.

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Tackwin
Journeyman III

Re: IBS is disabled Ryzen 5 3600, Windows, TUF B450

Hi here is the output of this command.

[OS Info]
OS Details : Win1020H2-64

[CPU Info]
AMD Cpu : Yes
Family : 0x17
Model : 0x71
Stepping : 0x0
Local APIC : Yes
Socket Count : 1
SMT Enabled : Yes
Threads per Core : 2
Threads per CCX : 6
Threads per Package : 12
Total number of Threads : 12

[PERF Features Availability]
Core PMC : No
L3 PMC : No
DF PMC : No
PERF TS : No

[IBS Features Availability]
IBS : No

[RAPL/CEF Features Availability]
RAPL : No
APERF & MPERF : Yes
Read Only APERF & MPERF : Yes
IRPERF : No
HW P-State Control : Yes

[Hypervisor Info]
Hypervisor Enabled : Yes
Hypervisor Supported : Yes
Hypervisor Vendor : Microsoft Hyper-V
Root/Host Partition : Yes

I think it shows that I don't have IBS enabled which would contradict what ASUS is telling me.

PS: the site is bugging a lot for me telling me that there is an error when replying or posting but (sometimes ?) it sends the response/post anyway. So I might reply with duplicate.

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swarup
Staff
Staff

Re: IBS is disabled Ryzen 5 3600, Windows, TUF B450

Hi @Tackwin ,

Looks like Hyper-V is enabled on your system. Please disable Hyper-V on your system, and then try profiling using uProf. Also share the 'info --system' after disabling Hyper-V.

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