[Bug 249889] [cpufreq] does not seem to fully support AMD Ryzen 9 4900H

From: <bugzilla-noreply_at_freebsd.org>
Date: Wed, 06 Apr 2022 12:38:58 UTC

Catalin <ecatalin@gmail.com> changed:

           What    |Removed                     |Added
                 CC|                            |ecatalin@gmail.com

--- Comment #7 from Catalin <ecatalin@gmail.com> ---

I have a Zotac machine with AMD Ryzen 3 3200U.

Max. Boost Clock Up to 3.5GHz
Base Clock 2.6GHz

The CPU should have a turbo boost up to 3.5 Ghz but not going over 2600 using

[2.6.0-RELEASE][root@pfSense.home.arpa]/root: /usr/local/bin/stress-ng
--metrics-brief --cpu 0 --timeout 1h
stress-ng: info:  [11438] setting to a 3600 second (1 hour, 0.00 secs) run per
stress-ng: info:  [11438] dispatching hogs: 4 cpu
^Cstress-ng: info:  [11438] successful run completed in 45.30s
stress-ng: info:  [11438] stressor       bogo ops real time  usr time  sys time
  bogo ops/s     bogo ops/s
stress-ng: info:  [11438]                           (secs)    (secs)    (secs) 
 (real time) (usr+sys time)
stress-ng: info:  [11438] cpu              187426     45.29    179.48      0.00
     4138.10        1044.25

[2.6.0-RELEASE][root@pfSense.home.arpa]/root: sysctl dev.cpu.0.freq
dev.cpu.0.freq: 1400
[2.6.0-RELEASE][root@pfSense.home.arpa]/root: sysctl dev.cpu.0.freq
dev.cpu.0.freq: 2600
[2.6.0-RELEASE][root@pfSense.home.arpa]/root: sysctl dev.cpu.0.freq
dev.cpu.0.freq: 2600
[2.6.0-RELEASE][root@pfSense.home.arpa]/root: sysctl dev.cpu.0.freq
dev.cpu.0.freq: 2600

[2.6.0-RELEASE][root@pfSense.home.arpa]/root: sysctl dev.cpu.0
dev.cpu.0.temperature: 48.0C
dev.cpu.0.cx_method: C1/hlt C2/io
dev.cpu.0.cx_usage_counters: 2805206 0
dev.cpu.0.cx_usage: 100.00% 0.00% last 30372us
dev.cpu.0.cx_lowest: C1
dev.cpu.0.cx_supported: C1/1/1 C2/2/400
dev.cpu.0.freq_levels: 2600/3168 1700/1615 1400/1277
dev.cpu.0.freq: 1700
dev.cpu.0.%parent: acpi0
dev.cpu.0.%pnpinfo: _HID=none _UID=0 _CID=none
dev.cpu.0.%location: handle=\_PR_.P000
dev.cpu.0.%driver: cpu
dev.cpu.0.%desc: ACPI CPU


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