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Date:      Tue, 27 Jan 2026 06:58:47 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 292615] cpufreq changes causes AMD 4750U to run 11x slower
Message-ID:  <bug-292615-227-GWtZV0jc4p@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-292615-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=292615

Martin Cracauer <cracauer@cons.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #267461|0                           |1
        is obsolete|                            |

--- Comment #34 from Martin Cracauer <cracauer@cons.org> ---
Created attachment 267534
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=267534&action=edit
output from latest patch

for val in 0 10 25 37 50 75 100 125 ; do
    for file in `shellsupport -c 0 15` ; do
        sudo sysctl dev.hwpstate_amd.$file.epp=$val
    done
    for file in `shellsupport -c 0 15` ; do
        sudo sysctl debug.hwpstate_amd$file
    done
    #dmesg | tail
done

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