On Mon Oct 5, 2026 at 6:21 PM BST, Stuart Henderson wrote:
>> d. lastly, and kind of off topic, but how can I check if overclocking in
>>    config.txt has actually worked from within OpenBSD?
>
> compare 'md5 -ttt' times or something?
seems like config.txt is not working?
a trial with over_voltage=6 and arm_freq=2000:
MD5 time trial.  Processing 1000000 10000-byte blocks...
Digest = f0843f04c524250749d014a8152920ec
Time   = 96.000000 seconds
Speed  = 104166666.666667 bytes/second

empty config.txt:
MD5 time trial.  Processing 1000000 10000-byte blocks...
Digest = f0843f04c524250749d014a8152920ec
Time   = 96.490000 seconds
Speed  = 103637682.661416 bytes/second

trying empty again:
MD5 time trial.  Processing 1000000 10000-byte blocks...
Digest = f0843f04c524250749d014a8152920ec
Time   = 96.450000 seconds
Speed  = 103680663.556247 bytes/second

the difference is negligible if at all present... what's up? is it a
u-boot thing? surely going from 1.5GHz to 2GHz wouldn't shave off *only*
0.45 seconds?

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