They can be onlined or offlined at any time, To offline a core: echo 0 > /sys/de... | Hacker News

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TkTech on Nov 10, 2020 | parent | context | favorite | on: Apple unveils M1, its first system-on-a-chip for p...

They can be onlined or offlined at any time,

To offline a core:

echo 0 > /sys/devices/system/cpu/cpuN/online

To online a core:

echo 1 > /sys/devices/system/cpu/cpuN/online

Where cpuN is 0-4. Keep in mind there's always one core you cannot disable to process interrupts.

dannyw on Nov 11, 2020 | [–]

That sounds awesome. Sounds really fun to hack around. I might buy a Pinebook

mouldysammich on Nov 10, 2020 | [–]

Very cool, thank you.

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