YJyjftsjthsd-h·Oct 31, 2022
Sounds like https://github.com/opsengine/cpulimit
In Ask HN: How to intentionally throttle CPU on a M1 MacBook?opsengine
cpulimit
C2013–2022
opsengine / cpulimit
cpulimit
CPU usage limiter for Linux
5Distinct people
5Mentions
0Explicit recommenders
1.8KGitHub stars
What to know before exploring
What it is
CPU usage limiter for Linux
GitHub
Where it is used
No documented product use has been verified yet.
What people are saying
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This week on Hacker News
Nov 7–Nov 14 UTC · Direct repository links and separately labeled related project stories. Indexed through 11/14/2026, 12:54:37 PM UTC.
No direct repository links were found in the indexed HN discussions over the past seven days. Older discussions are available below.
Mentions over time
HN mentions by year5 dated mentions
Observed mentions: 2013-07-03 12:09:49 UTC to 2022-10-31 14:55:05 UTC.
Counts come from the repository’s dated source evidence. Index cutoff: 2026-11-02 08:16:59 UTC.
View mention counts and date ranges
| Period | Start (UTC) | End (exclusive, UTC) | Mentions | Submissions | Comments |
|---|---|---|---|---|---|
| 2013 | 2013-01-01 00:00:00 UTC | 2014-01-01 00:00:00 UTC | 1 | 0 | 1 |
| 2014 | 2014-01-01 00:00:00 UTC | 2015-01-01 00:00:00 UTC | 1 | 1 | 0 |
| 2015 | 2015-01-01 00:00:00 UTC | 2016-01-01 00:00:00 UTC | 0 | 0 | 0 |
| 2016 | 2016-01-01 00:00:00 UTC | 2017-01-01 00:00:00 UTC | 0 | 0 | 0 |
| 2017 | 2017-01-01 00:00:00 UTC | 2018-01-01 00:00:00 UTC | 0 | 0 | 0 |
| 2018 | 2018-01-01 00:00:00 UTC | 2019-01-01 00:00:00 UTC | 1 | 0 | 1 |
| 2019 | 2019-01-01 00:00:00 UTC | 2020-01-01 00:00:00 UTC | 0 | 0 | 0 |
| 2020 | 2020-01-01 00:00:00 UTC | 2021-01-01 00:00:00 UTC | 0 | 0 | 0 |
| 2021 | 2021-01-01 00:00:00 UTC | 2022-01-01 00:00:00 UTC | 1 | 0 | 1 |
| 2022 | 2022-01-01 00:00:00 UTC | 2023-01-01 00:00:00 UTC | 1 | 0 | 1 |
What Hacker News says
5 sourcesThanks for your elaborate notes! This is helpful information.
When I tried your commands, on Arch via libcgroup-git, `cgcreate -g cpu:cpulimit` only results in `cgcreate: can't create cgroup cpulimit: Cgroup, requested group parameter does not exist`, for some reason. But this is not a support ticket, I have not researched this at all yet. But cgroups only limit some processes anyway, never the entire core(s) - so it seems one could also simply use cpulimit [1] instead which emulates by sending SIGSTOP and SIGCONT.
About cooling_deviceN: While this does limit cpu functionality, this seems to only also set `scaling_max_freq` to an appropriate value, throttling because the fans are disabled. Not more useful than setting the frequency manually I presume.
[1] https://github.com/opsengine/cpulimit
In Test your product on a crappy laptopYou can also use the cpulimit program to do that.
https://github.com/opsengine/cpulimit
In Turbo ButtonI switched from Dropbox to SpiderOak recently, and they're a bit better, but feels so clunky. I'm just about fed up with all of them. I use CrashPlan for backups and they're at least good for CPU usage because they have a preference -- max CPU (%) when you're at the computer, and max CPU when you're away, which really does help.
Those who are using Dropbox may find something like cpulimit[1] useful. This limits the CPU usage of any process by repeatedly sending SIGSTOP and SIGCONT signals to your process. It's on homebrew for OS X. I think there're some other alternatives available too but can't remember off hand. But if the article's accurate, Dropbox has issues even when it's not indexing heavily.
[1] https://github.com/opsengine/cpulimit
In Dropbox will kill your insane MacBook Air 2013 battery