Questions tagged [cpulimit]

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Stop specific processes from heating up my system's CPU

I have a process doing some computation the whole time. It causes my system's CPU to heat up and the fan to spin faster. I want this process to run, but with a low priority. I don't want my system to ...
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1answer
88 views

How to limit CPU usage with systemd-run

I have a buggy program which uses 100% CPU even when it's idle. Since fixing it isn't practical at the moment, I'd like to just limit it to be able to use no more than 10% CPU. However no matter ...
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0answers
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Linux shell wrapper to run program with low system resources?

There's nice and renice to lower priority of a process, cpulimit to lets say 30% maximum, taskset to limit to 1 core, ionice. Each of these tools has a different syntax. Specifically cpulimit seems ...
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1answer
213 views

Can I run BOINC using only a little computing power?

I found that I can help find scientific results using BOINC. As I tried, it used so much cpu or memory that my desktop hanged. Is there a way to tell Ubuntu that run BOINC but use at most, say 20% of ...
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0answers
26 views

Is there a way to make my computers fans turn on instead of the CPU dropping frequency? I'm using Linux Mint 19.3

My computer, for whatever reason, will lower CPU usage when it gets hot instead of turning on its fan. I don't know if it's a driver issue or something else. Thanks! The above is at 80 degrees ...
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1answer
678 views

cpulimit is not actually limiting CPU usage

I'm calling cpulimit from cron: 00 16 * * * /usr/bin/cpulimit --limit 20 /bin/sh /media/storage/sqlbackup/backups.sh When the job kicks off, the CPU spikes and alerts as it always has, with no ...
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0answers
139 views

WSL Ubuntu 18.04 shows wrong Cpu_allowed mask

Ubuntu 18.04 running under WSL detects my CPU wrong: $ cat /proc/self/status | grep Cpus_allowed Cpus_allowed: 00000001 The CPU is an i7-4510U (2 cores/4 threads) so I expected: Cpus_allowed: f ...
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1answer
176 views

What option argument can I give to `cpulimit -l` when I want a process to have unlimit cpu usage?

In cpulimit -l, --limit=N percentage of CPU allowed from 1 up. Usually 1 - 100, but can be higher on multi-core CPUs. (mandatory) What option argument can I give to -l when I want a process ...
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2answers
1k views

Prevent a process from using too much CPU even if available

I would like to avoid a process using too much CPU. In fact, I want to prevent my CPU from heating up since I have some really long CPU demanding tasks (video converting) to run from a Raspberry Pi ...
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3answers
2k views

Is it possible to limit how much CPU power a process can take?

I'm wondering, is there way to tell a process how much processor power it can take? The problem is I'm converting video with Arista (video converter) and I'm annoyed by the fan running like crazy, ...