How can I change CPU affinity in Linux?
You can change CPU affinity in Linux using the taskset
command. For example, taskset -c 0,1 <command>
will run the command on CPU cores 0 and 1.
What if I want to change the affinity of a running process?
You can use taskset
with the process ID. For example, taskset -p 0x3 <PID>
will set the affinity of the process with that PID to cores 0 and 1.
Are there any graphical tools for this?
Yes, tools like gparted
or htop
can help you manage CPU affinity graphically, but htop
is more commonly used for this purpose.
Can I set the default CPU affinity for all processes?
Yes, you can set the default CPU affinity by modifying the scheduler settings in /etc/systemd/system.conf
or using cgroups
.
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