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Is it therefore not possible to reserve cpu exclusivly to some applications and nothing else uses these cpu?

danidar
– danidar

2018-07-27 08:49:47 +00:00
Commented Jul 27, 2018 at 8:49
It's possible using cgroups - unix.stackexchange.com/questions/247209/…. But not in the way you imagine.

slm
– slm ♦

2018-07-27 08:54:54 +00:00
Commented Jul 27, 2018 at 8:54
1

I read on xmodulo that the kernel parameter "isolcpus=<CPU_ID>" to the boot loader during boot or GRUB configuration file. Then the Linux scheduler will not schedule any regular process on the reserved CPU core(s), unless specifically requested with taskset. For example, to reserve CPU cores 0 and 1, add "isolcpus=0,1" kernel parameter. Upon boot, then use taskset to safely assign the reserved CPU cores to your program.

danidar
– danidar

2018-07-27 09:58:33 +00:00
Commented Jul 27, 2018 at 9:58

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