This is one of the setup grub settings:
[root@aryabhata-207|ccdublk_b_ms13.1.0.3|~]# cat /proc/cmdline
BOOT_IMAGE=(hd5,gpt2)/vmlinuz-4.18.0-372.32.1.rt7.189.el8_6.x86_64 ro crashkernel=auto resume=UUID=561808da-0d75-4e70-8e26-5efe13c45aa3 rhgb quiet
processor.max_cstate=1 intel_idle.max_cstate=0 intel_pstate=disable intel_iommu=on iommu=pt usbcore.autosuspend=-1 selinux=0 enforcing=0 nmi_watchdog=0
crashkernel=1G softlockup_panic=0 mce=off hugepagesz=1G hugepages=50 hugepagesz=2M hugepages=0 default_hugepagesz=1G kthread_cpus=0-1,32-33 irqaffinity=0-1,32-33
systemd.cpu_affinity=0,1,32,33 nohz=on rcu_nocb_poll rcupdate.rcu_normal_after_boot=1 rcutree.kthread_prio=-17 tsc=reliable skew_tick=1
isolcpus=managed_irq,domain,2-31,34-63 nohz_full=2-31,34-63 rcu_nocbs=2-31,34-63 nosoftlockup efi=runtime root=/dev/nvme0n1p4