cat /proc/cmdline
coherent_pool=1M 8250.nr_uarts=0 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 video=HDMI-A-1:1920x1080M@120 video=HDMI-A-2:1920x1080M@60 smsc95xx.macaddr=E4:5F:01:3F:95:CA vc_mem.mem_base=0x3eb00000 vc_mem.mem_size=0x3ff00000  root=PARTUUID=6dcc5a3c-02 rw rootwait console=ttyS0,115200 console=tty3 selinux=0 quiet splash plymouth.ignore-serial-consoles smsc95xx.turbo_mode=N dwc_otg.lpm_enable=0 kgdboc=ttyS0,115200 usbhid.mousepoll=8 audit=0