Login to device
To check CPU info
root@imx8mq-trux-q01:~# cat /proc/cpuinfo
output:
processor : 0 BogoMIPS : 16.66 Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 cpuid CPU implementer : 0x41 CPU architecture: 8 CPU variant : 0x0 CPU part : 0xd03 CPU revision : 4 processor : 1 BogoMIPS : 16.66 Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 cpuid CPU implementer : 0x41 CPU architecture: 8 CPU variant : 0x0 CPU part : 0xd03 CPU revision : 4 processor : 2 BogoMIPS : 16.66 Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 cpuid CPU implementer : 0x41 CPU architecture: 8 CPU variant : 0x0 CPU part : 0xd03 CPU revision : 4 processor : 3 BogoMIPS : 16.66 Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 cpuid CPU implementer : 0x41 CPU architecture: 8 CPU variant : 0x0 CPU part : 0xd03 CPU revision : 4
CPU cores can be enabled and disabled using the following commands
enable :
root@imx8mq-trux-q01:~# echo 1 > /sys/devices/system/cpu/cpuX/online
disable :
root@imx8mq-trux-q01:~# echo 0 > /sys/devices/system/cpu/cpuX/online
where X is the core number
