Enabling MPAM
To enable MPAM, you need to modify the kernel startup parameter and mount the resctrl file system.
- Modify the kernel startup parameter.
- Open the grub.cfg file.
vi /boot/efi/EFI/openEuler/grub.cfg
- Press i to enter the insert mode and add arm64.mpam to the kernel startup parameter.

- Press Esc to exit the insert mode. Type :wq! and press Enter to save the file and exit.
- Open the grub.cfg file.
- Restart the physical machine and check whether the /sys/fs/resctrl directory is available.
1 2
reboot ll /sys/fs/resctrl
- Mount the resctrl file system.
1mount -t resctrl resctrl /sys/fs/resctrl/
- Check whether the mounting is successful. If the resctrl directory contains the content shown in the following figure, the mounting is successful.
1ll /sys/fs/resctrl
Parent topic: Installation and Usage