27rohitb.github.io

Cgroups:

Installing Cgroups on Ubuntu:

sudo apt-get install cgroup-bin cgroup-lite cgroup-tools cgroupfs-mount libcgroup1

Configuring Cgroups

1. Get the username

   whoami
   

2. Create temporary cgroup with permission for this user:

   sudo cgcreate -t rohit -a rohit -g memory:test1
   sudo cgreate -t <username> -a <username> -g <controlP_param>:<cgroup_name>
   

3. Set limits on for given control param:

   cgset -r memory.limit_in_bytes=90G test1
   cgest -r <control_param>=<value> <cgroup_name>
   

4. Execute the given file in this cgroup:

   cgexec -g memory:test1 python3 multigate_sim.py
   cgexec -g <control_param>:<cgroup_name> <whatever you wanna run>
   

Links:

• https://www.carnaghan.com/knowledge-base/how-to-find-your-uiduserid-and-gidgroupid-in-linux-via-the-command-line/
• https://doc.callmematthi.eu/cgroups.html
• https://www.cloudsigma.com/control-groups/
• https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/resource_management_guide/starting_a_process
• https://wiki.archlinux.org/index.php/cgroups
• https://askubuntu.com/questions/651741/cgroups-error-cgroup-change-of-group-failed