How to create a cgroup
If you want to monitor a specific process (or group of process), you have to
create a cgroup with
perf_event controller and add the process you want to
monitor to this cgroup.
You can easly do this with the following command :
- To create the cgroup:
cgcreate -g perf_event:new_cgroup_name
new_cgroup_name the name of the cgroup you want to create (this will be the name wich will identify power consumption of you process).
- To add your process to the newly created cgroup:
cgclassify -g perf_event:new_cgroup_name PID
PID, the pid of the process you want to monitor. If you want to monitor a
program composed of many process, replace PID with