https://www.kernel.org/doc/Documentation/cgroup-v1/cgroups.txt.

GetAllPids returns all pids, that were added to cgroup at path and to all its subcgroups.

GetAllSubsystems returns all the cgroup subsystems supported by the kernel.

GetCgroupMounts returns the mounts for the cgroup subsystems.

GetPids returns all pids, that were added to cgroup at path.

GetThisCgroupDir returns the relative path to the cgroup docker is running in.

ParseCgroupFile parses the given cgroup file, typically from /proc/<pid>/cgroup, into a map of subgroups to cgroup names.

RemovePaths iterates over the provided paths removing them.

WriteCgroupProc writes the specified pid into the cgroup's cgroup.procs file.

CpuUsage denotes the usage of a CPU.