System.Linux.Process.CGroup.VFS

This module interfaces with the linux cgroup virtual filesystem to fetch various basic data. Note that this is an experimental iteration of the API, and subject to change.

Types

data CGroup

Contains a reference to the system cgroup. Typically this will be a system path in '/sys/fs/cgroups'

Constructors

CheckedCGroup FilePath

SystemCGroup FilePath

Instances

Eq CGroup

Show CGroup

CGroups

allCGroups :: Bool -> IO [CGroup]

Produces a list of cgroups active on the system. Assumes '/proc/mounts' contains mounts on system.

Tasks (Processes)

listTasks :: CGroup -> IO [ProcessID]

List all PIDs associated with a cgroup. If the cgroup does not exist, an empty list is produced.

addTask :: CGroup -> ProcessID -> IO ()

Adds a PID to a cgroup. If the PID or cgroup does not exist, no action is taken.