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path: root/pkg/cgroups/memory.go
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* pkg, cgroups: add initial support for cgroup v2Giuseppe Scrivano2019-06-26
| | | | | | | | | | | | | | | | | This is an initial implementation of cgroup v2 support for pkg/cgroups. It currently works with crun, with this patch: https://github.com/giuseppe/crun/pull/49). It adds the pieces for: - set PID limit to 1 - retrieve stats so that "podman stats" work. the only missing part is the support for reading per CPU stats (that is cpuacct.usage_percpu on cgroup v1), so for now it always returns an empty result. Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
* pkg: new package cgroupsGiuseppe Scrivano2019-06-26
provide a package for managing cgroups. This is not supposed to be a complete implementation with all the features supported by cgroups, but it is a minimal implementation designed around what libpod needs and it is currently using. For example, it is currently possible to Apply only the pids limit, as it is used by libpod for stopping containers, any other Apply will just fail. The main goal here is to have a minimal library where we have full control, so we can start playing with cgroup v2. When the need arises, we can add more features. Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>